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SCSI CD-ROM: some vendor specific commands for Toshiba and others now have more correct speed.

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PCSCSI PCI: re-implemented SCSI bus reset.
This commit is contained in:
TC1995
2023-07-14 21:05:22 +02:00
parent 04037f91f7
commit 81918a19d1
2 changed files with 21 additions and 7 deletions
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14
src/scsi/scsi_pcscsi.c
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@@ -379,9 +379,9 @@ esp_get_cmd(esp_t *dev, uint32_t maxlen)
dma_set_drq(dev->DmaChannel, 0);
} else {
esp_pci_dma_memory_rw(dev, buf, dmalen, WRITE_TO_DEVICE);
dmalen = MIN(fifo8_num_free(&dev->cmdfifo), dmalen);
fifo8_push_all(&dev->cmdfifo, buf, dmalen);
}
dmalen = MIN(fifo8_num_free(&dev->cmdfifo), dmalen);
fifo8_push_all(&dev->cmdfifo, buf, dmalen);
} else {
dmalen = MIN(fifo8_num_used(&dev->fifo), maxlen);
esp_log("ESP Get command, dmalen = %i\n", dmalen);
@@ -545,6 +545,8 @@ esp_hard_reset(esp_t *dev)
dev->do_cmd = 0;
dev->rregs[ESP_CFG1] = dev->mca ? dev->HostID : 7;
esp_log("ESP Reset\n");
for (uint8_t i = 0; i < 16; i++)
scsi_device_reset(&scsi_devices[dev->bus][i]);
timer_stop(&dev->timer);
}
@@ -569,7 +571,6 @@ esp_do_nodma(esp_t *dev, scsi_device_t *sd)
esp_do_cmd(dev);
} else {
dev->cmdfifo_cdb_offset = fifo8_num_used(&dev->cmdfifo);
;
esp_log("CDB offset = %i used\n", dev->cmdfifo_cdb_offset);
dev->rregs[ESP_RSTAT] = STAT_TC | STAT_CD;
@@ -665,7 +666,7 @@ esp_do_dma(esp_t *dev, scsi_device_t *sd)
count = tdbc = esp_get_tc(dev);
if (dev->mca) { /*See the comment in the esp_do_busid_cmd() function.*/
if (dev->mca) {
if (sd->buffer_length < 0) {
if (dev->dma_enabled)
goto done;
@@ -713,7 +714,7 @@ esp_do_dma(esp_t *dev, scsi_device_t *sd)
return;
}
esp_log("ESP SCSI dmaleft = %d, async_len = %i, buffer length = %d\n", esp_get_tc(dev), sd->buffer_length);
esp_log("ESP SCSI dmaleft = %d, buffer length = %d\n", esp_get_tc(dev), sd->buffer_length);
/* Make sure count is never bigger than buffer_length. */
if (count > dev->xfer_counter)
@@ -1082,6 +1083,9 @@ esp_reg_write(esp_t *dev, uint32_t saddr, uint32_t val)
esp_pci_soft_reset(dev);
break;
case CMD_BUSRESET:
for (uint8_t i = 0; i < 16; i++)
scsi_device_reset(&scsi_devices[dev->bus][i]);
if (!(dev->wregs[ESP_CFG1] & CFG1_RESREPT)) {
dev->rregs[ESP_RINTR] |= INTR_RST;
esp_log("ESP Bus Reset with IRQ\n");