diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/qxl-render.c | 11 | ||||
-rw-r--r-- | hw/virtio-serial-bus.c | 195 | ||||
-rw-r--r-- | hw/xen_console.c | 28 | ||||
-rw-r--r-- | hw/xen_pt.c | 5 | ||||
-rw-r--r-- | hw/xen_pt_msi.c | 2 |
5 files changed, 144 insertions, 97 deletions
diff --git a/hw/qxl-render.c b/hw/qxl-render.c index 98ecb21405..88e63f8085 100644 --- a/hw/qxl-render.c +++ b/hw/qxl-render.c @@ -113,11 +113,12 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) qxl->guest_primary.bits_pp); if (qxl->guest_primary.qxl_stride > 0) { qemu_free_displaysurface(vga->ds); - qemu_create_displaysurface_from(qxl->guest_primary.surface.width, - qxl->guest_primary.surface.height, - qxl->guest_primary.bits_pp, - qxl->guest_primary.abs_stride, - qxl->guest_primary.data); + vga->ds->surface = qemu_create_displaysurface_from + (qxl->guest_primary.surface.width, + qxl->guest_primary.surface.height, + qxl->guest_primary.bits_pp, + qxl->guest_primary.abs_stride, + qxl->guest_primary.data); } else { qemu_resize_displaysurface(vga->ds, qxl->guest_primary.surface.width, diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index 155da58dcd..ce4556fc48 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -36,6 +36,15 @@ struct VirtIOSerialBus { uint32_t max_nr_ports; }; +typedef struct VirtIOSerialPostLoad { + QEMUTimer *timer; + uint32_t nr_active_ports; + struct { + VirtIOSerialPort *port; + uint8_t host_connected; + } *connected; +} VirtIOSerialPostLoad; + struct VirtIOSerial { VirtIODevice vdev; @@ -54,14 +63,7 @@ struct VirtIOSerial { struct virtio_console_config config; - struct { - QEMUTimer *timer; - int nr_active_ports; - struct { - VirtIOSerialPort *port; - uint8_t host_connected; - } *connected; - } post_load; + struct VirtIOSerialPostLoad *post_load; }; static VirtIOSerialPort *find_port_by_id(VirtIOSerial *vser, uint32_t id) @@ -215,13 +217,12 @@ static void flush_queued_data(VirtIOSerialPort *port) do_flush_queued_data(port, port->ovq, &port->vser->vdev); } -static size_t send_control_msg(VirtIOSerialPort *port, void *buf, size_t len) +static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len) { VirtQueueElement elem; VirtQueue *vq; - struct virtio_console_control *cpkt; - vq = port->vser->c_ivq; + vq = vser->c_ivq; if (!virtio_queue_ready(vq)) { return 0; } @@ -229,25 +230,24 @@ static size_t send_control_msg(VirtIOSerialPort *port, void *buf, size_t len) return 0; } - cpkt = (struct virtio_console_control *)buf; - stl_p(&cpkt->id, port->id); memcpy(elem.in_sg[0].iov_base, buf, len); virtqueue_push(vq, &elem, len); - virtio_notify(&port->vser->vdev, vq); + virtio_notify(&vser->vdev, vq); return len; } -static size_t send_control_event(VirtIOSerialPort *port, uint16_t event, - uint16_t value) +static size_t send_control_event(VirtIOSerial *vser, uint32_t port_id, + uint16_t event, uint16_t value) { struct virtio_console_control cpkt; + stl_p(&cpkt.id, port_id); stw_p(&cpkt.event, event); stw_p(&cpkt.value, value); - trace_virtio_serial_send_control_event(port->id, event, value); - return send_control_msg(port, &cpkt, sizeof(cpkt)); + trace_virtio_serial_send_control_event(port_id, event, value); + return send_control_msg(vser, &cpkt, sizeof(cpkt)); } /* Functions for use inside qemu to open and read from/write to ports */ @@ -259,7 +259,7 @@ int virtio_serial_open(VirtIOSerialPort *port) } /* Send port open notification to the guest */ port->host_connected = true; - send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, 