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-rw-r--r--include/hw/i386/pc.h57
-rw-r--r--include/hw/virtio/virtio-access.h170
-rw-r--r--include/hw/virtio/virtio.h17
3 files changed, 205 insertions, 39 deletions
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 486e98feac..1c0c382d8c 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -294,43 +294,6 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
int e820_get_num_entries(void);
bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
-#define PC_Q35_COMPAT_2_0 \
- PC_COMPAT_2_0, \
- {\
- .driver = "ICH9-LPC",\
- .property = "memory-hotplug-support",\
- .value = "off",\
- },{\
- .driver = "xio3130-downstream",\
- .property = COMPAT_PROP_PCP,\
- .value = "off",\
- },{\
- .driver = "ioh3420",\
- .property = COMPAT_PROP_PCP,\
- .value = "off",\
- }
-
-#define PC_Q35_COMPAT_1_7 \
- PC_COMPAT_1_7, \
- PC_Q35_COMPAT_2_0, \
- {\
- .driver = "hpet",\
- .property = HPET_INTCAP,\
- .value = stringify(4),\
- }
-
-#define PC_Q35_COMPAT_1_6 \
- PC_COMPAT_1_6, \
- PC_Q35_COMPAT_1_7
-
-#define PC_Q35_COMPAT_1_5 \
- PC_COMPAT_1_5, \
- PC_Q35_COMPAT_1_6
-
-#define PC_Q35_COMPAT_1_4 \
- PC_COMPAT_1_4, \
- PC_Q35_COMPAT_1_5
-
#define PC_COMPAT_2_0 \
{\
.driver = "virtio-scsi-pci",\
@@ -358,7 +321,7 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
},\
{\
.driver = "pci-serial-2x",\
- .property = "prof_if",\
+ .property = "prog_if",\
.value = stringify(0),\
},\
{\
@@ -370,6 +333,19 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "virtio-net-pci",\
.property = "guest_announce",\
.value = "off",\
+ },\
+ {\
+ .driver = "ICH9-LPC",\
+ .property = "memory-hotplug-support",\
+ .value = "off",\
+ },{\
+ .driver = "xio3130-downstream",\
+ .property = COMPAT_PROP_PCP,\
+ .value = "off",\
+ },{\
+ .driver = "ioh3420",\
+ .property = COMPAT_PROP_PCP,\
+ .value = "off",\
}
#define PC_COMPAT_1_7 \
@@ -383,6 +359,11 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
.driver = "PIIX4_PM",\
.property = "acpi-pci-hotplug-with-bridge-support",\
.value = "off",\
+ },\
+ {\
+ .driver = "hpet",\
+ .property = HPET_INTCAP,\
+ .value = stringify(4),\
}
#define PC_COMPAT_1_6 \
diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h
new file mode 100644
index 0000000000..46456fd9da
--- /dev/null
+++ b/include/hw/virtio/virtio-access.h
@@ -0,0 +1,170 @@
+/*
+ * Virtio Accessor Support: In case your target can change endian.
+ *
+ * Copyright IBM, Corp. 2013
+ *
+ * Authors:
+ * Rusty Russell <rusty@au.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+#ifndef _QEMU_VIRTIO_ACCESS_H
+#define _QEMU_VIRTIO_ACCESS_H
+#include "hw/virtio/virtio.h"
+#include "exec/address-spaces.h"
+
+static inline bool virtio_access_is_big_endian(VirtIODevice *vdev)
+{
+#if defined(TARGET_IS_BIENDIAN)
+ return virtio_is_big_endian(vdev);
+#elif defined(TARGET_WORDS_BIGENDIAN)
+ return true;
+#else
+ return false;
+#endif
+}
+
+static inline uint16_t virtio_lduw_phys(VirtIODevice *vdev, hwaddr pa)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return lduw_be_phys(&address_space_memory, pa);
+ }
+ return lduw_le_phys(&address_space_memory, pa);
+}
+
+static inline uint32_t virtio_ldl_phys(VirtIODevice *vdev, hwaddr pa)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return ldl_be_phys(&address_space_memory, pa);
+ }
+ return ldl_le_phys(&address_space_memory, pa);
+}
+
+static inline uint64_t virtio_ldq_phys(VirtIODevice *vdev, hwaddr pa)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return ldq_be_phys(&address_space_memory, pa);
+ }
+ return ldq_le_phys(&address_space_memory, pa);
+}
+
+static inline void virtio_stw_phys(VirtIODevice *vdev, hwaddr pa,
+ uint16_t value)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ stw_be_phys(&address_space_memory, pa, value);
+ } else {
+ stw_le_phys(&address_space_memory, pa, value);
+ }
+}
+
+static inline void virtio_stl_phys(VirtIODevice *vdev, hwaddr pa,
+ uint32_t value)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ stl_be_phys(&address_space_memory, pa, value);
