From 02b61f38d3574900fb4cc4c450b17c75956a6a04 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:49 +0100 Subject: hw/virtio: incorporate backend features in features MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There are some extra bits used over a vhost-user connection which are hidden from the device itself. We need to set them here to ensure we enable things like the protocol extensions. Currently net/vhost-user.c has it's own inscrutable way of persisting this data but it really should live in the core vhost_user code. Signed-off-by: Alex Bennée Message-Id: <20220726192150.2435175-7-alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-2-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- hw/virtio/vhost-user.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 70748e61e0..0b7e41ffe8 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -1460,7 +1460,14 @@ static int vhost_user_set_features(struct vhost_dev *dev, */ bool log_enabled = features & (0x1ULL << VHOST_F_LOG_ALL); - return vhost_user_set_u64(dev, VHOST_USER_SET_FEATURES, features, + /* + * We need to include any extra backend only feature bits that + * might be needed by our device. Currently this includes the + * VHOST_USER_F_PROTOCOL_FEATURES bit for enabling protocol + * features. + */ + return vhost_user_set_u64(dev, VHOST_USER_SET_FEATURES, + features | dev->backend_features, log_enabled); } -- cgit v1.2.3 From ea5d6ea7788c83216547fe72874033d4bf693182 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:53 +0100 Subject: include/hw/virtio: more comment for VIRTIO_F_BAD_FEATURE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When debugging a new vhost user you may be surprised to see VHOST_USER_F_PROTOCOL getting squashed in the maze of backend_features, acked_features and guest_features. Expand the description here to help the next poor soul trying to work through this. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-6-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/virtio/virtio.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index db1c0ddf6b..9bb2485415 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -24,7 +24,12 @@ #include "qom/object.h" #include "hw/virtio/vhost.h" -/* A guest should never accept this. It implies negotiation is broken. */ +/* + * A guest should never accept this. It implies negotiation is broken + * between the driver frontend and the device. This bit is re-used for + * vhost-user to advertise VHOST_USER_F_PROTOCOL_FEATURES between QEMU + * and a vhost-user backend. + */ #define VIRTIO_F_BAD_FEATURE 30 #define VIRTIO_LEGACY_FEATURES ((0x1ULL << VIRTIO_F_BAD_FEATURE) | \ -- cgit v1.2.3 From c7066f2d30d6d9c7f83cf741afb2f489e0cdd16d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:54 +0100 Subject: include/hw: document vhost_dev feature life-cycle MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Try and explicitly document the various state of feature bits as related to the vhost_dev structure. Importantly the backend_features can advertise things like VHOST_USER_F_PROTOCOL_FEATURES which is never exposed to the driver and is only present in the vhost-user feature negotiation. Signed-off-by: Alex Bennée Acked-by: Jason Wang Message-Id: <20220802095010.3330793-7-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- include/hw/virtio/vhost.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index a346f23d13..586c5457e2 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -86,8 +86,11 @@ struct vhost_dev { /* if non-zero, minimum required value for max_queues */ int num_queues; uint64_t features; + /** @acked_features: final set of negotiated features */ uint64_t acked_features; + /** @backend_features: backend specific feature bits */ uint64_t backend_features; + /** @protocol_features: final negotiated protocol features */ uint64_t protocol_features; uint64_t max_queues; uint64_t backend_cap; -- cgit v1.2.3 From c97c76b3e75496e8d63ca6b754727446c4e74768 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:55 +0100 Subject: hw/virtio: fix some coding style issues MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Alex Bennée Acked-by: Jason Wang Message-Id: <20220802095010.3330793-8-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- hw/virtio/vhost-user.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 0b7e41ffe8..03415b6c95 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -200,7 +200,7 @@ typedef struct { VhostUserRequest request; #define VHOST_USER_VERSION_MASK (0x3) -#define VHOST_USER_REPLY_MASK (0x1<<2) +#define VHOST_USER_REPLY_MASK (0x1 << 2) #define VHOST_USER_NEED_REPLY_MASK (0x1 << 3) uint32_t flags; uint32_t size; /* the following payload size */ @@ -208,7 +208,7 @@ typedef struct { typedef union { #define VHOST_USER_VRING_IDX_MASK (0xff) -#define VHOST_USER_VRING_NOFD_MASK (0x1<<8) +#define VHOST_USER_VRING_NOFD_MASK (0x1 << 8) uint64_t u64; struct vhost_vring_state state; struct vhost_vring_addr addr; @@ -248,7 +248,8 @@ struct vhost_user { size_t region_rb_len; /* RAMBlock associated with a given region */ RAMBlock **region_rb; - /* The offset from the start of the RAMBlock to the start of the + /* + * The offset from the start of the RAMBlock to the start of the * vhost region. */ ram_addr_t *region_rb_offset; -- cgit v1.2.3 From 8d11c10d0699d9ee9745b4b5bc138e573d852c0f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:56 +0100 Subject: hw/virtio: log potentially buggy guest drivers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If the guest driver attempts to use the UNUSED(30) bit it is potentially buggy as 6.3 Legacy Interface: Reserved Feature Bits states it "SHOULD NOT be negotiated". For now just log this guest error. Signed-off-by: Alex Bennée Acked-by: Jason Wang Message-Id: <20220802095010.3330793-9-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 5d607aeaa0..97a6307c0f 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2980,6 +2980,13 @@ int virtio_set_features(VirtIODevice *vdev, uint64_t val) if (vdev->status & VIRTIO_CONFIG_S_FEATURES_OK) { return -EINVAL; } + + if (val & (1ull << VIRTIO_F_BAD_FEATURE)) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: guest driver for %s has enabled UNUSED(30) feature bit!\n", + __func__, vdev->name); + } + ret = virtio_set_features_nocheck(vdev, val); if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) { /* VIRTIO_RING_F_EVENT_IDX changes the size of the caches. */ -- cgit v1.2.3 From a27612311988aff8f29a68ed5eaecde3bf6cdf99 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:57 +0100 Subject: hw/virtio: add some vhost-user trace events MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These are useful for tracing the lifetime of vhost-user connections. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-10-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- hw/virtio/trace-events | 4 ++++ hw/virtio/vhost.c | 6 ++++++ 2 files changed, 10 insertions(+) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 20af2e7ebd..887ca7afa8 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -8,6 +8,10 @@ vhost_region_add_section_aligned(const char *name, uint64_t gpa, uint64_t size, vhost_section(const char *name) "%s" vhost_reject_section(const char *name, int d) "%s:%d" vhost_iotlb_miss(void *dev, int step) "%p step %d" +vhost_dev_cleanup(void *dev) "%p" +vhost_dev_start(void *dev, const char *name) "%p:%s" +vhost_dev_stop(void *dev, const char *name) "%p:%s" + # vhost-user.c vhost_user_postcopy_end_entry(void) "" diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index f758f177bb..5185c15295 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1477,6 +1477,8 @@ void vhost_dev_cleanup(struct vhost_dev *hdev) { int i; + trace_vhost_dev_cleanup(hdev); + for (i = 0; i < hdev->nvqs; ++i) { vhost_virtqueue_cleanup(hdev->vqs + i); } @@ -1783,6 +1785,8 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev) /* should only be called after backend is connected */ assert(hdev->vhost_ops); + trace_vhost_dev_start(hdev, vdev->name); + vdev->vhost_started = true; hdev->started = true; hdev->vdev = vdev; @@ -1869,6 +1873,8 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev) /* should only be called after backend is connected */ assert(hdev->vhost_ops); + trace_vhost_dev_stop(hdev, vdev->name); + if (hdev->vhost_ops->vhost_dev_start) { hdev->vhost_ops->vhost_dev_start(hdev, false); } -- cgit v1.2.3 From 9f6bcfd99f46377888059d8539befec9505f57fb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:58 +0100 Subject: hw/virtio: move vm_running check to virtio_device_started MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit All the boilerplate virtio code does the same thing (or should at least) of checking to see if the VM is running before attempting to start VirtIO. Push the logic up to the common function to avoid getting a copy and paste wrong. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-11-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user-fs.c | 6 +----- hw/virtio/vhost-user-i2c.c | 6 +----- hw/virtio/vhost-user-rng.c | 6 +----- hw/virtio/vhost-user-vsock.c | 6 +----- hw/virtio/vhost-vsock.c | 6 +----- include/hw/virtio/virtio.h | 5 +++++ 6 files changed, 10 insertions(+), 25 deletions(-) diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c index e513e4fdda..d2bebba785 100644 --- a/hw/virtio/vhost-user-fs.c +++ b/hw/virtio/vhost-user-fs.c @@ -122,11 +122,7 @@ static void vuf_stop(VirtIODevice *vdev) static void vuf_set_status(VirtIODevice *vdev, uint8_t status) { VHostUserFS *fs = VHOST_USER_FS(vdev); - bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK; - - if (!vdev->vm_running) { - should_start = false; - } + bool should_start = virtio_device_started(vdev, status); if (fs->vhost_dev.started == should_start) { return; diff --git a/hw/virtio/vhost-user-i2c.c b/hw/virtio/vhost-user-i2c.c index 6020eee093..b930cf6d5e 100644 --- a/hw/virtio/vhost-user-i2c.c +++ b/hw/virtio/vhost-user-i2c.c @@ -93,11 +93,7 @@ static void vu_i2c_stop(VirtIODevice *vdev) static void vu_i2c_set_status(VirtIODevice *vdev, uint8_t status) { VHostUserI2C *i2c = VHOST_USER_I2C(vdev); - bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK; - - if (!vdev->vm_running) { - should_start = false; - } + bool should_start = virtio_device_started(vdev, status); if (i2c->vhost_dev.started == should_start) { return; diff --git a/hw/virtio/vhost-user-rng.c b/hw/virtio/vhost-user-rng.c index 3a7bf8e32d..a9c1c4bc79 100644 --- a/hw/virtio/vhost-user-rng.c +++ b/hw/virtio/vhost-user-rng.c @@ -90,11 +90,7 @@ static void vu_rng_stop(VirtIODevice *vdev) static void vu_rng_set_status(VirtIODevice *vdev, uint8_t status) { VHostUserRNG *rng = VHOST_USER_RNG(vdev); - bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK; - - if (!vdev->vm_running) { - should_start = false; - } + bool should_start = virtio_device_started(vdev, status); if (rng->vhost_dev.started == should_start) { return; diff --git a/hw/virtio/vhost-user-vsock.c b/hw/virtio/vhost-user-vsock.c index 0f8ff99f85..22c1616ebd 100644 --- a/hw/virtio/vhost-user-vsock.c +++ b/hw/virtio/vhost-user-vsock.c @@ -55,11 +55,7 @@ const VhostDevConfigOps vsock_ops = { static void vuv_set_status(VirtIODevice *vdev, uint8_t status) { VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev); - bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK; - - if (!vdev->vm_running) { - should_start = false; - } + bool should_start = virtio_device_started(vdev, status); if (vvc->vhost_dev.started == should_start) { return; diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c index 0338de892f..8031c164a5 100644 --- a/hw/virtio/vhost-vsock.c +++ b/hw/virtio/vhost-vsock.c @@ -70,13 +70,9 @@ static int vhost_vsock_set_running(VirtIODevice *vdev, int start) static void vhost_vsock_set_status(VirtIODevice *vdev, uint8_t status) { VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev); - bool should_start = status & VIRTIO_CONFIG_S_DRIVER_OK; + bool should_start = virtio_device_started(vdev, status); int ret; - if (!vdev->vm_running) { - should_start = false; - } - if (vvc->vhost_dev.started == should_start) { return; } diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 9bb2485415..74e7ad5a92 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -100,6 +100,7 @@ struct VirtIODevice VirtQueue *vq; MemoryListener listener; uint16_t device_id; + /* @vm_running: current VM running state via virtio_vmstate_change() */ bool vm_running; bool broken; /* device in invalid state, needs reset */ bool use_disabled_flag; /* allow use of 'disable' flag when needed */ @@ -376,6 +377,10 @@ static inline bool virtio_device_started(VirtIODevice *vdev, uint8_t status) return vdev->started; } + if (!vdev->vm_running) { + return false; + } + return status & VIRTIO_CONFIG_S_DRIVER_OK; } -- cgit v1.2.3 From b8f3e6a18de6ad5cb668c5430b4933f1e40783cf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:49:59 +0100 Subject: hw/virtio: move vhd->started check into helper and add FIXME MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The `started` field is manipulated internally within the vhost code except for one place, vhost-user-blk via f5b22d06fb (vhost: recheck dev state in the vhost_migration_log routine). Mark that as a FIXME because it introduces a potential race. I think the referenced fix should be tracking its state locally. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-12-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Raphael Norwitz --- hw/block/vhost-user-blk.c | 10 ++++++++-- hw/scsi/vhost-scsi.c | 4 ++-- hw/scsi/vhost-user-scsi.c | 2 +- hw/virtio/vhost-user-fs.c | 3 ++- hw/virtio/vhost-user-i2c.c | 4 ++-- hw/virtio/vhost-user-rng.c | 4 ++-- hw/virtio/vhost-user-vsock.c | 2 +- hw/virtio/vhost-vsock-common.c | 3 ++- hw/virtio/vhost-vsock.c | 2 +- include/hw/virtio/vhost.h | 12 ++++++++++++ 10 files changed, 33 insertions(+), 13 deletions(-) diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 9117222456..2bba42478d 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -229,7 +229,7 @@ static void vhost_user_blk_set_status(VirtIODevice *vdev, uint8_t status) return; } - if (s->dev.started == should_start) { + if (vhost_dev_is_started(&s->dev) == should_start) { return; } @@ -286,7 +286,7 @@ static void vhost_user_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq) return; } - if (s->dev.started) { + if (vhost_dev_is_started(&s->dev)) { return; } @@ -415,6 +415,12 @@ static void vhost_user_blk_event(void *opaque, QEMUChrEvent event) * the vhost migration code. If disconnect was caught there is an * option for the general vhost code to get the dev state without * knowing its type (in this case vhost-user). + * + * FIXME: this is sketchy to be reaching into vhost_dev + * now because we are forcing something that implies we + * have executed vhost_dev_stop() but that won't happen + * until vhost_user_blk_stop() gets called from the bh. + * Really this state check should be tracked locally. */ s->dev.started = false; } diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c index 3059068175..bdf337a7a2 100644 --- a/hw/scsi/vhost-scsi.c +++ b/hw/scsi/vhost-scsi.c @@ -120,7 +120,7 @@ static void vhost_scsi_set_status(VirtIODevice *vdev, uint8_t val) start = false; } - if (vsc->dev.started == start) { + if (vhost_dev_is_started(&vsc->dev) == start) { return; } @@ -147,7 +147,7 @@ static int vhost_scsi_pre_save(void *opaque) /* At this point, backend must be stopped, otherwise * it might keep writing to memory. */ - assert(!vsc->dev.started); + assert(!vhost_dev_is_started(&vsc->dev)); return 0; } diff --git a/hw/scsi/vhost-user-scsi.c b/hw/scsi/vhost-user-scsi.c index 1b2f7eed98..bc37317d55 100644 --- a/hw/scsi/vhost-user-scsi.c +++ b/hw/scsi/vhost-user-scsi.c @@ -49,7 +49,7 @@ static void vhost_user_scsi_set_status(VirtIODevice *vdev, uint8_t status) VHostSCSICommon *vsc = VHOST_SCSI_COMMON(s); bool start = (status & VIRTIO_CONFIG_S_DRIVER_OK) && vdev->vm_running; - if (vsc->dev.started == start) { + if (vhost_dev_is_started(&vsc->dev) == start) { return; } diff --git a/hw/virtio/vhost-user-fs.c b/hw/virtio/vhost-user-fs.c index d2bebba785..ad0f91c607 100644 --- a/hw/virtio/vhost-user-fs.c +++ b/hw/virtio/vhost-user-fs.c @@ -20,6 +20,7 @@ #include "hw/virtio/virtio-bus.h" #include "hw/virtio/virtio-access.h" #include "qemu/error-report.h" +#include "hw/virtio/vhost.h" #include "hw/virtio/vhost-user-fs.h" #include "monitor/monitor.h" #include "sysemu/sysemu.h" @@ -124,7 +125,7 @@ static void vuf_set_status(VirtIODevice *vdev, uint8_t status) VHostUserFS *fs = VHOST_USER_FS(vdev); bool should_start = virtio_device_started(vdev, status); - if (fs->vhost_dev.started == should_start) { + if (vhost_dev_is_started(&fs->vhost_dev) == should_start) { return; } diff --git a/hw/virtio/vhost-user-i2c.c b/hw/virtio/vhost-user-i2c.c index b930cf6d5e..bc58b6c0d1 100644 --- a/hw/virtio/vhost-user-i2c.c +++ b/hw/virtio/vhost-user-i2c.c @@ -95,7 +95,7 @@ static void vu_i2c_set_status(VirtIODevice *vdev, uint8_t status) VHostUserI2C *i2c = VHOST_USER_I2C(vdev); bool should_start = virtio_device_started(vdev, status); - if (i2c->vhost_dev.started == should_start) { + if (vhost_dev_is_started(&i2c->vhost_dev) == should_start) { return; } @@ -174,7 +174,7 @@ static void vu_i2c_disconnect(DeviceState *dev) } i2c->connected = false; - if (i2c->vhost_dev.started) { + if (vhost_dev_is_started(&i2c->vhost_dev)) { vu_i2c_stop(vdev); } } diff --git a/hw/virtio/vhost-user-rng.c b/hw/virtio/vhost-user-rng.c index a9c1c4bc79..bc1f36c5ac 100644 --- a/hw/virtio/vhost-user-rng.c +++ b/hw/virtio/vhost-user-rng.c @@ -92,7 +92,7 @@ static void vu_rng_set_status(VirtIODevice *vdev, uint8_t status) VHostUserRNG *rng = VHOST_USER_RNG(vdev); bool should_start = virtio_device_started(vdev, status); - if (rng->vhost_dev.started == should_start) { + if (vhost_dev_is_started(&rng->vhost_dev) == should_start) { return; } @@ -160,7 +160,7 @@ static void vu_rng_disconnect(DeviceState *dev) rng->connected = false; - if (rng->vhost_dev.started) { + if (vhost_dev_is_started(&rng->vhost_dev)) { vu_rng_stop(vdev); } } diff --git a/hw/virtio/vhost-user-vsock.c b/hw/virtio/vhost-user-vsock.c index 22c1616ebd..7b67e29d83 100644 --- a/hw/virtio/vhost-user-vsock.c +++ b/hw/virtio/vhost-user-vsock.c @@ -57,7 +57,7 @@ static void vuv_set_status(VirtIODevice *vdev, uint8_t status) VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev); bool should_start = virtio_device_started(vdev, status); - if (vvc->vhost_dev.started == should_start) { + if (vhost_dev_is_started(&vvc->vhost_dev) == should_start) { return; } diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c index 7394818e00..29b9ab4f72 100644 --- a/hw/virtio/vhost-vsock-common.c +++ b/hw/virtio/vhost-vsock-common.c @@ -14,6 +14,7 @@ #include "hw/virtio/virtio-access.h" #include "qemu/error-report.h" #include "hw/qdev-properties.h" +#include "hw/virtio/vhost.h" #include "hw/virtio/vhost-vsock.h" #include "qemu/iov.h" #include "monitor/monitor.h" @@ -199,7 +200,7 @@ int vhost_vsock_common_pre_save(void *opaque) * At this point, backend must be stopped, otherwise * it might keep writing to memory. */ - assert(!vvc->vhost_dev.started); + assert(!vhost_dev_is_started(&vvc->vhost_dev)); return 0; } diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c index 8031c164a5..7dc3c73931 100644 --- a/hw/virtio/vhost-vsock.c +++ b/hw/virtio/vhost-vsock.c @@ -73,7 +73,7 @@ static void vhost_vsock_set_status(VirtIODevice *vdev, uint8_t status) bool should_start = virtio_device_started(vdev, status); int ret; - if (vvc->vhost_dev.started == should_start) { + if (vhost_dev_is_started(&vvc->vhost_dev) == should_start) { return; } diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 586c5457e2..61b957e927 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -94,6 +94,7 @@ struct vhost_dev { uint64_t protocol_features; uint64_t max_queues; uint64_t backend_cap; + /* @started: is the vhost device started? */ bool started; bool log_enabled; uint64_t log_size; @@ -165,6 +166,17 @@ int vhost_dev_enable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev); */ void vhost_dev_disable_notifiers(struct vhost_dev *hdev, VirtIODevice *vdev); +/** + * vhost_dev_is_started() - report status of vhost device + * @hdev: common vhost_dev structure + * + * Return the started status of the vhost device + */ +static inline bool vhost_dev_is_started(struct vhost_dev *hdev) +{ + return hdev->started; +} + /** * vhost_dev_start() - start the vhost device * @hdev: common vhost_dev structure -- cgit v1.2.3 From 27ba7b027f0f06479091bcfbcd308a6b272563a4 Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Tue, 2 Aug 2022 10:50:00 +0100 Subject: hw/virtio: add boilerplate for vhost-user-gpio device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This creates the QEMU side of the vhost-user-gpio device which connects to the remote daemon. It is based of vhost-user-i2c code. Signed-off-by: Viresh Kumar Reviewed-by: Alex Bennée Message-Id: <5390324a748194a21bc99b1538e19761a8c64092.1641987128.git.viresh.kumar@linaro.org> [AJB: fixes for qtest, tweaks to feature bits] Signed-off-by: Alex Bennée Cc: Vincent Whitchurch Message-Id: <20220802095010.3330793-13-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- MAINTAINERS | 7 + hw/virtio/Kconfig | 5 + hw/virtio/meson.build | 1 + hw/virtio/trace-events | 5 + hw/virtio/vhost-user-gpio.c | 411 ++++++++++++++++++++++++++++++++++++ include/hw/virtio/vhost-user-gpio.h | 35 +++ 6 files changed, 464 insertions(+) create mode 100644 hw/virtio/vhost-user-gpio.c create mode 100644 include/hw/virtio/vhost-user-gpio.h diff --git a/MAINTAINERS b/MAINTAINERS index e1530b51a2..66d519fe35 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2098,6 +2098,13 @@ F: hw/virtio/vhost-user-rng-pci.c F: include/hw/virtio/vhost-user-rng.h F: tools/vhost-user-rng/* +vhost-user-gpio +M: Alex Bennée +R: Viresh Kumar +S: Maintained +F: hw/virtio/vhost-user-gpio.c +F: include/hw/virtio/vhost-user-gpio.h + virtio-crypto M: Gonglei S: Supported diff --git a/hw/virtio/Kconfig b/hw/virtio/Kconfig index e9ecae1f50..cbfd8c7173 100644 --- a/hw/virtio/Kconfig +++ b/hw/virtio/Kconfig @@ -80,3 +80,8 @@ config VHOST_USER_FS bool default y depends on VIRTIO && VHOST_USER + +config VHOST_USER_GPIO + bool + default y + depends on VIRTIO && VHOST_USER diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index 7e8877fd64..33c8e71fab 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -29,6 +29,7 @@ virtio_ss.add(when: 'CONFIG_VIRTIO_IOMMU', if_true: files('virtio-iommu.c')) virtio_ss.add(when: 'CONFIG_VIRTIO_MEM', if_true: files('virtio-mem.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_I2C', if_true: files('vhost-user-i2c.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user-rng.c')) +virtio_ss.add(when: 'CONFIG_VHOST_USER_GPIO', if_true: files('vhost-user-gpio.c')) virtio_pci_ss = ss.source_set() virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-pci.c')) diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events index 887ca7afa8..820dadc26c 100644 --- a/hw/virtio/trace-events +++ b/hw/virtio/trace-events @@ -144,3 +144,8 @@ virtio_mem_state_response(uint16_t state) "state=%" PRIu16 virtio_pmem_flush_request(void) "flush request" virtio_pmem_response(void) "flush response" virtio_pmem_flush_done(int type) "fsync return=%d" + +# virtio-gpio.c +virtio_gpio_start(void) "start" +virtio_gpio_stop(void) "stop" +virtio_gpio_set_status(uint8_t status) "0x%x" diff --git a/hw/virtio/vhost-user-gpio.c b/hw/virtio/vhost-user-gpio.c new file mode 100644 index 0000000000..8b40fe450c --- /dev/null +++ b/hw/virtio/vhost-user-gpio.c @@ -0,0 +1,411 @@ +/* + * Vhost-user GPIO virtio device + * + * Copyright (c) 2022 Viresh Kumar + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/virtio-bus.h" +#include "hw/virtio/vhost-user-gpio.h" +#include "qemu/error-report.h" +#include "standard-headers/linux/virtio_ids.h" +#include "trace.h" + +#define REALIZE_CONNECTION_RETRIES 3 + +/* Features required from VirtIO */ +static const int feature_bits[] = { + VIRTIO_F_VERSION_1, + VIRTIO_F_NOTIFY_ON_EMPTY, + VIRTIO_RING_F_INDIRECT_DESC, + VIRTIO_RING_F_EVENT_IDX, + VIRTIO_GPIO_F_IRQ, + VHOST_INVALID_FEATURE_BIT +}; + +static void vu_gpio_get_config(VirtIODevice *vdev, uint8_t *config) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + + memcpy(config, &gpio->config, sizeof(gpio->config)); +} + +static int vu_gpio_config_notifier(struct vhost_dev *dev) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(dev->vdev); + + memcpy(dev->vdev->config, &gpio->config, sizeof(gpio->config)); + virtio_notify_config(dev->vdev); + + return 0; +} + +const VhostDevConfigOps gpio_ops = { + .vhost_dev_config_notifier = vu_gpio_config_notifier, +}; + +static int vu_gpio_start(VirtIODevice *vdev) +{ + BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev))); + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + struct vhost_dev *vhost_dev = &gpio->vhost_dev; + int ret, i; + + if (!k->set_guest_notifiers) { + error_report("binding does not support guest notifiers"); + return -ENOSYS; + } + + ret = vhost_dev_enable_notifiers(vhost_dev, vdev); + if (ret < 0) { + error_report("Error enabling host notifiers: %d", ret); + return ret; + } + + ret = k->set_guest_notifiers(qbus->parent, vhost_dev->nvqs, true); + if (ret < 0) { + error_report("Error binding guest notifier: %d", ret); + goto err_host_notifiers; + } + + /* + * Before we start up we need to ensure we have the final feature + * set needed for the vhost configuration. The backend may also + * apply backend_features when the feature set is sent. + */ + vhost_ack_features(&gpio->vhost_dev, feature_bits, vdev->guest_features); + + ret = vhost_dev_start(&gpio->vhost_dev, vdev); + if (ret < 0) { + error_report("Error starting vhost-user-gpio: %d", ret); + goto err_guest_notifiers; + } + + /* + * guest_notifier_mask/pending not used yet, so just unmask + * everything here. virtio-pci will do the right thing by + * enabling/disabling irqfd. + */ + for (i = 0; i < gpio->vhost_dev.nvqs; i++) { + vhost_virtqueue_mask(&gpio->vhost_dev, vdev, i, false); + } + + /* + * As we must have VHOST_USER_F_PROTOCOL_FEATURES (because + * VHOST_USER_GET_CONFIG requires it) we need to explicitly enable + * the vrings. + */ + g_assert(vhost_dev->vhost_ops && + vhost_dev->vhost_ops->vhost_set_vring_enable); + ret = vhost_dev->vhost_ops->vhost_set_vring_enable(vhost_dev, true); + if (ret == 0) { + return 0; + } + + error_report("Failed to start vrings for vhost-user-gpio: %d", ret); + +err_guest_notifiers: + k->set_guest_notifiers(qbus->parent, gpio->vhost_dev.nvqs, false); +err_host_notifiers: + vhost_dev_disable_notifiers(&gpio->vhost_dev, vdev); + + return ret; +} + +static void vu_gpio_stop(VirtIODevice *vdev) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev))); + VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); + struct vhost_dev *vhost_dev = &gpio->vhost_dev; + int ret; + + if (!k->set_guest_notifiers) { + return; + } + + /* + * We can call vu_gpio_stop multiple times, for example from + * vm_state_notify and the final object finalisation. Check we + * aren't already stopped before doing so. + */ + if (!vhost_dev_is_started(vhost_dev)) { + return; + } + + vhost_dev_stop(vhost_dev, vdev); + + ret = k->set_guest_notifiers(qbus->parent, vhost_dev->nvqs, false); + if (ret < 0) { + error_report("vhost guest notifier cleanup failed: %d", ret); + return; + } + + vhost_dev_disable_notifiers(vhost_dev, vdev); +} + +static void vu_gpio_set_status(VirtIODevice *vdev, uint8_t status) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + bool should_start = virtio_device_started(vdev, status); + + trace_virtio_gpio_set_status(status); + + if (!gpio->connected) { + return; + } + + if (vhost_dev_is_started(&gpio->vhost_dev) == should_start) { + return; + } + + if (should_start) { + if (vu_gpio_start(vdev)) { + qemu_chr_fe_disconnect(&gpio->chardev); + } + } else { + vu_gpio_stop(vdev); + } +} + +static uint64_t vu_gpio_get_features(VirtIODevice *vdev, uint64_t features, + Error **errp) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + + return vhost_get_features(&gpio->vhost_dev, feature_bits, features); +} + +static void vu_gpio_handle_output(VirtIODevice *vdev, VirtQueue *vq) +{ + /* + * Not normally called; it's the daemon that handles the queue; + * however virtio's cleanup path can call this. + */ +} + +static void vu_gpio_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) +{ + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + + vhost_virtqueue_mask(&gpio->vhost_dev, vdev, idx, mask); +} + +static void do_vhost_user_cleanup(VirtIODevice *vdev, VHostUserGPIO *gpio) +{ + virtio_delete_queue(gpio->command_vq); + virtio_delete_queue(gpio->interrupt_vq); + g_free(gpio->vhost_dev.vqs); + gpio->vhost_dev.vqs = NULL; + virtio_cleanup(vdev); + vhost_user_cleanup(&gpio->vhost_user); +} + +static int vu_gpio_connect(DeviceState *dev, Error **errp) +{ + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + struct vhost_dev *vhost_dev = &gpio->vhost_dev; + int ret; + + if (gpio->connected) { + return 0; + } + gpio->connected = true; + + vhost_dev_set_config_notifier(vhost_dev, &gpio_ops); + gpio->vhost_user.supports_config = true; + + ret = vhost_dev_init(vhost_dev, &gpio->vhost_user, + VHOST_BACKEND_TYPE_USER, 0, errp); + if (ret < 0) { + return ret; + } + + /* restore vhost state */ + if (virtio_device_started(vdev, vdev->status)) { + vu_gpio_start(vdev); + } + + return 0; +} + +static void vu_gpio_disconnect(DeviceState *dev) +{ + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + + if (!gpio->connected) { + return; + } + gpio->connected = false; + + vu_gpio_stop(vdev); + vhost_dev_cleanup(&gpio->vhost_dev); +} + +static void vu_gpio_event(void *opaque, QEMUChrEvent event) +{ + DeviceState *dev = opaque; + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VHostUserGPIO *gpio = VHOST_USER_GPIO(vdev); + Error *local_err = NULL; + + switch (event) { + case CHR_EVENT_OPENED: + if (vu_gpio_connect(dev, &local_err) < 0) { + qemu_chr_fe_disconnect(&gpio->chardev); + return; + } + break; + case CHR_EVENT_CLOSED: + vu_gpio_disconnect(dev); + break; + case CHR_EVENT_BREAK: + case CHR_EVENT_MUX_IN: + case CHR_EVENT_MUX_OUT: + /* Ignore */ + break; + } +} + +static int vu_gpio_realize_connect(VHostUserGPIO *gpio, Error **errp) +{ + VirtIODevice *vdev = &gpio->parent_obj; + DeviceState *dev = &vdev->parent_obj; + struct vhost_dev *vhost_dev = &gpio->vhost_dev; + int ret; + + ret = qemu_chr_fe_wait_connected(&gpio->chardev, errp); + if (ret < 0) { + return ret; + } + + /* + * vu_gpio_connect() may have already connected (via the event + * callback) in which case it will just report success. + */ + ret = vu_gpio_connect(dev, errp); + if (ret < 0) { + qemu_chr_fe_disconnect(&gpio->chardev); + return ret; + } + g_assert(gpio->connected); + + ret = vhost_dev_get_config(vhost_dev, (uint8_t *)&gpio->config, + sizeof(gpio->config), errp); + + if (ret < 0) { + error_report("vhost-user-gpio: get config failed"); + + qemu_chr_fe_disconnect(&gpio->chardev); + vhost_dev_cleanup(vhost_dev); + return ret; + } + + return 0; +} + +static void vu_gpio_device_realize(DeviceState *dev, Error **errp) +{ + ERRP_GUARD(); + + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VHostUserGPIO *gpio = VHOST_USER_GPIO(dev); + int retries, ret; + + if (!gpio->chardev.chr) { + error_setg(errp, "vhost-user-gpio: chardev is mandatory"); + return; + } + + if (!vhost_user_init(&gpio->vhost_user, &gpio->chardev, errp)) { + return; + } + + virtio_init(vdev, VIRTIO_ID_GPIO, sizeof(gpio->config)); + + gpio->vhost_dev.nvqs = 2; + gpio->command_vq = virtio_add_queue(vdev, 256, vu_gpio_handle_output); + gpio->interrupt_vq = virtio_add_queue(vdev, 256, vu_gpio_handle_output); + gpio->vhost_dev.vqs = g_new0(struct vhost_virtqueue, gpio->vhost_dev.nvqs); + + gpio->connected = false; + + qemu_chr_fe_set_handlers(&gpio->chardev, NULL, NULL, vu_gpio_event, NULL, + dev, NULL, true); + + retries = REALIZE_CONNECTION_RETRIES; + g_assert(!