1); + send_control_event(port->vser, port->id, VIRTIO_CONSOLE_PORT_OPEN, 1); return 0; } @@ -274,7 +274,7 @@ int virtio_serial_close(VirtIOSerialPort *port) port->throttled = false; discard_vq_data(port->ovq, &port->vser->vdev); - send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, 0); + send_control_event(port->vser, port->id, VIRTIO_CONSOLE_PORT_OPEN, 0); return 0; } @@ -363,7 +363,7 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) * ports we have here. */ QTAILQ_FOREACH(port, &vser->ports, next) { - send_control_event(port, VIRTIO_CONSOLE_PORT_ADD, 1); + send_control_event(vser, port->id, VIRTIO_CONSOLE_PORT_ADD, 1); } return; } @@ -394,10 +394,11 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) * up to hvc. */ if (vsc->is_console) { - send_control_event(port, VIRTIO_CONSOLE_CONSOLE_PORT, 1); + send_control_event(vser, port->id, VIRTIO_CONSOLE_CONSOLE_PORT, 1); } if (port->name) { + stl_p(&cpkt.id, port->id); stw_p(&cpkt.event, VIRTIO_CONSOLE_PORT_NAME); stw_p(&cpkt.value, 1); @@ -408,12 +409,12 @@ static void handle_control_message(VirtIOSerial *vser, void *buf, size_t len) memcpy(buffer + sizeof(cpkt), port->name, strlen(port->name)); buffer[buffer_len - 1] = 0; - send_control_msg(port, buffer, buffer_len); + send_control_msg(vser, buffer, buffer_len); g_free(buffer); } if (port->host_connected) { - send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, 1); + send_control_event(vser, port->id, VIRTIO_CONSOLE_PORT_OPEN, 1); } /* @@ -637,31 +638,91 @@ static void virtio_serial_save(QEMUFile *f, void *opaque) static void virtio_serial_post_load_timer_cb(void *opaque) { - int i; + uint32_t i; VirtIOSerial *s = opaque; VirtIOSerialPort *port; uint8_t host_connected; - for (i = 0 ; i < s->post_load.nr_active_ports; ++i) { - port = s->post_load.connected[i].port; - host_connected = s->post_load.connected[i].host_connected; + if (!s->post_load) { + return; + } + for (i = 0 ; i < s->post_load->nr_active_ports; ++i) { + port = s->post_load->connected[i].port; + host_connected = s->post_load->connected[i].host_connected; if (host_connected != port->host_connected) { /* * We have to let the guest know of the host connection * status change */ - send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN, + send_control_event(s, port->id, VIRTIO_CONSOLE_PORT_OPEN, port->host_connected); } } - g_free(s->post_load.connected); - s->post_load.connected = NULL; + g_free(s->post_load->connected); + qemu_free_timer(s->post_load->timer); + g_free(s->post_load); + s->post_load = NULL; +} + +static int fetch_active_ports_list(QEMUFile *f, int version_id, + VirtIOSerial *s, uint32_t nr_active_ports) +{ + uint32_t i; + + s->post_load = g_malloc0(sizeof(*s->post_load)); + s->post_load->nr_active_ports = nr_active_ports; + s->post_load->connected = + g_malloc0(sizeof(*s->post_load->connected) * nr_active_ports); + + s->post_load->timer = qemu_new_timer_ns(vm_clock, + virtio_serial_post_load_timer_cb, + s); + + /* Items in struct VirtIOSerialPort */ + for (i = 0; i < nr_active_ports; i++) { + VirtIOSerialPort *port; + uint32_t id; + + id = qemu_get_be32(f); + port = find_port_by_id(s, id); + if (!port) { + return -EINVAL; + } + + port->guest_connected = qemu_get_byte(f); + s->post_load->connected[i].port = port; + s->post_load->connected[i].host_connected = qemu_get_byte(f); + + if (version_id > 2) { + uint32_t elem_popped; + + qemu_get_be32s(f, &elem_popped); + if (elem_popped) { + qemu_get_be32s(f, &port->iov_idx); + qemu_get_be64s(f, &port->iov_offset); + + qemu_get_buffer(f, (unsigned