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Add support for PIO variants of READ/WRITE commands for AHCI disks.

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AHCI API hides all PIO specifics, so this functionality is almost free.

MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2015-03-13 18:35:38 +00:00
parent f7c5bc2cfe
commit 5f6b63de7a
1 changed files with 16 additions and 4 deletions
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20
usr.sbin/bhyve/pci_ahci.c
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@ -520,12 +520,14 @@ ahci_handle_dma(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done,
readop = 1;
prdt += seek;
if (cfis[2] == ATA_WRITE_DMA || cfis[2] == ATA_WRITE_DMA48 ||
cfis[2] == ATA_WRITE_FPDMA_QUEUED)
if (cfis[2] == ATA_WRITE || cfis[2] == ATA_WRITE48 ||
cfis[2] == ATA_WRITE_MUL || cfis[2] == ATA_WRITE_MUL48 ||
cfis[2] == ATA_WRITE_DMA || cfis[2] == ATA_WRITE_DMA48 ||
cfis[2] == ATA_WRITE_FPDMA_QUEUED)
readop = 0;
if (cfis[2] == ATA_WRITE_FPDMA_QUEUED ||
cfis[2] == ATA_READ_FPDMA_QUEUED) {
cfis[2] == ATA_READ_FPDMA_QUEUED) {
lba = ((uint64_t)cfis[10] << 40) |
((uint64_t)cfis[9] << 32) |
((uint64_t)cfis[8] << 24) |
@ -536,7 +538,9 @@ ahci_handle_dma(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done,
if (!len)
len = 65536;
ncq = 1;
} else if (cfis[2] == ATA_READ_DMA48 || cfis[2] == ATA_WRITE_DMA48) {
} else if (cfis[2] == ATA_READ48 || cfis[2] == ATA_WRITE48 ||
cfis[2] == ATA_READ_MUL48 || cfis[2] == ATA_WRITE_MUL48 ||
cfis[2] == ATA_READ_DMA48 || cfis[2] == ATA_WRITE_DMA48) {
lba = ((uint64_t)cfis[10] << 40) |
((uint64_t)cfis[9] << 32) |
((uint64_t)cfis[8] << 24) |
@ -1475,6 +1479,14 @@ ahci_handle_cmd(struct ahci_port *p, int slot, uint8_t *cfis)
}
ahci_write_fis_d2h(p, slot, cfis, p->tfd);
break;
case ATA_READ:
case ATA_WRITE:
case ATA_READ48:
case ATA_WRITE48:
case ATA_READ_MUL:
case ATA_WRITE_MUL:
case ATA_READ_MUL48:
case ATA_WRITE_MUL48:
case ATA_READ_DMA:
case ATA_WRITE_DMA:
case ATA_READ_DMA48: