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-rw-r--r--hw/scsi/lsi53c895a.c2
-rw-r--r--hw/scsi/megasas.c6
-rw-r--r--hw/scsi/scsi-disk.c27
-rw-r--r--hw/scsi/scsi-generic.c6
-rw-r--r--hw/scsi/virtio-scsi.c2
5 files changed, 33 insertions, 10 deletions
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index d9b4c7ea3c..ec920488d6 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -781,7 +781,7 @@ static void lsi_do_command(LSIState *s)
}
assert(s->current == NULL);
- s->current = g_malloc0(sizeof(lsi_request));
+ s->current = g_new0(lsi_request, 1);
s->current->tag = s->select_tag;
s->current->req = scsi_req_new(dev, s->current->tag, s->current_lun, buf,
s->current);
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 604252a198..4852237a79 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1018,8 +1018,7 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
size_t len, resid;
if (!cmd->iov_buf) {
- cmd->iov_buf = g_malloc(dcmd_size);
- memset(cmd->iov_buf, 0, dcmd_size);
+ cmd->iov_buf = g_malloc0(dcmd_size);
info = cmd->iov_buf;
info->inquiry_data[0] = 0x7f; /* Force PQual 0x3, PType 0x1f */
info->vpd_page83[0] = 0x7f;
@@ -1221,8 +1220,7 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
uint64_t ld_size;
if (!cmd->iov_buf) {
- cmd->iov_buf = g_malloc(dcmd_size);
- memset(cmd->iov_buf, 0x0, dcmd_size);
+ cmd->iov_buf = g_malloc0(dcmd_size);
info = cmd->iov_buf;
megasas_setup_inquiry(cdb, 0x83, sizeof(info->vpd_page83));
req = scsi_req_new(sdev, cmd->index, lun, cdb, cmd);
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 2f75d7d51c..f65618d802 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -49,6 +49,7 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#define DEFAULT_DISCARD_GRANULARITY 4096
#define DEFAULT_MAX_UNMAP_SIZE (1 << 30) /* 1 GB */
+#define DEFAULT_MAX_IO_SIZE INT_MAX /* 2 GB - 1 block */
typedef struct SCSIDiskState SCSIDiskState;
@@ -79,6 +80,7 @@ struct SCSIDiskState
uint64_t port_wwn;
uint16_t port_index;
uint64_t max_unmap_size;
+ uint64_t max_io_size;
QEMUBH *bh;
char *version;
char *serial;
@@ -635,6 +637,8 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
s->qdev.conf.opt_io_size / s->qdev.blocksize;
unsigned int max_unmap_sectors =
s->max_unmap_size / s->qdev.blocksize;
+ unsigned int max_io_sectors =
+ s->max_io_size / s->qdev.blocksize;
if (s->qdev.type == TYPE_ROM) {
DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
@@ -651,6 +655,12 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
outbuf[6] = (min_io_size >> 8) & 0xff;
outbuf[7] = min_io_size & 0xff;
+ /* maximum transfer length */
+ outbuf[8] = (max_io_sectors >> 24) & 0xff;
+ outbuf[9] = (max_io_sectors >> 16) & 0xff;
+ outbuf[10] = (max_io_sectors >> 8) & 0xff;
+ outbuf[11] = max_io_sectors & 0xff;
+
/* optimal transfer length */
outbuf[12] = (opt_io_size >> 24) & 0xff;
outbuf[13] = (opt_io_size >> 16) & 0xff;
@@ -674,6 +684,17 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
outbuf[29] = (unmap_sectors >> 16) & 0xff;
outbuf[30] = (unmap_sectors >> 8) & 0xff;
outbuf[31] = unmap_sectors & 0xff;
+
+ /* max write same size */
+ outbuf[36] = 0;
+ outbuf[37] = 0;
+ outbuf[38] = 0;
+ outbuf[39] = 0;
+
+ outbuf[40] = (max_io_sectors >> 24) & 0xff;
+ outbuf[41] = (max_io_sectors >> 16) & 0xff;
+ outbuf[42] = (max_io_sectors >> 8) & 0xff;
+ outbuf[43] = max_io_sectors & 0xff;
break;
}
case 0xb2: /* thin provisioning */
@@ -2579,6 +2600,8 @@ static Property scsi_hd_properties[] = {
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
DEFAULT_MAX_UNMAP_SIZE),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_BLOCK_CHS_PROPERTIES(SCSIDiskState, qdev.conf),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2625,6 +2648,8 @@ static Property scsi_cd_properties[] = {
DEFINE_PROP_UINT64("wwn", SCSIDiskState, wwn, 0),
DEFINE_PROP_UINT64("port_wwn", SCSIDiskState, port_wwn, 0),
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_PROP_END_OF_LIST(),
};
@@ -2690,6 +2715,8 @@ static Property scsi_disk_properties[] = {
DEFINE_PROP_UINT16("port_index", SCSIDiskState, port_index, 0),
DEFINE_PROP_UINT64("max_unmap_size", SCSIDiskState, max_unmap_size,
DEFAULT_MAX_UNMAP_SIZE),
+ DEFINE_PROP_UINT64("max_io_size", SCSIDiskState, max_io_size,
+ DEFAULT_MAX_IO_SIZE),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 6b9e4e1ef9..e53470f85e 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -298,8 +298,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
#endif
if (r->req.cmd.xfer == 0) {
- if (r->buf != NULL)
- g_free(r->buf);
+ g_free(r->buf);
r->buflen = 0;
r->buf = NULL;
/* The request is used as the AIO opaque value, so add a ref. */
@@ -314,8 +313,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
}
if (r->buflen != r->req.cmd.xfer) {
- if (r->buf != NULL)
- g_free(r->buf);
+ g_free(r->buf);
r->buf = g_malloc(r->req.cmd.xfer);
r->buflen = r->req.cmd.xfer;
}
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index ef485508b1..b06dd390d2 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -829,7 +829,7 @@ void virtio_scsi_common_realize(DeviceState *dev, Error **errp,
virtio_cleanup(vdev);
return;
}
- s->cmd_vqs = g_malloc0(s->conf.num_queues * sizeof(VirtQueue *));
+ s->cmd_vqs = g_new0(VirtQueue *, s->conf.num_queues);
s->sense_size = VIRTIO_SCSI_SENSE_SIZE;
s->cdb_size = VIRTIO_SCSI_CDB_SIZE;