*errp); + do { + if (*errp) { + error_prepend(errp, "Reconnecting after error: "); + error_report_err(*errp); + *errp = NULL; + } + ret = vu_gpio_realize_connect(gpio, errp); + } while (ret < 0 && retries--); + + if (ret < 0) { + do_vhost_user_cleanup(vdev, gpio); + } + + return; +} + +static void vu_gpio_device_unrealize(DeviceState *dev) +{ + VirtIODevice *vdev = VIRTIO_DEVICE(dev); + VHostUserGPIO *gpio = VHOST_USER_GPIO(dev); + + vu_gpio_set_status(vdev, 0); + qemu_chr_fe_set_handlers(&gpio->chardev, NULL, NULL, NULL, NULL, NULL, NULL, + false); + vhost_dev_cleanup(&gpio->vhost_dev); + do_vhost_user_cleanup(vdev, gpio); +} + +static const VMStateDescription vu_gpio_vmstate = { + .name = "vhost-user-gpio", + .unmigratable = 1, +}; + +static Property vu_gpio_properties[] = { + DEFINE_PROP_CHR("chardev", VHostUserGPIO, chardev), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vu_gpio_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); + + device_class_set_props(dc, vu_gpio_properties); + dc->vmsd = &vu_gpio_vmstate; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + vdc->realize = vu_gpio_device_realize; + vdc->unrealize = vu_gpio_device_unrealize; + vdc->get_features = vu_gpio_get_features; + vdc->get_config = vu_gpio_get_config; + vdc->set_status = vu_gpio_set_status; + vdc->guest_notifier_mask = vu_gpio_guest_notifier_mask; +} + +static const TypeInfo vu_gpio_info = { + .name = TYPE_VHOST_USER_GPIO, + .parent = TYPE_VIRTIO_DEVICE, + .instance_size = sizeof(VHostUserGPIO), + .class_init = vu_gpio_class_init, +}; + +static void vu_gpio_register_types(void) +{ + type_register_static(&vu_gpio_info); +} + +type_init(vu_gpio_register_types) diff --git a/include/hw/virtio/vhost-user-gpio.h b/include/hw/virtio/vhost-user-gpio.h new file mode 100644 index 0000000000..4fe9aeecc0 --- /dev/null +++ b/include/hw/virtio/vhost-user-gpio.h @@ -0,0 +1,35 @@ +/* + * Vhost-user GPIO virtio device + * + * Copyright (c) 2021 Viresh Kumar + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef _QEMU_VHOST_USER_GPIO_H +#define _QEMU_VHOST_USER_GPIO_H + +#include "hw/virtio/virtio.h" +#include "hw/virtio/vhost.h" +#include "hw/virtio/vhost-user.h" +#include "standard-headers/linux/virtio_gpio.h" +#include "chardev/char-fe.h" + +#define TYPE_VHOST_USER_GPIO "vhost-user-gpio-device" +OBJECT_DECLARE_SIMPLE_TYPE(VHostUserGPIO, VHOST_USER_GPIO); + +struct VHostUserGPIO { + /*< private >*/ + VirtIODevice parent_obj; + CharBackend chardev; + struct virtio_gpio_config config; + struct vhost_virtqueue *vhost_vq; + struct vhost_dev vhost_dev; + VhostUserState vhost_user; + VirtQueue *command_vq; + VirtQueue *interrupt_vq; + bool connected; + /*< public >*/ +}; + +#endif /* _QEMU_VHOST_USER_GPIO_H */ -- cgit v1.2.3 From 25c60a4612dd30976dc2c471ebe050dd5f6635a4 Mon Sep 17 00:00:00 2001 From: Viresh Kumar Date: Tue, 2 Aug 2022 10:50:01 +0100 Subject: hw/virtio: add vhost-user-gpio-pci boilerplate MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows is to instantiate a vhost-user-gpio device as part of a PCI bus. It is mostly boilerplate which looks pretty similar to the vhost-user-fs-pci device. Signed-off-by: Viresh Kumar Reviewed-by: Alex Bennée Message-Id: <5f560cab92d0d789b1c94295ec74b9952907d69d.1641987128.git.viresh.kumar@linaro.org> Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-14-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- MAINTAINERS | 2 +- hw/virtio/meson.build | 1 + hw/virtio/vhost-user-gpio-pci.c | 69 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 71 insertions(+), 1 deletion(-) create mode 100644 hw/virtio/vhost-user-gpio-pci.c diff --git a/MAINTAINERS b/MAINTAINERS index 66d519fe35..beccce4a7a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2102,7 +2102,7 @@ vhost-user-gpio M: Alex Bennée R: Viresh Kumar S: Maintained -F: hw/virtio/vhost-user-gpio.c +F: hw/virtio/vhost-user-gpio* F: include/hw/virtio/vhost-user-gpio.h virtio-crypto diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index 33c8e71fab..c14e3db10a 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -30,6 +30,7 @@ virtio_ss.add(when: 'CONFIG_VIRTIO_MEM', if_true: files('virtio-mem.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_I2C', if_true: files('vhost-user-i2c.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user-rng.c')) virtio_ss.add(when: 'CONFIG_VHOST_USER_GPIO', if_true: files('vhost-user-gpio.c')) +virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_GPIO'], if_true: files('vhost-user-gpio-pci.c')) virtio_pci_ss = ss.source_set() virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-pci.c')) diff --git a/hw/virtio/vhost-user-gpio-pci.c b/hw/virtio/vhost-user-gpio-pci.c new file mode 100644 index 0000000000..b3028a24a1 --- /dev/null +++ b/hw/virtio/vhost-user-gpio-pci.c @@ -0,0 +1,69 @@ +/* + * Vhost-user gpio virtio device PCI glue + * + * Copyright (c) 2022 Viresh Kumar + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-gpio.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserGPIOPCI { + VirtIOPCIProxy parent_obj; + VHostUserGPIO vdev; +}; + +typedef struct VHostUserGPIOPCI VHostUserGPIOPCI; + +#define TYPE_VHOST_USER_GPIO_PCI "vhost-user-gpio-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserGPIOPCI, VHOST_USER_GPIO_PCI, + TYPE_VHOST_USER_GPIO_PCI) + +static void vhost_user_gpio_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) +{ + VHostUserGPIOPCI *dev = VHOST_USER_GPIO_PCI(vpci_dev); + DeviceState *vdev = DEVICE(&dev->vdev); + + vpci_dev->nvectors = 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_gpio_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass); + k->realize = vhost_user_gpio_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision = 0x00; + pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_gpio_pci_instance_init(Object *obj) +{ + VHostUserGPIOPCI *dev = VHOST_USER_GPIO_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_GPIO); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_gpio_pci_info = { + .base_name = TYPE_VHOST_USER_GPIO_PCI, + .non_transitional_name = "vhost-user-gpio-pci", + .instance_size = sizeof(VHostUserGPIOPCI), + .instance_init = vhost_user_gpio_pci_instance_init, + .class_init = vhost_user_gpio_pci_class_init, +}; + +static void vhost_user_gpio_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_gpio_pci_info); +} + +type_init(vhost_user_gpio_pci_register); -- cgit v1.2.3 From bbd971153745ca2aa9a26b7d6370374ef559a328 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:02 +0100 Subject: tests/qtest: pass stdout/stderr down to subtests MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When trying to work out what the virtio-net-tests where doing it was hard because the g_test_trap_subprocess redirects all output to /dev/null. Lift this restriction by using the appropriate flags so you can see something similar to what the vhost-user-blk tests show when running. Signed-off-by: Alex Bennée Acked-by: Thomas Huth Message-Id: <20220407150042.2338562-1-alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-15-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/qos-test.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c index 831db5cf2a..33cdada380 100644 --- a/tests/qtest/qos-test.c +++ b/tests/qtest/qos-test.c @@ -185,7 +185,9 @@ static void run_one_test(const void *arg) static void subprocess_run_one_test(const void *arg) { const gchar *path = arg; - g_test_trap_subprocess(path, 0, 0); + g_test_trap_subprocess(path, 0, + G_TEST_SUBPROCESS_INHERIT_STDOUT | + G_TEST_SUBPROCESS_INHERIT_STDERR); g_test_trap_assert_passed(); } -- cgit v1.2.3 From ebaa07083b57aab2d2dabf86d9bf172f43bad7a6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:03 +0100 Subject: tests/qtest: add a timeout for subprocess_run_one_test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hangs have been observed in the tests and currently we don't timeout if a subprocess hangs. Rectify that. Signed-off-by: Alex Bennée Reviewed-by: Thomas Huth Message-Id: <20220802095010.3330793-16-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Philippe Mathieu-Daudé --- tests/qtest/qos-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c index 33cdada380..566cb3b00b 100644 --- a/tests/qtest/qos-test.c +++ b/tests/qtest/qos-test.c @@ -185,7 +185,7 @@ static void run_one_test(const void *arg) static void subprocess_run_one_test(const void *arg) { const gchar *path = arg; - g_test_trap_subprocess(path, 0, + g_test_trap_subprocess(path, 180 * G_USEC_PER_SEC, G_TEST_SUBPROCESS_INHERIT_STDOUT | G_TEST_SUBPROCESS_INHERIT_STDERR); g_test_trap_assert_passed(); -- cgit v1.2.3 From 30ea13e9d97dcbd4ea541ddf9e8857fa1d5cb30f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:04 +0100 Subject: tests/qtest: use qos_printf instead of g_test_message MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The vhost-user tests respawn qos-test as a standalone process. As a result the gtester framework squashes all messages coming out of it which make it hard to debug. As the test does not care about asserting certain messages just convert the tests to use the direct qos_printf. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-17-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/qos-test.c | 5 +++++ tests/qtest/vhost-user-test.c | 13 +++++++------ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c index 566cb3b00b..5da4091ec3 100644 --- a/tests/qtest/qos-test.c +++ b/tests/qtest/qos-test.c @@ -321,6 +321,11 @@ static void walk_path(QOSGraphNode *orig_path, int len) int main(int argc, char **argv, char** envp) { g_test_init(&argc, &argv, NULL); + + if (g_test_subprocess()) { + qos_printf("qos_test running single test in subprocess\n"); + } + if (g_test_verbose()) { qos_printf("ENVIRONMENT VARIABLES: {\n"); for (char **env = envp; *env != 0; env++) { diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 84498941a6..99dc6080e5 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -26,6 +26,7 @@ #include "libqos/virtio-pci.h" #include "libqos/malloc-pc.h" +#include "libqos/qgraph_internal.h" #include "hw/virtio/virtio-net.h" #include "standard-headers/linux/vhost_types.h" @@ -316,7 +317,7 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) } if (size != VHOST_USER_HDR_SIZE) { - g_test_message("Wrong message size received %d", size); + qos_printf("%s: Wrong message size received %d\n", __func__, size); return; } @@ -327,8 +328,8 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) p += VHOST_USER_HDR_SIZE; size = qemu_chr_fe_read_all(chr, p, msg.size); if (size != msg.size) { - g_test_message("Wrong message size received %d != %d", - size, msg.size); + qos_printf("%s: Wrong message size received %d != %d\n", + __func__, size, msg.size); return; } } @@ -450,7 +451,7 @@ static const char *init_hugepagefs(void) } if (access(path, R_OK | W_OK | X_OK)) { - g_test_message("access on path (%s): %s", path, strerror(errno)); + qos_printf("access on path (%s): %s", path, strerror(errno)); g_test_fail(); return NULL; } @@ -460,13 +461,13 @@ static const char *init_hugepagefs(void) } while (ret != 0 && errno == EINTR); if (ret != 0) { - g_test_message("statfs on path (%s): %s", path, strerror(errno)); + qos_printf("statfs on path (%s): %s", path, strerror(errno)); g_test_fail(); return NULL; } if (fs.f_type != HUGETLBFS_MAGIC) { - g_test_message("Warning: path not on HugeTLBFS: %s", path); + qos_printf("Warning: path not on HugeTLBFS: %s", path); g_test_fail(); return NULL; } -- cgit v1.2.3 From 20a4127fbd4f54ab5ff2e0f3538c2b8e89011bce Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:05 +0100 Subject: tests/qtest: catch unhandled vhost-user messages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We don't need to action every message but lets document the ones we are expecting to consume so future tests don't get confused about unhandled bits. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-18-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/vhost-user-test.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 99dc6080e5..8d2d4ba535 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -358,12 +358,44 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) } break; + case VHOST_USER_SET_OWNER: + /* + * We don't need to do anything here, the remote is just + * letting us know it is in charge. Just log it. + */ + qos_printf("set_owner: start of session\n"); + break; + case VHOST_USER_GET_PROTOCOL_FEATURES: if (s->vu_ops->get_protocol_features) { s->vu_ops->get_protocol_features(s, chr, &msg); } break; + case VHOST_USER_SET_PROTOCOL_FEATURES: + /* + * We did set VHOST_USER_F_PROTOCOL_FEATURES so its valid for + * the remote end to send this. There is no handshake reply so + * just log the details for debugging. + */ + qos_printf("set_protocol_features: 0x%"PRIx64 "\n", msg.payload.u64); + break; + + /* + * A real vhost-user backend would actually set the size and + * address of the vrings but we can simply report them. + */ + case VHOST_USER_SET_VRING_NUM: + qos_printf("set_vring_num: %d/%d\n", + msg.payload.state.index, msg.payload.state.num); + break; + case VHOST_USER_SET_VRING_ADDR: + qos_printf("set_vring_addr: 0x%"PRIx64"/0x%"PRIx64"/0x%"PRIx64"\n", + msg.payload.addr.avail_user_addr, + msg.payload.addr.desc_user_addr, + msg.payload.addr.used_user_addr); + break; + case VHOST_USER_GET_VRING_BASE: /* send back vring base to qemu */ msg.flags |= VHOST_USER_REPLY_MASK; @@ -428,7 +460,18 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); break; + case VHOST_USER_SET_VRING_ENABLE: + /* + * Another case we ignore as we don't need to respond. With a + * fully functioning vhost-user we would enable/disable the + * vring monitoring. + */ + qos_printf("set_vring(%d)=%s\n", msg.payload.state.index, + msg.payload.state.num ? "enabled" : "disabled"); + break; + default: + qos_printf("vhost-user: un-handled message: %d\n", msg.request); break; } -- cgit v1.2.3 From f48d994fb50c49093dd1dfe64c0d7314c6b62faf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:06 +0100 Subject: tests/qtest: plain g_assert for VHOST_USER_F_PROTOCOL_FEATURES MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit checkpatch.pl warns that non-plain asserts should be avoided so convert the check to a plain g_assert. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-19-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/vhost-user-test.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 8d2d4ba535..a99f55ed84 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -985,8 +985,7 @@ static void test_multiqueue(void *obj, void *arg, QGuestAllocator *alloc) static void vu_net_set_features(TestServer *s, CharBackend *chr, VhostUserMsg *msg) { - g_assert_cmpint(msg->payload.u64 & - (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES), !=, 0ULL); + g_assert(msg->payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES)); if (s->test_flags == TEST_FLAGS_DISCONNECT) { qemu_chr_fe_disconnect(chr); s->test_flags = TEST_FLAGS_BAD; -- cgit v1.2.3 From 3bd869f36e3bec51969c8cdb0e3637312d85eb1b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:07 +0100 Subject: tests/qtest: add assert to catch bad features MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No device driver (which is what the qvirtio_ access functions represent) should be setting UNUSED(30) in the feature space. Although existing libqos users mask it out lets ensure nothing sneaks through. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-20-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/libqos/virtio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c index 09ec09b655..03056e5187 100644 --- a/tests/qtest/libqos/virtio.c +++ b/tests/qtest/libqos/virtio.c @@ -101,6 +101,8 @@ uint64_t qvirtio_get_features(QVirtioDevice *d) void qvirtio_set_features(QVirtioDevice *d, uint64_t features) { + g_assert(!(features & QVIRTIO_F_BAD_FEATURE)); + d->features = features; d->bus->set_features(d, features); -- cgit v1.2.3 From ff070f602af6163b6ef4d803d5c3bde735035fed Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:08 +0100 Subject: tests/qtest: implement stub for VHOST_USER_GET_CONFIG MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We don't implement the full solution because frankly none of the tests need to at the moment. We may end up re-implementing libvhostuser in the end. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-21-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/vhost-user-test.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index a99f55ed84..3052386634 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -79,6 +79,8 @@ typedef enum VhostUserRequest { VHOST_USER_SET_PROTOCOL_FEATURES = 16, VHOST_USER_GET_QUEUE_NUM = 17, VHOST_USER_SET_VRING_ENABLE = 18, + VHOST_USER_GET_CONFIG = 24, + VHOST_USER_SET_CONFIG = 25, VHOST_USER_MAX } VhostUserRequest; @@ -372,6 +374,17 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) } break; + case VHOST_USER_GET_CONFIG: + /* + * Treat GET_CONFIG as a NOP and just reply and let the guest + * consider we have updated its memory. Tests currently don't + * require working configs. + */ + msg.flags |= VHOST_USER_REPLY_MASK; + p = (uint8_t *) &msg; + qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); + break; + case VHOST_USER_SET_PROTOCOL_FEATURES: /* * We did set VHOST_USER_F_PROTOCOL_FEATURES so its valid for -- cgit v1.2.3 From 19d55a19a4b9151f15eb5e2b5d0610aa2a738c7c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:09 +0100 Subject: tests/qtest: add a get_features op to vhost-user-test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As we expand this test for more virtio devices we will need to support different feature sets. Add a mandatory op field to fetch the list of features needed for the test itself. Signed-off-by: Alex Bennée Message-Id: <20220802095010.3330793-22-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/vhost-user-test.c | 37 +++++++++++++++++++++++++++---------- 1 file changed, 27 insertions(+), 10 deletions(-) diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 3052386634..4f4fcc09f5 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -171,10 +171,11 @@ struct vhost_user_ops { const char *chr_opts); /* VHOST-USER commands. */ + uint64_t (*get_features)(TestServer *s); void (*set_features)(TestServer *s, CharBackend *chr, - VhostUserMsg *msg); + VhostUserMsg *msg); void (*get_protocol_features)(TestServer *s, - CharBackend *chr, VhostUserMsg *msg); + CharBackend *chr, VhostUserMsg *msg); }; static const char *init_hugepagefs(void); @@ -338,20 +339,22 @@ static void chr_read(void *opaque, const uint8_t *buf, int size) switch (msg.request) { case VHOST_USER_GET_FEATURES: + /* Mandatory for tests to define get_features */ + g_assert(s->vu_ops->get_features); + /* send back features to qemu */ msg.flags |= VHOST_USER_REPLY_MASK; msg.size = sizeof(m.payload.u64); - msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL | - 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; - if (s->queues > 1) { - msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ; - } + if (s->test_flags >= TEST_FLAGS_BAD) { msg.payload.u64 = 0; s->test_flags = TEST_FLAGS_END; + } else { + msg.payload.u64 = s->vu_ops->get_features(s); } - p = (uint8_t *) &msg; - qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size); + + qemu_chr_fe_write_all(chr, (uint8_t *) &msg, + VHOST_USER_HDR_SIZE + msg.size); break; case VHOST_USER_SET_FEATURES: @@ -995,8 +998,21 @@ static void test_multiqueue(void *obj, void *arg, QGuestAllocator *alloc) wait_for_rings_started(s, s->queues * 2); } + +static uint64_t vu_net_get_features(TestServer *s) +{ + uint64_t features = 0x1ULL << VHOST_F_LOG_ALL | + 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; + + if (s->queues > 1) { + features |= 0x1ULL << VIRTIO_NET_F_MQ; + } + + return features; +} + static void vu_net_set_features(TestServer *s, CharBackend *chr, - VhostUserMsg *msg) + VhostUserMsg *msg) { g_assert(msg->payload.u64 & (0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES)); if (s->test_flags == TEST_FLAGS_DISCONNECT) { @@ -1025,6 +1041,7 @@ static struct vhost_user_ops g_vu_net_ops = { .append_opts = append_vhost_net_opts, + .get_features = vu_net_get_features, .set_features = vu_net_set_features, .get_protocol_features = vu_net_get_protocol_features, }; -- cgit v1.2.3 From 8fcfc8235e43649cd4045c815abdaac078cff9c2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Tue, 2 Aug 2022 10:50:10 +0100 Subject: tests/qtest: enable tests for virtio-gpio MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We don't have a virtio-gpio implementation in QEMU and only support a vhost-user backend. The QEMU side of the code is minimal so it should be enough to instantiate the device and pass some vhost-user messages over the control socket. To do this we hook into the existing vhost-user-test code and just add the bits required for gpio. Signed-off-by: Alex Bennée Cc: Viresh Kumar Cc: Paolo Bonzini Cc: Eric Auger Message-Id: <20220408155704.2777166-1-alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-23-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- MAINTAINERS | 1 + tests/qtest/libqos/meson.build | 1 + tests/qtest/libqos/virtio-gpio.c | 171 +++++++++++++++++++++++++++++++++++++++ tests/qtest/libqos/virtio-gpio.h | 35 ++++++++ tests/qtest/libqos/virtio.c | 2 +- tests/qtest/vhost-user-test.c | 66 +++++++++++++++ 6 files changed, 275 insertions(+), 1 deletion(-) create mode 100644 tests/qtest/libqos/virtio-gpio.c create mode 100644 tests/qtest/libqos/virtio-gpio.h diff --git a/MAINTAINERS b/MAINTAINERS index beccce4a7a..d0c0c8a55b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2104,6 +2104,7 @@ R: Viresh Kumar S: Maintained F: hw/virtio/vhost-user-gpio* F: include/hw/virtio/vhost-user-gpio.h +F: tests/qtest/libqos/virtio-gpio.* virtio-crypto M: Gonglei diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index cff83c86d9..a5b6d5197a 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -45,6 +45,7 @@ libqos_srcs = files( 'virtio-scsi.c', 'virtio-serial.c', 'virtio-iommu.c', + 'virtio-gpio.c', 'generic-pcihost.c', # qgraph machines: diff --git a/tests/qtest/libqos/virtio-gpio.c b/tests/qtest/libqos/virtio-gpio.c new file mode 100644 index 0000000000..762aa6695b --- /dev/null +++ b/tests/qtest/libqos/virtio-gpio.c @@ -0,0 +1,171 @@ +/* + * virtio-gpio nodes for testing + * + * Copyright (c) 2022 Linaro Ltd + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "standard-headers/linux/virtio_config.h" +#include "../libqtest.h" +#include "qemu/module.h" +#include "qgraph.h" +#include "virtio-gpio.h" + +static QGuestAllocator *alloc; + +static void virtio_gpio_cleanup(QVhostUserGPIO *gpio) +{ + QVirtioDevice *vdev = gpio->vdev; + int i; + + for (i = 0; i < 2; i++) { + qvirtqueue_cleanup(vdev->bus, gpio->queues[i], alloc); + } + g_free(gpio->queues); +} + +/* + * This handles the VirtIO setup from the point of view of the driver + * frontend and therefor doesn't present any vhost specific features + * and in fact masks of the re-used bit. + */ +static void virtio_gpio_setup(QVhostUserGPIO *gpio) +{ + QVirtioDevice *vdev = gpio->vdev; + uint64_t features; + int i; + + features = qvirtio_get_features(vdev); + features &= ~QVIRTIO_F_BAD_FEATURE; + qvirtio_set_features(vdev, features); + + gpio->queues = g_new(QVirtQueue *, 2); + for (i = 0; i < 2; i++) { + gpio->queues[i] = qvirtqueue_setup(vdev, alloc, i); + } + qvirtio_set_driver_ok(vdev); +} + +static void *qvirtio_gpio_get_driver(QVhostUserGPIO *v_gpio, + const char *interface) +{ + if (!g_strcmp0(interface, "vhost-user-gpio")) { + return v_gpio; + } + if (!g_strcmp0(interface, "virtio")) { + return v_gpio->vdev; + } + + g_assert_not_reached(); +} + +static void *qvirtio_gpio_device_get_driver(void *object, + const char *interface) +{ + QVhostUserGPIODevice *v_gpio = object; + return qvirtio_gpio_get_driver(&v_gpio->gpio, interface); +} + +/* virtio-gpio (mmio) */ +static void qvirtio_gpio_device_destructor(QOSGraphObject *obj) +{ + QVhostUserGPIODevice *gpio_dev = (QVhostUserGPIODevice *) obj; + virtio_gpio_cleanup(&gpio_dev->gpio); +} + +static void qvirtio_gpio_device_start_hw(QOSGraphObject *obj) +{ + QVhostUserGPIODevice *gpio_dev = (QVhostUserGPIODevice *) obj; + virtio_gpio_setup(&gpio_dev->gpio); +} + +static void *virtio_gpio_device_create(void *virtio_dev, + QGuestAllocator *t_alloc, + void *addr) +{ + QVhostUserGPIODevice *virtio_device = g_new0(QVhostUserGPIODevice, 1); + QVhostUserGPIO *interface = &virtio_device->gpio; + + interface->vdev = virtio_dev; + alloc = t_alloc; + + virtio_device->obj.get_driver = qvirtio_gpio_device_get_driver; + virtio_device->obj.start_hw = qvirtio_gpio_device_start_hw; + virtio_device->obj.destructor = qvirtio_gpio_device_destructor; + + return &virtio_device->obj; +} + +/* virtio-gpio-pci */ +static void qvirtio_gpio_pci_destructor(QOSGraphObject *obj) +{ + QVhostUserGPIOPCI *gpio_pci = (QVhostUserGPIOPCI *) obj; + QOSGraphObject *pci_vobj = &gpio_pci->pci_vdev.obj; + + virtio_gpio_cleanup(&gpio_pci->gpio); + qvirtio_pci_destructor(pci_vobj); +} + +static void qvirtio_gpio_pci_start_hw(QOSGraphObject *obj) +{ + QVhostUserGPIOPCI *gpio_pci = (QVhostUserGPIOPCI *) obj; + QOSGraphObject *pci_vobj = &gpio_pci->pci_vdev.obj; + + qvirtio_pci_start_hw(pci_vobj); + virtio_gpio_setup(&gpio_pci->gpio); +} + +static void *qvirtio_gpio_pci_get_driver(void *object, const char *interface) +{ + QVhostUserGPIOPCI *v_gpio = object; + + if (!g_strcmp0(interface, "pci-device")) { + return v_gpio->pci_vdev.pdev; + } + return qvirtio_gpio_get_driver(&v_gpio->gpio, interface); +} + +static void *virtio_gpio_pci_create(void *pci_bus, QGuestAllocator *t_alloc, + void *addr) +{ + QVhostUserGPIOPCI *virtio_spci = g_new0(QVhostUserGPIOPCI, 1); + QVhostUserGPIO *interface = &virtio_spci->gpio; + QOSGraphObject *obj = &virtio_spci->pci_vdev.obj; + + virtio_pci_init(&virtio_spci->pci_vdev, pci_bus, addr); + interface->vdev = &virtio_spci->pci_vdev.vdev; + alloc = t_alloc; + + obj->get_driver = qvirtio_gpio_pci_get_driver; + obj->start_hw = qvirtio_gpio_pci_start_hw; + obj->destructor = qvirtio_gpio_pci_destructor; + + return obj; +} + +static void virtio_gpio_register_nodes(void) +{ + QPCIAddress addr = { + .devfn = QPCI_DEVFN(4, 0), + }; + + QOSGraphEdgeOptions edge_opts = { }; + + /* vhost-user-gpio-device */ + edge_opts.extra_device_opts = "id=gpio0,chardev=chr-vhost-user-test"; + qos_node_create_driver("vhost-user-gpio-device", + virtio_gpio_device_create); + qos_node_consumes("vhost-user-gpio-device", "virtio-bus", &edge_opts); + qos_node_produces("vhost-user-gpio-device", "vhost-user-gpio"); + + /* virtio-gpio-pci */ + edge_opts.extra_device_opts = "id=gpio0,addr=04.0,chardev=chr-vhost-user-test"; + add_qpci_address(&edge_opts, &addr); + qos_node_create_driver("vhost-user-gpio-pci", virtio_gpio_pci_create); + qos_node_consumes("vhost-user-gpio-pci", "pci-bus", &edge_opts); + qos_node_produces("vhost-user-gpio-pci", "vhost-user-gpio"); +} + +libqos_init(virtio_gpio_register_nodes); diff --git a/tests/qtest/libqos/virtio-gpio.h b/tests/qtest/libqos/virtio-gpio.h new file mode 100644 index 0000000000..f11d41bd19 --- /dev/null +++ b/tests/qtest/libqos/virtio-gpio.h @@ -0,0 +1,35 @@ +/* + * virtio-gpio structures + * + * Copyright (c) 2022 Linaro Ltd + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef TESTS_LIBQOS_VIRTIO_GPIO_H +#define TESTS_LIBQOS_VIRTIO_GPIO_H + +#include "qgraph.h" +#include "virtio.h" +#include "virtio-pci.h" + +typedef struct QVhostUserGPIO QVhostUserGPIO; +typedef struct QVhostUserGPIOPCI QVhostUserGPIOPCI; +typedef struct QVhostUserGPIODevice QVhostUserGPIODevice; + +struct QVhostUserGPIO { + QVirtioDevice *vdev; + QVirtQueue **queues; +}; + +struct QVhostUserGPIOPCI { + QVirtioPCIDevice pci_vdev; + QVhostUserGPIO gpio; +}; + +struct QVhostUserGPIODevice { + QOSGraphObject obj; + QVhostUserGPIO gpio; +}; + +#endif diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c index 03056e5187..410513225f 100644 --- a/tests/qtest/libqos/virtio.c +++ b/tests/qtest/libqos/virtio.c @@ -110,7 +110,7 @@ void qvirtio_set_features(QVirtioDevice *d, uint64_t features) * This could be a separate function for drivers that want to access * configuration space before setting FEATURES_OK, but no existing users * need that and it's less code for callers if this is done implicitly. - */ + */ if (features & (1ull << VIRTIO_F_VERSION_1)) { uint8_t status = d->bus->get_status(d) | VIRTIO_CONFIG_S_FEATURES_OK; diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 4f4fcc09f5..e8d2da7228 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -32,6 +32,7 @@ #include "standard-headers/linux/vhost_types.h" #include "standard-headers/linux/virtio_ids.h" #include "standard-headers/linux/virtio_net.h" +#include "standard-headers/linux/virtio_gpio.h" #ifdef CONFIG_LINUX #include @@ -53,9 +54,12 @@ #define VHOST_MAX_VIRTQUEUES 0x100 #define VHOST_USER_F_PROTOCOL_FEATURES 30 +#define VIRTIO_F_VERSION_1 32 + #define VHOST_USER_PROTOCOL_F_MQ 0 #define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1 #define VHOST_USER_PROTOCOL_F_CROSS_ENDIAN 6 +#define VHOST_USER_PROTOCOL_F_CONFIG 9 #define VHOST_LOG_PAGE 0x1000 @@ -140,6 +144,7 @@ enum { enum { VHOST_USER_NET, + VHOST_USER_GPIO, }; typedef struct TestServer { @@ -198,6 +203,19 @@ static void append_vhost_net_opts(TestServer *s, GString *cmd_line, chr_opts, s->chr_name); } +/* + * For GPIO there are no other magic devices we need to add (like + * block or netdev) so all we need to worry about is the vhost-user + * chardev socket. + */ +static void append_vhost_gpio_opts(TestServer *s, GString *cmd_line, + const char *chr_opts) +{ + g_string_append_printf(cmd_line, QEMU_CMD_CHR, + s->chr_name, s->socket_path, + chr_opts); +} + static void append_mem_opts(TestServer *server, GString *cmd_line, int size, enum test_memfd memfd) { @@ -1090,3 +1108,51 @@ static void register_vhost_user_test(void) test_multiqueue, &opts); } libqos_init(register_vhost_user_test); + +static uint64_t vu_gpio_get_features(TestServer *s) +{ + return 0x1ULL << VIRTIO_F_VERSION_1 | + 0x1ULL << VIRTIO_GPIO_F_IRQ | + 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; +} + +/* + * This stub can't handle all the message types but we should reply + * that we support VHOST_USER_PROTOCOL_F_CONFIG as gpio would use it + * talking to a read vhost-user daemon. + */ +static void vu_gpio_get_protocol_features(TestServer *s, CharBackend *chr, + VhostUserMsg *msg) +{ + /* send back features to qemu */ + msg->flags |= VHOST_USER_REPLY_MASK; + msg->size = sizeof(m.payload.u64); + msg->payload.u64 = 1ULL << VHOST_USER_PROTOCOL_F_CONFIG; + + qemu_chr_fe_write_all(chr, (uint8_t *)msg, VHOST_USER_HDR_SIZE + msg->size); +} + +static struct vhost_user_ops g_vu_gpio_ops = { + .type = VHOST_USER_GPIO, + + .append_opts = append_vhost_gpio_opts, + + .get_features = vu_gpio_get_features, + .set_features = vu_net_set_features, + .get_protocol_features = vu_gpio_get_protocol_features, +}; + +static