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| author | Marc Carino <marc.ceeeee@gmail.com> | 2013-08-24 23:22:48 -0700 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-08-25 09:39:11 -0400 |
| commit | 8be5ad9acb7c11b9d717bcdbe3d6de0dab081a39 (patch) | |
| tree | 528bb497df99021c96fef990ccd4b3ae1b248e28 | |
| parent | f1bc1e4c44b1b78fe34431936c60759b5aad5e3f (diff) | |
| download | linux-8be5ad9acb7c11b9d717bcdbe3d6de0dab081a39.tar.bz2 | |
libata: Populate host-to-device FIS "auxiliary" field
SATA 3.1 added an "auxiliary" field to the host-to-device FIS.
Populate the host-to-device FIS with the new field via the
taskfile struct.
Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/ata/libata-core.c | 10 | ||||
| -rw-r--r-- | include/linux/libata.h | 4 |
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 39e78e4524a3..2b4e92568850 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -546,6 +546,8 @@ int atapi_cmd_type(u8 opcode) */ void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis) { + const __le32 aux = cpu_to_le32(tf->auxiliary); + fis[0] = 0x27; /* Register - Host to Device FIS */ fis[1] = pmp & 0xf; /* Port multiplier number*/ if (is_cmd) @@ -569,10 +571,10 @@ void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis) fis[14] = 0; fis[15] = tf->ctl; - fis[16] = 0; - fis[17] = 0; - fis[18] = 0; - fis[19] = 0; + fis[16] = aux & 0xff; + fis[17] = (aux >> 8) & 0xff; + fis[18] = (aux >> 16) & 0xff; + fis[19] = (aux >> 24) & 0xff; } /** diff --git a/include/linux/libata.h b/include/linux/libata.h index 3198617905e1..9b6ba196179f 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -555,6 +555,10 @@ struct ata_taskfile { u8 device; u8 command; /* IO operation */ + + u32 auxiliary; /* auxiliary field */ + /* from SATA 3.1 and */ + /* ATA-8 ACS-3 */ }; #ifdef CONFIG_ATA_SFF |