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-rw-r--r--hw/scsi/scsi-bus.c16
-rw-r--r--hw/scsi/scsi-disk.c52
-rw-r--r--hw/scsi/scsi-generic.c2
-rw-r--r--hw/scsi/vhost-scsi.c45
-rw-r--r--hw/scsi/virtio-scsi.c63
5 files changed, 114 insertions, 64 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 3e5e31da8f..50b89ad4aa 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -469,6 +469,8 @@ static int32_t scsi_target_send_command(SCSIRequest *req, uint8_t *buf)
r->req.dev->sense_is_ua = false;
}
break;
+ case TEST_UNIT_READY:
+ break;
default:
scsi_req_build_sense(req, SENSE_CODE(LUN_NOT_SUPPORTED));
scsi_req_complete(req, CHECK_CONDITION);
@@ -886,7 +888,6 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
case RELEASE:
case ERASE:
case ALLOW_MEDIUM_REMOVAL:
- case VERIFY_10:
case SEEK_10:
case SYNCHRONIZE_CACHE:
case SYNCHRONIZE_CACHE_16:
@@ -903,6 +904,16 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
case ALLOW_OVERWRITE:
cmd->xfer = 0;
break;
+ case VERIFY_10:
+ case VERIFY_12:
+ case VERIFY_16:
+ if ((buf[1] & 2) == 0) {
+ cmd->xfer = 0;
+ } else if ((buf[1] & 4) == 1) {
+ cmd->xfer = 1;
+ }
+ cmd->xfer *= dev->blocksize;
+ break;
case MODE_SENSE:
break;
case WRITE_SAME_10:
@@ -1100,6 +1111,9 @@ static void scsi_cmd_xfer_mode(SCSICommand *cmd)
case WRITE_VERIFY_12:
case WRITE_16:
case WRITE_VERIFY_16:
+ case VERIFY_10:
+ case VERIFY_12:
+ case VERIFY_16:
case COPY:
case COPY_VERIFY:
case COMPARE:
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index efadfc023f..a8d0f15ebe 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -47,6 +47,7 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#define SCSI_MAX_MODE_LEN 256
#define DEFAULT_DISCARD_GRANULARITY 4096
+#define DEFAULT_MAX_UNMAP_SIZE (1 << 30) /* 1 GB */
typedef struct SCSIDiskState SCSIDiskState;
@@ -74,6 +75,7 @@ struct SCSIDiskState
bool media_event;
bool eject_request;
uint64_t wwn;
+ uint64_t max_unmap_size;
QEMUBH *bh;
char *version;
char *serial;
@@ -625,6 +627,8 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
s->qdev.conf.min_io_size / s->qdev.blocksize;
unsigned int opt_io_size =
s->qdev.conf.opt_io_size / s->qdev.blocksize;
+ unsigned int max_unmap_sectors =
+ s->max_unmap_size / s->qdev.blocksize;
if (s->qdev.type == TYPE_ROM) {
DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
@@ -647,6 +651,18 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
outbuf[14] = (opt_io_size >> 8) & 0xff;
outbuf[15] = opt_io_size & 0xff;
+ /* max unmap LBA count, default is 1GB */
+ outbuf[20] = (max_unmap_sectors >> 24) & 0xff;
+ outbuf[21] = (max_unmap_sectors >> 16) & 0xff;
+ outbuf[22] = (max_unmap_sectors >> 8) & 0xff;
+ outbuf[23] = max_unmap_sectors & 0xff;
+
+ /* max unmap descriptors, 255 fit in 4 kb with an 8-byte header. */
+ outbuf[24] = 0;
+ outbuf[25] = 0;
+ outbuf[26] = 0;
+ outbuf[27] = 255;
+
/* optimal unmap granularity */
outbuf[28] = (unmap_sectors >> 24) & 0xff;
outbuf[29] = (unmap_sectors >> 16) & 0xff;
@@ -1626,7 +1642,7 @@ static void scsi_write_same_complete(void *opaque, int ret)
bdrv_acct_start(s->qdev.conf.bs, &r->acct, data->iov.iov_len, BDRV_ACCT_WRITE);
r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, data->sector,
&data->qiov, data->iov.iov_len / 512,
- scsi_write_same_complete, r);
+ scsi_write_same_complete, data);
return;
}
@@ -1720,10 +1736,19 @@ static void scsi_disk_emulate_write_data(SCSIRequest *req)
