aboutsummaryrefslogtreecommitdiff
path: root/hw/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'hw/scsi')
-rw-r--r--hw/scsi/esp.c8
-rw-r--r--hw/scsi/lsi53c895a.c2
-rw-r--r--hw/scsi/megasas.c10
-rw-r--r--hw/scsi/mptsas.c3
-rw-r--r--hw/scsi/scsi-bus.c29
-rw-r--r--hw/scsi/scsi-disk.c7
-rw-r--r--hw/scsi/scsi-generic.c5
-rw-r--r--hw/scsi/spapr_vscsi.c3
-rw-r--r--hw/scsi/virtio-scsi.c5
-rw-r--r--hw/scsi/vmw_pvscsi.c2
10 files changed, 48 insertions, 26 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 2d3c649567..2ff18ce500 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -292,7 +292,7 @@ static void do_command_phase(ESPState *s)
esp_fifo_pop_buf(&s->cmdfifo, buf, cmdlen);
current_lun = scsi_device_find(&s->bus, 0, s->current_dev->id, s->lun);
- s->current_req = scsi_req_new(current_lun, 0, s->lun, buf, s);
+ s->current_req = scsi_req_new(current_lun, 0, s->lun, buf, cmdlen, s);
datalen = scsi_req_enqueue(s->current_req);
s->ti_size = datalen;
fifo8_reset(&s->cmdfifo);
@@ -939,6 +939,11 @@ static void esp_soft_reset(ESPState *s)
esp_hard_reset(s);
}
+static void esp_bus_reset(ESPState *s)
+{
+ qbus_reset_all(BUS(&s->bus));
+}
+
static void parent_esp_reset(ESPState *s, int irq, int level)
{
if (level) {
@@ -1067,6 +1072,7 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
break;
case CMD_BUSRESET:
trace_esp_mem_writeb_cmd_bus_reset(val);
+ esp_bus_reset(s);
if (!(s->wregs[ESP_CFG1] & CFG1_RESREPT)) {
s->rregs[ESP_RINTR] |= INTR_RST;
esp_raise_irq(s);
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c
index ad5f5e5f39..05a43ec807 100644
--- a/hw/scsi/lsi53c895a.c
+++ b/hw/scsi/lsi53c895a.c
@@ -864,7 +864,7 @@ static void lsi_do_command(LSIState *s)
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);
+ s->dbc, s->current);
n = scsi_req_enqueue(s->current->req);
if (n) {
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index d5dfb412ba..7082456d65 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -1062,7 +1062,7 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
info->inquiry_data[0] = 0x7f; /* Force PQual 0x3, PType 0x1f */
info->vpd_page83[0] = 0x7f;
megasas_setup_inquiry(cmdbuf, 0, sizeof(info->inquiry_data));
- cmd->req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, cmd);
+ cmd->req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, sizeof(cmdbuf), cmd);
if (!cmd->req) {
trace_megasas_dcmd_req_alloc_failed(cmd->index,
"PD get info std inquiry");
@@ -1080,7 +1080,7 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
return MFI_STAT_INVALID_STATUS;
} else if (info->inquiry_data[0] != 0x7f && info->vpd_page83[0] == 0x7f) {
megasas_setup_inquiry(cmdbuf, 0x83, sizeof(info->vpd_page83));
- cmd->req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, cmd);
+ cmd->req = scsi_req_new(sdev, cmd->index, lun, cmdbuf, sizeof(cmdbuf), cmd);
if (!cmd->req) {
trace_megasas_dcmd_req_alloc_failed(cmd->index,
"PD get info vpd inquiry");
@@ -1268,7 +1268,7 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
cmd->iov_buf = g_malloc0(dcmd_size);
info = cmd->iov_buf;
megasas_setup_inquiry(cdb, 0x83, sizeof(info->vpd_page83));
- cmd->req = scsi_req_new(sdev, cmd->index, lun, cdb, cmd);
+ cmd->req = scsi_req_new(sdev, cmd->index, lun, cdb, sizeof(cdb), cmd);
if (!cmd->req) {
trace_megasas_dcmd_req_alloc_failed(cmd->index,
"LD get info vpd inquiry");
@@ -1748,7 +1748,7 @@ static int megasas_handle_scsi(MegasasState *s, MegasasCmd *cmd,
return MFI_STAT_SCSI_DONE_WITH_ERROR;
}
- cmd->req = scsi_req_new(sdev, cmd->index, lun_id, cdb, cmd);
+ cmd->req = scsi_req_new(sdev, cmd->index, lun_id, cdb, cdb_len, cmd);
if (!cmd->req) {
trace_megasas_scsi_req_alloc_failed(
mfi_frame_desc(frame_cmd), target_id, lun_id);
@@ -1823,7 +1823,7 @@ static int megasas_handle_io(MegasasState *s, MegasasCmd *cmd, int frame_cmd)
megasas_encode_lba(cdb, lba_start, lba_count, is_write);
cmd->req = scsi_req_new(sdev, cmd->index,
- lun_id, cdb, cmd);
+ lun_id, cdb, cdb_len, cmd);
if (!cmd->req) {
trace_megasas_scsi_req_alloc_failed(
mfi_frame_desc(frame_cmd), target_id, lun_id);
diff --git a/hw/scsi/mptsas.c b/hw/scsi/mptsas.c
index 706cf0df3a..a90c2546f1 100644
--- a/hw/scsi/mptsas.c
+++ b/hw/scsi/mptsas.c
@@ -324,7 +324,8 @@ static int mptsas_process_scsi_io_request(MPTSASState *s,
}
req->sreq = scsi_req_new(sdev, scsi_io->MsgContext,
- scsi_io->LUN[1], scsi_io->CDB, req);
+ scsi_io->LUN[1], scsi_io->CDB,
+ scsi_io->CDBLength, req);
if (req->sreq->cmd.xfer > scsi_io->DataLength) {
goto overrun;
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index b2e2bc3c96..4403717c4a 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -102,15 +102,15 @@ static void scsi_device_unrealize(SCSIDevice *s)
}
int scsi_bus_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
- void *hba_private)
+ size_t buf_len, void *hba_private)
{
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus);
int rc;
assert(cmd->len == 0);
- rc = scsi_req_parse_cdb(dev, cmd, buf);
+ rc = scsi_req_parse_cdb(dev, cmd, buf, buf_len);
if (bus->info->parse_cdb) {
- rc = bus->info->parse_cdb(dev, cmd, buf, hba_private);
+ rc = bus->info->parse_cdb(dev, cmd, buf, buf_len, hba_private);
}
return rc;
}
@@ -703,7 +703,7 @@ SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
}
SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
- uint8_t *buf, void *hba_private)
+ uint8_t *buf, size_t buf_len, void *hba_private)
{
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
const SCSIReqOps *ops;
@@ -712,6 +712,11 @@ SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
SCSICommand cmd = { .len = 0 };
int ret;
+ if (buf_len == 0) {
+ trace_scsi_req_parse_bad(d->id, lun, tag, 0);
+ goto invalid_opcode;
+ }
+
if ((d->unit_attention.key == UNIT_ATTENTION ||
bus->unit_attention.key == UNIT_ATTENTION) &&
(buf[0] != INQUIRY &&
@@ -734,13 +739,14 @@ SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
}
if (ops != NULL || !sc->parse_cdb) {
- ret = scsi_req_parse_cdb(d, &cmd, buf);
+ ret = scsi_req_parse_cdb(d, &cmd, buf, buf_len);
} else {
- ret = sc->parse_cdb(d, &cmd, buf, hba_private);
+ ret = sc->parse_cdb(d, &cmd, buf, buf_len, hba_private);
}
if (ret != 0) {
trace_scsi_req_parse_bad(d->id, lun, tag, buf[0]);
+invalid_opcode:
req = scsi_req_alloc(&reqops_invalid_opcode, d, tag, lun, hba_private);
} else {
assert(cmd.len != 0);
@@ -1308,14 +1314,15 @@ static void scsi_cmd_xfer_mode(SCSICommand *cmd)
}
}
-int scsi_req_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf)
+int scsi_req_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
+ size_t buf_len)
{
int rc;
int len;
cmd->lba = -1;
len = scsi_cdb_length(buf);
- if (len < 0) {
+ if (len < 0 || len > buf_len) {
return -1;
}
@@ -1713,7 +1720,11 @@ static int get_scsi_requests(QEMUFile *f, void *pv, size_t size,
qemu_get_buffer(f, buf, sizeof(buf));
qemu_get_be32s(f, &tag);
qemu_get_be32s(f, &lun);
- req = scsi_req_new(s, tag, lun, buf, NULL);
+ /*
+ * A too-short CDB would have been rejected by scsi_req_new, so just use
+ * SCSI_CMD_BUF_SIZE as the CDB length.