char *)&port->elem, + sizeof(port->elem)); + virtqueue_map_sg(port->elem.in_sg, port->elem.in_addr, + port->elem.in_num, 1); + virtqueue_map_sg(port->elem.out_sg, port->elem.out_addr, + port->elem.out_num, 1); + + /* + * Port was throttled on source machine. Let's + * unthrottle it here so data starts flowing again. + */ + virtio_serial_throttle_port(port, false); + } + } + } + qemu_mod_timer(s->post_load->timer, 1); + return 0; } static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) { VirtIOSerial *s = opaque; - VirtIOSerialPort *port; uint32_t max_nr_ports, nr_active_ports, ports_map; unsigned int i; int ret; @@ -705,48 +766,12 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id) qemu_get_be32s(f, &nr_active_ports); - s->post_load.nr_active_ports = nr_active_ports; - s->post_load.connected = - g_malloc0(sizeof(*s->post_load.connected) * nr_active_ports); - - /* Items in struct VirtIOSerialPort */ - for (i = 0; i < nr_active_ports; i++) { - uint32_t id; - - id = qemu_get_be32(f); - port = find_port_by_id(s, id); - if (!port) { - return -EINVAL; - } - - port->guest_connected = qemu_get_byte(f); - s->post_load.connected[i].port = port; - s->post_load.connected[i].host_connected = qemu_get_byte(f); - - if (version_id > 2) { - uint32_t elem_popped; - - qemu_get_be32s(f, &elem_popped); - if (elem_popped) { - qemu_get_be32s(f, &port->iov_idx); - qemu_get_be64s(f, &port->iov_offset); - - qemu_get_buffer(f, (unsigned char *)&port->elem, - sizeof(port->elem)); - virtqueue_map_sg(port->elem.in_sg, port->elem.in_addr, - port->elem.in_num, 1); - virtqueue_map_sg(port->elem.out_sg, port->elem.out_addr, - port->elem.out_num, 1); - - /* - * Port was throttled on source machine. Let's - * unthrottle it here so data starts flowing again. - */ - virtio_serial_throttle_port(port, false); - } + if (nr_active_ports) { + ret = fetch_active_ports_list(f, version_id, s, nr_active_ports); + if (ret) { + return ret; } } - qemu_mod_timer(s->post_load.timer, 1); return 0; } @@ -815,9 +840,7 @@ static void mark_port_added(VirtIOSerial *vser, uint32_t port_id) static void add_port(VirtIOSerial *vser, uint32_t port_id) { mark_port_added(vser, port_id); - - send_control_event(find_port_by_id(vser, port_id), - VIRTIO_CONSOLE_PORT_ADD, 1); + send_control_event(vser, port_id, VIRTIO_CONSOLE_PORT_ADD, 1); } static void remove_port(VirtIOSerial *vser, uint32_t port_id) @@ -829,10 +852,16 @@ static void remove_port(VirtIOSerial *vser, uint32_t port_id) vser->ports_map[i] &= ~(1U << (port_id % 32)); port = find_port_by_id(vser, port_id); + /* + * This function is only called from qdev's unplug callback; if we + * get a NULL port here, we're in trouble. + */ + assert(port); + /* Flush out any unconsumed buffers first */ discard_vq_data(port->ovq, &port->vser->vdev); - send_control_event(port, VIRTIO_CONSOLE_PORT_REMOVE, 1); + send_control_event(vser, port->id, VIRTIO_CONSOLE_PORT_REMOVE, 1); } static int virtser_port_qdev_init(DeviceState *qdev) @@ -989,6 +1018,8 @@ VirtIODevice *virtio_serial_init(DeviceState *dev, virtio_serial_conf *conf) vser->qdev = dev; + vser->post_load = NULL; + /* * Register for the savevm section with the virtio-console name * to preserve backward compat @@ -996,9 +1027,6 @@ VirtIODevice *virtio_serial_init(DeviceState *dev, virtio_serial_conf *conf) register_savevm(dev, "virtio-console", -1, 3, virtio_serial_save, virtio_serial_load, vser); - vser->post_load.timer = qemu_new_timer_ns(vm_clock, - virtio_serial_post_load_timer_cb, vser); - return