scsi_disk_emulate_unmap(r, r->iov.iov_base);
break;
+ case VERIFY_10:
+ case VERIFY_12:
+ case VERIFY_16:
+ if (r->req.status == -1) {
+ scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));
+ }
+ break;
+
case WRITE_SAME_10:
case WRITE_SAME_16:
scsi_disk_emulate_write_same(r, r->iov.iov_base);
break;
+
default:
abort();
}
@@ -1964,6 +1989,14 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
case UNMAP:
DPRINTF("Unmap (len %lu)\n", (long)r->req.cmd.xfer);
break;
+ case VERIFY_10:
+ case VERIFY_12:
+ case VERIFY_16:
+ DPRINTF("Verify (bytchk %lu)\n", (r->req.buf[1] >> 1) & 3);
+ if (req->cmd.buf[1] & 6) {
+ goto illegal_request;
+ }
+ break;
case WRITE_SAME_10:
case WRITE_SAME_16:
DPRINTF("WRITE SAME %d (len %lu)\n",
@@ -2044,10 +2077,6 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf)
scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
return 0;
}
- /* fallthrough */
- case VERIFY_10:
- case VERIFY_12:
- case VERIFY_16:
DPRINTF("Write %s(sector %" PRId64 ", count %u)\n",
(command & 0xe) == 0xe ? "And Verify " : "",
r->req.cmd.lba, len);
@@ -2225,7 +2254,7 @@ static int scsi_initfn(SCSIDevice *dev)
} else {
bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_disk_block_ops, s);
}
- bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize);
+ bdrv_set_guest_block_size(s->qdev.conf.bs, s->qdev.blocksize);
bdrv_iostatus_enable(s->qdev.conf.bs);
add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, NULL);
@@ -2277,6 +2306,7 @@ static const SCSIReqOps scsi_disk_emulate_reqops = {
.send_command = scsi_disk_emulate_command,
.read_data = scsi_disk_emulate_read_data,
.write_data = scsi_disk_emulate_write_data,
+ .cancel_io = scsi_cancel_io,
.get_buf = scsi_get_buf,
};
@@ -2315,14 +2345,14 @@ static const SCSIReqOps *const scsi_disk_reqops_dispatch[256] = {
[UNMAP] = &scsi_disk_emulate_reqops,
[WRITE_SAME_10] = &scsi_disk_emulate_reqops,
[WRITE_SAME_16] = &scsi_disk_emulate_reqops,
+ [VERIFY_10] = &scsi_disk_emulate_reqops,
+ [VERIFY_12] = &scsi_disk_emulate_reqops,
+ [VERIFY_16] = &scsi_disk_emulate_reqops,
[READ_6] = &scsi_disk_dma_reqops,
[READ_10] = &scsi_disk_dma_reqops,
[READ_12] = &scsi_disk_dma_reqops,
[READ_16] = &scsi_disk_dma_reqops,
- [VERIFY_10] = &scsi_disk_dma_reqops,
- [VERIFY_12] = &scsi_disk_dma_reqops,
- [VERIFY_16] = &scsi_disk_dma_reqops,
[WRITE_6] = &scsi_disk_dma_reqops,
[WRITE_10] = &scsi_disk_dma_reqops,
[WRITE_12] = &scsi_disk_dma_reqops,
@@ -2506,6 +2536,8 @@ static Property scsi_hd_properties[] = {
DEFINE_PROP_BIT("dpofua", SCSIDiskState, features,
SCSI_DISK_F_DPOFUA, false),
DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0),
+ DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
+ DEFAULT_MAX_UNMAP_SIZE),
DEFINE_BLOCK_CHS_PROPERTIES(SCSIDiskState, qdev.conf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2615,6 +2647,8 @@ static Property scsi_disk_properties[] = {
DEFINE_PROP_BIT("dpofua", SCSIDiskState, features,
SCSI_DISK_F_DPOFUA, false),
DEFINE_PROP_HEX64("wwn", SCSIDiskState, wwn, 0),
+ DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
+ DEFAULT_MAX_UNMAP_SIZE),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 8f195bec00..f08b64e177 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -210,7 +210,7 @@ static void scsi_read_complete(void * opaque, int ret)
s->blocksize = ldl_be_p(&r->buf[8]);
s->max_lba = ldq_be_p(&r->buf[0]);
