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scsi: add a started field to SCSIDiskReq 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-04-19 11:51:42 +02:00
parent 7f64f8e2c3
commit a0e66a699e
1 changed files with 4 additions and 0 deletions
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4
hw/scsi-disk.c
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@ -55,6 +55,7 @@ typedef struct SCSIDiskReq {
uint64_t sector;
uint32_t sector_count;
uint32_t buflen;
bool started;
struct iovec iov;
QEMUIOVector qiov;
BlockAcctCookie acct;
@ -287,6 +288,7 @@ static void scsi_read_data(SCSIRequest *req)
if (r->sector_count == (uint32_t)-1) {
DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);
r->sector_count = 0;
r->started = true;
scsi_req_data(&r->req, r->iov.iov_len);
return;
}
@ -313,6 +315,7 @@ static void scsi_read_data(SCSIRequest *req)
return;
}
r->started = true;
if (r->req.sg) {
dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_READ);
r->req.resid -= r->req.sg->size;
@ -425,6 +428,7 @@ static void scsi_write_data(SCSIRequest *req)
if (!r->req.sg && !r->qiov.size) {
/* Called for the first time. Ask the driver to send us more data. */
r->started = true;
scsi_write_complete(r, 0);
return;
}