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libata: Populate host-to-device FIS "auxiliary" field

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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>
This commit is contained in:
Marc Carino 2013-08-24 23:22:48 -07:00 • committed by Tejun Heo
parent f1bc1e4c44
commit 8be5ad9acb
2 changed files with 10 additions and 4 deletions
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10
drivers/ata/libata-core.c
View file

@ -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) 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[0] = 0x27; /* Register - Host to Device FIS */
fis[1] = pmp & 0xf; /* Port multiplier number*/ fis[1] = pmp & 0xf; /* Port multiplier number*/
if (is_cmd) 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[14] = 0;
fis[15] = tf->ctl; fis[15] = tf->ctl;
fis[16] = 0; fis[16] = aux & 0xff;
fis[17] = 0; fis[17] = (aux >> 8) & 0xff;
fis[18] = 0; fis[18] = (aux >> 16) & 0xff;
fis[19] = 0; fis[19] = (aux >> 24) & 0xff;
} }
/** /**

4
include/linux/libata.h
View file

@ -555,6 +555,10 @@ struct ata_taskfile {
u8 device; u8 device;
u8 command; /* IO operation */ u8 command; /* IO operation */
u32 auxiliary; /* auxiliary field */
/* from SATA 3.1 and */
/* ATA-8 ACS-3 */
}; };
#ifdef CONFIG_ATA_SFF #ifdef CONFIG_ATA_SFF