aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/esp.c2
-rw-r--r--hw/lsi53c895a.c2
-rw-r--r--hw/scsi-bus.c9
-rw-r--r--hw/scsi-disk.c1
-rw-r--r--hw/scsi-generic.c1
-rw-r--r--hw/scsi.h2
-rw-r--r--hw/spapr_vscsi.c4
-rw-r--r--hw/usb-msd.c2
8 files changed, 14 insertions, 9 deletions
diff --git a/hw/esp.c b/hw/esp.c
index f2677dc..238422a 100644
--- a/hw/esp.c
+++ b/hw/esp.c
@@ -245,7 +245,7 @@ static void do_busid_cmd(ESPState *s, uint8_t *buf, uint8_t busid)
DPRINTF("do_busid_cmd: busid 0x%x\n", busid);
lun = busid & 7;
s->current_req = s->current_dev->info->alloc_req(s->current_dev, 0, lun);
- datalen = s->current_dev->info->send_command(s->current_req, buf);
+ datalen = scsi_req_enqueue(s->current_req, buf);
s->ti_size = datalen;
if (datalen != 0) {
s->rregs[ESP_RSTAT] = STAT_TC;
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index bca889a..185622d 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -791,7 +791,7 @@ static void lsi_do_command(LSIState *s)
s->current->req = dev->info->alloc_req(dev, s->current->tag,
s->current_lun);
- n = dev->info->send_command(s->current->req, buf);
+ n = scsi_req_enqueue(s->current->req, buf);
if (n > 0) {
lsi_set_phase(s, PHASE_DI);
dev->info->read_data(s->current->req);
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index d322f3a..2e6e7c8 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -146,12 +146,19 @@ SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t l
return req;
}
-void scsi_req_enqueue(SCSIRequest *req)
+int32_t scsi_req_enqueue(SCSIRequest *req, uint8_t *buf)
{
+ int32_t rc;
+
assert(!req->enqueued);
scsi_req_ref(req);
req->enqueued = true;
QTAILQ_INSERT_TAIL(&req->dev->requests, req, next);
+
+ scsi_req_ref(req);
+ rc = req->dev->info->send_command(req, buf);
+ scsi_req_unref(req);
+ return rc;
}
static void scsi_req_dequeue(SCSIRequest *req)
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 63aa8f1..adee8fe 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -984,7 +984,6 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf)
uint8_t *outbuf;
int rc;
- scsi_req_enqueue(req);
command = buf[0];
outbuf = (uint8_t *)r->iov.iov_base;
is_write = 0;
diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
index 64cbe8b..90f2a4a 100644
--- a/hw/scsi-generic.c
+++ b/hw/scsi-generic.c
@@ -320,7 +320,6 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
int ret;
- scsi_req_enqueue(req);
if (cmd[0] != REQUEST_SENSE &&
(req->lun != s->lun || (cmd[1] >> 5) != s->lun)) {
DPRINTF("Unimplemented LUN %d\n", req->lun ? req->lun : cmd[1] >> 5);
diff --git a/hw/scsi.h b/hw/scsi.h
index 7a7c9ef..839bc0b 100644
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -143,7 +143,7 @@ int scsi_build_sense(SCSISense sense, uint8_t *buf, int len, int fixed);
int scsi_sense_valid(SCSISense sense);
SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
-void scsi_req_enqueue(SCSIRequest *req);
+int32_t scsi_req_enqueue(SCSIRequest *req, uint8_t *buf);
void scsi_req_free(SCSIRequest *req);
SCSIRequest *scsi_req_ref(SCSIRequest *req);
void scsi_req_unref(SCSIRequest *req);
diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 5aaf95b..54fd4e8 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -459,7 +459,7 @@ static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
cdb[4] = 96;
cdb[5] = 0;
req->sensing = 1;
- n = sdev->info->send_command(req->sreq, cdb);
+ n = scsi_req_enqueue(req->sreq, cdb);
dprintf("VSCSI: Queued request sense tag 0x%x\n", req->qtag);
if (n < 0) {
fprintf(stderr, "VSCSI: REQUEST_SENSE wants write data !?!?!?\n");
@@ -654,7 +654,7 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req)
req->sdev = sdev;
req->lun = lun;
req->sreq = sdev->info->alloc_req(sdev, req->qtag, lun);
- n = sdev->info->send_command(req->sreq, srp->cmd.cdb);
+ n = scsi_req_enqueue(req->sreq, srp->cmd.cdb);
dprintf("VSCSI: Queued command tag 0x%x CMD 0x%x ID %d LUN %d ret: %d\n",
req->qtag, srp->cmd.cdb[0], id, lun, n);
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index ce92682..ccfae61 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -378,7 +378,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
s->residue = 0;
s->scsi_len = 0;
s->req = s->scsi_dev->info->alloc_req(s->scsi_dev, s->tag, 0);
- s->scsi_dev->info->send_command(s->req, cbw.cmd);
+ scsi_req_enqueue(s->req, cbw.cmd);
/* ??? Should check that USB and SCSI data transfer
directions match. */
if (s->residue == 0) {