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Diffstat (limited to 'hw/scsi')
-rw-r--r--hw/scsi/esp.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 2584ec6..b3471e0 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -98,16 +98,15 @@ void esp_request_cancelled(SCSIRequest *req)
}
}
-static void esp_fifo_push(ESPState *s, uint8_t val)
+static void esp_fifo_push(Fifo8 *fifo, uint8_t val)
{
- if (fifo8_num_used(&s->fifo) == ESP_FIFO_SZ) {
+ if (fifo8_num_used(fifo) == fifo->capacity) {
trace_esp_error_fifo_overrun();
return;
}
- fifo8_push(&s->fifo, val);
+ fifo8_push(fifo, val);
}
-
static uint8_t esp_fifo_pop(ESPState *s)
{
if (fifo8_is_empty(&s->fifo)) {
@@ -117,16 +116,6 @@ static uint8_t esp_fifo_pop(ESPState *s)
return fifo8_pop(&s->fifo);
}
-static void esp_cmdfifo_push(ESPState *s, uint8_t val)
-{
- if (fifo8_num_used(&s->cmdfifo) == ESP_CMDFIFO_SZ) {
- trace_esp_error_fifo_overrun();
- return;
- }
-
- fifo8_push(&s->cmdfifo, val);
-}
-
static uint8_t esp_cmdfifo_pop(ESPState *s)
{
if (fifo8_is_empty(&s->cmdfifo)) {
@@ -187,9 +176,9 @@ static void esp_pdma_write(ESPState *s, uint8_t val)
}
if (s->do_cmd) {
- esp_cmdfifo_push(s, val);
+ esp_fifo_push(&s->cmdfifo, val);
} else {
- esp_fifo_push(s, val);
+ esp_fifo_push(&s->fifo, val);
}
dmalen--;
@@ -645,7 +634,7 @@ static void esp_do_dma(ESPState *s)
*/
if (len < esp_get_tc(s) && esp_get_tc(s) <= ESP_FIFO_SZ) {
while (fifo8_num_used(&s->fifo) < ESP_FIFO_SZ) {
- esp_fifo_push(s, 0);
+ esp_fifo_push(&s->fifo, 0);
len++;
}
}
@@ -947,9 +936,9 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val)
break;
case ESP_FIFO:
if (s->do_cmd) {
- esp_cmdfifo_push(s, val);
+ esp_fifo_push(&s->cmdfifo, val);
} else {
- esp_fifo_push(s, val);
+ esp_fifo_push(&s->fifo, val);
}
/* Non-DMA transfers raise an interrupt after every byte */