void register_vhost_gpio_test(void) +{ + QOSGraphTestOptions opts = { + .before = vhost_user_test_setup, + .subprocess = true, + .arg = &g_vu_gpio_ops, + }; + + qemu_add_opts(&qemu_chardev_opts); + + qos_add_test("read-guest-mem/memfile", + "vhost-user-gpio", test_read_guest_mem, &opts); +} +libqos_init(register_vhost_gpio_test); -- cgit v1.2.3 From d74c30c81159d703fb4e1caa0ec6772ff89dd02f Mon Sep 17 00:00:00 2001 From: Daniil Tatianin Date: Tue, 6 Sep 2022 10:31:07 +0300 Subject: virtio: introduce VirtIOConfigSizeParams & virtio_get_config_size This is the first step towards moving all device config size calculation logic into the virtio core code. In particular, this adds a struct that contains all the necessary information for common virtio code to be able to calculate the final config size for a device. This is expected to be used with the new virtio_get_config_size helper, which calculates the final length based on the provided host features. This builds on top of already existing code like VirtIOFeature and virtio_feature_get_config_size(), but adds additional fields, as well as sanity checking so that device-specifc code doesn't have to duplicate it. An example usage would be: static const VirtIOFeature dev_features[] = { {.flags = 1ULL << FEATURE_1_BIT, .end = endof(struct virtio_dev_config, feature_1)}, {.flags = 1ULL << FEATURE_2_BIT, .end = endof(struct virtio_dev_config, feature_2)}, {} }; static const VirtIOConfigSizeParams dev_cfg_size_params = { .min_size = DEV_BASE_CONFIG_SIZE, .max_size = sizeof(struct virtio_dev_config), .feature_sizes = dev_features }; // code inside my_dev_device_realize() size_t config_size = virtio_get_config_size(&dev_cfg_size_params, host_features); virtio_init(vdev, VIRTIO_ID_MYDEV, config_size); Currently every device is expected to write its own boilerplate from the example above in device_realize(), however, the next step of this transition is moving VirtIOConfigSizeParams into VirtioDeviceClass, so that it can be done automatically by the virtio initialization code. All of the users of virtio_feature_get_config_size have been converted to use virtio_get_config_size so it's no longer needed and is removed with this commit. Signed-off-by: Daniil Tatianin Message-Id: <20220906073111.353245-2-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/block/virtio-blk.c | 16 +++++++--------- hw/net/virtio-net.c | 9 +++++++-- hw/virtio/virtio.c | 10 ++++++---- include/hw/virtio/virtio.h | 10 ++++++++-- 4 files changed, 28 insertions(+), 17 deletions(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index e9ba752f6b..10c47c2934 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -49,13 +49,11 @@ static const VirtIOFeature feature_sizes[] = { {} }; -static void virtio_blk_set_config_size(VirtIOBlock *s, uint64_t host_features) -{ - s->config_size = MAX(VIRTIO_BLK_CFG_SIZE, - virtio_feature_get_config_size(feature_sizes, host_features)); - - assert(s->config_size <= sizeof(struct virtio_blk_config)); -} +static const VirtIOConfigSizeParams cfg_size_params = { + .min_size = VIRTIO_BLK_CFG_SIZE, + .max_size = sizeof(struct virtio_blk_config), + .feature_sizes = feature_sizes +}; static void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq, VirtIOBlockReq *req) @@ -1204,8 +1202,8 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) return; } - virtio_blk_set_config_size(s, s->host_features); - + s->config_size = virtio_get_config_size(&cfg_size_params, + s->host_features); virtio_init(vdev, VIRTIO_ID_BLOCK, s->config_size); s->blk = conf->conf.blk; diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 63a8332cd0..e9f696b4cf 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -106,6 +106,12 @@ static const VirtIOFeature feature_sizes[] = { {} }; +static const VirtIOConfigSizeParams cfg_size_params = { + .min_size = endof(struct virtio_net_config, mac), + .max_size = sizeof(struct virtio_net_config), + .feature_sizes = feature_sizes +}; + static VirtIONetQueue *virtio_net_get_subqueue(NetClientState *nc) { VirtIONet *n = qemu_get_nic_opaque(nc); @@ -3241,8 +3247,7 @@ static void virtio_net_set_config_size(VirtIONet *n, uint64_t host_features) { virtio_add_feature(&host_features, VIRTIO_NET_F_MAC); - n->config_size = virtio_feature_get_config_size(feature_sizes, - host_features); + n->config_size = virtio_get_config_size(&cfg_size_params, host_features); } void virtio_net_set_netclient_name(VirtIONet *n, const char *name, diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 97a6307c0f..2cc1d7d24a 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3006,11 +3006,12 @@ int virtio_set_features(VirtIODevice *vdev, uint64_t val) return ret; } -size_t virtio_feature_get_config_size(const VirtIOFeature *feature_sizes, - uint64_t host_features) +size_t virtio_get_config_size(const VirtIOConfigSizeParams *params, + uint64_t host_features) { - size_t config_size = 0; - int i; + size_t config_size = params->min_size; + const VirtIOFeature *feature_sizes = params->feature_sizes; + size_t i; for (i = 0; feature_sizes[i].flags != 0; i++) { if (host_features & feature_sizes[i].flags) { @@ -3018,6 +3019,7 @@ size_t virtio_feature_get_config_size(const VirtIOFeature *feature_sizes, } } + assert(config_size <= params->max_size); return config_size; } diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 74e7ad5a92..cecfb7c552 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -49,8 +49,14 @@ typedef struct VirtIOFeature { size_t end; } VirtIOFeature; -size_t virtio_feature_get_config_size(const VirtIOFeature *features, - uint64_t host_features); +typedef struct VirtIOConfigSizeParams { + size_t min_size; + size_t max_size; + const VirtIOFeature *feature_sizes; +} VirtIOConfigSizeParams; + +size_t virtio_get_config_size(const VirtIOConfigSizeParams *params, + uint64_t host_features); typedef struct VirtQueue VirtQueue; -- cgit v1.2.3 From d9cf55a86d315efc9fa07daad72f74f769555183 Mon Sep 17 00:00:00 2001 From: Daniil Tatianin Date: Tue, 6 Sep 2022 10:31:08 +0300 Subject: virtio-blk: move config size params to virtio-blk-common This way we can reuse it for other virtio-blk devices, e.g vhost-user-blk, which currently does not control its config space size dynamically. Signed-off-by: Daniil Tatianin Reviewed-by: Raphael Norwitz Message-Id: <20220906073111.353245-3-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- MAINTAINERS | 2 ++ hw/block/meson.build | 2 +- hw/block/virtio-blk-common.c | 39 +++++++++++++++++++++++++++++++++++ hw/block/virtio-blk.c | 24 ++------------------- include/hw/virtio/virtio-blk-common.h | 20 ++++++++++++++++++ 5 files changed, 64 insertions(+), 23 deletions(-) create mode 100644 hw/block/virtio-blk-common.c create mode 100644 include/hw/virtio/virtio-blk-common.h diff --git a/MAINTAINERS b/MAINTAINERS index d0c0c8a55b..05b75805eb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2030,8 +2030,10 @@ virtio-blk M: Stefan Hajnoczi L: qemu-block@nongnu.org S: Supported +F: hw/block/virtio-blk-common.c F: hw/block/virtio-blk.c F: hw/block/dataplane/* +F: include/hw/virtio/virtio-blk-common.h F: tests/qtest/virtio-blk-test.c T: git https://github.com/stefanha/qemu.git block diff --git a/hw/block/meson.build b/hw/block/meson.build index 2389326112..8ee1f1f850 100644 --- a/hw/block/meson.build +++ b/hw/block/meson.build @@ -16,7 +16,7 @@ softmmu_ss.add(when: 'CONFIG_SWIM', if_true: files('swim.c')) softmmu_ss.add(when: 'CONFIG_XEN', if_true: files('xen-block.c')) softmmu_ss.add(when: 'CONFIG_TC58128', if_true: files('tc58128.c')) -specific_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-blk.c')) +specific_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-blk.c', 'virtio-blk-common.c')) specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-blk.c')) subdir('dataplane') diff --git a/hw/block/virtio-blk-common.c b/hw/block/virtio-blk-common.c new file mode 100644 index 0000000000..ac52d7c176 --- /dev/null +++ b/hw/block/virtio-blk-common.c @@ -0,0 +1,39 @@ +/* + * Virtio Block Device common helpers + * + * Copyright IBM, Corp. 2007 + * + * Authors: + * Anthony Liguori + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" + +#include "standard-headers/linux/virtio_blk.h" +#include "hw/virtio/virtio.h" +#include "hw/virtio/virtio-blk-common.h" + +/* Config size before the discard support (hide associated config fields) */ +#define VIRTIO_BLK_CFG_SIZE offsetof(struct virtio_blk_config, \ + max_discard_sectors) + +/* + * Starting from the discard feature, we can use this array to properly + * set the config size depending on the features enabled. + */ +static const VirtIOFeature feature_sizes[] = { + {.flags = 1ULL << VIRTIO_BLK_F_DISCARD, + .end = endof(struct virtio_blk_config, discard_sector_alignment)}, + {.flags = 1ULL << VIRTIO_BLK_F_WRITE_ZEROES, + .end = endof(struct virtio_blk_config, write_zeroes_may_unmap)}, + {} +}; + +const VirtIOConfigSizeParams virtio_blk_cfg_size_params = { + .min_size = VIRTIO_BLK_CFG_SIZE, + .max_size = sizeof(struct virtio_blk_config), + .feature_sizes = feature_sizes +}; diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 10c47c2934..8131ec2dbc 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -32,29 +32,9 @@ #include "hw/virtio/virtio-bus.h" #include "migration/qemu-file-types.h" #include "hw/virtio/virtio-access.h" +#include "hw/virtio/virtio-blk-common.h" #include "qemu/coroutine.h" -/* Config size before the discard support (hide associated config fields) */ -#define VIRTIO_BLK_CFG_SIZE offsetof(struct virtio_blk_config, \ - max_discard_sectors) -/* - * Starting from the discard feature, we can use this array to properly - * set the config size depending on the features enabled. - */ -static const VirtIOFeature feature_sizes[] = { - {.flags = 1ULL << VIRTIO_BLK_F_DISCARD, - .end = endof(struct virtio_blk_config, discard_sector_alignment)}, - {.flags = 1ULL << VIRTIO_BLK_F_WRITE_ZEROES, - .end = endof(struct virtio_blk_config, write_zeroes_may_unmap)}, - {} -}; - -static const VirtIOConfigSizeParams cfg_size_params = { - .min_size = VIRTIO_BLK_CFG_SIZE, - .max_size = sizeof(struct virtio_blk_config), - .feature_sizes = feature_sizes -}; - static void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq, VirtIOBlockReq *req) { @@ -1202,7 +1182,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) return; } - s->config_size = virtio_get_config_size(&cfg_size_params, + s->config_size = virtio_get_config_size(&virtio_blk_cfg_size_params, s->host_features); virtio_init(vdev, VIRTIO_ID_BLOCK, s->config_size); diff --git a/include/hw/virtio/virtio-blk-common.h b/include/hw/virtio/virtio-blk-common.h new file mode 100644 index 0000000000..31daada3e3 --- /dev/null +++ b/include/hw/virtio/virtio-blk-common.h @@ -0,0 +1,20 @@ +/* + * Virtio Block Device common helpers + * + * Copyright IBM, Corp. 2007 + * + * Authors: + * Anthony Liguori + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + */ + +#ifndef VIRTIO_BLK_COMMON_H +#define VIRTIO_BLK_COMMON_H + +#include "hw/virtio/virtio.h" + +extern const VirtIOConfigSizeParams virtio_blk_cfg_size_params; + +#endif -- cgit v1.2.3 From 246db16d43b664d7fbf1993858fe193feb712978 Mon Sep 17 00:00:00 2001 From: Daniil Tatianin Date: Tue, 6 Sep 2022 10:31:09 +0300 Subject: vhost-user-blk: make it possible to disable write-zeroes/discard It is useful to have the ability to disable these features for compatibility with older VMs that don't have these implemented. Signed-off-by: Daniil Tatianin Reviewed-by: Raphael Norwitz Message-Id: <20220906073111.353245-4-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/block/vhost-user-blk.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 2bba42478d..92bfe56b45 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -259,8 +259,6 @@ static uint64_t vhost_user_blk_get_features(VirtIODevice *vdev, virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE); virtio_add_feature(&features, VIRTIO_BLK_F_FLUSH); virtio_add_feature(&features, VIRTIO_BLK_F_RO); - virtio_add_feature(&features, VIRTIO_BLK_F_DISCARD); - virtio_add_feature(&features, VIRTIO_BLK_F_WRITE_ZEROES); if (s->config_wce) { virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE); @@ -598,6 +596,10 @@ static Property vhost_user_blk_properties[] = { VHOST_USER_BLK_AUTO_NUM_QUEUES), DEFINE_PROP_UINT32("queue-size", VHostUserBlk, queue_size, 128), DEFINE_PROP_BIT("config-wce", VHostUserBlk, config_wce, 0, true), + DEFINE_PROP_BIT64("discard", VHostUserBlk, parent_obj.host_features, + VIRTIO_BLK_F_DISCARD, true), + DEFINE_PROP_BIT64("write-zeroes", VHostUserBlk, parent_obj.host_features, + VIRTIO_BLK_F_WRITE_ZEROES, true), DEFINE_PROP_END_OF_LIST(), }; -- cgit v1.2.3 From f1c25f295dc784a2e8270d94c8d12d8a55a0882c Mon Sep 17 00:00:00 2001 From: Daniil Tatianin Date: Tue, 6 Sep 2022 10:31:10 +0300 Subject: vhost-user-blk: make 'config_wce' part of 'host_features' No reason to have this be a separate field. This also makes it more akin to what the virtio-blk device does. Signed-off-by: Daniil Tatianin Reviewed-by: Raphael Norwitz Message-Id: <20220906073111.353245-5-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/block/vhost-user-blk.c | 6 ++---- include/hw/virtio/vhost-user-blk.h | 1 - 2 files changed, 2 insertions(+), 5 deletions(-) diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 92bfe56b45..aa4831f27a 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -260,9 +260,6 @@ static uint64_t vhost_user_blk_get_features(VirtIODevice *vdev, virtio_add_feature(&features, VIRTIO_BLK_F_FLUSH); virtio_add_feature(&features, VIRTIO_BLK_F_RO); - if (s->config_wce) { - virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE); - } if (s->num_queues > 1) { virtio_add_feature(&features, VIRTIO_BLK_F_MQ); } @@ -595,7 +592,8 @@ static Property vhost_user_blk_properties[] = { DEFINE_PROP_UINT16("num-queues", VHostUserBlk, num_queues, VHOST_USER_BLK_AUTO_NUM_QUEUES), DEFINE_PROP_UINT32("queue-size", VHostUserBlk, queue_size, 128), - DEFINE_PROP_BIT("config-wce", VHostUserBlk, config_wce, 0, true), + DEFINE_PROP_BIT64("config-wce", VHostUserBlk, parent_obj.host_features, + VIRTIO_BLK_F_CONFIG_WCE, true), DEFINE_PROP_BIT64("discard", VHostUserBlk, parent_obj.host_features, VIRTIO_BLK_F_DISCARD, true), DEFINE_PROP_BIT64("write-zeroes", VHostUserBlk, parent_obj.host_features, diff --git a/include/hw/virtio/vhost-user-blk.h b/include/hw/virtio/vhost-user-blk.h index 7c91f15040..ea085ee1ed 100644 --- a/include/hw/virtio/vhost-user-blk.h +++ b/include/hw/virtio/vhost-user-blk.h @@ -34,7 +34,6 @@ struct VHostUserBlk { struct virtio_blk_config blkcfg; uint16_t num_queues; uint32_t queue_size; - uint32_t config_wce; struct vhost_dev dev; struct vhost_inflight *inflight; VhostUserState vhost_user; -- cgit v1.2.3 From 8edd56735baa7f58aa504d0f2c4ed6f893630cce Mon Sep 17 00:00:00 2001 From: Daniil Tatianin Date: Tue, 6 Sep 2022 10:31:11 +0300 Subject: vhost-user-blk: dynamically resize config space based on features Make vhost-user-blk backwards compatible when migrating from older VMs running with modern features turned off, the same way it was done for virtio-blk in 20764be0421c ("virtio-blk: set config size depending on the features enabled") It's currently impossible to migrate from an older VM with vhost-user-blk (with disable-legacy=off) because of errors like this: qemu-system-x86_64: get_pci_config_device: Bad config data: i=0x10 read: 41 device: 1 cmask: ff wmask: 80 w1cmask:0 qemu-system-x86_64: Failed to load PCIDevice:config qemu-system-x86_64: Failed to load virtio-blk:virtio qemu-system-x86_64: error while loading state for instance 0x0 of device '0000:00:05.0:00.0:02.0/virtio-blk' qemu-system-x86_64: load of migration failed: Invalid argument This is caused by the newer (destination) VM requiring a bigger BAR0 alignment because it has to cover a bigger configuration space, which isn't actually needed since those additional config fields are not active (write-zeroes/discard). Signed-off-by: Daniil Tatianin Reviewed-by: Raphael Norwitz Message-Id: <20220906073111.353245-6-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- MAINTAINERS | 2 ++ hw/block/meson.build | 2 +- hw/block/vhost-user-blk.c | 17 ++++++++++------- 3 files changed, 13 insertions(+), 8 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 05b75805eb..8ae2e43c83 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2281,11 +2281,13 @@ S: Maintained F: contrib/vhost-user-blk/ F: contrib/vhost-user-scsi/ F: hw/block/vhost-user-blk.c +F: hw/block/virtio-blk-common.c F: hw/scsi/vhost-user-scsi.c F: hw/virtio/vhost-user-blk-pci.c F: hw/virtio/vhost-user-scsi-pci.c F: include/hw/virtio/vhost-user-blk.h F: include/hw/virtio/vhost-user-scsi.h +F: include/hw/virtio/virtio-blk-common.h vhost-user-gpu M: Marc-André Lureau diff --git a/hw/block/meson.build b/hw/block/meson.build index 8ee1f1f850..1908abd45c 100644 --- a/hw/block/meson.build +++ b/hw/block/meson.build @@ -17,6 +17,6 @@ softmmu_ss.add(when: 'CONFIG_XEN', if_true: files('xen-block.c')) softmmu_ss.add(when: 'CONFIG_TC58128', if_true: files('tc58128.c')) specific_ss.add(when: 'CONFIG_VIRTIO_BLK', if_true: files('virtio-blk.c', 'virtio-blk-common.c')) -specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-blk.c')) +specific_ss.add(when: 'CONFIG_VHOST_USER_BLK', if_true: files('vhost-user-blk.c', 'virtio-blk-common.c')) subdir('dataplane') diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index aa4831f27a..84902dde17 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -23,6 +23,7 @@ #include "hw/qdev-core.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" +#include "hw/virtio/virtio-blk-common.h" #include "hw/virtio/vhost.h" #include "hw/virtio/vhost-user-blk.h" #include "hw/virtio/virtio.h" @@ -63,7 +64,7 @@ static void vhost_user_blk_update_config(VirtIODevice *vdev, uint8_t *config) /* Our num_queues overrides the device backend */ virtio_stw_p(vdev, &s->blkcfg.num_queues, s->num_queues); - memcpy(config, &s->blkcfg, sizeof(struct virtio_blk_config)); + memcpy(config, &s->blkcfg, vdev->config_len); } static void vhost_user_blk_set_config(VirtIODevice *vdev, const uint8_t *config) @@ -92,12 +93,12 @@ static int vhost_user_blk_handle_config_change(struct vhost_dev *dev) { int ret; struct virtio_blk_config blkcfg; + VirtIODevice *vdev = dev->vdev; VHostUserBlk *s = VHOST_USER_BLK(dev->vdev); Error *local_err = NULL; ret = vhost_dev_get_config(dev, (uint8_t *)&blkcfg, - sizeof(struct virtio_blk_config), - &local_err); + vdev->config_len, &local_err); if (ret < 0) { error_report_err(local_err); return ret; @@ -106,7 +107,7 @@ static int vhost_user_blk_handle_config_change(struct vhost_dev *dev) /* valid for resize only */ if (blkcfg.capacity != s->blkcfg.capacity) { s->blkcfg.capacity = blkcfg.capacity; - memcpy(dev->vdev->config, &s->blkcfg, sizeof(struct virtio_blk_config)); + memcpy(dev->vdev->config, &s->blkcfg, vdev->config_len); virtio_notify_config(dev->vdev); } @@ -448,7 +449,7 @@ static int vhost_user_blk_realize_connect(VHostUserBlk *s, Error **errp) assert(s->connected); ret = vhost_dev_get_config(&s->dev, (uint8_t *)&s->blkcfg, - sizeof(struct virtio_blk_config), errp); + s->parent_obj.config_len, errp); if (ret < 0) { qemu_chr_fe_disconnect(&s->chardev); vhost_dev_cleanup(&s->dev); @@ -463,6 +464,7 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp) ERRP_GUARD(); VirtIODevice *vdev = VIRTIO_DEVICE(dev); VHostUserBlk *s = VHOST_USER_BLK(vdev); + size_t config_size; int retries; int i, ret; @@ -493,8 +495,9 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error **errp) return; } - virtio_init(vdev, VIRTIO_ID_BLOCK, - sizeof(struct virtio_blk_config)); + config_size = virtio_get_config_size(&virtio_blk_cfg_size_params, + vdev->host_features); + virtio_init(vdev, VIRTIO_ID_BLOCK, config_size); s->virtqs = g_new(VirtQueue *, s->num_queues); for (i = 0; i < s->num_queues; i++) { -- cgit v1.2.3 From b1b146f53cad89ed51956f67bc5b672348753777 Mon Sep 17 00:00:00 2001 From: Miguel Luis Date: Tue, 20 Sep 2022 16:21:35 +0000 Subject: tests/acpi: virt: allow acpi GTDT changes Step 3 from bios-tables-test.c documented procedure. Signed-off-by: Miguel Luis Message-Id: <20220920162137.75239-2-miguel.luis@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Acked-by: Ani Sinha --- tests/qtest/bios-tables-test-allowed-diff.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..957bd1b4f6 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,4 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/virt/GTDT", +"tests/data/acpi/virt/GTDT.memhp", +"tests/data/acpi/virt/GTDT.numamem", -- cgit v1.2.3 From 5dbc9a27856b7b345c6cbd47eba0d730d9852ce1 Mon Sep 17 00:00:00 2001 From: Miguel Luis Date: Tue, 20 Sep 2022 16:21:36 +0000 Subject: acpi: arm/virt: build_gtdt: fix invalid 64-bit physical addresses Per the ACPI 6.5 specification, on the GTDT Table Structure, the Counter Control Block Address and Counter Read Block Address fields of the GTDT table should be set to 0xFFFFFFFFFFFFFFFF if not provided, rather than 0x0. Fixes: 41041e57085 ("acpi: arm/virt: build_gtdt: use acpi_table_begin()/acpi_table_end() instead of build_header()") Signed-off-by: Miguel Luis Message-Id: <20220920162137.75239-3-miguel.luis@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Ani Sinha --- hw/arm/virt-acpi-build.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9b3aee01bf..13c6e3e468 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -592,8 +592,7 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_table_begin(&table, table_data); /* CntControlBase Physical Address */ - /* FIXME: invalid value, should be 0xFFFFFFFFFFFFFFFF if not impl. ? */ - build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0xFFFFFFFFFFFFFFFF, 8); build_append_int_noprefix(table_data, 0, 4); /* Reserved */ /* * FIXME: clarify comment: @@ -618,7 +617,7 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) /* Non-Secure EL2 timer Flags */ build_append_int_noprefix(table_data, irqflags, 4); /* CntReadBase Physical address */ - build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0xFFFFFFFFFFFFFFFF, 8); /* Platform Timer Count */ build_append_int_noprefix(table_data, 0, 4); /* Platform Timer Offset */ -- cgit v1.2.3 From 0a17270761e7d90a67edadb19c7f6871387931be Mon Sep 17 00:00:00 2001 From: Miguel Luis Date: Tue, 20 Sep 2022 16:21:37 +0000 Subject: tests/acpi: virt: update ACPI GTDT binaries Step 6 & 7 of the bios-tables-test.c documented procedure. Differences between disassembled ASL files for GTDT: @@ -13,14 +13,14 @@ [000h 0000 4] Signature : "GTDT" [Generic Timer Description Table] [004h 0004 4] Table Length : 00000060 [008h 0008 1] Revision : 02 -[009h 0009 1] Checksum : 8C +[009h 0009 1] Checksum : 9C [00Ah 0010 6] Oem ID : "BOCHS " [010h 0016 8] Oem Table ID : "BXPC " [018h 0024 4] Oem Revision : 00000001 [01Ch 0028 4] Asl Compiler ID : "BXPC" [020h 0032 4] Asl Compiler Revision : 00000001 -[024h 0036 8] Counter Block Address : 0000000000000000 +[024h 0036 8] Counter Block Address : FFFFFFFFFFFFFFFF [02Ch 0044 4] Reserved : 00000000 [030h 0048 4] Secure EL1 Interrupt : 0000001D @@ -46,16 +46,16 @@ Trigger Mode : 0 Polarity : 0 Always On : 0 -[050h 0080 8] Counter Read Block Address : 0000000000000000 +[050h 0080 8] Counter Read Block Address : FFFFFFFFFFFFFFFF [058h 0088 4] Platform Timer Count : 00000000 [05Ch 0092 4] Platform Timer Offset : 00000000 Raw Table Data: Length 96 (0x60) - 0000: 47 54 44 54 60 00 00 00 02 8C 42 4F 43 48 53 20 // GTDT`.....BOCHS + 0000: 47 54 44 54 60 00 00 00 02 9C 42 4F 43 48 53 20 // GTDT`.....BOCHS 0010: 42 58 50 43 20 20 20 20 01 00 00 00 42 58 50 43 // BXPC ....BXPC - 0020: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // ................ + 0020: 01 00 00 00 FF FF FF FF FF FF FF FF 00 00 00 00 // ................ 0030: 1D 00 00 00 00 00 00 00 1E 00 00 00 04 00 00 00 // ................ 0040: 1B 00 00 00 00 00 00 00 1A 00 00 00 00 00 00 00 // ................ - 0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 // ................ + 0050: FF FF FF FF FF FF FF FF 00 00 00 00 00 00 00 00 // ................ Signed-off-by: Miguel Luis Message-Id: <20220920162137.75239-4-miguel.luis@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Acked-by: Ani Sinha --- tests/data/acpi/virt/GTDT | Bin 96 -> 96 bytes tests/data/acpi/virt/GTDT.memhp | Bin 96 -> 96 bytes tests/data/acpi/virt/GTDT.numamem | Bin 96 -> 96 bytes tests/qtest/bios-tables-test-allowed-diff.h | 3 --- 4 files changed, 3 deletions(-) diff --git a/tests/data/acpi/virt/GTDT b/tests/data/acpi/virt/GTDT index 9408b71b59..6f8cb9b8f3 100644 Binary files a/tests/data/acpi/virt/GTDT and b/tests/data/acpi/virt/GTDT differ diff --git a/tests/data/acpi/virt/GTDT.memhp b/tests/data/acpi/virt/GTDT.memhp index 9408b71b59..6f8cb9b8f3 100644 Binary files a/tests/data/acpi/virt/GTDT.memhp and b/tests/data/acpi/virt/GTDT.memhp differ diff --git a/tests/data/acpi/virt/GTDT.numamem b/tests/data/acpi/virt/GTDT.numamem index 9408b71b59..6f8cb9b8f3 100644 Binary files a/tests/data/acpi/virt/GTDT.numamem and b/tests/data/acpi/virt/GTDT.numamem differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index 957bd1b4f6..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,4 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/virt/GTDT", -"tests/data/acpi/virt/GTDT.memhp", -"tests/data/acpi/virt/GTDT.numamem", -- cgit v1.2.3 From 9c769e04465118601dea96b02c27887bd46cce25 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Fri, 23 Sep 2022 17:18:35 +0100 Subject: mem/cxl-type3: Add sn option to provide serial number for PCI ecap The Device Serial Number Extended Capability PCI r6.0 sec 7.9.3 provides a standard way to provide a device serial number as an IEEE defined 64-bit extended unique identifier EUI-64. CXL 2.0 section 8.1.12.2 Memory Device PCIe Capabilities and Extended Capabilities requires this to be used to uniquely identify CXL memory devices. Signed-off-by: Jonathan Cameron Message-Id: <20220923161835.9805-1-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Ben Widawsky --- hw/mem/cxl_type3.c | 14 +++++++++++++- include/hw/cxl/cxl_device.h | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index ada2108fac..a71bf1afeb 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -14,6 +14,12 @@ #include "sysemu/hostmem.h" #include "hw/cxl/cxl.h" +/* + * Null value of all Fs suggested by IEEE RA guidelines for use of + * EU, OUI and CID + */ +#define UI64_NULL ~(0ULL) + static void build_dvsecs(CXLType3Dev *ct3d) { CXLComponentState *cxl_cstate = &ct3d->cxl_cstate; @@ -149,7 +155,12 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) pci_config_set_class(pci_conf, PCI_CLASS_MEMORY_CXL); pcie_endpoint_cap_init(pci_dev, 0x80); - cxl_cstate->dvsec_offset = 0x100; + if (ct3d->sn != UI64_NULL) { + pcie_dev_ser_num_init(pci_dev, 0x100, ct3d->sn); + cxl_cstate->dvsec_offset = 0x100 + 0x0c; + } else { + cxl_cstate->dvsec_offset = 0x100; + } ct3d->cxl_cstate.pdev = pci_dev; build_dvsecs(ct3d); @@ -275,6 +286,7 @@ static Property ct3_props[] = { HostMemoryBackend *), DEFINE_PROP_LINK("lsa", CXLType3Dev, lsa, TYPE_MEMORY_BACKEND, HostMemoryBackend *), + DEFINE_PROP_UINT64("sn", CXLType3Dev, sn, UI64_NULL), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index 1e141b6621..e4d221cdb3 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -237,6 +237,7 @@ struct CXLType3Dev { /* Properties */ HostMemoryBackend *hostmem; HostMemoryBackend *lsa; + uint64_t sn; /* State */ AddressSpace hostmem_as; -- cgit v1.2.3 From 20ca47429e96df84e7b2e741f740bfce8a813fb2 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Mon, 26 Sep 2022 11:32:06 -0400 Subject: Revert "intel_iommu: Fix irqchip / X2APIC configuration checks" It's true that when vcpus<=255 we don't require the length of 32bit APIC IDs. However here since we already have EIM=ON it means the hypervisor will declare the VM as x2apic supported (e.g. VT-d ECAP register will have EIM bit 4 set), so the guest should assume the APIC IDs are 32bits width even if vcpus<=255. In short, commit 77250171bdc breaks any simple cmdline that wants to boot a VM with >=9 but <=255 vcpus with: -device intel-iommu,intremap=on For anyone who does not want to enable x2apic, we can use eim=off in the intel-iommu parameters to skip enabling KVM x2apic. This partly reverts commit 77250171bdc02aee106083fd2a068147befa1a38, while keeping the valid bit on checking split irqchip, but revert the other change. One thing to mention is that this patch may break migration compatibility of such VM, however that's probably the best thing we can do, because the old behavior was simply wrong and not working for >8 vcpus. For <=8 vcpus, there could be a light guest ABI change (by enabling KVM x2apic after this patch), but logically it shouldn't affect the migration from working. Also, this is not the 1st commit to change x2apic behavior. Igor provided a full history of how this evolved for the past few years: https://lore.kernel.org/qemu-devel/20220922154617.57d1a1fb@redhat.com/ Relevant commits for reference: fb506e701e ("intel_iommu: reject broken EIM", 2016-10-17) c1bb5418e3 ("target/i386: Support up to 32768 CPUs without IRQ remapping", 2020-12-10) 77250171bd ("intel_iommu: Fix irqchip / X2APIC configuration checks", 2022-05-16) dc89f32d92 ("target/i386: Fix sanity check on max APIC ID / X2APIC enablement", 2022-05-16) We may want to have this for stable too (mostly for 7.1.0 only). Adding a fixes tag. Cc: David Woodhouse Cc: Claudio Fontana Cc: Igor Mammedov Fixes: 77250171bd ("intel_iommu: Fix irqchip / X2APIC configuration checks") Signed-off-by: Peter Xu Message-Id: <20220926153206.10881-1-peterx@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Igor Mammedov --- hw/i386/intel_iommu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 05d53a1aa9..6524c2ee32 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -3818,6 +3818,11 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp) error_setg(errp, "eim=on requires accel=kvm,kernel-irqchip=split"); return false; } + if (!kvm_enable_x2apic()) { + error_setg(errp, "eim=on requires support on the KVM side" + "(X2APIC_API, first shipped in v4.7)"); + return false; + } } /* Currently only address widths supported are 39 and 48 bits */ -- cgit v1.2.3 From a5ebce385763447d2ab7cb572914713eedea764a Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:39 -0400 Subject: qmp: add QMP command x-query-virtio This new command lists all the instances of VirtIODevices with their canonical QOM path and name. [Jonah: @virtio_list duplicates information that already exists in the QOM composition tree. However, extracting necessary information from this tree seems to be a bit convoluted. Instead, we still create our own list of realized virtio devices but use @qmp_qom_get with the device's canonical QOM path to confirm that the device exists and is realized. If the device exists but is actually not realized, then we remove it from our list (for synchronicity to the QOM composition tree). Also, the QMP command @x-query-virtio is redundant as @qom-list and @qom-get are sufficient to search '/machine/' for realized virtio devices. However, @x-query-virtio is much more convenient in listing realized virtio devices.] Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-2-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/meson.build | 2 ++ hw/virtio/virtio-stub.c | 14 ++++++++++ hw/virtio/virtio.c | 44 ++++++++++++++++++++++++++++++ include/hw/virtio/virtio.h | 1 + qapi/meson.build | 1 + qapi/qapi-schema.json | 1 + qapi/virtio.json | 68 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qtest/qmp-cmd-test.c | 1 + 8 files changed, 132 insertions(+) create mode 100644 hw/virtio/virtio-stub.c create mode 100644 qapi/virtio.json diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index c14e3db10a..dfed1e7af5 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -62,4 +62,6 @@ virtio_ss.add_all(when: 'CONFIG_VIRTIO_PCI', if_true: virtio_pci_ss) specific_ss.add_all(when: 'CONFIG_VIRTIO', if_true: virtio_ss) softmmu_ss.add_all(when: 'CONFIG_VIRTIO', if_true: softmmu_virtio_ss) softmmu_ss.add(when: 'CONFIG_VIRTIO', if_false: files('vhost-stub.c')) +softmmu_ss.add(when: 'CONFIG_VIRTIO', if_false: files('virtio-stub.c')) softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('vhost-stub.c')) +softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('virtio-stub.c')) diff --git a/hw/virtio/virtio-stub.c b/hw/virtio/virtio-stub.c new file mode 100644 index 0000000000..05a81edc92 --- /dev/null +++ b/hw/virtio/virtio-stub.c @@ -0,0 +1,14 @@ +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-virtio.h" + +static void *qmp_virtio_unsupported(Error **errp) +{ + error_setg(errp, "Virtio is disabled"); + return NULL; +} + +VirtioInfoList *qmp_x_query_virtio(Error **errp) +{ + return qmp_virtio_unsupported(errp); +} diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 2cc1d7d24a..4fc7c80d3f 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -13,12 +13,18 @@ #include "qemu/osdep.h" #include "qapi/error.h" +#include "qapi/qmp/qdict.h" +#include "qapi/qapi-commands-virtio.h" +#include "qapi/qapi-commands-qom.h" +#include "qapi/qapi-visit-virtio.h" +#include "qapi/qmp/qjson.h" #include "cpu.h" #include "trace.h" #include "qemu/error-report.h" #include "qemu/log.h" #include "qemu/main-loop.h" #include "qemu/module.h" +#include "qom/object_interfaces.h" #include "hw/virtio/virtio.h" #include "migration/qemu-file-types.h" #include "qemu/atomic.h" @@ -29,6 +35,9 @@ #include "sysemu/runstate.h" #include "standard-headers/linux/virtio_ids.h" +/* QAPI list of realized VirtIODevices */ +static QTAILQ_HEAD(, VirtIODevice) virtio_list; + /* * The alignment to use between consumer and producer parts of vring. * x86 pagesize again. This is the default, used by transports like PCI @@ -3707,6 +3716,7 @@ static void virtio_device_realize(DeviceState *dev, Error **errp) vdev->listener.commit = virtio_memory_listener_commit; vdev->listener.name = "virtio"; memory_listener_register(&vdev->listener, vdev->dma_as); + QTAILQ_INSERT_TAIL(&virtio_list, vdev, next); } static void virtio_device_unrealize(DeviceState *dev) @@ -3721,6 +3731,7 @@ static void virtio_device_unrealize(DeviceState *dev) vdc->unrealize(dev); } + QTAILQ_REMOVE(&virtio_list, vdev, next); g_free(vdev->bus_name); vdev->bus_name = NULL; } @@ -3894,6 +3905,8 @@ static void virtio_device_class_init(ObjectClass *klass, void *data) vdc->stop_ioeventfd = virtio_device_stop_ioeventfd_impl; vdc->legacy_features |= VIRTIO_LEGACY_FEATURES; + + QTAILQ_INIT(&virtio_list); } bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev) @@ -3904,6 +3917,37 @@ bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev) return virtio_bus_ioeventfd_enabled(vbus); } +VirtioInfoList *qmp_x_query_virtio(Error **errp) +{ + VirtioInfoList *list = NULL; + VirtioInfoList *node; + VirtIODevice *vdev; + + QTAILQ_FOREACH(vdev, &virtio_list, next) { + DeviceState *dev = DEVICE(vdev); + Error *err = NULL; + QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err); + + if (err == NULL) { + GString *is_realized = qobject_to_json_pretty(obj, true); + /* virtio device is NOT realized, remove it from list */ + if (!strncmp(is_realized->str, "false", 4)) { + QTAILQ_REMOVE(&virtio_list, vdev, next); + } else { + node = g_new0(VirtioInfoList, 1); + node->value = g_new(VirtioInfo, 1); + node->value->path = g_strdup(dev->canonical_path); + node->value->name = g_strdup(vdev->name); + QAPI_LIST_PREPEND(list, node->value); + } + g_string_free(is_realized, true); + } + qobject_unref(obj); + } + + return list; +} + static const TypeInfo virtio_device_info = { .name = TYPE_VIRTIO_DEVICE, .parent = TYPE_DEVICE, diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index cecfb7c552..9eeb958e39 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -122,6 +122,7 @@ struct VirtIODevice bool use_guest_notifier_mask; AddressSpace *dma_as; QLIST_HEAD(, VirtQueue) *vector_queues; + QTAILQ_ENTRY(VirtIODevice) next; }; struct VirtioDeviceClass { diff --git a/qapi/meson.build b/qapi/meson.build index 840f1b0e19..9a36c15c04 100644 --- a/qapi/meson.build +++ b/qapi/meson.build @@ -49,6 +49,7 @@ qapi_all_modules = [ 'stats', 'trace', 'transaction', + 'virtio', 'yank', ] if have_system diff --git a/qapi/qapi-schema.json b/qapi/qapi-schema.json index 92d7ecc52c..f000b90744 100644 --- a/qapi/qapi-schema.json +++ b/qapi/qapi-schema.json @@ -94,3 +94,4 @@ { 'include': 'acpi.json' } { 'include': 'pci.json' } { 'include': 'stats.json' } +{ 'include': 'virtio.json' } diff --git a/qapi/virtio.json b/qapi/virtio.json new file mode 100644 index 0000000000..03896e423f --- /dev/null +++ b/qapi/virtio.json @@ -0,0 +1,68 @@ +# -*- Mode: Python -*- +# vim: filetype=python +# + +## +# = Virtio devices +## + +## +# @VirtioInfo: +# +# Basic information about a given VirtIODevice +# +# @path: The VirtIODevice's canonical QOM path +# +# @name: Name of the VirtIODevice +# +# Since: 7.1 +# +## +{ 'struct': 'VirtioInfo', + 'data': { 'path': 'str', + 'name': 'str' } } + +## +# @x-query-virtio: +# +# Returns a list of all realized VirtIODevices +# +# Features: +# @unstable: This command is meant for debugging. +# +# Returns: List of gathered VirtIODevices +# +# Since: 7.1 +# +# Example: +# +# -> { "execute": "x-query-virtio" } +# <- { "return": [ +# { +# "name": "virtio-input", +# "path": "/machine/peripheral-anon/device[4]/virtio-backend" +# }, +# { +# "name": "virtio-crypto", +# "path": "/machine/peripheral/crypto0/virtio-backend" +# }, +# { +# "name": "virtio-scsi", +# "path": "/machine/peripheral-anon/device[2]/virtio-backend" +# }, +# { +# "name": "virtio-net", +# "path": "/machine/peripheral-anon/device[1]/virtio-backend" +# }, +# { +# "name": "virtio-serial", +# "path": "/machine/peripheral-anon/device[0]/virtio-backend" +# } +# ] +# } +# +## + +{ 'command': 'x-query-virtio', + 'returns': [ 'VirtioInfo' ], + 'features': [ 'unstable' ] } diff --git a/tests/qtest/qmp-cmd-test.c b/tests/qtest/qmp-cmd-test.c index af00712458..897e4e937b 100644 --- a/tests/qtest/qmp-cmd-test.c +++ b/tests/qtest/qmp-cmd-test.c @@ -103,6 +103,7 @@ static bool query_is_ignored(const char *cmd) "query-gic-capabilities", /* arm */ /* Success depends on target-specific build configuration: */ "query-pci", /* CONFIG_PCI */ + "x-query-virtio", /* CONFIG_VIRTIO */ /* Success depends on launching SEV guest */ "query-sev-launch-measure", /* Success depends on Host or Hypervisor SEV support */ -- cgit v1.2.3 From 90c066cd6822fb5e892e3daedd0a72b40e33dc30 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:40 -0400 Subject: qmp: add QMP command x-query-virtio-status This new command shows the status of a VirtIODevice, including its corresponding vhost device's status (if active). Next patch will improve output by decoding feature bits, including vhost device's feature bits (backend, protocol, acked, and features). Also will decode status bits of a VirtIODevice. [Jonah: From patch v12; added a check to @virtio_device_find to ensure synchronicity between @virtio_list and the devices in the QOM composition tree.] Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-3-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-stub.c | 5 ++ hw/virtio/virtio.c | 104 +++++++++++++++++++++++ qapi/virtio.json | 222 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 331 insertions(+) diff --git a/hw/virtio/virtio-stub.c b/hw/virtio/virtio-stub.c index 05a81edc92..0b432e8de7 100644 --- a/hw/virtio/virtio-stub.c +++ b/hw/virtio/virtio-stub.c @@ -12,3 +12,8 @@ VirtioInfoList *qmp_x_query_virtio(Error **errp) { return qmp_virtio_unsupported(errp); } + +VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) +{ + return qmp_virtio_unsupported(errp); +} diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 4fc7c80d3f..696e19126a 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3948,6 +3948,110 @@ VirtioInfoList *qmp_x_query_virtio(Error **errp) return list; } +static VirtIODevice *virtio_device_find(const char *path) +{ + VirtIODevice *vdev; + + QTAILQ_FOREACH(vdev, &virtio_list, next) { + DeviceState *dev = DEVICE(vdev); + + if (strcmp(dev->canonical_path, path) != 0) { + continue; + } + + Error *err = NULL; + QObject *obj = qmp_qom_get(dev->canonical_path, "realized", &err); + if (err == NULL) { + GString *is_realized = qobject_to_json_pretty(obj, true); + /* virtio device is NOT realized, remove it from list */ + if (!strncmp(is_realized->str, "false", 4)) { + g_string_free(is_realized, true); + qobject_unref(obj); + QTAILQ_REMOVE(&virtio_list, vdev, next); + return NULL; + } + g_string_free(is_realized, true); + } else { + /* virtio device doesn't exist in QOM tree */ + QTAILQ_REMOVE(&virtio_list, vdev, next); + qobject_unref(obj); + return NULL; + } + /* device exists in QOM tree & is realized */ + qobject_unref(obj); + return vdev; + } + return NULL; +} + +VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) +{ + VirtIODevice *vdev; + VirtioStatus *status; + + vdev = virtio_device_find(path); + if (vdev == NULL) { + error_setg(errp, "Path %s is not a VirtIODevice", path); + return NULL; + } + + status = g_new0(VirtioStatus, 1); + status->name = g_strdup(vdev->name); + status->device_id = vdev->device_id; + status->vhost_started = vdev->vhost_started; + status->guest_features = vdev->guest_features; + status->host_features = vdev->host_features; + status->backend_features = vdev->backend_features; + + switch (vdev->device_endian) { + case VIRTIO_DEVICE_ENDIAN_LITTLE: + status->device_endian = g_strdup("little"); + break; + case VIRTIO_DEVICE_ENDIAN_BIG: + status->device_endian = g_strdup("big"); + break; + default: + status->device_endian = g_strdup("unknown"); + break; + } + + status->num_vqs = virtio_get_num_queues(vdev); + status->status = vdev->status; + status->isr = vdev->isr; + status->queue_sel = vdev->queue_sel; + status->vm_running = vdev->vm_running; + status->broken = vdev->broken; + status->disabled = vdev->disabled; + status->use_started = vdev->use_started; + status->started = vdev->started; + status->start_on_kick = vdev->start_on_kick; + status->disable_legacy_check = vdev->disable_legacy_check; + status->bus_name = g_strdup(vdev->bus_name); + status->use_guest_notifier_mask = vdev->use_guest_notifier_mask; + status->has_vhost_dev = vdev->vhost_started; + + if (vdev->vhost_started) { + VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); + struct vhost_dev *hdev = vdc->get_vhost(vdev); + + status->vhost_dev = g_new0(VhostStatus, 1); + status->vhost_dev->n_mem_sections = hdev->n_mem_sections; + status->vhost_dev->n_tmp_sections = hdev->n_tmp_sections; + status->vhost_dev->nvqs = hdev->nvqs; + status->vhost_dev->vq_index = hdev->vq_index; + status->vhost_dev->features = hdev->features; + status->vhost_dev->acked_features = hdev->acked_features; + status->vhost_dev->backend_features = hdev->backend_features; + status->vhost_dev->protocol_features = hdev->protocol_features; + status->vhost_dev->max_queues = hdev->max_queues; + status->vhost_dev->backend_cap = hdev->backend_cap; + status->vhost_dev->log_enabled = hdev->log_enabled; + status->vhost_dev->log_size = hdev->log_size; + } + + return status; +} + static const TypeInfo virtio_device_info = { .name = TYPE_VIRTIO_DEVICE, .parent = TYPE_DEVICE, diff --git a/qapi/virtio.json b/qapi/virtio.json index 03896e423f..c86b3bc635 100644 --- a/qapi/virtio.json +++ b/qapi/virtio.json @@ -66,3 +66,225 @@ { 'command': 'x-query-virtio', 'returns': [ 'VirtioInfo' ], 'features': [ 'unstable' ] } + +## +# @VhostStatus: +# +# Information about a vhost device. This information will only be +# displayed if the vhost device is active. +# +# @n-mem-sections: vhost_dev n_mem_sections +# +# @n-tmp-sections: vhost_dev n_tmp_sections +# +# @nvqs: vhost_dev nvqs (number of virtqueues being used) +# +# @vq-index: vhost_dev vq_index +# +# @features: vhost_dev features +# +# @acked-features: vhost_dev acked_features +# +# @backend-features: vhost_dev backend_features +# +# @protocol-features: vhost_dev protocol_features +# +# @max-queues: vhost_dev max_queues +# +# @backend-cap: vhost_dev backend_cap +# +# @log-enabled: vhost_dev log_enabled flag +# +# @log-size: vhost_dev log_size +# +# Since: 7.1 +# +## + +{ 'struct': 'VhostStatus', + 'data': { 'n-mem-sections': 'int', + 'n-tmp-sections': 'int', + 'nvqs': 'uint32', + 'vq-index': 'int', + 'features': 'uint64', + 'acked-features': 'uint64', + 'backend-features': 'uint64', + 'protocol-features': 'uint64', + 'max-queues': 'uint64', + 'backend-cap': 'uint64', + 'log-enabled': 'bool', + 'log-size': 'uint64' } } + +## +# @VirtioStatus: +# +# Full status of the virtio device with most VirtIODevice members. +# Also includes the full status of the corresponding vhost device +# if the vhost device is active. +# +# @name: VirtIODevice name +# +# @device-id: VirtIODevice ID +# +# @vhost-started: VirtIODevice vhost_started flag +# +# @guest-features: VirtIODevice guest_features +# +# @host-features: VirtIODevice host_features +# +# @backend-features: VirtIODevice backend_features +# +# @device-endian: VirtIODevice device_endian +# +# @num-vqs: VirtIODevice virtqueue count. This is the number of active +# virtqueues being used by the VirtIODevice. +# +# @status: VirtIODevice configuration status (VirtioDeviceStatus) +# +# @isr: VirtIODevice ISR +# +# @queue-sel: VirtIODevice queue_sel +# +# @vm-running: VirtIODevice vm_running flag +# +# @broken: VirtIODevice broken flag +# +# @disabled: VirtIODevice disabled flag +# +# @use-started: VirtIODevice use_started flag +# +# @started: VirtIODevice started flag +# +# @start-on-kick: VirtIODevice start_on_kick flag +# +# @disable-legacy-check: VirtIODevice disabled_legacy_check flag +# +# @bus-name: VirtIODevice bus_name +# +# @use-guest-notifier-mask: VirtIODevice use_guest_notifier_mask flag +# +# @vhost-dev: Corresponding vhost device info for a given VirtIODevice. +# Present if the given VirtIODevice has an active vhost +# device. +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtioStatus', + 'data': { 'name': 'str', + 'device-id': 'uint16', + 'vhost-started': 'bool', + 'device-endian': 'str', + 'guest-features': 'uint64', + 'host-features': 'uint64', + 'backend-features': 'uint64', + 'num-vqs': 'int', + 'status': 'uint8', + 'isr': 'uint8', + 'queue-sel': 'uint16', + 'vm-running': 'bool', + 'broken': 'bool', + 'disabled': 'bool', + 'use-started': 'bool', + 'started': 'bool', + 'start-on-kick': 'bool', + 'disable-legacy-check': 'bool', + 'bus-name': 'str', + 'use-guest-notifier-mask': 'bool', + '*vhost-dev': 'VhostStatus' } } + +## +# @x-query-virtio-status: +# +# Poll for a comprehensive status of a given virtio device +# +# @path: Canonical QOM path of the VirtIODevice +# +# Features: +# @unstable: This command is meant for debugging. +# +# Returns: VirtioStatus of the virtio device +# +# Since: 7.1 +# +# Examples: +# +# 1. Poll for the status of virtio-crypto (no vhost-crypto active) +# +# -> { "execute": "x-query-virtio-status", +# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend" } +# } +# <- { "return": { +# "device-endian": "little", +# "bus-name": "", +# "disable-legacy-check": false, +# "name": "virtio-crypto", +# "started": true, +# "device-id": 20, +# "backend-features": 0, +# "start-on-kick": false, +# "isr": 1, +# "broken": false, +# "status": 15, +# "num-vqs": 2, +# "guest-features": 5100273664, +# "host-features": 6325010432, +# "use-guest-notifier-mask": true, +# "vm-running": true, +# "queue-sel": 1, +# "disabled": false, +# "vhost-started": false, +# "use-started": true +# } +# } +# +# 2. Poll for the status of virtio-net (vhost-net is active) +# +# -> { "execute": "x-query-virtio-status", +# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend" } +# } +# <- { "return": { +# "device-endian": "little", +# "bus-name": "", +# "disabled-legacy-check": false, +# "name": "virtio-net", +# "started": true, +# "device-id": 1, +# "vhost-dev": { +# "n-tmp-sections": 4, +# "n-mem-sections": 4, +# "max-queues": 1, +# "backend-cap": 2, +# "log-size": 0, +# "backend-features": 0, +# "nvqs": 2, +# "protocol-features": 0, +# "vq-index": 0, +# "log-enabled": false, +# "acked-features": 5100306432, +# "features": 13908344832 +# }, +# "backend-features": 6337593319, +# "start-on-kick": false, +# "isr": 1, +# "broken": false, +# "status": 15, +# "num-vqs": 3, +# "guest-features": 5111807911, +# "host-features": 6337593319, +# "use-guest-notifier-mask": true, +# "vm-running": true, +# "queue-sel": 2, +# "disabled": false, +# "vhost-started": true, +# "use-started": true +# } +# } +# +## + +{ 'command': 'x-query-virtio-status', + 'data': { 'path': 'str' }, + 'returns': 'VirtioStatus', + 'features': [ 'unstable' ] } -- cgit v1.2.3 From f3034ad71fcd0a6a58bc37830f182b307f089159 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:41 -0400 Subject: qmp: decode feature & status bits in virtio-status Display feature names instead of bitmaps for host, guest, and backend for VirtIODevices. Display status names instead of bitmaps for VirtIODevices. Display feature names instead of bitmaps for backend, protocol, acked, and features (hdev->features) for vhost devices. Decode features according to device ID. Decode statuses according to configuration status bitmap (config_status_map). Decode vhost user protocol features according to vhost user protocol bitmap (vhost_user_protocol_map). Transport features are on the first line. Undecoded bits (if any) are stored in a separate field. [Jonah: Several changes made to this patch from prev. version (v14): - Moved all device features mappings to hw/virtio/virtio.c - Renamed device features mappings (less generic) - Generalized @FEATURE_ENTRY macro for all device mappings - Virtio device feature map definitions include descriptions of feature bits - Moved @VHOST_USER_F_PROTOCOL_FEATURES feature bit from transport feature map to vhost-user-supported device feature mappings (blk, fs, i2c, rng, net, gpu, input, scsi, vsock) - New feature bit added for virtio-vsock: @VIRTIO_VSOCK_F_SEQPACKET - New feature bit added for virtio-iommu: @VIRTIO_IOMMU_F_BYPASS_CONFIG - New feature bit added for virtio-mem: @VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE - New virtio transport feature bit added: @VIRTIO_F_IN_ORDER - Added device feature map definition for virtio-rng ] Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-4-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio.c | 643 ++++++++++++++++++++++++++++++++++++++++++++- include/hw/virtio/vhost.h | 3 + include/hw/virtio/virtio.h | 5 + qapi/virtio.json | 251 ++++++++++++++++-- 4 files changed, 874 insertions(+), 28 deletions(-) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 696e19126a..6c530567b0 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -34,10 +34,433 @@ #include "sysemu/dma.h" #include "sysemu/runstate.h" #include "standard-headers/linux/virtio_ids.h" +#include "standard-headers/linux/vhost_types.h" +#include "standard-headers/linux/virtio_blk.h" +#include "standard-headers/linux/virtio_console.h" +#include "standard-headers/linux/virtio_gpu.h" +#include "standard-headers/linux/virtio_net.h" +#include "standard-headers/linux/virtio_scsi.h" +#include "standard-headers/linux/virtio_i2c.h" +#include "standard-headers/linux/virtio_balloon.h" +#include "standard-headers/linux/virtio_iommu.h" +#include "standard-headers/linux/virtio_mem.h" +#include "standard-headers/linux/virtio_vsock.h" +#include CONFIG_DEVICES /* QAPI list of realized VirtIODevices */ static QTAILQ_HEAD(, VirtIODevice) virtio_list; +/* + * Maximum size of virtio device config space + */ +#define VHOST_USER_MAX_CONFIG_SIZE 256 + +#define FEATURE_ENTRY(name, desc) (qmp_virtio_feature_map_t) \ + { .virtio_bit = name, .feature_desc = desc } + +enum VhostUserProtocolFeature { + VHOST_USER_PROTOCOL_F_MQ = 0, + VHOST_USER_PROTOCOL_F_LOG_SHMFD = 1, + VHOST_USER_PROTOCOL_F_RARP = 2, + VHOST_USER_PROTOCOL_F_REPLY_ACK = 3, + VHOST_USER_PROTOCOL_F_NET_MTU = 4, + VHOST_USER_PROTOCOL_F_SLAVE_REQ = 5, + VHOST_USER_PROTOCOL_F_CROSS_ENDIAN = 6, + VHOST_USER_PROTOCOL_F_CRYPTO_SESSION = 7, + VHOST_USER_PROTOCOL_F_PAGEFAULT = 8, + VHOST_USER_PROTOCOL_F_CONFIG = 9, + VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD = 10, + VHOST_USER_PROTOCOL_F_HOST_NOTIFIER = 11, + VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD = 12, + VHOST_USER_PROTOCOL_F_RESET_DEVICE = 13, + VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14, + VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS = 15, + VHOST_USER_PROTOCOL_F_MAX +}; + +/* Virtio transport features mapping */ +static qmp_virtio_feature_map_t virtio_transport_map[] = { + /* Virtio device transport features */ +#ifndef VIRTIO_CONFIG_NO_LEGACY + FEATURE_ENTRY(VIRTIO_F_NOTIFY_ON_EMPTY, \ + "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. " + "descs. on VQ"), + FEATURE_ENTRY(VIRTIO_F_ANY_LAYOUT, \ + "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts"), +#endif /* !VIRTIO_CONFIG_NO_LEGACY */ + FEATURE_ENTRY(VIRTIO_F_VERSION_1, \ + "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)"), + FEATURE_ENTRY(VIRTIO_F_IOMMU_PLATFORM, \ + "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform"), + FEATURE_ENTRY(VIRTIO_F_RING_PACKED, \ + "VIRTIO_F_RING_PACKED: Device supports packed VQ layout"), + FEATURE_ENTRY(VIRTIO_F_IN_ORDER, \ + "VIRTIO_F_IN_ORDER: Device uses buffers in same order as made " + "available by driver"), + FEATURE_ENTRY(VIRTIO_F_ORDER_PLATFORM, \ + "VIRTIO_F_ORDER_PLATFORM: Memory accesses ordered by platform"), + FEATURE_ENTRY(VIRTIO_F_SR_IOV, \ + "VIRTIO_F_SR_IOV: Device supports single root I/O virtualization"), + /* Virtio ring transport features */ + FEATURE_ENTRY(VIRTIO_RING_F_INDIRECT_DESC, \ + "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported"), + FEATURE_ENTRY(VIRTIO_RING_F_EVENT_IDX, \ + "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled"), + { -1, "" } +}; + +/* Vhost-user protocol features mapping */ +static qmp_virtio_feature_map_t vhost_user_protocol_map[] = { + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_MQ, \ + "VHOST_USER_PROTOCOL_F_MQ: Multiqueue protocol supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_LOG_SHMFD, \ + "VHOST_USER_PROTOCOL_F_LOG_SHMFD: Shared log memory fd supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RARP, \ + "VHOST_USER_PROTOCOL_F_RARP: Vhost-user back-end RARP broadcasting " + "supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_REPLY_ACK, \ + "VHOST_USER_PROTOCOL_F_REPLY_ACK: Requested operation status ack. " + "supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_NET_MTU, \ + "VHOST_USER_PROTOCOL_F_NET_MTU: Expose host MTU to guest supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_REQ, \ + "VHOST_USER_PROTOCOL_F_SLAVE_REQ: Socket fd for back-end initiated " + "requests supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CROSS_ENDIAN, \ + "VHOST_USER_PROTOCOL_F_CROSS_ENDIAN: Endianness of VQs for legacy " + "devices supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CRYPTO_SESSION, \ + "VHOST_USER_PROTOCOL_F_CRYPTO_SESSION: Session creation for crypto " + "operations supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_PAGEFAULT, \ + "VHOST_USER_PROTOCOL_F_PAGEFAULT: Request servicing on userfaultfd " + "for accessed pages supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIG, \ + "VHOST_USER_PROTOCOL_F_CONFIG: Vhost-user messaging for virtio " + "device configuration space supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD, \ + "VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD: Slave fd communication " + "channel supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_HOST_NOTIFIER, \ + "VHOST_USER_PROTOCOL_F_HOST_NOTIFIER: Host notifiers for specified " + "VQs supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD, \ + "VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD: Shared inflight I/O buffers " + "supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_RESET_DEVICE, \ + "VHOST_USER_PROTOCOL_F_RESET_DEVICE: Disabling all rings and " + "resetting internal device state supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS, \ + "VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS: In-band messaging " + "supported"), + FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS, \ + "VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS: Configuration for " + "memory slots supported"), + { -1, "" } +}; + +/* virtio device configuration statuses */ +static qmp_virtio_feature_map_t virtio_config_status_map[] = { + FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER_OK, \ + "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready"), + FEATURE_ENTRY(VIRTIO_CONFIG_S_FEATURES_OK, \ + "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete"), + FEATURE_ENTRY(VIRTIO_CONFIG_S_DRIVER, \ + "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device"), + FEATURE_ENTRY(VIRTIO_CONFIG_S_NEEDS_RESET, \ + "VIRTIO_CONFIG_S_NEEDS_RESET: Irrecoverable error, device needs " + "reset"), + FEATURE_ENTRY(VIRTIO_CONFIG_S_FAILED, \ + "VIRTIO_CONFIG_S_FAILED: Error in guest, device failed"), + FEATURE_ENTRY(VIRTIO_CONFIG_S_ACKNOWLEDGE, \ + "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found"), + { -1, "" } +}; + +/* virtio-blk features mapping */ +qmp_virtio_feature_map_t virtio_blk_feature_map[] = { + FEATURE_ENTRY(VIRTIO_BLK_F_SIZE_MAX, \ + "VIRTIO_BLK_F_SIZE_MAX: Max segment size is size_max"), + FEATURE_ENTRY(VIRTIO_BLK_F_SEG_MAX, \ + "VIRTIO_BLK_F_SEG_MAX: Max segments in a request is seg_max"), + FEATURE_ENTRY(VIRTIO_BLK_F_GEOMETRY, \ + "VIRTIO_BLK_F_GEOMETRY: Legacy geometry available"), + FEATURE_ENTRY(VIRTIO_BLK_F_RO, \ + "VIRTIO_BLK_F_RO: Device is read-only"), + FEATURE_ENTRY(VIRTIO_BLK_F_BLK_SIZE, \ + "VIRTIO_BLK_F_BLK_SIZE: Block size of disk available"), + FEATURE_ENTRY(VIRTIO_BLK_F_TOPOLOGY, \ + "VIRTIO_BLK_F_TOPOLOGY: Topology information available"), + FEATURE_ENTRY(VIRTIO_BLK_F_MQ, \ + "VIRTIO_BLK_F_MQ: Multiqueue supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_DISCARD, \ + "VIRTIO_BLK_F_DISCARD: Discard command supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_WRITE_ZEROES, \ + "VIRTIO_BLK_F_WRITE_ZEROES: Write zeroes command supported"), +#ifndef VIRTIO_BLK_NO_LEGACY + FEATURE_ENTRY(VIRTIO_BLK_F_BARRIER, \ + "VIRTIO_BLK_F_BARRIER: Request barriers supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_SCSI, \ + "VIRTIO_BLK_F_SCSI: SCSI packet commands supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_FLUSH, \ + "VIRTIO_BLK_F_FLUSH: Flush command supported"), + FEATURE_ENTRY(VIRTIO_BLK_F_CONFIG_WCE, \ + "VIRTIO_BLK_F_CONFIG_WCE: Cache writeback and writethrough modes " + "supported"), +#endif /* !VIRTIO_BLK_NO_LEGACY */ + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio-serial features mapping */ +qmp_virtio_feature_map_t virtio_serial_feature_map[] = { + FEATURE_ENTRY(VIRTIO_CONSOLE_F_SIZE, \ + "VIRTIO_CONSOLE_F_SIZE: Host providing console size"), + FEATURE_ENTRY(VIRTIO_CONSOLE_F_MULTIPORT, \ + "VIRTIO_CONSOLE_F_MULTIPORT: Multiple ports for device supported"), + FEATURE_ENTRY(VIRTIO_CONSOLE_F_EMERG_WRITE, \ + "VIRTIO_CONSOLE_F_EMERG_WRITE: Emergency write supported"), + { -1, "" } +}; + +/* virtio-gpu features mapping */ +qmp_virtio_feature_map_t virtio_gpu_feature_map[] = { + FEATURE_ENTRY(VIRTIO_GPU_F_VIRGL, \ + "VIRTIO_GPU_F_VIRGL: Virgl 3D mode supported"), + FEATURE_ENTRY(VIRTIO_GPU_F_EDID, \ + "VIRTIO_GPU_F_EDID: EDID metadata supported"), + FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_UUID, \ + "VIRTIO_GPU_F_RESOURCE_UUID: Resource UUID assigning supported"), + FEATURE_ENTRY(VIRTIO_GPU_F_RESOURCE_BLOB, \ + "VIRTIO_GPU_F_RESOURCE_BLOB: Size-based blob resources supported"), + FEATURE_ENTRY(VIRTIO_GPU_F_CONTEXT_INIT, \ + "VIRTIO_GPU_F_CONTEXT_INIT: Context types and synchronization " + "timelines supported"), + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio-input features mapping */ +qmp_virtio_feature_map_t virtio_input_feature_map[] = { + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio-net features mapping */ +qmp_virtio_feature_map_t virtio_net_feature_map[] = { + FEATURE_ENTRY(VIRTIO_NET_F_CSUM, \ + "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum " + "supported"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_CSUM, \ + "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial " + "checksum supported"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS, \ + "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading " + "reconfig. supported"), + FEATURE_ENTRY(VIRTIO_NET_F_MTU, \ + "VIRTIO_NET_F_MTU: Device max MTU reporting supported"), + FEATURE_ENTRY(VIRTIO_NET_F_MAC, \ + "VIRTIO_NET_F_MAC: Device has given MAC address"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO4, \ + "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_TSO6, \ + "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ECN, \ + "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_UFO, \ + "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO"), + FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO4, \ + "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4"), + FEATURE_ENTRY(VIRTIO_NET_F_HOST_TSO6, \ + "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6"), + FEATURE_ENTRY(VIRTIO_NET_F_HOST_ECN, \ + "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN"), + FEATURE_ENTRY(VIRTIO_NET_F_HOST_UFO, \ + "VIRTIO_NET_F_HOST_UFO: Device can receive UFO"), + FEATURE_ENTRY(VIRTIO_NET_F_MRG_RXBUF, \ + "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers"), + FEATURE_ENTRY(VIRTIO_NET_F_STATUS, \ + "VIRTIO_NET_F_STATUS: Configuration status field available"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VQ, \ + "VIRTIO_NET_F_CTRL_VQ: Control channel available"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX, \ + "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_VLAN, \ + "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_RX_EXTRA, \ + "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported"), + FEATURE_ENTRY(VIRTIO_NET_F_GUEST_ANNOUNCE, \ + "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets " + "supported"), + FEATURE_ENTRY(VIRTIO_NET_F_MQ, \ + "VIRTIO_NET_F_MQ: Multiqueue with automatic receive steering " + "supported"), + FEATURE_ENTRY(VIRTIO_NET_F_CTRL_MAC_ADDR, \ + "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control " + "channel"), + FEATURE_ENTRY(VIRTIO_NET_F_HASH_REPORT, \ + "VIRTIO_NET_F_HASH_REPORT: Hash reporting supported"), + FEATURE_ENTRY(VIRTIO_NET_F_RSS, \ + "VIRTIO_NET_F_RSS: RSS RX steering supported"), + FEATURE_ENTRY(VIRTIO_NET_F_RSC_EXT, \ + "VIRTIO_NET_F_RSC_EXT: Extended coalescing info supported"), + FEATURE_ENTRY(VIRTIO_NET_F_STANDBY, \ + "VIRTIO_NET_F_STANDBY: Device acting as standby for primary " + "device with same MAC addr. supported"), + FEATURE_ENTRY(VIRTIO_NET_F_SPEED_DUPLEX, \ + "VIRTIO_NET_F_SPEED_DUPLEX: Device set linkspeed and duplex"), +#ifndef VIRTIO_NET_NO_LEGACY + FEATURE_ENTRY(VIRTIO_NET_F_GSO, \ + "VIRTIO_NET_F_GSO: Handling GSO-type packets supported"), +#endif /* !VIRTIO_NET_NO_LEGACY */ + FEATURE_ENTRY(VHOST_NET_F_VIRTIO_NET_HDR, \ + "VHOST_NET_F_VIRTIO_NET_HDR: Virtio-net headers for RX and TX " + "packets supported"), + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio-scsi features mapping */ +qmp_virtio_feature_map_t virtio_scsi_feature_map[] = { + FEATURE_ENTRY(VIRTIO_SCSI_F_INOUT, \ + "VIRTIO_SCSI_F_INOUT: Requests including read and writable data " + "buffers suppoted"), + FEATURE_ENTRY(VIRTIO_SCSI_F_HOTPLUG, \ + "VIRTIO_SCSI_F_HOTPLUG: Reporting and handling hot-plug events " + "supported"), + FEATURE_ENTRY(VIRTIO_SCSI_F_CHANGE, \ + "VIRTIO_SCSI_F_CHANGE: Reporting and handling LUN changes " + "supported"), + FEATURE_ENTRY(VIRTIO_SCSI_F_T10_PI, \ + "VIRTIO_SCSI_F_T10_PI: T10 info included in request header"), + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio/vhost-user-fs features mapping */ +qmp_virtio_feature_map_t virtio_fs_feature_map[] = { + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio/vhost-user-i2c features mapping */ +qmp_virtio_feature_map_t virtio_i2c_feature_map[] = { + FEATURE_ENTRY(VIRTIO_I2C_F_ZERO_LENGTH_REQUEST, \ + "VIRTIO_I2C_F_ZERO_LEGNTH_REQUEST: Zero length requests supported"), + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio/vhost-vsock features mapping */ +qmp_virtio_feature_map_t virtio_vsock_feature_map[] = { + FEATURE_ENTRY(VIRTIO_VSOCK_F_SEQPACKET, \ + "VIRTIO_VSOCK_F_SEQPACKET: SOCK_SEQPACKET supported"), + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + +/* virtio-balloon features mapping */ +qmp_virtio_feature_map_t virtio_balloon_feature_map[] = { + FEATURE_ENTRY(VIRTIO_BALLOON_F_MUST_TELL_HOST, \ + "VIRTIO_BALLOON_F_MUST_TELL_HOST: Tell host before reclaiming " + "pages"), + FEATURE_ENTRY(VIRTIO_BALLOON_F_STATS_VQ, \ + "VIRTIO_BALLOON_F_STATS_VQ: Guest memory stats VQ available"), + FEATURE_ENTRY(VIRTIO_BALLOON_F_DEFLATE_ON_OOM, \ + "VIRTIO_BALLOON_F_DEFLATE_ON_OOM: Deflate balloon when guest OOM"), + FEATURE_ENTRY(VIRTIO_BALLOON_F_FREE_PAGE_HINT, \ + "VIRTIO_BALLOON_F_FREE_PAGE_HINT: VQ reporting free pages enabled"), + FEATURE_ENTRY(VIRTIO_BALLOON_F_PAGE_POISON, \ + "VIRTIO_BALLOON_F_PAGE_POISON: Guest page poisoning enabled"), + FEATURE_ENTRY(VIRTIO_BALLOON_F_REPORTING, \ + "VIRTIO_BALLOON_F_REPORTING: Page reporting VQ enabled"), + { -1, "" } +}; + +/* virtio-crypto features mapping */ +qmp_virtio_feature_map_t virtio_crypto_feature_map[] = { + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + { -1, "" } +}; + +/* virtio-iommu features mapping */ +qmp_virtio_feature_map_t virtio_iommu_feature_map[] = { + FEATURE_ENTRY(VIRTIO_IOMMU_F_INPUT_RANGE, \ + "VIRTIO_IOMMU_F_INPUT_RANGE: Range of available virtual addrs. " + "available"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_DOMAIN_RANGE, \ + "VIRTIO_IOMMU_F_DOMAIN_RANGE: Number of supported domains " + "available"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_MAP_UNMAP, \ + "VIRTIO_IOMMU_F_MAP_UNMAP: Map and unmap requests available"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS, \ + "VIRTIO_IOMMU_F_BYPASS: Endpoints not attached to domains are in " + "bypass mode"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_PROBE, \ + "VIRTIO_IOMMU_F_PROBE: Probe requests available"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_MMIO, \ + "VIRTIO_IOMMU_F_MMIO: VIRTIO_IOMMU_MAP_F_MMIO flag available"), + FEATURE_ENTRY(VIRTIO_IOMMU_F_BYPASS_CONFIG, \ + "VIRTIO_IOMMU_F_BYPASS_CONFIG: Bypass field of IOMMU config " + "available"), + { -1, "" } +}; + +/* virtio-mem features mapping */ +qmp_virtio_feature_map_t virtio_mem_feature_map[] = { +#ifndef CONFIG_ACPI + FEATURE_ENTRY(VIRTIO_MEM_F_ACPI_PXM, \ + "VIRTIO_MEM_F_ACPI_PXM: node_id is an ACPI PXM and is valid"), +#endif /* !CONFIG_ACPI */ + FEATURE_ENTRY(VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE, \ + "VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE: Unplugged memory cannot be " + "accessed"), + { -1, "" } +}; + +/* virtio-rng features mapping */ +qmp_virtio_feature_map_t virtio_rng_feature_map[] = { + FEATURE_ENTRY(VHOST_F_LOG_ALL, \ + "VHOST_F_LOG_ALL: Logging write descriptors supported"), + FEATURE_ENTRY(VHOST_USER_F_PROTOCOL_FEATURES, \ + "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features " + "negotiation supported"), + { -1, "" } +}; + /* * The alignment to use between consumer and producer parts of vring. * x86 pagesize again. This is the default, used by transports like PCI @@ -3984,6 +4407,203 @@ static VirtIODevice *virtio_device_find(const char *path) return NULL; } +#define CONVERT_FEATURES(type, map, is_status, bitmap) \ + ({ \ + type *list = NULL; \ + type *node; \ + for (i = 0; map[i].virtio_bit != -1; i++) { \ + if (is_status) { \ + bit = map[i].virtio_bit; \ + } \ + else { \ + bit = 1ULL << map[i].virtio_bit; \ + } \ + if ((bitmap & bit) == 0) { \ + continue; \ + } \ + node = g_new0(type, 1); \ + node->value = g_strdup(map[i].feature_desc); \ + node->next = list; \ + list = node; \ + bitmap ^= bit; \ + } \ + list; \ + }) + +static VirtioDeviceStatus *qmp_decode_status(uint8_t bitmap) +{ + VirtioDeviceStatus *status; + uint8_t bit; + int i; + + status = g_new0(VirtioDeviceStatus, 1); + status->statuses = CONVERT_FEATURES(strList, virtio_config_status_map, + 1, bitmap); + status->has_unknown_statuses = bitmap != 0; + if (status->has_unknown_statuses) { + status->unknown_statuses = bitmap; + } + + return status; +} + +static VhostDeviceProtocols *qmp_decode_protocols(uint64_t bitmap) +{ + VhostDeviceProtocols *vhu_protocols; + uint64_t bit; + int i; + + vhu_protocols = g_new0(VhostDeviceProtocols, 1); + vhu_protocols->protocols = + CONVERT_FEATURES(strList, + vhost_user_protocol_map, 0, bitmap); + vhu_protocols->has_unknown_protocols = bitmap != 0; + if (vhu_protocols->has_unknown_protocols) { + vhu_protocols->unknown_protocols = bitmap; + } + + return vhu_protocols; +} + +static VirtioDeviceFeatures *qmp_decode_features(uint16_t device_id, + uint64_t bitmap) +{ + VirtioDeviceFeatures *features; + uint64_t bit; + int i; + + features = g_new0(VirtioDeviceFeatures, 1); + features->has_dev_features = true; + + /* transport features */ + features->transports = CONVERT_FEATURES(strList, virtio_transport_map, 0, + bitmap); + + /* device features */ + switch (device_id) { +#ifdef CONFIG_VIRTIO_SERIAL + case VIRTIO_ID_CONSOLE: + features->dev_features = + CONVERT_FEATURES(strList, virtio_serial_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_BLK + case VIRTIO_ID_BLOCK: + features->dev_features = + CONVERT_FEATURES(strList, virtio_blk_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_GPU + case VIRTIO_ID_GPU: + features->dev_features = + CONVERT_FEATURES(strList, virtio_gpu_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_NET + case VIRTIO_ID_NET: + features->dev_features = + CONVERT_FEATURES(strList, virtio_net_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_SCSI + case VIRTIO_ID_SCSI: + features->dev_features = + CONVERT_FEATURES(strList, virtio_scsi_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_BALLOON + case VIRTIO_ID_BALLOON: + features->dev_features = + CONVERT_FEATURES(strList, virtio_balloon_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_IOMMU + case VIRTIO_ID_IOMMU: + features->dev_features = + CONVERT_FEATURES(strList, virtio_iommu_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_INPUT + case VIRTIO_ID_INPUT: + features->dev_features = + CONVERT_FEATURES(strList, virtio_input_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VHOST_USER_FS + case VIRTIO_ID_FS: + features->dev_features = + CONVERT_FEATURES(strList, virtio_fs_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VHOST_VSOCK + case VIRTIO_ID_VSOCK: + features->dev_features = + CONVERT_FEATURES(strList, virtio_vsock_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_CRYPTO + case VIRTIO_ID_CRYPTO: + features->dev_features = + CONVERT_FEATURES(strList, virtio_crypto_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_MEM + case VIRTIO_ID_MEM: + features->dev_features = + CONVERT_FEATURES(strList, virtio_mem_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_I2C_ADAPTER + case VIRTIO_ID_I2C_ADAPTER: + features->dev_features = + CONVERT_FEATURES(strList, virtio_i2c_feature_map, 0, bitmap); + break; +#endif +#ifdef CONFIG_VIRTIO_RNG + case VIRTIO_ID_RNG: + features->dev_features = + CONVERT_FEATURES(strList, virtio_rng_feature_map, 0, bitmap); + break; +#endif + /* No features */ + case VIRTIO_ID_9P: + case VIRTIO_ID_PMEM: + case VIRTIO_ID_IOMEM: + case VIRTIO_ID_RPMSG: + case VIRTIO_ID_CLOCK: + case VIRTIO_ID_MAC80211_WLAN: + case VIRTIO_ID_MAC80211_HWSIM: + case VIRTIO_ID_RPROC_SERIAL: + case VIRTIO_ID_MEMORY_BALLOON: + case VIRTIO_ID_CAIF: + case VIRTIO_ID_SIGNAL_DIST: + case VIRTIO_ID_PSTORE: + case VIRTIO_ID_SOUND: + case VIRTIO_ID_BT: + case VIRTIO_ID_RPMB: + case VIRTIO_ID_VIDEO_ENCODER: + case VIRTIO_ID_VIDEO_DECODER: + case VIRTIO_ID_SCMI: + case VIRTIO_ID_NITRO_SEC_MOD: + case VIRTIO_ID_WATCHDOG: + case VIRTIO_ID_CAN: + case VIRTIO_ID_DMABUF: + case VIRTIO_ID_PARAM_SERV: + case VIRTIO_ID_AUDIO_POLICY: + case VIRTIO_ID_GPIO: + break; + default: + g_assert_not_reached(); + } + + features->has_unknown_dev_features = bitmap != 0; + if (features->has_unknown_dev_features) { + features->unknown_dev_features = bitmap; + } + + return features; +} + VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) { VirtIODevice *vdev; @@ -3999,9 +4619,12 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) status->name = g_strdup(vdev->name); status->device_id = vdev->device_id; status->vhost_started = vdev->vhost_started; - status->guest_features = vdev->guest_features; - status->host_features = vdev->host_features; - status->backend_features = vdev->backend_features; + status->guest_features = qmp_decode_features(vdev->device_id, + vdev->guest_features); + status->host_features = qmp_decode_features(vdev->device_id, + vdev->host_features); + status->backend_features = qmp_decode_features(vdev->device_id, + vdev->backend_features); switch (vdev->device_endian) { case VIRTIO_DEVICE_ENDIAN_LITTLE: @@ -4016,7 +4639,7 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) } status->num_vqs = virtio_get_num_queues(vdev); - status->status = vdev->status; + status->status = qmp_decode_status(vdev->status); status->isr = vdev->isr; status->queue_sel = vdev->queue_sel; status->vm_running = vdev->vm_running; @@ -4039,10 +4662,14 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) status->vhost_dev->n_tmp_sections = hdev->n_tmp_sections; status->vhost_dev->nvqs = hdev->nvqs; status->vhost_dev->vq_index = hdev->vq_index; - status->vhost_dev->features = hdev->features; - status->vhost_dev->acked_features = hdev->acked_features; - status->vhost_dev->backend_features = hdev->backend_features; - status->vhost_dev->protocol_features = hdev->protocol_features; + status->vhost_dev->features = + qmp_decode_features(vdev->device_id, hdev->features); + status->vhost_dev->acked_features = + qmp_decode_features(vdev->device_id, hdev->acked_features); + status->vhost_dev->backend_features = + qmp_decode_features(vdev->device_id, hdev->backend_features); + status->vhost_dev->protocol_features = + qmp_decode_protocols(hdev->protocol_features); status->vhost_dev->max_queues = hdev->max_queues; status->vhost_dev->backend_cap = hdev->backend_cap; status->vhost_dev->log_enabled = hdev->log_enabled; diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 61b957e927..d7eb557885 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -5,6 +5,9 @@ #include "hw/virtio/virtio.h" #include "exec/memory.h" +#define VHOST_F_DEVICE_IOTLB 63 +#define VHOST_USER_F_PROTOCOL_FEATURES 30 + /* Generic structures common for any vhost based device. */ struct vhost_inflight { diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 9eeb958e39..f41b4a7e64 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -82,6 +82,11 @@ typedef struct VirtQueueElement #define TYPE_VIRTIO_DEVICE "virtio-device" OBJECT_DECLARE_TYPE(VirtIODevice, VirtioDeviceClass, VIRTIO_DEVICE) +typedef struct { + int virtio_bit; + const char *feature_desc; +} qmp_virtio_feature_map_t; + enum virtio_device_endian { VIRTIO_DEVICE_ENDIAN_UNKNOWN, VIRTIO_DEVICE_ENDIAN_LITTLE, diff --git a/qapi/virtio.json b/qapi/virtio.json index c86b3bc635..c9c8201e66 100644 --- a/qapi/virtio.json +++ b/qapi/virtio.json @@ -106,10 +106,10 @@ 'n-tmp-sections': 'int', 'nvqs': 'uint32', 'vq-index': 'int', - 'features': 'uint64', - 'acked-features': 'uint64', - 'backend-features': 'uint64', - 'protocol-features': 'uint64', + 'features': 'VirtioDeviceFeatures', + 'acked-features': 'VirtioDeviceFeatures', + 'backend-features': 'VirtioDeviceFeatures', + 'protocol-features': 'VhostDeviceProtocols', 'max-queues': 'uint64', 'backend-cap': 'uint64', 'log-enabled': 'bool', @@ -176,11 +176,11 @@ 'device-id': 'uint16', 'vhost-started': 'bool', 'device-endian': 'str', - 'guest-features': 'uint64', - 'host-features': 'uint64', - 'backend-features': 'uint64', + 'guest-features': 'VirtioDeviceFeatures', + 'host-features': 'VirtioDeviceFeatures', + 'backend-features': 'VirtioDeviceFeatures', 'num-vqs': 'int', - 'status': 'uint8', + 'status': 'VirtioDeviceStatus', 'isr': 'uint8', 'queue-sel': 'uint16', 'vm-running': 'bool', @@ -222,14 +222,41 @@ # "name": "virtio-crypto", # "started": true, # "device-id": 20, -# "backend-features": 0, +# "backend-features": { +# "transports": [], +# "dev-features": [] +# }, # "start-on-kick": false, # "isr": 1, # "broken": false, -# "status": 15, +# "status": { +# "statuses": [ +# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found", +# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device", +# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete", +# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready" +# ] +# }, # "num-vqs": 2, -# "guest-features": 5100273664, -# "host-features": 6325010432, +# "guest-features": { +# "dev-features": [], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)" +# ] +# }, +# "host-features": { +# "unknown-dev-features": 1073741824, +# "dev-features": [], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)", +# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts", +# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ" +# ] +# }, # "use-guest-notifier-mask": true, # "vm-running": true, # "queue-sel": 1, @@ -257,22 +284,147 @@ # "max-queues": 1, # "backend-cap": 2, # "log-size": 0, -# "backend-features": 0, +# "backend-features": { +# "dev-features": [], +# "transports": [] +# }, # "nvqs": 2, -# "protocol-features": 0, +# "protocol-features": { +# "protocols": [] +# }, # "vq-index": 0, # "log-enabled": false, -# "acked-features": 5100306432, -# "features": 13908344832 +# "acked-features": { +# "dev-features": [ +# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers" +# ], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)" +# ] +# }, +# "features": { +# "dev-features": [ +# "VHOST_F_LOG_ALL: Logging write descriptors supported", +# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers" +# ], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_IOMMU_PLATFORM: Device can be used on IOMMU platform", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)", +# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts", +# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ" +# ] +# } +# }, +# "backend-features": { +# "dev-features": [ +# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported", +# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported", +# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel", +# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported", +# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported", +# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported", +# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported", +# "VIRTIO_NET_F_CTRL_VQ: Control channel available", +# "VIRTIO_NET_F_STATUS: Configuration status field available", +# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers", +# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO", +# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN", +# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6", +# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4", +# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO", +# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN", +# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6", +# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4", +# "VIRTIO_NET_F_MAC: Device has given MAC address", +# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported", +# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported", +# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported" +# ], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)", +# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts", +# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ" +# ] # }, -# "backend-features": 6337593319, # "start-on-kick": false, # "isr": 1, # "broken": false, -# "status": 15, +# "status": { +# "statuses": [ +# "VIRTIO_CONFIG_S_ACKNOWLEDGE: Valid virtio device found", +# "VIRTIO_CONFIG_S_DRIVER: Guest OS compatible with device", +# "VIRTIO_CONFIG_S_FEATURES_OK: Feature negotiation complete", +# "VIRTIO_CONFIG_S_DRIVER_OK: Driver setup and ready" +# ] +# }, # "num-vqs": 3, -# "guest-features": 5111807911, -# "host-features": 6337593319, +# "guest-features": { +# "dev-features": [ +# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel", +# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported", +# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported", +# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported", +# "VIRTIO_NET_F_CTRL_VQ: Control channel available", +# "VIRTIO_NET_F_STATUS: Configuration status field available", +# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers", +# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO", +# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN", +# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6", +# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4", +# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO", +# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN", +# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6", +# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4", +# "VIRTIO_NET_F_MAC: Device has given MAC address", +# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported", +# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported", +# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported" +# ], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)" +# ] +# }, +# "host-features": { +# "dev-features": [ +# "VHOST_USER_F_PROTOCOL_FEATURES: Vhost-user protocol features negotation supported", +# "VIRTIO_NET_F_GSO: Handling GSO-type packets supported", +# "VIRTIO_NET_F_CTRL_MAC_ADDR: MAC address set through control channel", +# "VIRTIO_NET_F_GUEST_ANNOUNCE: Driver sending gratuitous packets supported", +# "VIRTIO_NET_F_CTRL_RX_EXTRA: Extra RX mode control supported", +# "VIRTIO_NET_F_CTRL_VLAN: Control channel VLAN filtering supported", +# "VIRTIO_NET_F_CTRL_RX: Control channel RX mode supported", +# "VIRTIO_NET_F_CTRL_VQ: Control channel available", +# "VIRTIO_NET_F_STATUS: Configuration status field available", +# "VIRTIO_NET_F_MRG_RXBUF: Driver can merge receive buffers", +# "VIRTIO_NET_F_HOST_UFO: Device can receive UFO", +# "VIRTIO_NET_F_HOST_ECN: Device can receive TSO with ECN", +# "VIRTIO_NET_F_HOST_TSO6: Device can receive TSOv6", +# "VIRTIO_NET_F_HOST_TSO4: Device can receive TSOv4", +# "VIRTIO_NET_F_GUEST_UFO: Driver can receive UFO", +# "VIRTIO_NET_F_GUEST_ECN: Driver can receive TSO with ECN", +# "VIRTIO_NET_F_GUEST_TSO6: Driver can receive TSOv6", +# "VIRTIO_NET_F_GUEST_TSO4: Driver can receive TSOv4", +# "VIRTIO_NET_F_MAC: Device has given MAC address", +# "VIRTIO_NET_F_CTRL_GUEST_OFFLOADS: Control channel offloading reconfig. supported", +# "VIRTIO_NET_F_GUEST_CSUM: Driver handling packets with partial checksum supported", +# "VIRTIO_NET_F_CSUM: Device handling packets with partial checksum supported" +# ], +# "transports": [ +# "VIRTIO_RING_F_EVENT_IDX: Used & avail. event fields enabled", +# "VIRTIO_RING_F_INDIRECT_DESC: Indirect descriptors supported", +# "VIRTIO_F_VERSION_1: Device compliant for v1 spec (legacy)", +# "VIRTIO_F_ANY_LAYOUT: Device accepts arbitrary desc. layouts", +# "VIRTIO_F_NOTIFY_ON_EMPTY: Notify when device runs out of avail. descs. on VQ" +# ] +# }, # "use-guest-notifier-mask": true, # "vm-running": true, # "queue-sel": 2, @@ -288,3 +440,62 @@ 'data': { 'path': 'str' }, 'returns': 'VirtioStatus', 'features': [ 'unstable' ] } + +## +# @VirtioDeviceStatus: +# +# A structure defined to list the configuration statuses of a virtio +# device +# +# @statuses: List of decoded configuration statuses of the virtio +# device +# +# @unknown-statuses: Virtio device statuses bitmap that have not been decoded +# +# Since: 7.1 +## + +{ 'struct': 'VirtioDeviceStatus', + 'data': { 'statuses': [ 'str' ], + '*unknown-statuses': 'uint8' } } + +## +# @VhostDeviceProtocols: +# +# A structure defined to list the vhost user protocol features of a +# Vhost User device +# +# @protocols: List of decoded vhost user protocol features of a vhost +# user device +# +# @unknown-protocols: Vhost user device protocol features bitmap that +# have not been decoded +# +# Since: 7.1 +## + +{ 'struct': 'VhostDeviceProtocols', + 'data': { 'protocols': [ 'str' ], + '*unknown-protocols': 'uint64' } } + +## +# @VirtioDeviceFeatures: +# +# The common fields that apply to most Virtio devices. Some devices +# may not have their own device-specific features (e.g. virtio-rng). +# +# @transports: List of transport features of the virtio device +# +# @dev-features: List of device-specific features (if the device has +# unique features) +# +# @unknown-dev-features: Virtio device features bitmap that have not +# been decoded +# +# Since: 7.1 +## + +{ 'struct': 'VirtioDeviceFeatures', + 'data': { 'transports': [ 'str' ], + '*dev-features': [ 'str' ], + '*unknown-dev-features': 'uint64' } } -- cgit v1.2.3 From 07536ddda73a07bba6da8087fed5dd5a02320b11 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:42 -0400 Subject: qmp: add QMP commands for virtio/vhost queue-status These new commands show the internal status of a VirtIODevice's VirtQueue and a vhost device's vhost_virtqueue (if active). Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-5-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-stub.c | 14 +++ hw/virtio/virtio.c | 103 +++++++++++++++++++ qapi/virtio.json | 256 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 373 insertions(+) diff --git a/hw/virtio/virtio-stub.c b/hw/virtio/virtio-stub.c index 0b432e8de7..13e5f93652 100644 --- a/hw/virtio/virtio-stub.c +++ b/hw/virtio/virtio-stub.c @@ -17,3 +17,17 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) { return qmp_virtio_unsupported(errp); } + +VirtVhostQueueStatus *qmp_x_query_virtio_vhost_queue_status(const char *path, + uint16_t queue, + Error **errp) +{ + return qmp_virtio_unsupported(errp); +} + +VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path, + uint16_t queue, + Error **errp) +{ + return qmp_virtio_unsupported(errp); +} diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 6c530567b0..da869e7b51 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -4679,6 +4679,109 @@ VirtioStatus *qmp_x_query_virtio_status(const char *path, Error **errp) return status; } +VirtVhostQueueStatus *qmp_x_query_virtio_vhost_queue_status(const char *path, + uint16_t queue, + Error **errp) +{ + VirtIODevice *vdev; + VirtVhostQueueStatus *status; + + vdev = virtio_device_find(path); + if (vdev == NULL) { + error_setg(errp, "Path %s is not a VirtIODevice", path); + return NULL; + } + + if (!vdev->vhost_started) { + error_setg(errp, "Error: vhost device has not started yet"); + return NULL; + } + + VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); + struct vhost_dev *hdev = vdc->get_vhost(vdev); + + if (queue < hdev->vq_index || queue >= hdev->vq_index + hdev->nvqs) { + error_setg(errp, "Invalid vhost virtqueue number %d", queue); + return NULL; + } + + status = g_new0(VirtVhostQueueStatus, 1); + status->name = g_strdup(vdev->name); + status->kick = hdev->vqs[queue].kick; + status->call = hdev->vqs[queue].call; + status->desc = (uintptr_t)hdev->vqs[queue].desc; + status->avail = (uintptr_t)hdev->vqs[queue].avail; + status->used = (uintptr_t)hdev->vqs[queue].used; + status->num = hdev->vqs[queue].num; + status->desc_phys = hdev->vqs[queue].desc_phys; + status->desc_size = hdev->vqs[queue].desc_size; + status->avail_phys = hdev->vqs[queue].avail_phys; + status->avail_size = hdev->vqs[queue].avail_size; + status->used_phys = hdev->vqs[queue].used_phys; + status->used_size = hdev->vqs[queue].used_size; + + return status; +} + +VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path, + uint16_t queue, + Error **errp) +{ + VirtIODevice *vdev; + VirtQueueStatus *status; + + vdev = virtio_device_find(path); + if (vdev == NULL) { + error_setg(errp, "Path %s is not a VirtIODevice", path); + return NULL; + } + + if (queue >= VIRTIO_QUEUE_MAX || !virtio_queue_get_num(vdev, queue)) { + error_setg(errp, "Invalid virtqueue number %d", queue); + return NULL; + } + + status = g_new0(VirtQueueStatus, 1); + status->name = g_strdup(vdev->name); + status->queue_index = vdev->vq[queue].queue_index; + status->inuse = vdev->vq[queue].inuse; + status->vring_num = vdev->vq[queue].vring.num; + status->vring_num_default = vdev->vq[queue].vring.num_default; + status->vring_align = vdev->vq[queue].vring.align; + status->vring_desc = vdev->vq[queue].vring.desc; + status->vring_avail = vdev->vq[queue].vring.avail; + status->vring_used = vdev->vq[queue].vring.used; + status->used_idx = vdev->vq[queue].used_idx; + status->signalled_used = vdev->vq[queue].signalled_used; + status->signalled_used_valid = vdev->vq[queue].signalled_used_valid; + + if (vdev->vhost_started) { + VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); + struct vhost_dev *hdev = vdc->get_vhost(vdev); + + /* check if vq index exists for vhost as well */ + if (queue >= hdev->vq_index && queue < hdev->vq_index + hdev->nvqs) { + status->has_last_avail_idx = true; + + int vhost_vq_index = + hdev->vhost_ops->vhost_get_vq_index(hdev, queue); + struct vhost_vring_state state = { + .index = vhost_vq_index, + }; + + status->last_avail_idx = + hdev->vhost_ops->vhost_get_vring_base(hdev, &state); + } + } else { + status->has_shadow_avail_idx = true; + status->has_last_avail_idx = true; + status->last_avail_idx = vdev->vq[queue].last_avail_idx; + status->shadow_avail_idx = vdev->vq[queue].shadow_avail_idx; + } + + return status; +} + static const TypeInfo virtio_device_info = { .name = TYPE_VIRTIO_DEVICE, .parent = TYPE_DEVICE, diff --git a/qapi/virtio.json b/qapi/virtio.json index c9c8201e66..d9050f3584 100644 --- a/qapi/virtio.json +++ b/qapi/virtio.json @@ -499,3 +499,259 @@ 'data': { 'transports': [ 'str' ], '*dev-features': [ 'str' ], '*unknown-dev-features': 'uint64' } } + +## +# @VirtQueueStatus: +# +# Information of a VirtIODevice VirtQueue, including most members of +# the VirtQueue data structure. +# +# @name: Name of the VirtIODevice that uses this VirtQueue +# +# @queue-index: VirtQueue queue_index +# +# @inuse: VirtQueue inuse +# +# @vring-num: VirtQueue vring.num +# +# @vring-num-default: VirtQueue vring.num_default +# +# @vring-align: VirtQueue vring.align +# +# @vring-desc: VirtQueue vring.desc (descriptor area) +# +# @vring-avail: VirtQueue vring.avail (driver area) +# +# @vring-used: VirtQueue vring.used (device area) +# +# @last-avail-idx: VirtQueue last_avail_idx or return of vhost_dev +# vhost_get_vring_base (if vhost active) +# +# @shadow-avail-idx: VirtQueue shadow_avail_idx +# +# @used-idx: VirtQueue used_idx +# +# @signalled-used: VirtQueue signalled_used +# +# @signalled-used-valid: VirtQueue signalled_used_valid flag +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtQueueStatus', + 'data': { 'name': 'str', + 'queue-index': 'uint16', + 'inuse': 'uint32', + 'vring-num': 'uint32', + 'vring-num-default': 'uint32', + 'vring-align': 'uint32', + 'vring-desc': 'uint64', + 'vring-avail': 'uint64', + 'vring-used': 'uint64', + '*last-avail-idx': 'uint16', + '*shadow-avail-idx': 'uint16', + 'used-idx': 'uint16', + 'signalled-used': 'uint16', + 'signalled-used-valid': 'bool' } } + +## +# @x-query-virtio-queue-status: +# +# Return the status of a given VirtIODevice's VirtQueue +# +# @path: VirtIODevice canonical QOM path +# +# @queue: VirtQueue index to examine +# +# Features: +# @unstable: This command is meant for debugging. +# +# Returns: VirtQueueStatus of the VirtQueue +# +# Notes: last_avail_idx will not be displayed in the case where +# the selected VirtIODevice has a running vhost device and +# the VirtIODevice VirtQueue index (queue) does not exist for +# the corresponding vhost device vhost_virtqueue. Also, +# shadow_avail_idx will not be displayed in the case where +# the selected VirtIODevice has a running vhost device. +# +# Since: 7.1 +# +# Examples: +# +# 1. Get VirtQueueStatus for virtio-vsock (vhost-vsock running) +# +# -> { "execute": "x-query-virtio-queue-status", +# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend", +# "queue": 1 } +# } +# <- { "return": { +# "signalled-used": 0, +# "inuse": 0, +# "name": "vhost-vsock", +# "vring-align": 4096, +# "vring-desc": 5217370112, +# "signalled-used-valid": false, +# "vring-num-default": 128, +# "vring-avail": 5217372160, +# "queue-index": 1, +# "last-avail-idx": 0, +# "vring-used": 5217372480, +# "used-idx": 0, +# "vring-num": 128 +# } +# } +# +# 2. Get VirtQueueStatus for virtio-serial (no vhost) +# +# -> { "execute": "x-query-virtio-queue-status", +# "arguments": { "path": "/machine/peripheral-anon/device[0]/virtio-backend", +# "queue": 20 } +# } +# <- { "return": { +# "signalled-used": 0, +# "inuse": 0, +# "name": "virtio-serial", +# "vring-align": 4096, +# "vring-desc": 5182074880, +# "signalled-used-valid": false, +# "vring-num-default": 128, +# "vring-avail": 5182076928, +# "queue-index": 20, +# "last-avail-idx": 0, +# "vring-used": 5182077248, +# "used-idx": 0, +# "shadow-avail-idx": 0, +# "vring-num": 128 +# } +# } +# +## + +{ 'command': 'x-query-virtio-queue-status', + 'data': { 'path': 'str', 'queue': 'uint16' }, + 'returns': 'VirtQueueStatus', + 'features': [ 'unstable' ] } + +## +# @VirtVhostQueueStatus: +# +# Information of a vhost device's vhost_virtqueue, including most +# members of the vhost_dev vhost_virtqueue data structure. +# +# @name: Name of the VirtIODevice that uses this vhost_virtqueue +# +# @kick: vhost_virtqueue kick +# +# @call: vhost_virtqueue call +# +# @desc: vhost_virtqueue desc +# +# @avail: vhost_virtqueue avail +# +# @used: vhost_virtqueue used +# +# @num: vhost_virtqueue num +# +# @desc-phys: vhost_virtqueue desc_phys (descriptor area phys. addr.) +# +# @desc-size: vhost_virtqueue desc_size +# +# @avail-phys: vhost_virtqueue avail_phys (driver area phys. addr.) +# +# @avail-size: vhost_virtqueue avail_size +# +# @used-phys: vhost_virtqueue used_phys (device area phys. addr.) +# +# @used-size: vhost_virtqueue used_size +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtVhostQueueStatus', + 'data': { 'name': 'str', + 'kick': 'int', + 'call': 'int', + 'desc': 'uint64', + 'avail': 'uint64', + 'used': 'uint64', + 'num': 'int', + 'desc-phys': 'uint64', + 'desc-size': 'uint32', + 'avail-phys': 'uint64', + 'avail-size': 'uint32', + 'used-phys': 'uint64', + 'used-size': 'uint32' } } + +## +# @x-query-virtio-vhost-queue-status: +# +# Return information of a given vhost device's vhost_virtqueue +# +# @path: VirtIODevice canonical QOM path +# +# @queue: vhost_virtqueue index to examine +# +# Features: +# @unstable: This command is meant for debugging. +# +# Returns: VirtVhostQueueStatus of the vhost_virtqueue +# +# Since: 7.1 +# +# Examples: +# +# 1. Get vhost_virtqueue status for vhost-crypto +# +# -> { "execute": "x-query-virtio-vhost-queue-status", +# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend", +# "queue": 0 } +# } +# <- { "return": { +# "avail-phys": 5216124928, +# "name": "virtio-crypto", +# "used-phys": 5216127040, +# "avail-size": 2054, +# "desc-size": 16384, +# "used-size": 8198, +# "desc": 140141447430144, +# "num": 1024, +# "call": 0, +# "avail": 140141447446528, +# "desc-phys": 5216108544, +# "used": 140141447448640, +# "kick": 0 +# } +# } +# +# 2. Get vhost_virtqueue status for vhost-vsock +# +# -> { "execute": "x-query-virtio-vhost-queue-status", +# "arguments": { "path": "/machine/peripheral/vsock0/virtio-backend", +# "queue": 0 } +# } +# <- { "return": { +# "avail-phys": 5182261248, +# "name": "vhost-vsock", +# "used-phys": 5182261568, +# "avail-size": 262, +# "desc-size": 2048, +# "used-size": 1030, +# "desc": 140141413580800, +# "num": 128, +# "call": 0, +# "avail": 140141413582848, +# "desc-phys": 5182259200, +# "used": 140141413583168, +# "kick": 0 +# } +# } +# +## + +{ 'command': 'x-query-virtio-vhost-queue-status', + 'data': { 'path': 'str', 'queue': 'uint16' }, + 'returns': 'VirtVhostQueueStatus', + 'features': [ 'unstable' ] } -- cgit v1.2.3 From 1ee7bb5befaa24d2dfe8b32a437050209298c983 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:43 -0400 Subject: qmp: add QMP command x-query-virtio-queue-element This new command shows the information of a VirtQueue element. [Note: Up until v10 of this patch series, virtio.json had many (15+) enums defined (e.g. decoded device features, statuses, etc.). In v10 most of these enums were removed and replaced with string literals. By doing this we get (1) simpler schema, (2) smaller generated code, and (3) less maintenance burden for when new things are added (e.g. devices, device features, etc.).] Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-6-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-stub.c | 9 +++ hw/virtio/virtio.c | 154 +++++++++++++++++++++++++++++++++++++ qapi/virtio.json | 197 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 360 insertions(+) diff --git a/hw/virtio/virtio-stub.c b/hw/virtio/virtio-stub.c index 13e5f93652..7ddb22cc5e 100644 --- a/hw/virtio/virtio-stub.c +++ b/hw/virtio/virtio-stub.c @@ -31,3 +31,12 @@ VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path, { return qmp_virtio_unsupported(errp); } + +VirtioQueueElement *qmp_x_query_virtio_queue_element(const char *path, + uint16_t queue, + bool has_index, + uint16_t index, + Error **errp) +{ + return qmp_virtio_unsupported(errp); +} diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index da869e7b51..808446b4c9 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -823,6 +823,19 @@ static inline void vring_used_write(VirtQueue *vq, VRingUsedElem *uelem, address_space_cache_invalidate(&caches->used, pa, sizeof(VRingUsedElem)); } +/* Called within rcu_read_lock(). */ +static inline uint16_t vring_used_flags(VirtQueue *vq) +{ + VRingMemoryRegionCaches *caches = vring_get_region_caches(vq); + hwaddr pa = offsetof(VRingUsed, flags); + + if (!caches) { + return 0; + } + + return virtio_lduw_phys_cached(vq->vdev, &caches->used, pa); +} + /* Called within rcu_read_lock(). */ static uint16_t vring_used_idx(VirtQueue *vq) { @@ -4782,6 +4795,147 @@ VirtQueueStatus *qmp_x_query_virtio_queue_status(const char *path, return status; } +static strList *qmp_decode_vring_desc_flags(uint16_t flags) +{ + strList *list = NULL; + strList *node; + int i; + + struct { + uint16_t flag; + const char *value; + } map[] = { + { VRING_DESC_F_NEXT, "next" }, + { VRING_DESC_F_WRITE, "write" }, + { VRING_DESC_F_INDIRECT, "indirect" }, + { 1 << VRING_PACKED_DESC_F_AVAIL, "avail" }, + { 1 << VRING_PACKED_DESC_F_USED, "used" }, + { 0, "" } + }; + + for (i = 0; map[i].flag; i++) { + if ((map[i].flag & flags) == 0) { + continue; + } + node = g_malloc0(sizeof(strList)); + node->value = g_strdup(map[i].value); + node->next = list; + list = node; + } + + return list; +} + +VirtioQueueElement *qmp_x_query_virtio_queue_element(const char *path, + uint16_t queue, + bool has_index, + uint16_t index, + Error **errp) +{ + VirtIODevice *vdev; + VirtQueue *vq; + VirtioQueueElement *element = NULL; + + vdev = virtio_device_find(path); + if (vdev == NULL) { + error_setg(errp, "Path %s is not a VirtIO device", path); + return NULL; + } + + if (queue >= VIRTIO_QUEUE_MAX || !virtio_queue_get_num(vdev, queue)) { + error_setg(errp, "Invalid virtqueue number %d", queue); + return NULL; + } + vq = &vdev->vq[queue]; + + if (virtio_vdev_has_feature(vdev, VIRTIO_F_RING_PACKED)) { + error_setg(errp, "Packed ring not supported"); + return NULL; + } else { + unsigned int head, i, max; + VRingMemoryRegionCaches *caches; + MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID; + MemoryRegionCache *desc_cache; + VRingDesc desc; + VirtioRingDescList *list = NULL; + VirtioRingDescList *node; + int rc; int ndescs; + + RCU_READ_LOCK_GUARD(); + + max = vq->vring.num; + + if (!has_index) { + head = vring_avail_ring(vq, vq->last_avail_idx % vq->vring.num); + } else { + head = vring_avail_ring(vq, index % vq->vring.num); + } + i = head; + + caches = vring_get_region_caches(vq); + if (!caches) { + error_setg(errp, "Region caches not initialized"); + return NULL; + } + if (caches->desc.len < max * sizeof(VRingDesc)) { + error_setg(errp, "Cannot map descriptor ring"); + return NULL; + } + + desc_cache = &caches->desc; + vring_split_desc_read(vdev, &desc, desc_cache, i); + if (desc.flags & VRING_DESC_F_INDIRECT) { + int64_t len; + len = address_space_cache_init(&indirect_desc_cache, vdev->dma_as, + desc.addr, desc.len, false); + desc_cache = &indirect_desc_cache; + if (len < desc.len) { + error_setg(errp, "Cannot map indirect buffer"); + goto done; + } + + max = desc.len / sizeof(VRingDesc); + i = 0; + vring_split_desc_read(vdev, &desc, desc_cache, i); + } + + element = g_new0(VirtioQueueElement, 1); + element->avail = g_new0(VirtioRingAvail, 1); + element->used = g_new0(VirtioRingUsed, 1); + element->name = g_strdup(vdev->name); + element->index = head; + element->avail->flags = vring_avail_flags(vq); + element->avail->idx = vring_avail_idx(vq); + element->avail->ring = head; + element->used->flags = vring_used_flags(vq); + element->used->idx = vring_used_idx(vq); + ndescs = 0; + + do { + /* A buggy driver may produce an infinite loop */ + if (ndescs >= max) { + break; + } + node = g_new0(VirtioRingDescList, 1); + node->value = g_new0(VirtioRingDesc, 1); + node->value->addr = desc.addr; + node->value->len = desc.len; + node->value->flags = qmp_decode_vring_desc_flags(desc.flags); + node->next = list; + list = node; + + ndescs++; + rc = virtqueue_split_read_next_desc(vdev, &desc, desc_cache, + max, &i); + } while (rc == VIRTQUEUE_READ_DESC_MORE); + element->descs = list; +done: + address_space_cache_destroy(&indirect_desc_cache); + } + + return element; +} + static const TypeInfo virtio_device_info = { .name = TYPE_VIRTIO_DEVICE, .parent = TYPE_DEVICE, diff --git a/qapi/virtio.json b/qapi/virtio.json index d9050f3584..e47a8fb2e0 100644 --- a/qapi/virtio.json +++ b/qapi/virtio.json @@ -755,3 +755,200 @@ 'data': { 'path': 'str', 'queue': 'uint16' }, 'returns': 'VirtVhostQueueStatus', 'features': [ 'unstable' ] } + +## +# @VirtioRingDesc: +# +# Information regarding the vring descriptor area +# +# @addr: Guest physical address of the descriptor area +# +# @len: Length of the descriptor area +# +# @flags: List of descriptor flags +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtioRingDesc', + 'data': { 'addr': 'uint64', + 'len': 'uint32', + 'flags': [ 'str' ] } } + +## +# @VirtioRingAvail: +# +# Information regarding the avail vring (a.k.a. driver area) +# +# @flags: VRingAvail flags +# +# @idx: VRingAvail index +# +# @ring: VRingAvail ring[] entry at provided index +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtioRingAvail', + 'data': { 'flags': 'uint16', + 'idx': 'uint16', + 'ring': 'uint16' } } + +## +# @VirtioRingUsed: +# +# Information regarding the used vring (a.k.a. device area) +# +# @flags: VRingUsed flags +# +# @idx: VRingUsed index +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtioRingUsed', + 'data': { 'flags': 'uint16', + 'idx': 'uint16' } } + +## +# @VirtioQueueElement: +# +# Information regarding a VirtQueue's VirtQueueElement including +# descriptor, driver, and device areas +# +# @name: Name of the VirtIODevice that uses this VirtQueue +# +# @index: Index of the element in the queue +# +# @descs: List of descriptors (VirtioRingDesc) +# +# @avail: VRingAvail info +# +# @used: VRingUsed info +# +# Since: 7.1 +# +## + +{ 'struct': 'VirtioQueueElement', + 'data': { 'name': 'str', + 'index': 'uint32', + 'descs': [ 'VirtioRingDesc' ], + 'avail': 'VirtioRingAvail', + 'used': 'VirtioRingUsed' } } + +## +# @x-query-virtio-queue-element: +# +# Return the information about a VirtQueue's VirtQueueElement +# +# @path: VirtIODevice canonical QOM path +# +# @queue: VirtQueue index to examine +# +# @index: Index of the element in the queue +# (default: head of the queue) +# +# Features: +# @unstable: This command is meant for debugging. +# +# Returns: VirtioQueueElement information +# +# Since: 7.1 +# +# Examples: +# +# 1. Introspect on virtio-net's VirtQueue 0 at index 5 +# +# -> { "execute": "x-query-virtio-queue-element", +# "arguments": { "path": "/machine/peripheral-anon/device[1]/virtio-backend", +# "queue": 0, +# "index": 5 } +# } +# <- { "return": { +# "index": 5, +# "name": "virtio-net", +# "descs": [ +# { +# "flags": ["write"], +# "len": 1536, +# "addr": 5257305600 +# } +# ], +# "avail": { +# "idx": 256, +# "flags": 0, +# "ring": 5 +# }, +# "used": { +# "idx": 13, +# "flags": 0 +# } +# } +# } +# +# 2. Introspect on virtio-crypto's VirtQueue 1 at head +# +# -> { "execute": "x-query-virtio-queue-element", +# "arguments": { "path": "/machine/peripheral/crypto0/virtio-backend", +# "queue": 1 } +# } +# <- { "return": { +# "index": 0, +# "name": "virtio-crypto", +# "descs": [ +# { +# "flags": [], +# "len": 0, +# "addr": 8080268923184214134 +# } +# ], +# "avail": { +# "idx": 280, +# "flags": 0, +# "ring": 0 +# }, +# "used": { +# "idx": 280, +# "flags": 0 +# } +# } +# } +# +# 3. Introspect on virtio-scsi's VirtQueue 2 at head +# +# -> { "execute": "x-query-virtio-queue-element", +# "arguments": { "path": "/machine/peripheral-anon/device[2]/virtio-backend", +# "queue": 2 } +# } +# <- { "return": { +# "index": 19, +# "name": "virtio-scsi", +# "descs": [ +# { +# "flags": ["used", "indirect", "write"], +# "len": 4099327944, +# "addr": 12055409292258155293 +# } +# ], +# "avail": { +# "idx": 1147, +# "flags": 0, +# "ring": 19 +# }, +# "used": { +# "idx": 280, +# "flags": 0 +# } +# } +# } +# +## + +{ 'command': 'x-query-virtio-queue-element', + 'data': { 'path': 'str', 'queue': 'uint16', '*index': 'uint16' }, + 'returns': 'VirtioQueueElement', + 'features': [ 'unstable' ] } -- cgit v1.2.3 From 8a8287981d1169f534894d983ecfd3b70b71918b Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Thu, 11 Aug 2022 08:24:44 -0400 Subject: hmp: add virtio commands This patch implements the HMP versions of the virtio QMP commands. [Jonah: Adjusted hmp monitor output format for features / statuses with their descriptions.] Signed-off-by: Laurent Vivier Signed-off-by: Jonah Palmer Message-Id: <1660220684-24909-7-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hmp-commands-info.hx | 70 ++++++++++++ include/monitor/hmp.h | 5 + monitor/hmp-cmds.c | 310 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 385 insertions(+) diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index e012035541..754b1e8408 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -923,3 +923,73 @@ SRST ``stats`` Show runtime-collected statistics ERST + + { + .name = "virtio", + .args_type = "", + .params = "", + .help = "List all available virtio devices", + .cmd = hmp_virtio_query, + .flags = "p", + }, + +SRST + ``info virtio`` + List all available virtio devices +ERST + + { + .name = "virtio-status", + .args_type = "path:s", + .params = "path", + .help = "Display status of a given virtio device", + .cmd = hmp_virtio_status, + .flags = "p", + }, + +SRST + ``info virtio-status`` *path* + Display status of a given virtio device +ERST + + { + .name = "virtio-queue-status", + .args_type = "path:s,queue:i", + .params = "path queue", + .help = "Display status of a given virtio queue", + .cmd = hmp_virtio_queue_status, + .flags = "p", + }, + +SRST + ``info virtio-queue-status`` *path* *queue* + Display status of a given virtio queue +ERST + + { + .name = "virtio-vhost-queue-status", + .args_type = "path:s,queue:i", + .params = "path queue", + .help = "Display status of a given vhost queue", + .cmd = hmp_vhost_queue_status, + .flags = "p", + }, + +SRST + ``info virtio-vhost-queue-status`` *path* *queue* + Display status of a given vhost queue +ERST + + { + .name = "virtio-queue-element", + .args_type = "path:s,queue:i,index:i?", + .params = "path queue [index]", + .help = "Display element of a given virtio queue", + .cmd = hmp_virtio_queue_element, + .flags = "p", + }, + +SRST + ``info virtio-queue-element`` *path* *queue* [*index*] + Display element of a given virtio queue +ERST diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index a618eb1e4e..a9cf064ee8 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -95,6 +95,11 @@ void hmp_qom_list(Monitor *mon, const QDict *qdict); void hmp_qom_get(Monitor *mon, const QDict *qdict); void hmp_qom_set(Monitor *mon, const QDict *qdict); void hmp_info_qom_tree(Monitor *mon, const QDict *dict); +void hmp_virtio_query(Monitor *mon, const QDict *qdict); +void hmp_virtio_status(Monitor *mon, const QDict *qdict); +void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict); +void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict); +void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict); void object_add_completion(ReadLineState *rs, int nb_args, const char *str); void object_del_completion(ReadLineState *rs, int nb_args, const char *str); void device_add_completion(ReadLineState *rs, int nb_args, const char *str); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index f90eea8d01..bab86c5537 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -43,6 +43,8 @@ #include "qapi/qapi-commands-stats.h" #include "qapi/qapi-commands-tpm.h" #include "qapi/qapi-commands-ui.h" +#include "qapi/qapi-commands-virtio.h" +#include "qapi/qapi-visit-virtio.h" #include "qapi/qapi-visit-net.h" #include "qapi/qapi-visit-migration.h" #include "qapi/qmp/qdict.h" @@ -2472,3 +2474,311 @@ exit: exit_no_print: error_free(err); } + +static void hmp_virtio_dump_protocols(Monitor *mon, + VhostDeviceProtocols *pcol) +{ + strList *pcol_list = pcol->protocols; + while (pcol_list) { + monitor_printf(mon, "\t%s", pcol_list->value); + pcol_list = pcol_list->next; + if (pcol_list != NULL) { + monitor_printf(mon, ",\n"); + } + } + monitor_printf(mon, "\n"); + if (pcol->has_unknown_protocols) { + monitor_printf(mon, " unknown-protocols(0x%016"PRIx64")\n", + pcol->unknown_protocols); + } +} + +static void hmp_virtio_dump_status(Monitor *mon, + VirtioDeviceStatus *status) +{ + strList *status_list = status->statuses; + while (status_list) { + monitor_printf(mon, "\t%s", status_list->value); + status_list = status_list->next; + if (status_list != NULL) { + monitor_printf(mon, ",\n"); + } + } + monitor_printf(mon, "\n"); + if (status->has_unknown_statuses) { + monitor_printf(mon, " unknown-statuses(0x%016"PRIx32")\n", + status->unknown_statuses); + } +} + +static void hmp_virtio_dump_features(Monitor *mon, + VirtioDeviceFeatures *features) +{ + strList *transport_list = features->transports; + while (transport_list) { + monitor_printf(mon, "\t%s", transport_list->value); + transport_list = transport_list->next; + if (transport_list != NULL) { + monitor_printf(mon, ",\n"); + } + } + + monitor_printf(mon, "\n"); + strList *list = features->dev_features; + if (list) { + while (list) { + monitor_printf(mon, "\t%s", list->value); + list = list->next; + if (list != NULL) { + monitor_printf(mon, ",\n"); + } + } + monitor_printf(mon, "\n"); + } + + if (features->has_unknown_dev_features) { + monitor_printf(mon, " unknown-features(0x%016"PRIx64")\n", + features->unknown_dev_features); + } +} + +void hmp_virtio_query(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + VirtioInfoList *list = qmp_x_query_virtio(&err); + VirtioInfoList *node; + + if (err != NULL) { + hmp_handle_error(mon, err); + return; + } + + if (list == NULL) { + monitor_printf(mon, "No VirtIO devices\n"); + return; + } + + node = list; + while (node) { + monitor_printf(mon, "%s [%s]\n", node->value->path, + node->value->name); + node = node->next; + } + qapi_free_VirtioInfoList(list); +} + +void hmp_virtio_status(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *path = qdict_get_try_str(qdict, "path"); + VirtioStatus *s = qmp_x_query_virtio_status(path, &err); + + if (err != NULL) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "%s:\n", path); + monitor_printf(mon, " device_name: %s %s\n", + s->name, s->has_vhost_dev ? "(vhost)" : ""); + monitor_printf(mon, " device_id: %d\n", s->device_id); + monitor_printf(mon, " vhost_started: %s\n", + s->vhost_started ? "true" : "false"); + monitor_printf(mon, " bus_name: %s\n", s->bus_name); + monitor_printf(mon, " broken: %s\n", + s->broken ? "true" : "false"); + monitor_printf(mon, " disabled: %s\n", + s->disabled ? "true" : "false"); + monitor_printf(mon, " disable_legacy_check: %s\n", + s->disable_legacy_check ? "true" : "false"); + monitor_printf(mon, " started: %s\n", + s->started ? "true" : "false"); + monitor_printf(mon, " use_started: %s\n", + s->use_started ? "true" : "false"); + monitor_printf(mon, " start_on_kick: %s\n", + s->start_on_kick ? "true" : "false"); + monitor_printf(mon, " use_guest_notifier_mask: %s\n", + s->use_guest_notifier_mask ? "true" : "false"); + monitor_printf(mon, " vm_running: %s\n", + s->vm_running ? "true" : "false"); + monitor_printf(mon, " num_vqs: %"PRId64"\n", s->num_vqs); + monitor_printf(mon, " queue_sel: %d\n", + s->queue_sel); + monitor_printf(mon, " isr: %d\n", s->isr); + monitor_printf(mon, " endianness: %s\n", + s->device_endian); + monitor_printf(mon, " status:\n"); + hmp_virtio_dump_status(mon, s->status); + monitor_printf(mon, " Guest features:\n"); + hmp_virtio_dump_features(mon, s->guest_features); + monitor_printf(mon, " Host features:\n"); + hmp_virtio_dump_features(mon, s->host_features); + monitor_printf(mon, " Backend features:\n"); + hmp_virtio_dump_features(mon, s->backend_features); + + if (s->has_vhost_dev) { + monitor_printf(mon, " VHost:\n"); + monitor_printf(mon, " nvqs: %d\n", + s->vhost_dev->nvqs); + monitor_printf(mon, " vq_index: %"PRId64"\n", + s->vhost_dev->vq_index); + monitor_printf(mon, " max_queues: %"PRId64"\n", + s->vhost_dev->max_queues); + monitor_printf(mon, " n_mem_sections: %"PRId64"\n", + s->vhost_dev->n_mem_sections); + monitor_printf(mon, " n_tmp_sections: %"PRId64"\n", + s->vhost_dev->n_tmp_sections); + monitor_printf(mon, " backend_cap: %"PRId64"\n", + s->vhost_dev->backend_cap); + monitor_printf(mon, " log_enabled: %s\n", + s->vhost_dev->log_enabled ? "true" : "false"); + monitor_printf(mon, " log_size: %"PRId64"\n", + s->vhost_dev->log_size); + monitor_printf(mon, " Features:\n"); + hmp_virtio_dump_features(mon, s->vhost_dev->features); + monitor_printf(mon, " Acked features:\n"); + hmp_virtio_dump_features(mon, s->vhost_dev->acked_features); + monitor_printf(mon, " Backend features:\n"); + hmp_virtio_dump_features(mon, s->vhost_dev->backend_features); + monitor_printf(mon, " Protocol features:\n"); + hmp_virtio_dump_protocols(mon, s->vhost_dev->protocol_features); + } + + qapi_free_VirtioStatus(s); +} + +void hmp_vhost_queue_status(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *path = qdict_get_try_str(qdict, "path"); + int queue = qdict_get_int(qdict, "queue"); + VirtVhostQueueStatus *s = + qmp_x_query_virtio_vhost_queue_status(path, queue, &err); + + if (err != NULL) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "%s:\n", path); + monitor_printf(mon, " device_name: %s (vhost)\n", + s->name); + monitor_printf(mon, " kick: %"PRId64"\n", s->kick); + monitor_printf(mon, " call: %"PRId64"\n", s->call); + monitor_printf(mon, " VRing:\n"); + monitor_printf(mon, " num: %"PRId64"\n", s->num); + monitor_printf(mon, " desc: 0x%016"PRIx64"\n", s->desc); + monitor_printf(mon, " desc_phys: 0x%016"PRIx64"\n", + s->desc_phys); + monitor_printf(mon, " desc_size: %"PRId32"\n", s->desc_size); + monitor_printf(mon, " avail: 0x%016"PRIx64"\n", s->avail); + monitor_printf(mon, " avail_phys: 0x%016"PRIx64"\n", + s->avail_phys); + monitor_printf(mon, " avail_size: %"PRId32"\n", s->avail_size); + monitor_printf(mon, " used: 0x%016"PRIx64"\n", s->used); + monitor_printf(mon, " used_phys: 0x%016"PRIx64"\n", + s->used_phys); + monitor_printf(mon, " used_size: %"PRId32"\n", s->used_size); + + qapi_free_VirtVhostQueueStatus(s); +} + +void hmp_virtio_queue_status(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *path = qdict_get_try_str(qdict, "path"); + int queue = qdict_get_int(qdict, "queue"); + VirtQueueStatus *s = qmp_x_query_virtio_queue_status(path, queue, &err); + + if (err != NULL) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "%s:\n", path); + monitor_printf(mon, " device_name: %s\n", s->name); + monitor_printf(mon, " queue_index: %d\n", s->queue_index); + monitor_printf(mon, " inuse: %d\n", s->inuse); + monitor_printf(mon, " used_idx: %d\n", s->used_idx); + monitor_printf(mon, " signalled_used: %d\n", + s->signalled_used); + monitor_printf(mon, " signalled_used_valid: %s\n", + s->signalled_used_valid ? "true" : "false"); + if (s->has_last_avail_idx) { + monitor_printf(mon, " last_avail_idx: %d\n", + s->last_avail_idx); + } + if (s->has_shadow_avail_idx) { + monitor_printf(mon, " shadow_avail_idx: %d\n", + s->shadow_avail_idx); + } + monitor_printf(mon, " VRing:\n"); + monitor_printf(mon, " num: %"PRId32"\n", s->vring_num); + monitor_printf(mon, " num_default: %"PRId32"\n", + s->vring_num_default); + monitor_printf(mon, " align: %"PRId32"\n", + s->vring_align); + monitor_printf(mon, " desc: 0x%016"PRIx64"\n", + s->vring_desc); + monitor_printf(mon, " avail: 0x%016"PRIx64"\n", + s->vring_avail); + monitor_printf(mon, " used: 0x%016"PRIx64"\n", + s->vring_used); + + qapi_free_VirtQueueStatus(s); +} + +void hmp_virtio_queue_element(Monitor *mon, const QDict *qdict) +{ + Error *err = NULL; + const char *path = qdict_get_try_str(qdict, "path"); + int queue = qdict_get_int(qdict, "queue"); + int index = qdict_get_try_int(qdict, "index", -1); + VirtioQueueElement *e; + VirtioRingDescList *list; + + e = qmp_x_query_virtio_queue_element(path, queue, index != -1, + index, &err); + if (err != NULL) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "%s:\n", path); + monitor_printf(mon, " device_name: %s\n", e->name); + monitor_printf(mon, " index: %d\n", e->index); + monitor_printf(mon, " desc:\n"); + monitor_printf(mon, " descs:\n"); + + list = e->descs; + while (list) { + monitor_printf(mon, " addr 0x%"PRIx64" len %d", + list->value->addr, list->value->len); + if (list->value->flags) { + strList *flag = list->value->flags; + monitor_printf(mon, " ("); + while (flag) { + monitor_printf(mon, "%s", flag->value); + flag = flag->next; + if (flag) { + monitor_printf(mon, ", "); + } + } + monitor_printf(mon, ")"); + } + list = list->next; + if (list) { + monitor_printf(mon, ",\n"); + } + } + monitor_printf(mon, "\n"); + monitor_printf(mon, " avail:\n"); + monitor_printf(mon, " flags: %d\n", e->avail->flags); + monitor_printf(mon, " idx: %d\n", e->avail->idx); + monitor_printf(mon, " ring: %d\n", e->avail->ring); + monitor_printf(mon, " used:\n"); + monitor_printf(mon, " flags: %d\n", e->used->flags); + monitor_printf(mon, " idx: %d\n", e->used->idx); + + qapi_free_VirtioQueueElement(e); +} -- cgit v1.2.3 From 31e039e76d60fab708d49444ba40effc3037670d Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Thu, 18 Aug 2022 14:54:20 +0100 Subject: pci: Remove unused pci_get_*_by_mask() functions The helper functions pci_get_{byte,word,long,quad}_by_mask() were added in 2012 in commit c9f50cea70a1596. In the decade since we have never added a single use of them. The helpers clearly aren't that helpful, so drop them rather than carrying around dead code. Reviewed-by: Richard Henderson Signed-off-by: Peter Maydell Message-Id: <20220818135421.2515257-2-peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Paolo Bonzini --- include/hw/pci/pci.h | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index b54b6ef88f..c79144bc5e 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -692,13 +692,6 @@ pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg) pci_set_byte(config, (~mask & val) | (mask & rval)); } -static inline uint8_t -pci_get_byte_by_mask(uint8_t *config, uint8_t mask) -{ - uint8_t val = pci_get_byte(config); - return (val & mask) >> ctz32(mask); -} - static inline void pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) { @@ -707,13 +700,6 @@ pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) pci_set_word(config, (~mask & val) | (mask & rval)); } -static inline uint16_t -pci_get_word_by_mask(uint8_t *config, uint16_t mask) -{ - uint16_t val = pci_get_word(config); - return (val & mask) >> ctz32(mask); -} - static inline void pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) { @@ -722,13 +708,6 @@ pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) pci_set_long(config, (~mask & val) | (mask & rval)); } -static inline uint32_t -pci_get_long_by_mask(uint8_t *config, uint32_t mask) -{ - uint32_t val = pci_get_long(config); - return (val & mask) >> ctz32(mask); -} - static inline void pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) { @@ -737,13 +716,6 @@ pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) pci_set_quad(config, (~mask & val) | (mask & rval)); } -static inline uint64_t -pci_get_quad_by_mask(uint8_t *config, uint64_t mask) -{ - uint64_t val = pci_get_quad(config); - return (val & mask) >> ctz32(mask); -} - PCIDevice *pci_new_multifunction(int devfn, bool multifunction, const char *name); PCIDevice *pci_new(int devfn, const char *name); -- cgit v1.2.3 From 775cc426a986742fb252dd3aa865763c10cdb438 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Thu, 18 Aug 2022 14:54:21 +0100 Subject: pci: Sanity check mask argument to pci_set_*_by_mask() Coverity complains that in functions like pci_set_word_by_mask() we might end up shifting by more than 31 bits. This is true, but only if the caller passes in a zero mask. Help Coverity out by asserting that the mask argument is valid. Fixes: CID 1487168 Reviewed-by: Richard Henderson Signed-off-by: Peter Maydell Message-Id: <20220818135421.2515257-3-peter.maydell@linaro.org> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Paolo Bonzini --- include/hw/pci/pci.h | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index c79144bc5e..97937cc922 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -688,7 +688,10 @@ static inline void pci_set_byte_by_mask(uint8_t *config, uint8_t mask, uint8_t reg) { uint8_t val = pci_get_byte(config); - uint8_t rval = reg << ctz32(mask); + uint8_t rval; + + assert(mask); + rval = reg << ctz32(mask); pci_set_byte(config, (~mask & val) | (mask & rval)); } @@ -696,7 +699,10 @@ static inline void pci_set_word_by_mask(uint8_t *config, uint16_t mask, uint16_t reg) { uint16_t val = pci_get_word(config); - uint16_t rval = reg << ctz32(mask); + uint16_t rval; + + assert(mask); + rval = reg << ctz32(mask); pci_set_word(config, (~mask & val) | (mask & rval)); } @@ -704,7 +710,10 @@ static inline void pci_set_long_by_mask(uint8_t *config, uint32_t mask, uint32_t reg) { uint32_t val = pci_get_long(config); - uint32_t rval = reg << ctz32(mask); + uint32_t rval; + + assert(mask); + rval = reg << ctz32(mask); pci_set_long(config, (~mask & val) | (mask & rval)); } @@ -712,7 +721,10 @@ static inline void pci_set_quad_by_mask(uint8_t *config, uint64_t mask, uint64_t reg) { uint64_t val = pci_get_quad(config); - uint64_t rval = reg << ctz32(mask); + uint64_t rval; + + assert(mask); + rval = reg << ctz32(mask); pci_set_quad(config, (~mask & val) | (mask & rval)); } -- cgit v1.2.3 From fd8caa253c56ed126c09d3b9cc682753ff12218f Mon Sep 17 00:00:00 2001 From: Hal Martin Date: Fri, 12 Aug 2022 15:51:53 +0200 Subject: hw/smbios: support for type 8 (port connector) PATCH v1: add support for SMBIOS type 8 to qemu PATCH v2: incorporate patch v1 feedback and add smbios type=8 to qemu-options internal_reference: internal reference designator external_reference: external reference designator connector_type: hex value for port connector type (see SMBIOS 7.9.2) port_type: hex value for port type (see SMBIOS 7.9.3) After studying various vendor implementationsi (Dell, Lenovo, MSI), the value of internal connector type was hard-coded to 0x0 (None). Example usage: -smbios type=8,internal_reference=JUSB1,external_reference=USB1,connector_type=0x12,port_type=0x10 \ -smbios type=8,internal_reference=JAUD1,external_reference="Audio Jack",connector_type=0x1f,port_type=0x1d \ -smbios type=8,internal_reference=LAN,external_reference=Ethernet,connector_type=0x0b,port_type=0x1f \ -smbios type=8,internal_reference=PS2,external_reference=Mouse,connector_type=0x0f,port_type=0x0e \ -smbios type=8,internal_reference=PS2,external_reference=Keyboard,connector_type=0x0f,port_type=0x0d Signed-off-by: Hal Martin Message-Id: <20220812135153.17859-1-hal.martin@gmail.