vdev; } @@ -1011,9 +1039,12 @@ void virtio_serial_exit(VirtIODevice *vdev) g_free(vser->ivqs); g_free(vser->ovqs); g_free(vser->ports_map); - g_free(vser->post_load.connected); - qemu_free_timer(vser->post_load.timer); - + if (vser->post_load) { + g_free(vser->post_load->connected); + qemu_del_timer(vser->post_load->timer); + qemu_free_timer(vser->post_load->timer); + g_free(vser->post_load); + } virtio_cleanup(vdev); } diff --git a/hw/xen_console.c b/hw/xen_console.c index 9426d7374f..134988144b 100644 --- a/hw/xen_console.c +++ b/hw/xen_console.c @@ -184,7 +184,11 @@ static int con_init(struct XenDevice *xendev) /* setup */ dom = xs_get_domain_path(xenstore, con->xendev.dom); - snprintf(con->console, sizeof(con->console), "%s/console", dom); + if (!xendev->dev) { + snprintf(con->console, sizeof(con->console), "%s/console", dom); + } else { + snprintf(con->console, sizeof(con->console), "%s/device/console/%d", dom, xendev->dev); + } free(dom); type = xenstore_read_str(con->console, "type"); @@ -223,10 +227,16 @@ static int con_initialise(struct XenDevice *xendev) if (xenstore_read_int(con->console, "limit", &limit) == 0) con->buffer.max_capacity = limit; - con->sring = xc_map_foreign_range(xen_xc, con->xendev.dom, - XC_PAGE_SIZE, - PROT_READ|PROT_WRITE, - con->ring_ref); + if (!xendev->dev) { + con->sring = xc_map_foreign_range(xen_xc, con->xendev.dom, + XC_PAGE_SIZE, + PROT_READ|PROT_WRITE, + con->ring_ref); + } else { + con->sring = xc_gnttab_map_grant_ref(xendev->gnttabdev, con->xendev.dom, + con->ring_ref, + PROT_READ|PROT_WRITE); + } if (!con->sring) return -1; @@ -255,7 +265,11 @@ static void con_disconnect(struct XenDevice *xendev) xen_be_unbind_evtchn(&con->xendev); if (con->sring) { - munmap(con->sring, XC_PAGE_SIZE); + if (!xendev->gnttabdev) { + munmap(con->sring, XC_PAGE_SIZE); + } else { + xc_gnttab_munmap(xendev->gnttabdev, con->sring, 1); + } con->sring = NULL; } } @@ -273,7 +287,7 @@ static void con_event(struct XenDevice *xendev) struct XenDevOps xen_console_ops = { .size = sizeof(struct XenConsole), - .flags = DEVOPS_FLAG_IGNORE_STATE, + .flags = DEVOPS_FLAG_IGNORE_STATE|DEVOPS_FLAG_NEED_GNTDEV, .init = con_init, .initialise = con_initialise, .event = con_event, diff --git a/hw/xen_pt.c b/hw/xen_pt.c index 7a3846e649..7aae826d1f 100644 --- a/hw/xen_pt.c +++ b/hw/xen_pt.c @@ -671,7 +671,8 @@ static int xen_pt_initfn(PCIDevice *d) s->is_virtfn = s->real_device.is_virtfn; if (s->is_virtfn) { XEN_PT_LOG(d, "%04x:%02x:%02x.%d is a SR-IOV Virtual Function\n", - s->real_device.domain, bus, slot, func); + s->real_device.domain, s->real_device.bus, + s->real_device.dev, s->real_device.func); } /* Initialize virtualized PCI configuration (Extended 256 Bytes) */ @@ -752,7 +753,7 @@ out: memory_listener_register(&s->memory_listener, &address_space_memory); memory_listener_register(&s->io_listener, &address_space_io); XEN_PT_LOG(d, "Real physical device %02x:%02x.%d registered successfuly!\n", - bus, slot, func); + s->hostaddr.bus, s->hostaddr.slot, s->hostaddr.function); return 0; } diff --git a/hw/xen_pt_msi.c b/hw/xen_pt_msi.c index 680767229b..db757cd1f1 100644 --- a/hw/xen_pt_msi.c +++ b/hw/xen_pt_msi.c @@ -321,7 +321,7 @@ static int xen_pt_msix_update_one(XenPCIPassthroughState *s, int entry_nr) pirq = entry->pirq; - rc = msi_msix_setup(s, entry->data, entry->data, &pirq, true, entry_nr, + rc = msi_msix_setup(s, entry->addr, entry->data, &pirq, true, entry_nr, entry->pirq == XEN_PT_UNASSIGNED_PIRQ); if (rc) { return rc; |