+ } else {
+ stl_le_phys(&address_space_memory, pa, value);
+ }
+}
+
+static inline void virtio_stw_p(VirtIODevice *vdev, void *ptr, uint16_t v)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ stw_be_p(ptr, v);
+ } else {
+ stw_le_p(ptr, v);
+ }
+}
+
+static inline void virtio_stl_p(VirtIODevice *vdev, void *ptr, uint32_t v)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ stl_be_p(ptr, v);
+ } else {
+ stl_le_p(ptr, v);
+ }
+}
+
+static inline void virtio_stq_p(VirtIODevice *vdev, void *ptr, uint64_t v)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ stq_be_p(ptr, v);
+ } else {
+ stq_le_p(ptr, v);
+ }
+}
+
+static inline int virtio_lduw_p(VirtIODevice *vdev, const void *ptr)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return lduw_be_p(ptr);
+ } else {
+ return lduw_le_p(ptr);
+ }
+}
+
+static inline int virtio_ldl_p(VirtIODevice *vdev, const void *ptr)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return ldl_be_p(ptr);
+ } else {
+ return ldl_le_p(ptr);
+ }
+}
+
+static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr)
+{
+ if (virtio_access_is_big_endian(vdev)) {
+ return ldq_be_p(ptr);
+ } else {
+ return ldq_le_p(ptr);
+ }
+}
+
+static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s)
+{
+#ifdef HOST_WORDS_BIGENDIAN
+ return virtio_access_is_big_endian(vdev) ? s : bswap16(s);
+#else
+ return virtio_access_is_big_endian(vdev) ? bswap16(s) : s;
+#endif
+}
+
+static inline void virtio_tswap16s(VirtIODevice *vdev, uint16_t *s)
+{
+ *s = virtio_tswap16(vdev, *s);
+}
+
+static inline uint32_t virtio_tswap32(VirtIODevice *vdev, uint32_t s)
+{
+#ifdef HOST_WORDS_BIGENDIAN
+ return virtio_access_is_big_endian(vdev) ? s : bswap32(s);
+#else
+ return virtio_access_is_big_endian(vdev) ? bswap32(s) : s;
+#endif
+}
+
+static inline void virtio_tswap32s(VirtIODevice *vdev, uint32_t *s)
+{
+ *s = virtio_tswap32(vdev, *s);
+}
+
+static inline uint64_t virtio_tswap64(VirtIODevice *vdev, uint64_t s)
+{
+#ifdef HOST_WORDS_BIGENDIAN
+ return virtio_access_is_big_endian(vdev) ? s : bswap64(s);
+#else
+ return virtio_access_is_big_endian(vdev) ? bswap64(s) : s;
+#endif
+}
+
+static inline void virtio_tswap64s(VirtIODevice *vdev, uint64_t *s)
+{
+ *s = virtio_tswap64(vdev, *s);
+}
+#endif /* _QEMU_VIRTIO_ACCESS_H */
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 3e54e90aad..a60104ca24 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -104,6 +104,12 @@ typedef struct VirtQueueElement
#define VIRTIO_DEVICE(obj) \
OBJECT_CHECK(VirtIODevice, (obj), TYPE_VIRTIO_DEVICE)
+enum virtio_device_endian {
+ VIRTIO_DEVICE_ENDIAN_UNKNOWN,
+ VIRTIO_DEVICE_ENDIAN_LITTLE,
+ VIRTIO_DEVICE_ENDIAN_BIG,
+};
+
struct VirtIODevice
{
DeviceState parent_obj;
@@ -121,6 +127,7 @@ struct VirtIODevice
bool vm_running;
VMChangeStateEntry *vmstate;
char *bus_name;
+ uint8_t device_endian;
};
typedef struct VirtioDeviceClass {
@@ -150,6 +157,8 @@ typedef struct VirtioDeviceClass {
* must mask in frontend instead.
*/
void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask);
+ void (*save)(VirtIODevice *vdev, QEMUFile *f);
+ int (*load)(VirtIODevice *vdev, QEMUFile *f, int version_id);
} VirtioDeviceClass;
void virtio_init(VirtIODevice *vdev, const char *name,
@@ -184,7 +193,7 @@ void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);
void virtio_save(VirtIODevice *vdev, QEMUFile *f);
-int virtio_load(VirtIODevice *vdev, QEMUFile *f);
+int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id);
void virtio_notify_config(VirtIODevice *vdev);
@@ -253,4 +262,10 @@ void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign,
bool set_handler);
void virtio_queue_notify_vq(VirtQueue *vq);
void virtio_irq(VirtQueue *vq);
+
+static inline bool virtio_is_big_endian(VirtIODevice *vdev)
+{
+ assert(vdev->device_endian != VIRTIO_DEVICE_ENDIAN_UNKNOWN);
+ return vdev->device_endian == VIRTIO_DEVICE_ENDIAN_BIG;
+}
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2025-02-06 14:54:07 +0000