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scsi: introduce scsi_req_continue

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Paolo Bonzini 2011-04-18 15:28:11 +02:00
parent 43a2b33957
commit ad3376cc55
7 changed files with 47 additions and 60 deletions
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22
hw/lsi53c895a.c
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@ -580,13 +580,7 @@ static void lsi_do_dma(LSIState *s, int out)
s->current->dma_len -= count;
if (s->current->dma_len == 0) {
s->current->dma_buf = NULL;
if (out) {
/* Write the data. */
dev->info->write_data(s->current->req);
} else {
/* Request any remaining data. */
dev->info->read_data(s->current->req);
}
scsi_req_continue(s->current->req);
} else {
s->current->dma_buf += count;
lsi_resume_script(s);
@ -791,14 +785,14 @@ static void lsi_do_command(LSIState *s)
s->current->req = scsi_req_new(dev, s->current->tag, s->current_lun);
n = scsi_req_enqueue(s->current->req, buf);
if (n > 0) {
lsi_set_phase(s, PHASE_DI);
dev->info->read_data(s->current->req);
} else if (n < 0) {
lsi_set_phase(s, PHASE_DO);
dev->info->write_data(s->current->req);
if (n) {
if (n > 0) {
lsi_set_phase(s, PHASE_DI);
} else if (n < 0) {
lsi_set_phase(s, PHASE_DO);
}
scsi_req_continue(s->current->req);
}
if (!s->command_complete) {
if (n) {
/* Command did not complete immediately so disconnect. */