}
- bdrv_set_buffer_alignment(s->conf.bs, s->blocksize);
+ bdrv_set_guest_block_size(s->conf.bs, s->blocksize);
scsi_req_data(&r->req, len);
if (!r->req.io_canceled) {
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index 9e770fba98..3983a5b464 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -196,29 +196,31 @@ static void vhost_scsi_set_status(VirtIODevice *vdev, uint8_t val)
}
}
-static int vhost_scsi_init(VirtIODevice *vdev)
+static void vhost_scsi_realize(DeviceState *dev, Error **errp)
{
- VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
- VHostSCSI *s = VHOST_SCSI(vdev);
+ VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(dev);
+ VHostSCSI *s = VHOST_SCSI(dev);
+ Error *err = NULL;
int vhostfd = -1;
int ret;
if (!vs->conf.wwpn) {
- error_report("vhost-scsi: missing wwpn\n");
- return -EINVAL;
+ error_setg(errp, "vhost-scsi: missing wwpn");
+ return;
}
if (vs->conf.vhostfd) {
vhostfd = monitor_handle_fd_param(cur_mon, vs->conf.vhostfd);
if (vhostfd == -1) {
- error_report("vhost-scsi: unable to parse vhostfd\n");
- return -EINVAL;
+ error_setg(errp, "vhost-scsi: unable to parse vhostfd");
+ return;
}
}
- ret = virtio_scsi_common_init(vs);
- if (ret < 0) {
- return ret;
+ virtio_scsi_common_realize(dev, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
}
s->dev.nvqs = VHOST_SCSI_VQ_NUM_FIXED + vs->conf.num_queues;
@@ -227,24 +229,21 @@ static int vhost_scsi_init(VirtIODevice *vdev)
ret = vhost_dev_init(&s->dev, vhostfd, "/dev/vhost-scsi", true);
if (ret < 0) {
- error_report("vhost-scsi: vhost initialization failed: %s\n",
- strerror(-ret));
- return ret;
+ error_setg(errp, "vhost-scsi: vhost initialization failed: %s",
+ strerror(-ret));
+ return;
}
s->dev.backend_features = 0;
error_setg(&s->migration_blocker,
"vhost-scsi does not support migration");
migrate_add_blocker(s->migration_blocker);
-
- return 0;
}
-static int vhost_scsi_exit(DeviceState *qdev)
+static void vhost_scsi_unrealize(DeviceState *dev, Error **errp)
{
- VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
- VHostSCSI *s = VHOST_SCSI(qdev);
- VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(qdev);
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VHostSCSI *s = VHOST_SCSI(dev);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
@@ -253,7 +252,8 @@ static int vhost_scsi_exit(DeviceState *qdev)
vhost_scsi_set_status(vdev, 0);
g_free(s->dev.vqs);
- return virtio_scsi_common_exit(vs);
+
+ virtio_scsi_common_unrealize(dev, errp);
}
static Property vhost_scsi_properties[] = {
@@ -265,10 +265,11 @@ static void vhost_scsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
- dc->exit = vhost_scsi_exit;
+
dc->props = vhost_scsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
- vdc->init = vhost_scsi_init;
+ vdc->realize = vhost_scsi_realize;
+ vdc->unrealize = vhost_scsi_unrealize;
vdc->get_features = vhost_scsi_get_features;
vdc->set_config = vhost_scsi_set_config;
vdc->set_status = vhost_scsi_set_status;
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 26d95a14ec..6610b3aab3 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -306,6 +306,10 @@ static void virtio_scsi_command_complete(SCSIRequest *r, uint32_t status,
VirtIOSCSIReq *req = r->hba_private;
uint32_t sense_len;
+ if (r->io_canceled) {
+ return;
+ }
+
req->resp.cmd->response = VIRTIO_SCSI_S_OK;
req->resp.cmd->status = status;