+ */
+ req = scsi_req_new(s, tag, lun, buf, sizeof(buf), NULL);
req->retry = (sbyte == 1);
if (bus->info->load_request) {
req->hba_private = bus->info->load_request(f, req);
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index efee6739f9..399e1787ea 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -3030,14 +3030,15 @@ static SCSIRequest *scsi_block_new_request(SCSIDevice *d, uint32_t tag,
}
static int scsi_block_parse_cdb(SCSIDevice *d, SCSICommand *cmd,
- uint8_t *buf, void *hba_private)
+ uint8_t *buf, size_t buf_len,
+ void *hba_private)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d);
if (scsi_block_is_passthrough(s, buf)) {
- return scsi_bus_parse_cdb(&s->qdev, cmd, buf, hba_private);
+ return scsi_bus_parse_cdb(&s->qdev, cmd, buf, buf_len, hba_private);
} else {
- return scsi_req_parse_cdb(&s->qdev, cmd, buf);
+ return scsi_req_parse_cdb(&s->qdev, cmd, buf, buf_len);
}
}
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 3d35d307e1..92cce20a4d 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -791,9 +791,10 @@ static Property scsi_generic_properties[] = {
};
static int scsi_generic_parse_cdb(SCSIDevice *dev, SCSICommand *cmd,
- uint8_t *buf, void *hba_private)
+ uint8_t *buf, size_t buf_len,
+ void *hba_private)
{
- return scsi_bus_parse_cdb(dev, cmd, buf, hba_private);
+ return scsi_bus_parse_cdb(dev, cmd, buf, buf_len, hba_private);
}
static void scsi_generic_class_initfn(ObjectClass *klass, void *data)
diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c
index e320ccaa23..0a8cbf5a4b 100644
--- a/hw/scsi/spapr_vscsi.c
+++ b/hw/scsi/spapr_vscsi.c
@@ -783,6 +783,7 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req)
union srp_iu *srp = &req_iu(req)->srp;
SCSIDevice *sdev;
int n, lun;
+ size_t cdb_len = sizeof (srp->cmd.cdb) + (srp->cmd.add_cdb_len & ~3);
if ((srp->cmd.lun == 0 || be64_to_cpu(srp->cmd.lun) == SRP_REPORT_LUNS_WLUN)
&& srp->cmd.cdb[0] == REPORT_LUNS) {
@@ -801,7 +802,7 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req)
} return 1;
}
- req->sreq = scsi_req_new(sdev, req->qtag, lun, srp->cmd.cdb, req);
+ req->sreq = scsi_req_new(sdev, req->qtag, lun, srp->cmd.cdb, cdb_len, req);
n = scsi_req_enqueue(req->sreq);
trace_spapr_vscsi_queue_cmd(req->qtag, srp->cmd.cdb[0],
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 4141dddd51..41f2a56301 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -622,7 +622,8 @@ static void virtio_scsi_command_complete(SCSIRequest *r, size_t resid)
}
static int virtio_scsi_parse_cdb(SCSIDevice *dev, SCSICommand *cmd,
- uint8_t *buf, void *hba_private)
+ uint8_t *buf, size_t buf_len,
+ void *hba_private)
{
VirtIOSCSIReq *req = hba_private;
@@ -696,7 +697,7 @@ static int virtio_scsi_handle_cmd_req_prepare(VirtIOSCSI *s, VirtIOSCSIReq *req)
virtio_scsi_ctx_check(s, d);
req->sreq = scsi_req_new(d, req->req.cmd.tag,
virtio_scsi_get_lun(req->req.cmd.lun),
- req->req.cmd.cdb, req);
+ req->req.cmd.cdb, vs->cdb_size, req);
if (req->sreq->cmd.mode != SCSI_XFER_NONE
&& (req->sreq->cmd.mode != req->mode ||
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index 4d9969f3b1..91e2f858ab 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -730,7 +730,7 @@ pvscsi_process_request_descriptor(PVSCSIState *s,
r->sg.elemAddr = descr->dataAddr;
}
- r->sreq = scsi_req_new(d, descr->context, r->lun, descr->cdb, r);
+ r->sreq = scsi_req_new(d, descr->context, r->lun, descr->cdb, descr->cdbLen, r);
if (r->sreq->cmd.mode == SCSI_XFER_FROM_DEV &&
(descr->flags & PVSCSI_FLAG_CMD_DIR_TODEVICE)) {
r->cmp.hostStatus = BTSTAT_BADMSG;
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-23 12:52:50 +0000