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);
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) {
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");
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");
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");
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);
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);
}
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;
}
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;
}
}
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;
}
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) {
}
}
-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;
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);
}
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);
}
}
};
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)
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) {
} 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],
}
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;
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 ||
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;
cbw.cmd_len, s->data_len);
assert(le32_to_cpu(s->csw.residue) == 0);
s->scsi_len = 0;
- s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, NULL);
+ s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, cbw.cmd_len, NULL);
if (s->commandlog) {
scsi_req_print(s->req);
}
uint8_t reserved_2;
uint64_t lun;
uint8_t cdb[16];
- uint8_t add_cdb[1]; /* not supported by QEMU */
+ uint8_t add_cdb[1];
} QEMU_PACKED uas_iu_command;
typedef struct {
UASRequest *req;
uint32_t len;
uint16_t tag = be16_to_cpu(iu->hdr.tag);
+ size_t cdb_len = sizeof(iu->command.cdb) + iu->command.add_cdb_length;
if (iu->command.add_cdb_length > 0) {
qemu_log_mask(LOG_UNIMP, "additional adb length not yet supported\n");
req->req = scsi_req_new(req->dev, req->tag,
usb_uas_get_lun(req->lun),
- iu->command.cdb, req);
+ iu->command.cdb, cdb_len, req);
if (uas->requestlog) {
scsi_req_print(req->req);
}
void (*realize)(SCSIDevice *dev, Error **errp);
void (*unrealize)(SCSIDevice *dev);
int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
- void *hba_private);
+ size_t buf_len, void *hba_private);
SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
uint8_t *buf, void *hba_private);
void (*unit_attention_reported)(SCSIDevice *s);
int tcq;
int max_channel, max_target, max_lun;
int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
- void *hba_private);
+ size_t buf_len, void *hba_private);
void (*transfer_data)(SCSIRequest *req, uint32_t arg);
void (*fail)(SCSIRequest *req);
void (*complete)(SCSIRequest *req, size_t residual);
SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
uint32_t tag, uint32_t lun, void *hba_private);
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);
int32_t scsi_req_enqueue(SCSIRequest *req);
SCSIRequest *scsi_req_ref(SCSIRequest *req);
void scsi_req_unref(SCSIRequest *req);
int scsi_bus_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
- void *hba_private);
-int scsi_req_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf);
+ size_t buf_len, void *hba_private);
+int scsi_req_parse_cdb(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
+ size_t buf_len);
void scsi_req_build_sense(SCSIRequest *req, SCSISense sense);
void scsi_req_print(SCSIRequest *req);
void scsi_req_continue(SCSIRequest *req);