if (req->resp.cmd->status == GOOD) {
@@ -516,7 +520,7 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev,
evt->event = event;
evt->reason = reason;
if (!dev) {
- assert(event == VIRTIO_SCSI_T_NO_EVENT);
+ assert(event == VIRTIO_SCSI_T_EVENTS_MISSED);
} else {
evt->lun[0] = 1;
evt->lun[1] = dev->id;
@@ -589,12 +593,13 @@ static struct SCSIBusInfo virtio_scsi_scsi_info = {
.load_request = virtio_scsi_load_request,
};
-int virtio_scsi_common_init(VirtIOSCSICommon *s)
+void virtio_scsi_common_realize(DeviceState *dev, Error **errp)
{
- VirtIODevice *vdev = VIRTIO_DEVICE(s);
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VirtIOSCSICommon *s = VIRTIO_SCSI_COMMON(dev);
int i;
- virtio_init(VIRTIO_DEVICE(s), "virtio-scsi", VIRTIO_ID_SCSI,
+ virtio_init(vdev, "virtio-scsi", VIRTIO_ID_SCSI,
sizeof(VirtIOSCSIConfig));
s->cmd_vqs = g_malloc0(s->conf.num_queues * sizeof(VirtQueue *));
@@ -609,57 +614,52 @@ int virtio_scsi_common_init(VirtIOSCSICommon *s)
s->cmd_vqs[i] = virtio_add_queue(vdev, VIRTIO_SCSI_VQ_SIZE,
virtio_scsi_handle_cmd);
}
-
- return 0;
}
-static int virtio_scsi_device_init(VirtIODevice *vdev)
+static void virtio_scsi_device_realize(DeviceState *dev, Error **errp)
{
- DeviceState *qdev = DEVICE(vdev);
- VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(vdev);
- VirtIOSCSI *s = VIRTIO_SCSI(vdev);
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VirtIOSCSI *s = VIRTIO_SCSI(dev);
static int virtio_scsi_id;
Error *err = NULL;
- int ret;
- ret = virtio_scsi_common_init(vs);
- if (ret < 0) {
- return ret;
+ virtio_scsi_common_realize(dev, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
}
- scsi_bus_new(&s->bus, sizeof(s->bus), qdev,
+ scsi_bus_new(&s->bus, sizeof(s->bus), dev,
&virtio_scsi_scsi_info, vdev->bus_name);
- if (!qdev->hotplugged) {
+ if (!dev->hotplugged) {
scsi_bus_legacy_handle_cmdline(&s->bus, &err);
if (err != NULL) {
- error_free(err);
- return -1;
+ error_propagate(errp, err);
+ return;
}
}
- register_savevm(qdev, "virtio-scsi", virtio_scsi_id++, 1,
+ register_savevm(dev, "virtio-scsi", virtio_scsi_id++, 1,
virtio_scsi_save, virtio_scsi_load, s);
-
- return 0;
}
-int virtio_scsi_common_exit(VirtIOSCSICommon *vs)
+void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp)
{
- VirtIODevice *vdev = VIRTIO_DEVICE(vs);
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(dev);
g_free(vs->cmd_vqs);
virtio_cleanup(vdev);
- return 0;
}
-static int virtio_scsi_device_exit(DeviceState *qdev)
+static void virtio_scsi_device_unrealize(DeviceState *dev, Error **errp)
{
- VirtIOSCSI *s = VIRTIO_SCSI(qdev);
- VirtIOSCSICommon *vs = VIRTIO_SCSI_COMMON(qdev);
+ VirtIOSCSI *s = VIRTIO_SCSI(dev);
- unregister_savevm(qdev, "virtio-scsi", s);
- return virtio_scsi_common_exit(vs);
+ unregister_savevm(dev, "virtio-scsi", s);
+
+ virtio_scsi_common_unrealize(dev, errp);
}
static Property virtio_scsi_properties[] = {
@@ -680,10 +680,11 @@ static void virtio_scsi_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
- dc->exit = virtio_scsi_device_exit;
+
dc->props = virtio_scsi_properties;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
- vdc->init = virtio_scsi_device_init;
+ vdc->realize = virtio_scsi_device_realize;
+ vdc->unrealize = virtio_scsi_device_unrealize;
vdc->set_config = virtio_scsi_set_config;
vdc->get_features = virtio_scsi_get_features;
vdc->reset = virtio_scsi_reset;