diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/ahci.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index 963efec..8c785ae 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -707,7 +707,7 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write) fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ /* Command byte (read/write). */ - fis[2] = is_write ? ATA_CMD_WR_DMA : ATA_CMD_RD_DMA; + fis[2] = is_write ? ATA_CMD_WRITE_EXT : ATA_CMD_READ_EXT; while (blocks) { u16 now_blocks; /* number of blocks per iteration */ @@ -721,11 +721,15 @@ static int ata_scsiop_read_write(ccb *pccb, u8 is_write) return -EIO; } - /* LBA address, only support LBA28 in this driver */ + /* LBA48 SATA command but only use 32bit address range within + * that. The next smaller command range (28bit) is too small. + */ fis[4] = (lba >> 0) & 0xff; fis[5] = (lba >> 8) & 0xff; fis[6] = (lba >> 16) & 0xff; - fis[7] = ((lba >> 24) & 0xf) | 0xe0; + fis[7] = 1 << 6; /* device reg: set LBA mode */ + fis[8] = ((lba >> 24) & 0xff); + fis[3] = 0xe0; /* features */ /* Block (sector) count */ fis[12] = (now_blocks >> 0) & 0xff; @@ -963,7 +967,7 @@ static int ata_io_flush(u8 port) memset(fis, 0, 20); fis[0] = 0x27; /* Host to device FIS. */ fis[1] = 1 << 7; /* Command FIS. */ - fis[2] = ATA_CMD_FLUSH; + fis[2] = ATA_CMD_FLUSH_EXT; memcpy((unsigned char *)pp->cmd_tbl, fis, 20); ahci_fill_cmd_slot(pp, cmd_fis_len); |