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Diffstat (limited to 'hw/scsi/scsi-disk.c')
-rw-r--r--hw/scsi/scsi-disk.c47
1 files changed, 42 insertions, 5 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index a5a58d7db3..ceaf78b423 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -77,7 +77,6 @@ typedef struct SCSIDiskReq {
struct iovec iov;
QEMUIOVector qiov;
BlockAcctCookie acct;
- unsigned char *status;
} SCSIDiskReq;
#define SCSI_DISK_F_REMOVABLE 0
@@ -261,8 +260,6 @@ static bool scsi_disk_req_check_error(SCSIDiskReq *r, int ret, bool acct_failed)
if (ret < 0) {
return scsi_handle_rw_error(r, ret, acct_failed);
- } else if (r->status && *r->status) {
- return scsi_handle_rw_error(r, *r->status, acct_failed);
}
return false;
@@ -2697,8 +2694,47 @@ typedef struct SCSIBlockReq {
/* CDB passed to SG_IO. */
uint8_t cdb[16];
+ BlockCompletionFunc *cb;
+ void *cb_opaque;
} SCSIBlockReq;
+static void scsi_block_sgio_complete(void *opaque, int ret)
+{
+ SCSIBlockReq *req = (SCSIBlockReq *)opaque;
+ SCSIDiskReq *r = &req->req;
+ SCSIDevice *s = r->req.dev;
+ sg_io_hdr_t *io_hdr = &req->io_header;
+ SCSISense sense;
+
+ if (ret == 0) {
+ if (io_hdr->host_status != SCSI_HOST_OK) {
+ ret = scsi_sense_from_host_status(io_hdr->host_status, &sense);
+ if (ret == CHECK_CONDITION) {
+ scsi_req_build_sense(&r->req, sense);
+ }
+ } else if (io_hdr->driver_status & SG_ERR_DRIVER_TIMEOUT) {
+ ret = BUSY;
+ } else {
+ ret = io_hdr->status;
+ }
+
+ if (ret > 0) {
+ aio_context_acquire(blk_get_aio_context(s->conf.blk));
+ if (scsi_handle_rw_error(r, ret, true)) {
+ aio_context_release(blk_get_aio_context(s->conf.blk));
+ scsi_req_unref(&r->req);
+ return;
+ }
+ aio_context_release(blk_get_aio_context(s->conf.blk));
+
+ /* Ignore error. */
+ ret = 0;
+ }
+ }
+
+ req->cb(req->cb_opaque, ret);
+}
+
static BlockAIOCB *scsi_block_do_sgio(SCSIBlockReq *req,
int64_t offset, QEMUIOVector *iov,
int direction,
@@ -2777,9 +2813,11 @@ static BlockAIOCB *scsi_block_do_sgio(SCSIBlockReq *req,
io_header->timeout = s->qdev.io_timeout * 1000;
io_header->usr_ptr = r;
io_header->flags |= SG_FLAG_DIRECT_IO;
+ req->cb = cb;
+ req->cb_opaque = opaque;
trace_scsi_disk_aio_sgio_command(r->req.tag, req->cdb[0], lba,
nb_logical_blocks, io_header->timeout);
- aiocb = blk_aio_ioctl(s->qdev.conf.blk, SG_IO, io_header, cb, opaque);
+ aiocb = blk_aio_ioctl(s->qdev.conf.blk, SG_IO, io_header, scsi_block_sgio_complete, req);
assert(aiocb != NULL);
return aiocb;
}
@@ -2893,7 +2931,6 @@ static int32_t scsi_block_dma_command(SCSIRequest *req, uint8_t *buf)
return 0;
}
- r->req.status = &r->io_header.status;
return scsi_disk_dma_command(req, buf);
}