diff options
Diffstat (limited to 'hw/lsi53c895a.c')
-rw-r--r-- | hw/lsi53c895a.c | 55 |
1 files changed, 23 insertions, 32 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c index 2fe141d24e..34afe96742 100644 --- a/hw/lsi53c895a.c +++ b/hw/lsi53c895a.c @@ -282,8 +282,6 @@ static inline int lsi_irq_on_rsl(LSIState *s) static void lsi_soft_reset(LSIState *s) { - lsi_request *p; - DPRINTF("Reset\n"); s->carry = 0; @@ -350,15 +348,8 @@ static void lsi_soft_reset(LSIState *s) s->sbc = 0; s->csbc = 0; s->sbr = 0; - while (!QTAILQ_EMPTY(&s->queue)) { - p = QTAILQ_FIRST(&s->queue); - QTAILQ_REMOVE(&s->queue, p, next); - g_free(p); - } - if (s->current) { - g_free(s->current); - s->current = NULL; - } + assert(QTAILQ_EMPTY(&s->queue)); + assert(!s->current); } static int lsi_dma_40bit(LSIState *s) @@ -650,23 +641,24 @@ static lsi_request *lsi_find_by_tag(LSIState *s, uint32_t tag) return NULL; } +static void lsi_request_free(LSIState *s, lsi_request *p) +{ + if (p == s->current) { + s->current = NULL; + } else { + QTAILQ_REMOVE(&s->queue, p, next); + } + g_free(p); +} + static void lsi_request_cancelled(SCSIRequest *req) { LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent); lsi_request *p = req->hba_private; - if (s->current && req == s->current->req) { - scsi_req_unref(req); - g_free(s->current); - s->current = NULL; - return; - } - - if (p) { - QTAILQ_REMOVE(&s->queue, p, next); - scsi_req_unref(req); - g_free(p); - } + req->hba_private = NULL; + lsi_request_free(s, p); + scsi_req_unref(req); } /* Record that data is available for a queued command. Returns zero if @@ -714,10 +706,10 @@ static void lsi_command_complete(SCSIRequest *req, uint32_t status, size_t resid lsi_set_phase(s, PHASE_ST); } - if (s->current && req == s->current->req) { - scsi_req_unref(s->current->req); - g_free(s->current); - s->current = NULL; + if (req->hba_private == s->current) { + req->hba_private = NULL; + lsi_request_free(s, s->current); + scsi_req_unref(req); } lsi_resume_script(s); } @@ -728,7 +720,8 @@ static void lsi_transfer_data(SCSIRequest *req, uint32_t len) LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent); int out; - if (s->waiting == 1 || !s->current || req->hba_private != s->current || + assert(req->hba_private); + if (s->waiting == 1 || req->hba_private != s->current || (lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON))) { if (lsi_queue_req(s, req, len)) { return; @@ -1738,7 +1731,7 @@ static void lsi_reg_writeb(LSIState *s, int offset, uint8_t val) lsi_execute_script(s); } if (val & LSI_ISTAT0_SRST) { - lsi_soft_reset(s); + qdev_reset_all(&s->dev.qdev); } break; case 0x16: /* MBOX0 */ @@ -2071,15 +2064,13 @@ static const VMStateDescription vmstate_lsi_scsi = { } }; -static int lsi_scsi_uninit(PCIDevice *d) +static void lsi_scsi_uninit(PCIDevice *d) { LSIState *s = DO_UPCAST(LSIState, dev, d); memory_region_destroy(&s->mmio_io); memory_region_destroy(&s->ram_io); memory_region_destroy(&s->io_io); - - return 0; } static const struct SCSIBusInfo lsi_scsi_info = { |