On 08/08/2013 11:16 AM, Marc C wrote:
From: Marc Carino <marc.ceeeee@xxxxxxxxx>
Add support for the following ATA opcodes, which are present in SATA 3.1 and T13 ATA ACS-3:
SEND FPDMA QUEUED RECEIVE FPDMA QUEUED
Signed-off-by: Marc Carino <marc.ceeeee@xxxxxxxxx>
[...]
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 1145637..f9e4fd8 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -388,4 +388,12 @@ static inline int ahci_nr_ports(u32 cap) return (cap & 0x1f) + 1; } +static inline void ahci_h2dfis_set_auxiliary(u8 *fis, u32 aux) +{ + fis[16] = aux & 0xff; + fis[17] = (aux >> 8) & 0xff; + fis[18] = (aux >> 16) & 0xff; + fis[19] = (aux >> 24) & 0xff; +} + #endif /* _AHCI_H */ diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index acfd0f7..52668f4 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1499,6 +1499,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc) cmd_tbl = pp->cmd_tbl + qc->tag * AHCI_CMD_TBL_SZ; ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, cmd_tbl); + ahci_h2dfis_set_auxiliary(cmd_tbl, qc->auxiliary); if (is_atapi) { memset(cmd_tbl + AHCI_CMD_TBL_CDB, 0, 32); memcpy(cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, qc->dev->cdb_len);
How about non-AHCI FIS-based controllers? WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html