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/smbios/smbios.c | 63 ++++++++++++++++++++++++++++++++++++++++++++ include/hw/firmware/smbios.h | 10 +++++++ qemu-options.hx | 2 ++ 3 files changed, 75 insertions(+) diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index 4c9f664830..51437ca09f 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -111,6 +111,13 @@ static struct { .processor_id = 0, }; +struct type8_instance { + const char *internal_reference, *external_reference; + uint8_t connector_type, port_type; + QTAILQ_ENTRY(type8_instance) next; +}; +static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8); + static struct { size_t nvalues; char **values; @@ -337,6 +344,29 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = { { /* end of list */ } }; +static const QemuOptDesc qemu_smbios_type8_opts[] = { + { + .name = "internal_reference", + .type = QEMU_OPT_STRING, + .help = "internal reference designator", + }, + { + .name = "external_reference", + .type = QEMU_OPT_STRING, + .help = "external reference designator", + }, + { + .name = "connector_type", + .type = QEMU_OPT_NUMBER, + .help = "connector type", + }, + { + .name = "port_type", + .type = QEMU_OPT_NUMBER, + .help = "port type", + }, +}; + static const QemuOptDesc qemu_smbios_type11_opts[] = { { .name = "value", @@ -718,6 +748,26 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance) smbios_type4_count++; } +static void smbios_build_type_8_table(void) +{ + unsigned instance = 0; + struct type8_instance *t8; + + QTAILQ_FOREACH(t8, &type8, next) { + SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true); + + SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference); + SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference); + /* most vendors seem to set this to None */ + t->internal_connector_type = 0x0; + t->external_connector_type = t8->connector_type; + t->port_type = t8->port_type; + + SMBIOS_BUILD_TABLE_POST; + instance++; + } +} + static void smbios_build_type_11_table(void) { char count_str[128]; @@ -1030,6 +1080,7 @@ void smbios_get_tables(MachineState *ms, smbios_build_type_4_table(ms, i); } + smbios_build_type_8_table(); smbios_build_type_11_table(); #define MAX_DIMM_SZ (16 * GiB) @@ -1348,6 +1399,18 @@ void smbios_entry_add(QemuOpts *opts, Error **errp) UINT16_MAX); } return; + case 8: + if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) { + return; + } + struct type8_instance *t; + t = g_new0(struct type8_instance, 1); + save_opt(&t->internal_reference, opts, "internal_reference"); + save_opt(&t->external_reference, opts, "external_reference"); + t->connector_type = qemu_opt_get_number(opts, "connector_type", 0); + t->port_type = qemu_opt_get_number(opts, "port_type", 0); + QTAILQ_INSERT_TAIL(&type8, t, next); + return; case 11: if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) { return; diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h index 4b7ad77a44..e7d386f7c8 100644 --- a/include/hw/firmware/smbios.h +++ b/include/hw/firmware/smbios.h @@ -189,6 +189,16 @@ struct smbios_type_4 { uint16_t processor_family2; } QEMU_PACKED; +/* SMBIOS type 8 - Port Connector Information */ +struct smbios_type_8 { + struct smbios_structure_header header; + uint8_t internal_reference_str; + uint8_t internal_connector_type; + uint8_t external_reference_str; + uint8_t external_connector_type; + uint8_t port_type; +} QEMU_PACKED; + /* SMBIOS type 11 - OEM strings */ struct smbios_type_11 { struct smbios_structure_header header; diff --git a/qemu-options.hx b/qemu-options.hx index 95b998a13b..c0bb74655c 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2572,6 +2572,8 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios, " [,asset=str][,part=str][,max-speed=%d][,current-speed=%d]\n" " [,processor-id=%d]\n" " specify SMBIOS type 4 fields\n" + "-smbios type=8[,external_reference=str][,internal_reference=str][,connector_type=%d][,port_type=%d]\n" + " specify SMBIOS type 8 fields\n" "-smbios type=11[,value=str][,path=filename]\n" " specify SMBIOS type 11 fields\n" "-smbios type=17[,loc_pfx=str][,bank=str][,manufacturer=str][,serial=str]\n" -- cgit v1.2.3 From beec628c80bbc9475b05f4465fe36188de14999e Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:34:59 -0400 Subject: tests: acpi: whitelist pc/q35 DSDT due to HPET AML move Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-2-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/bios-tables-test-allowed-diff.h | 32 +++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..a7aa428fab 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,33 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/pc/DSDT.acpierst", +"tests/data/acpi/pc/DSDT.acpihmat", +"tests/data/acpi/pc/DSDT.bridge", +"tests/data/acpi/pc/DSDT.cphp", +"tests/data/acpi/pc/DSDT.dimmpxm", +"tests/data/acpi/pc/DSDT.hpbridge", +"tests/data/acpi/pc/DSDT.hpbrroot", +"tests/data/acpi/pc/DSDT.ipmikcs", +"tests/data/acpi/pc/DSDT.memhp", +"tests/data/acpi/pc/DSDT.numamem", +"tests/data/acpi/pc/DSDT.roothp", +"tests/data/acpi/q35/DSDT", +"tests/data/acpi/q35/DSDT.acpierst", +"tests/data/acpi/q35/DSDT.acpihmat", +"tests/data/acpi/q35/DSDT.applesmc", +"tests/data/acpi/q35/DSDT.bridge", +"tests/data/acpi/q35/DSDT.cphp", +"tests/data/acpi/q35/DSDT.cxl", +"tests/data/acpi/q35/DSDT.dimmpxm", +"tests/data/acpi/q35/DSDT.ipmibt", +"tests/data/acpi/q35/DSDT.ipmismbus", +"tests/data/acpi/q35/DSDT.ivrs", +"tests/data/acpi/q35/DSDT.memhp", +"tests/data/acpi/q35/DSDT.mmio64", +"tests/data/acpi/q35/DSDT.multi-bridge", +"tests/data/acpi/q35/DSDT.numamem", +"tests/data/acpi/q35/DSDT.pvpanic-isa", +"tests/data/acpi/q35/DSDT.tis.tpm12", +"tests/data/acpi/q35/DSDT.tis.tpm2", +"tests/data/acpi/q35/DSDT.viot", +"tests/data/acpi/q35/DSDT.xapic", -- cgit v1.2.3 From e05acc360e50626e253ddfa185561b0383a8f3e0 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:00 -0400 Subject: acpi: x86: deduplicate HPET AML building HPET AML doesn't depend on piix4 nor q35, move code buiding it to common scope to avoid duplication. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-3-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 0355bd3dda..67b532f5a5 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1467,9 +1467,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, aml_append(sb_scope, dev); aml_append(dsdt, sb_scope); - if (misc->has_hpet) { - build_hpet_aml(dsdt); - } build_piix4_isa_bridge(dsdt); if (pm->pcihp_bridge_en || pm->pcihp_root_en) { build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); @@ -1515,9 +1512,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, aml_append(dsdt, sb_scope); - if (misc->has_hpet) { - build_hpet_aml(dsdt); - } build_q35_isa_bridge(dsdt); if (pm->pcihp_bridge_en) { build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); @@ -1528,6 +1522,10 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, } } + if (misc->has_hpet) { + build_hpet_aml(dsdt); + } + if (vmbus_bridge) { sb_scope = aml_scope("_SB"); aml_append(sb_scope, build_vmbus_device_aml(vmbus_bridge)); -- cgit v1.2.3 From 4609296d0601f24899863d5a6895f31be6e4b897 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:01 -0400 Subject: tests: acpi: update expected blobs after HPET move HPET AML moved after PCI host bridge description (no functional change) diff example for PC machine: @@ -54,47 +54,6 @@ DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC ", 0x00000001) } } - Scope (_SB) - { - Device (HPET) - { - Name (_HID, EisaId ("PNP0103") /* HPET System Timer */) // _HID: Hardware ID - Name (_UID, Zero) // _UID: Unique ID - OperationRegion (HPTM, SystemMemory, 0xFED00000, 0x0400) - Field (HPTM, DWordAcc, Lock, Preserve) - { - VEND, 32, - PRD, 32 - } - - Method (_STA, 0, NotSerialized) // _STA: Status - { - Local0 = VEND /* \_SB_.HPET.VEND */ - Local1 = PRD /* \_SB_.HPET.PRD_ */ - Local0 >>= 0x10 - If (((Local0 == Zero) || (Local0 == 0xFFFF))) - { - Return (Zero) - } - - If (((Local1 == Zero) || (Local1 > 0x05F5E100))) - { - Return (Zero) - } - - Return (0x0F) - } - - Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings - { - Memory32Fixed (ReadOnly, - 0xFED00000, // Address Base - 0x00000400, // Address Length - ) - }) - } - } - Scope (_SB.PCI0) { Device (ISA) @@ -529,6 +488,47 @@ DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC ", 0x00000001) } } + Scope (_SB) + { + Device (HPET) + { + Name (_HID, EisaId ("PNP0103") /* HPET System Timer */) // _HID: Hardware ID + Name (_UID, Zero) // _UID: Unique ID + OperationRegion (HPTM, SystemMemory, 0xFED00000, 0x0400) + Field (HPTM, DWordAcc, Lock, Preserve) + { + VEND, 32, + PRD, 32 + } + + Method (_STA, 0, NotSerialized) // _STA: Status + { + Local0 = VEND /* \_SB_.HPET.VEND */ + Local1 = PRD /* \_SB_.HPET.PRD_ */ + Local0 >>= 0x10 + If (((Local0 == Zero) || (Local0 == 0xFFFF))) + { + Return (Zero) + } + + If (((Local1 == Zero) || (Local1 > 0x05F5E100))) + { + Return (Zero) + } + + Return (0x0F) + } + + Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings + { + Memory32Fixed (ReadOnly, + 0xFED00000, // Address Base + 0x00000400, // Address Length + ) + }) + } + } + Scope (_SB) { Device (\_SB.PCI0.PRES) Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-4-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/data/acpi/pc/DSDT | Bin 5987 -> 5987 bytes tests/data/acpi/pc/DSDT.acpierst | Bin 5954 -> 5954 bytes tests/data/acpi/pc/DSDT.acpihmat | Bin 7312 -> 7312 bytes tests/data/acpi/pc/DSDT.bridge | Bin 8653 -> 8653 bytes tests/data/acpi/pc/DSDT.cphp | Bin 6451 -> 6451 bytes tests/data/acpi/pc/DSDT.dimmpxm | Bin 7641 -> 7641 bytes tests/data/acpi/pc/DSDT.hpbridge | Bin 5954 -> 5954 bytes tests/data/acpi/pc/DSDT.hpbrroot | Bin 3069 -> 3069 bytes tests/data/acpi/pc/DSDT.ipmikcs | Bin 6059 -> 6059 bytes tests/data/acpi/pc/DSDT.memhp | Bin 7346 -> 7346 bytes tests/data/acpi/pc/DSDT.numamem | Bin 5993 -> 5993 bytes tests/data/acpi/pc/DSDT.roothp | Bin 6195 -> 6195 bytes tests/data/acpi/q35/DSDT | Bin 8274 -> 8274 bytes tests/data/acpi/q35/DSDT.acpierst | Bin 8291 -> 8291 bytes tests/data/acpi/q35/DSDT.acpihmat | Bin 9599 -> 9599 bytes tests/data/acpi/q35/DSDT.applesmc | Bin 8320 -> 8320 bytes tests/data/acpi/q35/DSDT.bridge | Bin 10988 -> 10988 bytes tests/data/acpi/q35/DSDT.cphp | Bin 8738 -> 8738 bytes tests/data/acpi/q35/DSDT.cxl | Bin 9600 -> 9600 bytes tests/data/acpi/q35/DSDT.dimmpxm | Bin 9928 -> 9928 bytes tests/data/acpi/q35/DSDT.ipmibt | Bin 8349 -> 8349 bytes tests/data/acpi/q35/DSDT.ipmismbus | Bin 8363 -> 8363 bytes tests/data/acpi/q35/DSDT.ivrs | Bin 8291 -> 8291 bytes tests/data/acpi/q35/DSDT.memhp | Bin 9633 -> 9633 bytes tests/data/acpi/q35/DSDT.mmio64 | Bin 9404 -> 9404 bytes tests/data/acpi/q35/DSDT.multi-bridge | Bin 8568 -> 8568 bytes tests/data/acpi/q35/DSDT.numamem | Bin 8280 -> 8280 bytes tests/data/acpi/q35/DSDT.pvpanic-isa | Bin 8375 -> 8375 bytes tests/data/acpi/q35/DSDT.tis.tpm12 | Bin 8880 -> 8880 bytes tests/data/acpi/q35/DSDT.tis.tpm2 | Bin 8906 -> 8906 bytes tests/data/acpi/q35/DSDT.viot | Bin 9383 -> 9383 bytes tests/data/acpi/q35/DSDT.xapic | Bin 35637 -> 35637 bytes tests/qtest/bios-tables-test-allowed-diff.h | 32 ---------------------------- 33 files changed, 32 deletions(-) diff --git a/tests/data/acpi/pc/DSDT 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b/tests/data/acpi/q35/DSDT.mmio64 index 91afd01d59..3af5ef2ea4 100644 Binary files a/tests/data/acpi/q35/DSDT.mmio64 and b/tests/data/acpi/q35/DSDT.mmio64 differ diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge index afde339a18..238668b95f 100644 Binary files a/tests/data/acpi/q35/DSDT.multi-bridge and b/tests/data/acpi/q35/DSDT.multi-bridge differ diff --git a/tests/data/acpi/q35/DSDT.numamem b/tests/data/acpi/q35/DSDT.numamem index e537669949..37fa4c3a45 100644 Binary files a/tests/data/acpi/q35/DSDT.numamem and b/tests/data/acpi/q35/DSDT.numamem differ diff --git a/tests/data/acpi/q35/DSDT.pvpanic-isa b/tests/data/acpi/q35/DSDT.pvpanic-isa index cc545b5d25..8705309748 100644 Binary files a/tests/data/acpi/q35/DSDT.pvpanic-isa and b/tests/data/acpi/q35/DSDT.pvpanic-isa differ diff --git a/tests/data/acpi/q35/DSDT.tis.tpm12 b/tests/data/acpi/q35/DSDT.tis.tpm12 index a97d884c50..7408f03e4b 100644 Binary files a/tests/data/acpi/q35/DSDT.tis.tpm12 and b/tests/data/acpi/q35/DSDT.tis.tpm12 differ diff --git a/tests/data/acpi/q35/DSDT.tis.tpm2 b/tests/data/acpi/q35/DSDT.tis.tpm2 index 1f5392919b..134c2fbcca 100644 Binary files a/tests/data/acpi/q35/DSDT.tis.tpm2 and b/tests/data/acpi/q35/DSDT.tis.tpm2 differ diff --git a/tests/data/acpi/q35/DSDT.viot b/tests/data/acpi/q35/DSDT.viot index e20e4ee5e9..be4a254e93 100644 Binary files a/tests/data/acpi/q35/DSDT.viot and b/tests/data/acpi/q35/DSDT.viot differ diff --git a/tests/data/acpi/q35/DSDT.xapic b/tests/data/acpi/q35/DSDT.xapic index 3cab5956ee..2327152da1 100644 Binary files a/tests/data/acpi/q35/DSDT.xapic and b/tests/data/acpi/q35/DSDT.xapic differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index a7aa428fab..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,33 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/pc/DSDT", -"tests/data/acpi/pc/DSDT.acpierst", -"tests/data/acpi/pc/DSDT.acpihmat", -"tests/data/acpi/pc/DSDT.bridge", -"tests/data/acpi/pc/DSDT.cphp", -"tests/data/acpi/pc/DSDT.dimmpxm", -"tests/data/acpi/pc/DSDT.hpbridge", -"tests/data/acpi/pc/DSDT.hpbrroot", -"tests/data/acpi/pc/DSDT.ipmikcs", -"tests/data/acpi/pc/DSDT.memhp", -"tests/data/acpi/pc/DSDT.numamem", -"tests/data/acpi/pc/DSDT.roothp", -"tests/data/acpi/q35/DSDT", -"tests/data/acpi/q35/DSDT.acpierst", -"tests/data/acpi/q35/DSDT.acpihmat", -"tests/data/acpi/q35/DSDT.applesmc", -"tests/data/acpi/q35/DSDT.bridge", -"tests/data/acpi/q35/DSDT.cphp", -"tests/data/acpi/q35/DSDT.cxl", -"tests/data/acpi/q35/DSDT.dimmpxm", -"tests/data/acpi/q35/DSDT.ipmibt", -"tests/data/acpi/q35/DSDT.ipmismbus", -"tests/data/acpi/q35/DSDT.ivrs", -"tests/data/acpi/q35/DSDT.memhp", -"tests/data/acpi/q35/DSDT.mmio64", -"tests/data/acpi/q35/DSDT.multi-bridge", -"tests/data/acpi/q35/DSDT.numamem", -"tests/data/acpi/q35/DSDT.pvpanic-isa", -"tests/data/acpi/q35/DSDT.tis.tpm12", -"tests/data/acpi/q35/DSDT.tis.tpm2", -"tests/data/acpi/q35/DSDT.viot", -"tests/data/acpi/q35/DSDT.xapic", -- cgit v1.2.3 From 31b5dd03908e0c78fe8ad27e10be630cec5d4a93 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:02 -0400 Subject: tests: acpi: whitelist pc/q35 DSDT due to HPET AML move Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-5-imammedo@redhat.com> --- tests/qtest/bios-tables-test-allowed-diff.h | 34 +++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..452145badd 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,35 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/pc/DSDT.acpierst", +"tests/data/acpi/pc/DSDT.acpihmat", +"tests/data/acpi/pc/DSDT.bridge", +"tests/data/acpi/pc/DSDT.cphp", +"tests/data/acpi/pc/DSDT.dimmpxm", +"tests/data/acpi/pc/DSDT.hpbridge", +"tests/data/acpi/pc/DSDT.hpbrroot", +"tests/data/acpi/pc/DSDT.ipmikcs", +"tests/data/acpi/pc/DSDT.memhp", +"tests/data/acpi/pc/DSDT.numamem", +"tests/data/acpi/pc/DSDT.roothp", +"tests/data/acpi/q35/DSDT", +"tests/data/acpi/q35/DSDT.acpierst", +"tests/data/acpi/q35/DSDT.acpihmat", +"tests/data/acpi/q35/DSDT.applesmc", +"tests/data/acpi/q35/DSDT.bridge", +"tests/data/acpi/q35/DSDT.cphp", +"tests/data/acpi/q35/DSDT.cxl", +"tests/data/acpi/q35/DSDT.dimmpxm", +"tests/data/acpi/q35/DSDT.ipmibt", +"tests/data/acpi/q35/DSDT.ipmismbus", +"tests/data/acpi/q35/DSDT.ivrs", +"tests/data/acpi/q35/DSDT.memhp", +"tests/data/acpi/q35/DSDT.mmio64", +"tests/data/acpi/q35/DSDT.multi-bridge", +"tests/data/acpi/q35/DSDT.numamem", +"tests/data/acpi/q35/DSDT.pvpanic-isa", +"tests/data/acpi/q35/DSDT.tis.tpm12", +"tests/data/acpi/q35/DSDT.tis.tpm2", +"tests/data/acpi/q35/DSDT.viot", +"tests/data/acpi/q35/DSDT.xapic", +"tests/data/acpi/q35/DSDT.nohpet", +"tests/data/acpi/pc/DSDT.nohpet", -- cgit v1.2.3 From a12cf6923ce121633d877cf3ec53b2bcc85763ca Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:03 -0400 Subject: acpi: x86: refactor PDSM method to reduce nesting .., it will help with code readability and make easier to extend method in followup patches Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-6-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 139 ++++++++++++++++++++++++++++----------------------- 1 file changed, 77 insertions(+), 62 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 67b532f5a5..6d02eed12c 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -574,9 +574,12 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, Aml *aml_pci_device_dsm(void) { - Aml *method, *UUID, *ifctx, *ifctx1, *ifctx2, *ifctx3, *elsectx; - Aml *acpi_index = aml_local(0); + Aml *method, *UUID, *ifctx, *ifctx1; + Aml *ret = aml_local(0); + Aml *caps = aml_local(1); + Aml *acpi_index = aml_local(2); Aml *zero = aml_int(0); + Aml *one = aml_int(1); Aml *bnum = aml_arg(4); Aml *func = aml_arg(2); Aml *rev = aml_arg(1); @@ -584,73 +587,85 @@ Aml *aml_pci_device_dsm(void) method = aml_method("PDSM", 6, AML_SERIALIZED); + /* get supported functions */ + ifctx = aml_if(aml_equal(func, zero)); + { + uint8_t byte_list[1] = { 0 }; /* nothing supported yet */ + aml_append(ifctx, aml_store(aml_buffer(1, byte_list), ret)); + aml_append(ifctx, aml_store(zero, caps)); + + /* + * PCI Firmware Specification 3.1 + * 4.6. _DSM Definitions for PCI + */ + UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D"); + ifctx1 = aml_if(aml_lnot(aml_equal(aml_arg(0), UUID))); + { + /* call is for unsupported UUID, bail out */ + aml_append(ifctx1, aml_return(ret)); + } + aml_append(ifctx, ifctx1); + + ifctx1 = aml_if(aml_lless(rev, aml_int(2))); + { + /* call is for unsupported REV, bail out */ + aml_append(ifctx1, aml_return(ret)); + } + aml_append(ifctx, ifctx1); + + aml_append(ifctx, + aml_store(aml_call2("AIDX", bnum, sunum), acpi_index)); + /* + * advertise function 7 if device has acpi-index + * acpi_index values: + * 0: not present (default value) + * FFFFFFFF: not supported (old QEMU without PIDX reg) + * other: device's acpi-index + */ + ifctx1 = aml_if(aml_lnot( + aml_or(aml_equal(acpi_index, zero), + aml_equal(acpi_index, aml_int(0xFFFFFFFF)), NULL) + )); + { + /* have supported functions */ + aml_append(ifctx1, aml_or(caps, one, caps)); + /* support for function 7 */ + aml_append(ifctx1, + aml_or(caps, aml_shiftleft(one, aml_int(7)), caps)); + } + aml_append(ifctx, ifctx1); + + aml_append(ifctx, aml_store(caps, aml_index(ret, zero))); + aml_append(ifctx, aml_return(ret)); + } + aml_append(method, ifctx); + + /* handle specific functions requests */ /* * PCI Firmware Specification 3.1 - * 4.6. _DSM Definitions for PCI + * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under + * Operating Systems */ - UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D"); - ifctx = aml_if(aml_equal(aml_arg(0), UUID)); + ifctx = aml_if(aml_equal(func, aml_int(7))); { - aml_append(ifctx, aml_store(aml_call2("AIDX", bnum, sunum), acpi_index)); - ifctx1 = aml_if(aml_equal(func, zero)); - { - uint8_t byte_list[1]; + Aml *pkg = aml_package(2); - ifctx2 = aml_if(aml_equal(rev, aml_int(2))); - { - /* - * advertise function 7 if device has acpi-index - * acpi_index values: - * 0: not present (default value) - * FFFFFFFF: not supported (old QEMU without PIDX reg) - * other: device's acpi-index - */ - ifctx3 = aml_if(aml_lnot( - aml_or(aml_equal(acpi_index, zero), - aml_equal(acpi_index, aml_int(0xFFFFFFFF)), NULL) - )); - { - byte_list[0] = - 1 /* have supported functions */ | - 1 << 7 /* support for function 7 */ - ; - aml_append(ifctx3, aml_return(aml_buffer(1, byte_list))); - } - aml_append(ifctx2, ifctx3); - } - aml_append(ifctx1, ifctx2); - - byte_list[0] = 0; /* nothing supported */ - aml_append(ifctx1, aml_return(aml_buffer(1, byte_list))); - } - aml_append(ifctx, ifctx1); - elsectx = aml_else(); - /* - * PCI Firmware Specification 3.1 - * 4.6.7. _DSM for Naming a PCI or PCI Express Device Under - * Operating Systems - */ - ifctx1 = aml_if(aml_equal(func, aml_int(7))); - { - Aml *pkg = aml_package(2); - Aml *ret = aml_local(1); - - aml_append(pkg, zero); - /* - * optional, if not impl. should return null string - */ - aml_append(pkg, aml_string("%s", "")); - aml_append(ifctx1, aml_store(pkg, ret)); - /* - * update acpi-index to actual value - */ - aml_append(ifctx1, aml_store(acpi_index, aml_index(ret, zero))); - aml_append(ifctx1, aml_return(ret)); - } - aml_append(elsectx, ifctx1); - aml_append(ifctx, elsectx); + aml_append(pkg, zero); + /* + * optional, if not impl. should return null string + */ + aml_append(pkg, aml_string("%s", "")); + aml_append(ifctx, aml_store(pkg, ret)); + + aml_append(ifctx, aml_store(aml_call2("AIDX", bnum, sunum), acpi_index)); + /* + * update acpi-index to actual value + */ + aml_append(ifctx, aml_store(acpi_index, aml_index(ret, zero))); } + aml_append(method, ifctx); + aml_append(method, aml_return(ret)); return method; } -- cgit v1.2.3 From 467d099a2985c1e1bd41b234529d7f2262fd2e27 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:04 -0400 Subject: x86: acpi: _DSM: use Package to pass parameters Numer of possible arguments to pass to a method is limited in ACPI. The following patches will need to pass over more parameters to PDSM method, will hit that limit. Prepare for this by passing structure (Package) to method, which let us workaround arguments limitation. Pass to PDSM all standard arguments of _DSM as is, and pack custom parameters into Package that is passed as the last argument to PDSM. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-7-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 40 +++++++++++++++++++++++++++------------- 1 file changed, 27 insertions(+), 13 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 6d02eed12c..a19900c4e4 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -431,11 +431,17 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, ); aml_append(dev, method); method = aml_method("_DSM", 4, AML_SERIALIZED); - aml_append(method, - aml_return(aml_call6("PDSM", aml_arg(0), aml_arg(1), - aml_arg(2), aml_arg(3), - aml_name("BSEL"), aml_name("_SUN"))) - ); + { + Aml *params = aml_local(0); + Aml *pkg = aml_package(2); + aml_append(pkg, aml_name("BSEL")); + aml_append(pkg, aml_name("_SUN")); + aml_append(method, aml_store(pkg, params)); + aml_append(method, + aml_return(aml_call5("PDSM", aml_arg(0), aml_arg(1), + aml_arg(2), aml_arg(3), params)) + ); + } aml_append(dev, method); aml_append(parent_scope, dev); @@ -480,10 +486,17 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, */ aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); method = aml_method("_DSM", 4, AML_SERIALIZED); - aml_append(method, aml_return( - aml_call6("PDSM", aml_arg(0), aml_arg(1), aml_arg(2), - aml_arg(3), aml_name("BSEL"), aml_name("ASUN")) - )); + { + Aml *params = aml_local(0); + Aml *pkg = aml_package(2); + aml_append(pkg, aml_name("BSEL")); + aml_append(pkg, aml_name("ASUN")); + aml_append(method, aml_store(pkg, params)); + aml_append(method, aml_return( + aml_call5("PDSM", aml_arg(0), aml_arg(1), aml_arg(2), + aml_arg(3), params) + )); + } aml_append(dev, method); } @@ -580,12 +593,13 @@ Aml *aml_pci_device_dsm(void) Aml *acpi_index = aml_local(2); Aml *zero = aml_int(0); Aml *one = aml_int(1); - Aml *bnum = aml_arg(4); Aml *func = aml_arg(2); Aml *rev = aml_arg(1); - Aml *sunum = aml_arg(5); + Aml *params = aml_arg(4); + Aml *bnum = aml_derefof(aml_index(params, aml_int(0))); + Aml *sunum = aml_derefof(aml_index(params, aml_int(1))); - method = aml_method("PDSM", 6, AML_SERIALIZED); + method = aml_method("PDSM", 5, AML_SERIALIZED); /* get supported functions */ ifctx = aml_if(aml_equal(func, zero)); @@ -662,10 +676,10 @@ Aml *aml_pci_device_dsm(void) * update acpi-index to actual value */ aml_append(ifctx, aml_store(acpi_index, aml_index(ret, zero))); + aml_append(ifctx, aml_return(ret)); } aml_append(method, ifctx); - aml_append(method, aml_return(ret)); return method; } -- cgit v1.2.3 From 13508ea26a978e1326424ca80a1346c0492f3813 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:05 -0400 Subject: tests: acpi: update expected blobs An intermediate blobs update to keep changes (last 2 patches) reviewable. Includes refactored PDSM that uses Package argument for custom parameters. ===== PDSM taking package as arguments Return (Local0) } - Method (PDSM, 6, Serialized) + Method (PDSM, 5, Serialized) { - If ((Arg0 == ToUUID ("e5c937d0-3553-4d7a-9117-ea4d19c3434d") /* Device Labeling Interface */)) + If ((Arg2 == Zero)) { - Local0 = AIDX (Arg4, Arg5) - If ((Arg2 == Zero)) - { - If ((Arg1 == 0x02)) + Local0 = Buffer (One) { - If (!((Local0 == Zero) | (Local0 == 0xFFFFFFFF))) - { - Return (Buffer (One) - { - 0x81 // . - }) - } + 0x00 // . } + Local1 = Zero + If ((Arg0 != ToUUID ("e5c937d0-3553-4d7a-9117-ea4d19c3434d") /* Device Labeling Interface */)) + { + Return (Local0) + } - Return (Buffer (One) - { - 0x00 // . - }) + If ((Arg1 < 0x02)) + { + Return (Local0) } - ElseIf ((Arg2 == 0x07)) + + Local2 = AIDX (DerefOf (Arg4 [Zero]), DerefOf (Arg4 [One] + )) + If (!((Local2 == Zero) | (Local2 == 0xFFFFFFFF))) { - Local1 = Package (0x02) - { - Zero, - "" - } - Local1 [Zero] = Local0 - Return (Local1) + Local1 |= One + Local1 |= (One << 0x07) } + + Local0 [Zero] = Local1 + Return (Local0) + } + + If ((Arg2 == 0x07)) + { + Local0 = Package (0x02) + { + Zero, + "" + } + Local2 = AIDX (DerefOf (Arg4 [Zero]), DerefOf (Arg4 [One] + )) + Local0 [Zero] = Local2 + Return (Local0) } } } ===== PCI slot using Package to pass arguments to _DSM Name (ASUN, Zero) Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method { - Return (PDSM (Arg0, Arg1, Arg2, Arg3, BSEL, ASUN)) + Local0 = Package (0x02) + { + BSEL, + ASUN + } + Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0)) } } ===== hotpluggable PCI slot using Package to pass arguments to _DSM Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method { - Return (PDSM (Arg0, Arg1, Arg2, Arg3, BSEL, _SUN)) + Local0 = Package (0x02) + { + BSEL, + _SUN + } + Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0)) } } Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-8-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/data/acpi/pc/DSDT | Bin 5987 -> 6219 bytes tests/data/acpi/pc/DSDT.acpierst | Bin 5954 -> 6186 bytes tests/data/acpi/pc/DSDT.acpihmat | Bin 7312 -> 7544 bytes tests/data/acpi/pc/DSDT.bridge | Bin 8653 -> 9078 bytes tests/data/acpi/pc/DSDT.cphp | Bin 6451 -> 6683 bytes tests/data/acpi/pc/DSDT.dimmpxm | Bin 7641 -> 7873 bytes tests/data/acpi/pc/DSDT.hpbridge | Bin 5954 -> 6186 bytes tests/data/acpi/pc/DSDT.ipmikcs | Bin 6059 -> 6291 bytes tests/data/acpi/pc/DSDT.memhp | Bin 7346 -> 7578 bytes tests/data/acpi/pc/DSDT.nohpet | Bin 5845 -> 6077 bytes tests/data/acpi/pc/DSDT.numamem | Bin 5993 -> 6225 bytes tests/data/acpi/pc/DSDT.roothp | Bin 6195 -> 6434 bytes tests/data/acpi/q35/DSDT | Bin 8274 -> 8320 bytes tests/data/acpi/q35/DSDT.acpierst | Bin 8291 -> 8337 bytes tests/data/acpi/q35/DSDT.acpihmat | Bin 9599 -> 9645 bytes tests/data/acpi/q35/DSDT.applesmc | Bin 8320 -> 8366 bytes tests/data/acpi/q35/DSDT.bridge | Bin 10988 -> 11227 bytes tests/data/acpi/q35/DSDT.cphp | Bin 8738 -> 8784 bytes tests/data/acpi/q35/DSDT.cxl | Bin 9600 -> 9646 bytes tests/data/acpi/q35/DSDT.dimmpxm | Bin 9928 -> 9974 bytes tests/data/acpi/q35/DSDT.ipmibt | Bin 8349 -> 8395 bytes tests/data/acpi/q35/DSDT.ipmismbus | Bin 8363 -> 8409 bytes tests/data/acpi/q35/DSDT.ivrs | Bin 8291 -> 8337 bytes tests/data/acpi/q35/DSDT.memhp | Bin 9633 -> 9679 bytes tests/data/acpi/q35/DSDT.mmio64 | Bin 9404 -> 9450 bytes tests/data/acpi/q35/DSDT.multi-bridge | Bin 8568 -> 8628 bytes tests/data/acpi/q35/DSDT.nohpet | Bin 8132 -> 8178 bytes tests/data/acpi/q35/DSDT.numamem | Bin 8280 -> 8326 bytes tests/data/acpi/q35/DSDT.pvpanic-isa | Bin 8375 -> 8421 bytes tests/data/acpi/q35/DSDT.tis.tpm12 | Bin 8880 -> 8926 bytes tests/data/acpi/q35/DSDT.tis.tpm2 | Bin 8906 -> 8952 bytes tests/data/acpi/q35/DSDT.viot | Bin 9383 -> 9429 bytes tests/data/acpi/q35/DSDT.xapic | Bin 35637 -> 35683 bytes tests/qtest/bios-tables-test-allowed-diff.h | 34 ---------------------------- 34 files changed, 34 deletions(-) diff --git a/tests/data/acpi/pc/DSDT b/tests/data/acpi/pc/DSDT index 2d543fbf94..cb718f1a8a 100644 Binary files a/tests/data/acpi/pc/DSDT and b/tests/data/acpi/pc/DSDT differ diff --git a/tests/data/acpi/pc/DSDT.acpierst b/tests/data/acpi/pc/DSDT.acpierst index 798349aa3f..aebb29c2a4 100644 Binary files a/tests/data/acpi/pc/DSDT.acpierst and b/tests/data/acpi/pc/DSDT.acpierst differ diff --git a/tests/data/acpi/pc/DSDT.acpihmat b/tests/data/acpi/pc/DSDT.acpihmat index 2b0fd3433b..b7c5de4634 100644 Binary files a/tests/data/acpi/pc/DSDT.acpihmat and b/tests/data/acpi/pc/DSDT.acpihmat differ diff --git a/tests/data/acpi/pc/DSDT.bridge b/tests/data/acpi/pc/DSDT.bridge index 56398fc014..e04b5b2035 100644 Binary files a/tests/data/acpi/pc/DSDT.bridge and b/tests/data/acpi/pc/DSDT.bridge differ diff --git a/tests/data/acpi/pc/DSDT.cphp b/tests/data/acpi/pc/DSDT.cphp index 38cb47c675..3e8a202b0f 100644 Binary files a/tests/data/acpi/pc/DSDT.cphp and b/tests/data/acpi/pc/DSDT.cphp differ diff --git a/tests/data/acpi/pc/DSDT.dimmpxm b/tests/data/acpi/pc/DSDT.dimmpxm index 06a7aa5946..f7d6ca1448 100644 Binary files a/tests/data/acpi/pc/DSDT.dimmpxm and b/tests/data/acpi/pc/DSDT.dimmpxm differ diff --git a/tests/data/acpi/pc/DSDT.hpbridge b/tests/data/acpi/pc/DSDT.hpbridge index 798349aa3f..aebb29c2a4 100644 Binary files a/tests/data/acpi/pc/DSDT.hpbridge and b/tests/data/acpi/pc/DSDT.hpbridge differ diff --git a/tests/data/acpi/pc/DSDT.ipmikcs b/tests/data/acpi/pc/DSDT.ipmikcs index be7f22f1c2..a7b4760817 100644 Binary files a/tests/data/acpi/pc/DSDT.ipmikcs and b/tests/data/acpi/pc/DSDT.ipmikcs differ diff --git a/tests/data/acpi/pc/DSDT.memhp b/tests/data/acpi/pc/DSDT.memhp index b81e3dd8ec..63fdfe8c02 100644 Binary files a/tests/data/acpi/pc/DSDT.memhp and b/tests/data/acpi/pc/DSDT.memhp differ diff --git a/tests/data/acpi/pc/DSDT.nohpet b/tests/data/acpi/pc/DSDT.nohpet index cb7bf7d850..281b0955ca 100644 Binary files a/tests/data/acpi/pc/DSDT.nohpet and 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304c8229d8..b23339513a 100644 Binary files a/tests/data/acpi/q35/DSDT.dimmpxm and b/tests/data/acpi/q35/DSDT.dimmpxm differ diff --git a/tests/data/acpi/q35/DSDT.ipmibt b/tests/data/acpi/q35/DSDT.ipmibt index b9a5ae240c..8af2695ede 100644 Binary files a/tests/data/acpi/q35/DSDT.ipmibt and b/tests/data/acpi/q35/DSDT.ipmibt differ diff --git a/tests/data/acpi/q35/DSDT.ipmismbus b/tests/data/acpi/q35/DSDT.ipmismbus index a0eeae95c0..479df48cd3 100644 Binary files a/tests/data/acpi/q35/DSDT.ipmismbus and b/tests/data/acpi/q35/DSDT.ipmismbus differ diff --git a/tests/data/acpi/q35/DSDT.ivrs b/tests/data/acpi/q35/DSDT.ivrs index f768380c1c..c9c18fa4e4 100644 Binary files a/tests/data/acpi/q35/DSDT.ivrs and b/tests/data/acpi/q35/DSDT.ivrs differ diff --git a/tests/data/acpi/q35/DSDT.memhp b/tests/data/acpi/q35/DSDT.memhp index b4a9f5a0fe..a5730b8ab8 100644 Binary files a/tests/data/acpi/q35/DSDT.memhp and b/tests/data/acpi/q35/DSDT.memhp differ diff --git a/tests/data/acpi/q35/DSDT.mmio64 b/tests/data/acpi/q35/DSDT.mmio64 index 3af5ef2ea4..a4293c20fe 100644 Binary files a/tests/data/acpi/q35/DSDT.mmio64 and b/tests/data/acpi/q35/DSDT.mmio64 differ diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge index 238668b95f..ae47b004e3 100644 Binary files a/tests/data/acpi/q35/DSDT.multi-bridge and b/tests/data/acpi/q35/DSDT.multi-bridge differ diff --git a/tests/data/acpi/q35/DSDT.nohpet b/tests/data/acpi/q35/DSDT.nohpet index 0fb09121cf..6feed2ee10 100644 Binary files a/tests/data/acpi/q35/DSDT.nohpet and b/tests/data/acpi/q35/DSDT.nohpet differ diff --git a/tests/data/acpi/q35/DSDT.numamem b/tests/data/acpi/q35/DSDT.numamem index 37fa4c3a45..414b8af67b 100644 Binary files a/tests/data/acpi/q35/DSDT.numamem and b/tests/data/acpi/q35/DSDT.numamem differ diff --git a/tests/data/acpi/q35/DSDT.pvpanic-isa b/tests/data/acpi/q35/DSDT.pvpanic-isa index 8705309748..7277a01050 100644 Binary files a/tests/data/acpi/q35/DSDT.pvpanic-isa and b/tests/data/acpi/q35/DSDT.pvpanic-isa differ diff --git a/tests/data/acpi/q35/DSDT.tis.tpm12 b/tests/data/acpi/q35/DSDT.tis.tpm12 index 7408f03e4b..253a66e658 100644 Binary files a/tests/data/acpi/q35/DSDT.tis.tpm12 and b/tests/data/acpi/q35/DSDT.tis.tpm12 differ diff --git a/tests/data/acpi/q35/DSDT.tis.tpm2 b/tests/data/acpi/q35/DSDT.tis.tpm2 index 134c2fbcca..76bd4661e6 100644 Binary files a/tests/data/acpi/q35/DSDT.tis.tpm2 and b/tests/data/acpi/q35/DSDT.tis.tpm2 differ diff --git a/tests/data/acpi/q35/DSDT.viot b/tests/data/acpi/q35/DSDT.viot index be4a254e93..3f14b57f07 100644 Binary files a/tests/data/acpi/q35/DSDT.viot and b/tests/data/acpi/q35/DSDT.viot differ diff --git a/tests/data/acpi/q35/DSDT.xapic b/tests/data/acpi/q35/DSDT.xapic index 2327152da1..baa88f6f21 100644 Binary files a/tests/data/acpi/q35/DSDT.xapic and b/tests/data/acpi/q35/DSDT.xapic differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index 452145badd..