aboutsummaryrefslogtreecommitdiff
path: root/hw/spapr_vscsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/spapr_vscsi.c')
-rw-r--r--hw/spapr_vscsi.c91
1 files changed, 21 insertions, 70 deletions
diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
index 646b1e3caf..c65308c424 100644
--- a/hw/spapr_vscsi.c
+++ b/hw/spapr_vscsi.c
@@ -80,7 +80,6 @@ typedef struct vscsi_req {
int active;
long data_len;
int writing;
- int sensing;
int senselen;
uint8_t sense[SCSI_SENSE_BUF_SIZE];
@@ -436,40 +435,6 @@ static int vscsi_preprocess_desc(vscsi_req *req)
return 0;
}
-static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
-{
- uint8_t *cdb = req->iu.srp.cmd.cdb;
- int n;
-
- n = scsi_req_get_sense(req->sreq, req->sense, sizeof(req->sense));
- if (n) {
- req->senselen = n;
- vscsi_send_rsp(s, req, CHECK_CONDITION, 0, 0);
- vscsi_put_req(req);
- return;
- }
-
- dprintf("VSCSI: Got CHECK_CONDITION, requesting sense...\n");
- cdb[0] = 3;
- cdb[1] = 0;
- cdb[2] = 0;
- cdb[3] = 0;
- cdb[4] = 96;
- cdb[5] = 0;
- req->sensing = 1;
- 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");
- vscsi_makeup_sense(s, req, HARDWARE_ERROR, 0, 0);
- scsi_req_abort(req->sreq, CHECK_CONDITION);
- return;
- } else if (n == 0) {
- return;
- }
- scsi_req_continue(req->sreq);
-}
-
/* Callback to indicate that the SCSI layer has completed a transfer. */
static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
{
@@ -485,23 +450,6 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
return;
}
- if (req->sensing) {
- uint8_t *buf = scsi_req_get_buf(sreq);
-
- len = MIN(len, SCSI_SENSE_BUF_SIZE);
- dprintf("VSCSI: Sense data, %d bytes:\n", len);
- dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
- buf[0], buf[1], buf[2], buf[3],
- buf[4], buf[5], buf[6], buf[7]);
- dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
- buf[8], buf[9], buf[10], buf[11],
- buf[12], buf[13], buf[14], buf[15]);
- memcpy(req->sense, buf, len);
- req->senselen = len;
- scsi_req_continue(req->sreq);
- return;
- }
-
if (len) {
buf = scsi_req_get_buf(sreq);
rc = vscsi_srp_transfer_data(s, req, req->writing, buf, len);
@@ -532,28 +480,31 @@ static void vscsi_command_complete(SCSIRequest *sreq, uint32_t status)
return;
}
- if (!req->sensing && status == CHECK_CONDITION) {
- vscsi_send_request_sense(s, req);
- return;
+ if (status == CHECK_CONDITION) {
+ req->senselen = scsi_req_get_sense(req->sreq, req->sense,
+ sizeof(req->sense));
+ status = 0;
+ dprintf("VSCSI: Sense data, %d bytes:\n", len);
+ dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ req->sense[0], req->sense[1], req->sense[2], req->sense[3],
+ req->sense[4], req->sense[5], req->sense[6], req->sense[7]);
+ dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ req->sense[8], req->sense[9], req->sense[10], req->sense[11],
+ req->sense[12], req->sense[13], req->sense[14], req->sense[15]);
}
- if (req->sensing) {
- dprintf("VSCSI: Sense done !\n");
- status = CHECK_CONDITION;
- } else {
- dprintf("VSCSI: Command complete err=%d\n", status);
- if (status == 0) {
- /* We handle overflows, not underflows for normal commands,
- * but hopefully nobody cares
- */
- if (req->writing) {
- res_out = req->data_len;
- } else {
- res_in = req->data_len;
- }
+ dprintf("VSCSI: Command complete err=%d\n", status);
+ if (status == 0) {
+ /* We handle overflows, not underflows for normal commands,
+ * but hopefully nobody cares
+ */
+ if (req->writing) {
+ res_out = req->data_len;
+ } else {
+ res_in = req->data_len;
}
}
- vscsi_send_rsp(s, req, 0, res_in, res_out);
+ vscsi_send_rsp(s, req, status, res_in, res_out);
vscsi_put_req(req);
}