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,35 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/pc/DSDT", -"tests/data/acpi/pc/DSDT.acpierst", -"tests/data/acpi/pc/DSDT.acpihmat", -"tests/data/acpi/pc/DSDT.bridge", -"tests/data/acpi/pc/DSDT.cphp", -"tests/data/acpi/pc/DSDT.dimmpxm", -"tests/data/acpi/pc/DSDT.hpbridge", -"tests/data/acpi/pc/DSDT.hpbrroot", -"tests/data/acpi/pc/DSDT.ipmikcs", -"tests/data/acpi/pc/DSDT.memhp", -"tests/data/acpi/pc/DSDT.numamem", -"tests/data/acpi/pc/DSDT.roothp", -"tests/data/acpi/q35/DSDT", -"tests/data/acpi/q35/DSDT.acpierst", -"tests/data/acpi/q35/DSDT.acpihmat", -"tests/data/acpi/q35/DSDT.applesmc", -"tests/data/acpi/q35/DSDT.bridge", -"tests/data/acpi/q35/DSDT.cphp", -"tests/data/acpi/q35/DSDT.cxl", -"tests/data/acpi/q35/DSDT.dimmpxm", -"tests/data/acpi/q35/DSDT.ipmibt", -"tests/data/acpi/q35/DSDT.ipmismbus", -"tests/data/acpi/q35/DSDT.ivrs", -"tests/data/acpi/q35/DSDT.memhp", -"tests/data/acpi/q35/DSDT.mmio64", -"tests/data/acpi/q35/DSDT.multi-bridge", -"tests/data/acpi/q35/DSDT.numamem", -"tests/data/acpi/q35/DSDT.pvpanic-isa", -"tests/data/acpi/q35/DSDT.tis.tpm12", -"tests/data/acpi/q35/DSDT.tis.tpm2", -"tests/data/acpi/q35/DSDT.viot", -"tests/data/acpi/q35/DSDT.xapic", -"tests/data/acpi/q35/DSDT.nohpet", -"tests/data/acpi/pc/DSDT.nohpet", -- cgit v1.2.3 From 18a31b8d3e75f5bb727826dfe6a0c762536bf408 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:06 -0400 Subject: tests: acpi: whitelist pc/q35 DSDT before switching _DSM to use ASUN Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-9-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/bios-tables-test-allowed-diff.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..1983fa596b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,15 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/pc/DSDT.acpierst", +"tests/data/acpi/pc/DSDT.acpihmat", +"tests/data/acpi/pc/DSDT.bridge", +"tests/data/acpi/pc/DSDT.cphp", +"tests/data/acpi/pc/DSDT.dimmpxm", +"tests/data/acpi/pc/DSDT.hpbridge", +"tests/data/acpi/pc/DSDT.ipmikcs", +"tests/data/acpi/pc/DSDT.memhp", +"tests/data/acpi/pc/DSDT.nohpet", +"tests/data/acpi/pc/DSDT.numamem", +"tests/data/acpi/pc/DSDT.roothp", +"tests/data/acpi/q35/DSDT.bridge", +"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 5840a16364b8d7b474b2730a4c73ffb4c1dbaf47 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:07 -0400 Subject: x86: acpi: cleanup PCI device _DSM duplication add ASUN variable to hotpluggable slots and use it instead of _SUN which has the same value to reuse _DMS code on both branches (hot- and non-hotpluggable). No functional change. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-10-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 56 +++++++++++++++++++++++++--------------------------- 1 file changed, 27 insertions(+), 29 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index a19900c4e4..eb92b05197 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -374,6 +374,25 @@ build_facs(GArray *table_data) g_array_append_vals(table_data, reserved, 40); /* Reserved */ } +Aml *aml_pci_device_dsm(void) +{ + Aml *method; + + method = aml_method("_DSM", 4, AML_SERIALIZED); + { + Aml *params = aml_local(0); + Aml *pkg = aml_package(2); + aml_append(pkg, aml_name("BSEL")); + aml_append(pkg, aml_name("ASUN")); + aml_append(method, aml_store(pkg, params)); + aml_append(method, + aml_return(aml_call5("PDSM", aml_arg(0), aml_arg(1), + aml_arg(2), aml_arg(3), params)) + ); + } + return method; +} + static void build_append_pcihp_notify_entry(Aml *method, int slot) { Aml *if_ctx; @@ -423,26 +442,17 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, break; } dev = aml_device("S%.02X", devfn); - aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); + aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); aml_append(dev, aml_name_decl("_ADR", aml_int(adr))); + aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); aml_append(method, aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) ); aml_append(dev, method); - method = aml_method("_DSM", 4, AML_SERIALIZED); - { - Aml *params = aml_local(0); - Aml *pkg = aml_package(2); - aml_append(pkg, aml_name("BSEL")); - aml_append(pkg, aml_name("_SUN")); - aml_append(method, aml_store(pkg, params)); - aml_append(method, - aml_return(aml_call5("PDSM", aml_arg(0), aml_arg(1), - aml_arg(2), aml_arg(3), params)) - ); - } - aml_append(dev, method); + + aml_append(dev, aml_pci_device_dsm()); + aml_append(parent_scope, dev); build_append_pcihp_notify_entry(notify_method, slot); @@ -485,19 +495,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, * enumeration order in linux kernel, so use another variable for it */ aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); - method = aml_method("_DSM", 4, AML_SERIALIZED); - { - Aml *params = aml_local(0); - Aml *pkg = aml_package(2); - aml_append(pkg, aml_name("BSEL")); - aml_append(pkg, aml_name("ASUN")); - aml_append(method, aml_store(pkg, params)); - aml_append(method, aml_return( - aml_call5("PDSM", aml_arg(0), aml_arg(1), aml_arg(2), - aml_arg(3), params) - )); - } - aml_append(dev, method); + aml_append(dev, aml_pci_device_dsm()); } if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { @@ -585,7 +583,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, qobject_unref(bsel); } -Aml *aml_pci_device_dsm(void) +static Aml *aml_pci_pdsm(void) { Aml *method, *UUID, *ifctx, *ifctx1; Aml *ret = aml_local(0); @@ -1368,7 +1366,7 @@ static void build_x86_acpi_pci_hotplug(Aml *table, uint64_t pcihp_addr) aml_append(method, aml_return(aml_local(0))); aml_append(scope, method); - aml_append(scope, aml_pci_device_dsm()); + aml_append(scope, aml_pci_pdsm()); aml_append(table, scope); } -- cgit v1.2.3 From 01766490708273b66e7175c1ff5921edd934348e Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:08 -0400 Subject: tests: acpi: update expected blobs It's expected that hotpluggable slots will, get ASUN variable and use that instead of _SUN with its _DSM method. For example: @@ -979,8 +979,9 @@ DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC ", 0x00000001) Device (S18) { - Name (_SUN, 0x03) // _SUN: Slot User Number + Name (ASUN, 0x03) Name (_ADR, 0x00030000) // _ADR: Address + Name (_SUN, 0x03) // _SUN: Slot User Number Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device { PCEJ (BSEL, _SUN) @@ -991,7 +992,7 @@ DefinitionBlock ("", "DSDT", 1, "BOCHS ", "BXPC ", 0x00000001) Local0 = Package (0x02) { BSEL, - _SUN + ASUN } Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0)) } Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-11-imammedo@redhat.com> --- tests/data/acpi/pc/DSDT | Bin 6219 -> 6422 bytes tests/data/acpi/pc/DSDT.acpierst | Bin 6186 -> 6382 bytes tests/data/acpi/pc/DSDT.acpihmat | Bin 7544 -> 7747 bytes tests/data/acpi/pc/DSDT.bridge | Bin 9078 -> 9496 bytes tests/data/acpi/pc/DSDT.cphp | Bin 6683 -> 6886 bytes tests/data/acpi/pc/DSDT.dimmpxm | Bin 7873 -> 8076 bytes tests/data/acpi/pc/DSDT.hpbridge | Bin 6186 -> 6382 bytes tests/data/acpi/pc/DSDT.ipmikcs | Bin 6291 -> 6494 bytes tests/data/acpi/pc/DSDT.memhp | Bin 7578 -> 7781 bytes tests/data/acpi/pc/DSDT.nohpet | Bin 6077 -> 6280 bytes tests/data/acpi/pc/DSDT.numamem | Bin 6225 -> 6428 bytes tests/data/acpi/pc/DSDT.roothp | Bin 6434 -> 6656 bytes tests/data/acpi/q35/DSDT.bridge | Bin 11227 -> 11449 bytes tests/data/acpi/q35/DSDT.multi-bridge | Bin 8628 -> 8640 bytes tests/qtest/bios-tables-test-allowed-diff.h | 14 -------------- 15 files changed, 14 deletions(-) diff --git a/tests/data/acpi/pc/DSDT b/tests/data/acpi/pc/DSDT index cb718f1a8a..8282d449ce 100644 Binary files a/tests/data/acpi/pc/DSDT and b/tests/data/acpi/pc/DSDT differ diff --git a/tests/data/acpi/pc/DSDT.acpierst b/tests/data/acpi/pc/DSDT.acpierst index aebb29c2a4..9520f3b730 100644 Binary files a/tests/data/acpi/pc/DSDT.acpierst and b/tests/data/acpi/pc/DSDT.acpierst differ diff --git a/tests/data/acpi/pc/DSDT.acpihmat b/tests/data/acpi/pc/DSDT.acpihmat index b7c5de4634..33169838be 100644 Binary files a/tests/data/acpi/pc/DSDT.acpihmat and b/tests/data/acpi/pc/DSDT.acpihmat differ diff --git a/tests/data/acpi/pc/DSDT.bridge b/tests/data/acpi/pc/DSDT.bridge index e04b5b2035..407066e1ac 100644 Binary files a/tests/data/acpi/pc/DSDT.bridge and b/tests/data/acpi/pc/DSDT.bridge differ diff --git a/tests/data/acpi/pc/DSDT.cphp b/tests/data/acpi/pc/DSDT.cphp index 3e8a202b0f..013de15491 100644 Binary files a/tests/data/acpi/pc/DSDT.cphp and b/tests/data/acpi/pc/DSDT.cphp differ diff --git a/tests/data/acpi/pc/DSDT.dimmpxm b/tests/data/acpi/pc/DSDT.dimmpxm index f7d6ca1448..289ec07c07 100644 Binary files a/tests/data/acpi/pc/DSDT.dimmpxm and b/tests/data/acpi/pc/DSDT.dimmpxm differ diff --git a/tests/data/acpi/pc/DSDT.hpbridge b/tests/data/acpi/pc/DSDT.hpbridge index aebb29c2a4..9520f3b730 100644 Binary files a/tests/data/acpi/pc/DSDT.hpbridge and b/tests/data/acpi/pc/DSDT.hpbridge differ diff --git a/tests/data/acpi/pc/DSDT.ipmikcs b/tests/data/acpi/pc/DSDT.ipmikcs index a7b4760817..59a6d58608 100644 Binary files a/tests/data/acpi/pc/DSDT.ipmikcs and b/tests/data/acpi/pc/DSDT.ipmikcs differ diff --git a/tests/data/acpi/pc/DSDT.memhp b/tests/data/acpi/pc/DSDT.memhp index 63fdfe8c02..47d63dec8f 100644 Binary files a/tests/data/acpi/pc/DSDT.memhp and b/tests/data/acpi/pc/DSDT.memhp differ diff --git a/tests/data/acpi/pc/DSDT.nohpet b/tests/data/acpi/pc/DSDT.nohpet index 281b0955ca..47e4bf62eb 100644 Binary files a/tests/data/acpi/pc/DSDT.nohpet and b/tests/data/acpi/pc/DSDT.nohpet differ diff --git a/tests/data/acpi/pc/DSDT.numamem b/tests/data/acpi/pc/DSDT.numamem index 34914bf1ed..1c4e0c8021 100644 Binary files a/tests/data/acpi/pc/DSDT.numamem and b/tests/data/acpi/pc/DSDT.numamem differ diff --git a/tests/data/acpi/pc/DSDT.roothp b/tests/data/acpi/pc/DSDT.roothp index bba1612c97..f9a5164e0c 100644 Binary files a/tests/data/acpi/pc/DSDT.roothp and b/tests/data/acpi/pc/DSDT.roothp differ diff --git a/tests/data/acpi/q35/DSDT.bridge b/tests/data/acpi/q35/DSDT.bridge index d03e14b24d..f8a0bc150f 100644 Binary files a/tests/data/acpi/q35/DSDT.bridge and b/tests/data/acpi/q35/DSDT.bridge differ diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge index ae47b004e3..df91b798f7 100644 Binary files a/tests/data/acpi/q35/DSDT.multi-bridge and b/tests/data/acpi/q35/DSDT.multi-bridge differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index 1983fa596b..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,15 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/pc/DSDT", -"tests/data/acpi/pc/DSDT.acpierst", -"tests/data/acpi/pc/DSDT.acpihmat", -"tests/data/acpi/pc/DSDT.bridge", -"tests/data/acpi/pc/DSDT.cphp", -"tests/data/acpi/pc/DSDT.dimmpxm", -"tests/data/acpi/pc/DSDT.hpbridge", -"tests/data/acpi/pc/DSDT.ipmikcs", -"tests/data/acpi/pc/DSDT.memhp", -"tests/data/acpi/pc/DSDT.nohpet", -"tests/data/acpi/pc/DSDT.numamem", -"tests/data/acpi/pc/DSDT.roothp", -"tests/data/acpi/q35/DSDT.bridge", -"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 5d08517fd723a8d2348a93a5706f6bd3aa659adf Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:09 -0400 Subject: tests: acpi: whitelist pc/q35 DSDT before moving _ADR field Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-12-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- tests/qtest/bios-tables-test-allowed-diff.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..1983fa596b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,15 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/pc/DSDT.acpierst", +"tests/data/acpi/pc/DSDT.acpihmat", +"tests/data/acpi/pc/DSDT.bridge", +"tests/data/acpi/pc/DSDT.cphp", +"tests/data/acpi/pc/DSDT.dimmpxm", +"tests/data/acpi/pc/DSDT.hpbridge", +"tests/data/acpi/pc/DSDT.ipmikcs", +"tests/data/acpi/pc/DSDT.memhp", +"tests/data/acpi/pc/DSDT.nohpet", +"tests/data/acpi/pc/DSDT.numamem", +"tests/data/acpi/pc/DSDT.roothp", +"tests/data/acpi/q35/DSDT.bridge", +"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 366047d6251f931eb72049b8d32b0eb7f894cc4c Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:10 -0400 Subject: x86: pci: acpi: reorder Device's _ADR and _SUN fields no functional change, align order of fields in empty slot descriptor with a populated slot ordering. Expected diff: - Name (_SUN, 0x0X) // _SUN: Slot User Number Name (_ADR, 0xY) // _ADR: Address ... + Name (_SUN, 0xX) // _SUN: Slot User Number that will eliminate contextual changes (causing test failures) when follow up patches merge code generating populated and empty slots descriptors. Put mandatory _ADR as the 1st field, then ASUN as it can be present for both pupulated and empty slots and only then _SUN which is present only when slot is hotpluggable. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-13-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index eb92b05197..6342467af4 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -442,8 +442,8 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, break; } dev = aml_device("S%.02X", devfn); - aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); aml_append(dev, aml_name_decl("_ADR", aml_int(adr))); + aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); aml_append(method, -- cgit v1.2.3 From 3c99559269ed6b6cc3051a1219e1785487b9249c Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:11 -0400 Subject: tests: acpi: update expected blobs Expected change: - Name (_SUN, 0x0X) // _SUN: Slot User Number Name (_ADR, 0xY) // _ADR: Address ... + Name (_SUN, 0xX) // _SUN: Slot User Number Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-14-imammedo@redhat.com> --- tests/data/acpi/pc/DSDT | Bin 6422 -> 6422 bytes tests/data/acpi/pc/DSDT.acpierst | Bin 6382 -> 6382 bytes tests/data/acpi/pc/DSDT.acpihmat | Bin 7747 -> 7747 bytes tests/data/acpi/pc/DSDT.bridge | Bin 9496 -> 9496 bytes tests/data/acpi/pc/DSDT.cphp | Bin 6886 -> 6886 bytes tests/data/acpi/pc/DSDT.dimmpxm | Bin 8076 -> 8076 bytes tests/data/acpi/pc/DSDT.hpbridge | Bin 6382 -> 6382 bytes tests/data/acpi/pc/DSDT.ipmikcs | Bin 6494 -> 6494 bytes tests/data/acpi/pc/DSDT.memhp | Bin 7781 -> 7781 bytes tests/data/acpi/pc/DSDT.nohpet | Bin 6280 -> 6280 bytes tests/data/acpi/pc/DSDT.numamem | Bin 6428 -> 6428 bytes tests/data/acpi/pc/DSDT.roothp | Bin 6656 -> 6656 bytes tests/data/acpi/q35/DSDT.bridge | Bin 11449 -> 11449 bytes tests/data/acpi/q35/DSDT.multi-bridge | Bin 8640 -> 8640 bytes tests/qtest/bios-tables-test-allowed-diff.h | 14 -------------- 15 files changed, 14 deletions(-) diff --git a/tests/data/acpi/pc/DSDT b/tests/data/acpi/pc/DSDT index 8282d449ce..fd79a602a2 100644 Binary files a/tests/data/acpi/pc/DSDT and b/tests/data/acpi/pc/DSDT differ diff --git a/tests/data/acpi/pc/DSDT.acpierst b/tests/data/acpi/pc/DSDT.acpierst index 9520f3b730..bcaebed683 100644 Binary files a/tests/data/acpi/pc/DSDT.acpierst and b/tests/data/acpi/pc/DSDT.acpierst differ diff --git a/tests/data/acpi/pc/DSDT.acpihmat b/tests/data/acpi/pc/DSDT.acpihmat index 33169838be..973320cb25 100644 Binary files a/tests/data/acpi/pc/DSDT.acpihmat and b/tests/data/acpi/pc/DSDT.acpihmat differ diff --git a/tests/data/acpi/pc/DSDT.bridge b/tests/data/acpi/pc/DSDT.bridge index 407066e1ac..9583da4e4f 100644 Binary files a/tests/data/acpi/pc/DSDT.bridge and b/tests/data/acpi/pc/DSDT.bridge differ diff --git a/tests/data/acpi/pc/DSDT.cphp b/tests/data/acpi/pc/DSDT.cphp index 013de15491..27d1fc90f5 100644 Binary files a/tests/data/acpi/pc/DSDT.cphp and b/tests/data/acpi/pc/DSDT.cphp differ diff --git a/tests/data/acpi/pc/DSDT.dimmpxm b/tests/data/acpi/pc/DSDT.dimmpxm index 289ec07c07..efa46bc786 100644 Binary files a/tests/data/acpi/pc/DSDT.dimmpxm and b/tests/data/acpi/pc/DSDT.dimmpxm differ diff --git a/tests/data/acpi/pc/DSDT.hpbridge b/tests/data/acpi/pc/DSDT.hpbridge index 9520f3b730..bcaebed683 100644 Binary files a/tests/data/acpi/pc/DSDT.hpbridge and b/tests/data/acpi/pc/DSDT.hpbridge differ diff --git a/tests/data/acpi/pc/DSDT.ipmikcs b/tests/data/acpi/pc/DSDT.ipmikcs index 59a6d58608..67b60cc44a 100644 Binary files a/tests/data/acpi/pc/DSDT.ipmikcs and b/tests/data/acpi/pc/DSDT.ipmikcs differ diff --git a/tests/data/acpi/pc/DSDT.memhp b/tests/data/acpi/pc/DSDT.memhp index 47d63dec8f..084957e53f 100644 Binary files a/tests/data/acpi/pc/DSDT.memhp and b/tests/data/acpi/pc/DSDT.memhp differ diff --git a/tests/data/acpi/pc/DSDT.nohpet b/tests/data/acpi/pc/DSDT.nohpet index 47e4bf62eb..46827e2854 100644 Binary files a/tests/data/acpi/pc/DSDT.nohpet and b/tests/data/acpi/pc/DSDT.nohpet differ diff --git a/tests/data/acpi/pc/DSDT.numamem b/tests/data/acpi/pc/DSDT.numamem index 1c4e0c8021..ebdccc880d 100644 Binary files a/tests/data/acpi/pc/DSDT.numamem and b/tests/data/acpi/pc/DSDT.numamem differ diff --git a/tests/data/acpi/pc/DSDT.roothp b/tests/data/acpi/pc/DSDT.roothp index f9a5164e0c..f9aacee095 100644 Binary files a/tests/data/acpi/pc/DSDT.roothp and b/tests/data/acpi/pc/DSDT.roothp differ diff --git a/tests/data/acpi/q35/DSDT.bridge b/tests/data/acpi/q35/DSDT.bridge index f8a0bc150f..37ef245f67 100644 Binary files a/tests/data/acpi/q35/DSDT.bridge and b/tests/data/acpi/q35/DSDT.bridge differ diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge index df91b798f7..e9b67e9ebe 100644 Binary files a/tests/data/acpi/q35/DSDT.multi-bridge and b/tests/data/acpi/q35/DSDT.multi-bridge differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index 1983fa596b..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,15 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/pc/DSDT", -"tests/data/acpi/pc/DSDT.acpierst", -"tests/data/acpi/pc/DSDT.acpihmat", -"tests/data/acpi/pc/DSDT.bridge", -"tests/data/acpi/pc/DSDT.cphp", -"tests/data/acpi/pc/DSDT.dimmpxm", -"tests/data/acpi/pc/DSDT.hpbridge", -"tests/data/acpi/pc/DSDT.ipmikcs", -"tests/data/acpi/pc/DSDT.memhp", -"tests/data/acpi/pc/DSDT.nohpet", -"tests/data/acpi/pc/DSDT.numamem", -"tests/data/acpi/pc/DSDT.roothp", -"tests/data/acpi/q35/DSDT.bridge", -"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 166cff2b8fa428ec411dd4beea98d8c4aa07f76d Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:12 -0400 Subject: tests: acpi: whitelist pc/q35 DSDT before moving _ADR field Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-15-imammedo@redhat.com> --- tests/qtest/bios-tables-test-allowed-diff.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index dfb8523c8b..1983fa596b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1 +1,15 @@ /* List of comma-separated changed AML files to ignore */ +"tests/data/acpi/pc/DSDT", +"tests/data/acpi/pc/DSDT.acpierst", +"tests/data/acpi/pc/DSDT.acpihmat", +"tests/data/acpi/pc/DSDT.bridge", +"tests/data/acpi/pc/DSDT.cphp", +"tests/data/acpi/pc/DSDT.dimmpxm", +"tests/data/acpi/pc/DSDT.hpbridge", +"tests/data/acpi/pc/DSDT.ipmikcs", +"tests/data/acpi/pc/DSDT.memhp", +"tests/data/acpi/pc/DSDT.nohpet", +"tests/data/acpi/pc/DSDT.numamem", +"tests/data/acpi/pc/DSDT.roothp", +"tests/data/acpi/q35/DSDT.bridge", +"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 87debd32a8e0fe272135d50ffe52b9287ccbdbd7 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:13 -0400 Subject: x86: pci: acpi: reorder Device's _DSM method align _DSM method in empty slot descriptor with a populated slot position. Expected change: + Device (SE8) + { + Name (_ADR, 0x001D0000) // _ADR: Address + Name (ASUN, 0x1D) Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method { Local0 = Package (0x02) { BSEL, ASUN } Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0)) } - } - Device (SE8) - { - Name (_ADR, 0x001D0000) // _ADR: Address - Name (ASUN, 0x1D) Name (_SUN, 0x1D) // _SUN: Slot User Number Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device { PCEJ (BSEL, _SUN) } + } i.e. put _DSM right after ASUN, with _SUN/_EJ0 following it. that will eliminate contextual changes (causing test failures) when follow up patches merge code generating populated and empty slots descriptors. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-16-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 6342467af4..fc23cb08c3 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -444,15 +444,13 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, dev = aml_device("S%.02X", devfn); aml_append(dev, aml_name_decl("_ADR", aml_int(adr))); aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); + aml_append(dev, aml_pci_device_dsm()); aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); aml_append(method, aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) ); aml_append(dev, method); - - aml_append(dev, aml_pci_device_dsm()); - aml_append(parent_scope, dev); build_append_pcihp_notify_entry(notify_method, slot); -- cgit v1.2.3 From 1ccd2220948c8d577ec8a3473a15f52ce2841800 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:14 -0400 Subject: tests: acpi: update expected blobs Expected change: + Device (SE8) + { + Name (_ADR, 0x001D0000) // _ADR: Address + Name (ASUN, 0x1D) Method (_DSM, 4, Serialized) // _DSM: Device-Specific Method { Local0 = Package (0x02) { BSEL, ASUN } Return (PDSM (Arg0, Arg1, Arg2, Arg3, Local0)) } - } - Device (SE8) - { - Name (_ADR, 0x001D0000) // _ADR: Address - Name (ASUN, 0x1D) Name (_SUN, 0x1D) // _SUN: Slot User Number Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device { PCEJ (BSEL, _SUN) } + } Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-17-imammedo@redhat.com> --- tests/data/acpi/pc/DSDT | Bin 6422 -> 6422 bytes tests/data/acpi/pc/DSDT.acpierst | Bin 6382 -> 6382 bytes tests/data/acpi/pc/DSDT.acpihmat | Bin 7747 -> 7747 bytes tests/data/acpi/pc/DSDT.bridge | Bin 9496 -> 9496 bytes tests/data/acpi/pc/DSDT.cphp | Bin 6886 -> 6886 bytes tests/data/acpi/pc/DSDT.dimmpxm | Bin 8076 -> 8076 bytes tests/data/acpi/pc/DSDT.hpbridge | Bin 6382 -> 6382 bytes tests/data/acpi/pc/DSDT.ipmikcs | Bin 6494 -> 6494 bytes tests/data/acpi/pc/DSDT.memhp | Bin 7781 -> 7781 bytes tests/data/acpi/pc/DSDT.nohpet | Bin 6280 -> 6280 bytes tests/data/acpi/pc/DSDT.numamem | Bin 6428 -> 6428 bytes tests/data/acpi/pc/DSDT.roothp | Bin 6656 -> 6656 bytes tests/data/acpi/q35/DSDT.bridge | Bin 11449 -> 11449 bytes tests/data/acpi/q35/DSDT.multi-bridge | Bin 8640 -> 8640 bytes tests/qtest/bios-tables-test-allowed-diff.h | 14 -------------- 15 files changed, 14 deletions(-) diff --git a/tests/data/acpi/pc/DSDT b/tests/data/acpi/pc/DSDT index fd79a602a2..da2a3e5c05 100644 Binary files a/tests/data/acpi/pc/DSDT and b/tests/data/acpi/pc/DSDT differ diff --git a/tests/data/acpi/pc/DSDT.acpierst b/tests/data/acpi/pc/DSDT.acpierst index bcaebed683..abcd6d9d30 100644 Binary files a/tests/data/acpi/pc/DSDT.acpierst and b/tests/data/acpi/pc/DSDT.acpierst differ diff --git a/tests/data/acpi/pc/DSDT.acpihmat b/tests/data/acpi/pc/DSDT.acpihmat index 973320cb25..884d4871a2 100644 Binary files a/tests/data/acpi/pc/DSDT.acpihmat and b/tests/data/acpi/pc/DSDT.acpihmat differ diff --git a/tests/data/acpi/pc/DSDT.bridge b/tests/data/acpi/pc/DSDT.bridge index 9583da4e4f..31a79aa476 100644 Binary files a/tests/data/acpi/pc/DSDT.bridge and b/tests/data/acpi/pc/DSDT.bridge differ diff --git a/tests/data/acpi/pc/DSDT.cphp b/tests/data/acpi/pc/DSDT.cphp index 27d1fc90f5..8b0cae4dbf 100644 Binary files a/tests/data/acpi/pc/DSDT.cphp and b/tests/data/acpi/pc/DSDT.cphp differ diff --git a/tests/data/acpi/pc/DSDT.dimmpxm b/tests/data/acpi/pc/DSDT.dimmpxm index efa46bc786..38865fb667 100644 Binary files a/tests/data/acpi/pc/DSDT.dimmpxm and b/tests/data/acpi/pc/DSDT.dimmpxm differ diff --git a/tests/data/acpi/pc/DSDT.hpbridge b/tests/data/acpi/pc/DSDT.hpbridge index bcaebed683..abcd6d9d30 100644 Binary files a/tests/data/acpi/pc/DSDT.hpbridge and b/tests/data/acpi/pc/DSDT.hpbridge differ diff --git a/tests/data/acpi/pc/DSDT.ipmikcs b/tests/data/acpi/pc/DSDT.ipmikcs index 67b60cc44a..e819ce6946 100644 Binary files a/tests/data/acpi/pc/DSDT.ipmikcs and b/tests/data/acpi/pc/DSDT.ipmikcs differ diff --git a/tests/data/acpi/pc/DSDT.memhp b/tests/data/acpi/pc/DSDT.memhp index 084957e53f..03a9decdc1 100644 Binary files a/tests/data/acpi/pc/DSDT.memhp and b/tests/data/acpi/pc/DSDT.memhp differ diff --git a/tests/data/acpi/pc/DSDT.nohpet b/tests/data/acpi/pc/DSDT.nohpet index 46827e2854..b413d9f31d 100644 Binary files a/tests/data/acpi/pc/DSDT.nohpet and b/tests/data/acpi/pc/DSDT.nohpet differ diff --git a/tests/data/acpi/pc/DSDT.numamem b/tests/data/acpi/pc/DSDT.numamem index ebdccc880d..9e701b2983 100644 Binary files a/tests/data/acpi/pc/DSDT.numamem and b/tests/data/acpi/pc/DSDT.numamem differ diff --git a/tests/data/acpi/pc/DSDT.roothp b/tests/data/acpi/pc/DSDT.roothp index f9aacee095..8c3956c9ec 100644 Binary files a/tests/data/acpi/pc/DSDT.roothp and b/tests/data/acpi/pc/DSDT.roothp differ diff --git a/tests/data/acpi/q35/DSDT.bridge b/tests/data/acpi/q35/DSDT.bridge index 37ef245f67..a42eb674fa 100644 Binary files a/tests/data/acpi/q35/DSDT.bridge and b/tests/data/acpi/q35/DSDT.bridge differ diff --git a/tests/data/acpi/q35/DSDT.multi-bridge b/tests/data/acpi/q35/DSDT.multi-bridge index e9b67e9ebe..88bf47ab18 100644 Binary files a/tests/data/acpi/q35/DSDT.multi-bridge and b/tests/data/acpi/q35/DSDT.multi-bridge differ diff --git a/tests/qtest/bios-tables-test-allowed-diff.h b/tests/qtest/bios-tables-test-allowed-diff.h index 1983fa596b..dfb8523c8b 100644 --- a/tests/qtest/bios-tables-test-allowed-diff.h +++ b/tests/qtest/bios-tables-test-allowed-diff.h @@ -1,15 +1 @@ /* List of comma-separated changed AML files to ignore */ -"tests/data/acpi/pc/DSDT", -"tests/data/acpi/pc/DSDT.acpierst", -"tests/data/acpi/pc/DSDT.acpihmat", -"tests/data/acpi/pc/DSDT.bridge", -"tests/data/acpi/pc/DSDT.cphp", -"tests/data/acpi/pc/DSDT.dimmpxm", -"tests/data/acpi/pc/DSDT.hpbridge", -"tests/data/acpi/pc/DSDT.ipmikcs", -"tests/data/acpi/pc/DSDT.memhp", -"tests/data/acpi/pc/DSDT.nohpet", -"tests/data/acpi/pc/DSDT.numamem", -"tests/data/acpi/pc/DSDT.roothp", -"tests/data/acpi/q35/DSDT.bridge", -"tests/data/acpi/q35/DSDT.multi-bridge", -- cgit v1.2.3 From 3216ab2acb08b47d4ff83e709406690d37e44aff Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Fri, 1 Jul 2022 09:35:15 -0400 Subject: x86: pci: acpi: consolidate PCI slots creation No functional changes nor AML bytecode changes. Consolidate code that generates empty and populated slot descriptors. Besides eliminating duplication, it helps consolidate conditions for generating parts of Device{} desriptor in one place, which makes code more compact and easier to read. Signed-off-by: Igor Mammedov Message-Id: <20220701133515.137890-18-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 111 +++++++++++++++++++++++++-------------------------- 1 file changed, 54 insertions(+), 57 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index fc23cb08c3..4f54b61904 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -427,13 +427,41 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, int func = PCI_FUNC(devfn); /* ACPI spec: 1.0b: Table 6-2 _ADR Object Bus Types, PCI type */ int adr = slot << 16 | func; - bool hotplug_enabled_dev; - bool bridge_in_acpi; - bool cold_plugged_bridge; + bool hotpluggbale_slot = false; + bool bridge_in_acpi = false; + bool cold_plugged_bridge = false; + bool is_vga = false; + + if (pdev) { + pc = PCI_DEVICE_GET_CLASS(pdev); + dc = DEVICE_GET_CLASS(pdev); + + if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { + continue; + } + + is_vga = pc->class_id == PCI_CLASS_DISPLAY_VGA; - if (!pdev) { /* - * add hotplug slots for non present devices. + * Cold plugged bridges aren't themselves hot-pluggable. + * Hotplugged bridges *are* hot-pluggable. + */ + cold_plugged_bridge = pc->is_bridge && !DEVICE(pdev)->hotplugged; + bridge_in_acpi = cold_plugged_bridge && pcihp_bridge_en; + + hotpluggbale_slot = bsel && dc->hotpluggable && + !cold_plugged_bridge; + + /* + * allow describing coldplugged bridges in ACPI even if they are not + * on function 0, as they are not unpluggable, for all other devices + * generate description only for function 0 per slot + */ + if (func && !bridge_in_acpi) { + continue; + } + } else { + /* * hotplug is supported only for non-multifunction device * so generate device description only for function 0 */ @@ -441,46 +469,11 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, if (pci_bus_is_express(bus) && slot > 0) { break; } - dev = aml_device("S%.02X", devfn); - aml_append(dev, aml_name_decl("_ADR", aml_int(adr))); - aml_append(dev, aml_name_decl("ASUN", aml_int(slot))); - aml_append(dev, aml_pci_device_dsm()); - aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); - method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); - aml_append(method, - aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) - ); - aml_append(dev, method); - aml_append(parent_scope, dev); - - build_append_pcihp_notify_entry(notify_method, slot); + /* mark it as empty hotpluggable slot */ + hotpluggbale_slot = true; + } else { + continue; } - continue; - } - - pc = PCI_DEVICE_GET_CLASS(pdev); - dc = DEVICE_GET_CLASS(pdev); - - /* - * Cold plugged bridges aren't themselves hot-pluggable. - * Hotplugged bridges *are* hot-pluggable. - */ - cold_plugged_bridge = pc->is_bridge && !DEVICE(pdev)->hotplugged; - bridge_in_acpi = cold_plugged_bridge && pcihp_bridge_en; - - hotplug_enabled_dev = bsel && dc->hotpluggable && !cold_plugged_bridge; - - if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { - continue; - } - - /* - * allow describing coldplugged bridges in ACPI even if they are not - * on function 0, as they are not unpluggable, for all other devices - * generate description only for function 0 per slot - */ - if (func && !bridge_in_acpi) { - continue; } /* start to compose PCI device descriptor */ @@ -496,7 +489,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, aml_append(dev, aml_pci_device_dsm()); } - if (pc->class_id == PCI_CLASS_DISPLAY_VGA) { + if (is_vga) { /* add VGA specific AML methods */ int s3d; @@ -517,19 +510,10 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, method = aml_method("_S3D", 0, AML_NOTSERIALIZED); aml_append(method, aml_return(aml_int(s3d))); aml_append(dev, method); - } else if (hotplug_enabled_dev) { - aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); - /* add _EJ0 to make slot hotpluggable */ - method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); - aml_append(method, - aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) - ); - aml_append(dev, method); + } - if (bsel) { - build_append_pcihp_notify_entry(notify_method, slot); - } - } else if (bridge_in_acpi) { + bridge_in_acpi = cold_plugged_bridge && pcihp_bridge_en; + if (bridge_in_acpi) { /* * device is coldplugged bridge, * add child device descriptions into its scope @@ -538,6 +522,19 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, build_append_pci_bus_devices(dev, sec_bus, pcihp_bridge_en); } + + if (hotpluggbale_slot) { + aml_append(dev, aml_name_decl("_SUN", aml_int(slot))); + /* add _EJ0 to make slot hotpluggable */ + method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); + aml_append(method, + aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN")) + ); + aml_append(dev, method); + + build_append_pcihp_notify_entry(notify_method, slot); + } + /* device descriptor has been composed, add it into parent context */ aml_append(parent_scope, dev); } -- cgit v1.2.3