diff options
Diffstat (limited to 'include/linux/ata.h')
-rw-r--r-- | include/linux/ata.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index e21c002c3a4a..128dc7ad4901 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h | |||
@@ -236,6 +236,7 @@ enum { | |||
236 | 236 | ||
237 | /* SETFEATURE Sector counts for SATA features */ | 237 | /* SETFEATURE Sector counts for SATA features */ |
238 | SATA_AN = 0x05, /* Asynchronous Notification */ | 238 | SATA_AN = 0x05, /* Asynchronous Notification */ |
239 | SATA_DIPM = 0x03, /* Device Initiated Power Management */ | ||
239 | 240 | ||
240 | /* ATAPI stuff */ | 241 | /* ATAPI stuff */ |
241 | ATAPI_PKT_DMA = (1 << 0), | 242 | ATAPI_PKT_DMA = (1 << 0), |
@@ -378,6 +379,26 @@ struct ata_taskfile { | |||
378 | 379 | ||
379 | #define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20) | 380 | #define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20) |
380 | 381 | ||
382 | static inline bool ata_id_has_hipm(const u16 *id) | ||
383 | { | ||
384 | u16 val = id[76]; | ||
385 | |||
386 | if (val == 0 || val == 0xffff) | ||
387 | return false; | ||
388 | |||
389 | return val & (1 << 9); | ||
390 | } | ||
391 | |||
392 | static inline bool ata_id_has_dipm(const u16 *id) | ||
393 | { | ||
394 | u16 val = id[78]; | ||
395 | |||
396 | if (val == 0 || val == 0xffff) | ||
397 | return false; | ||
398 | |||
399 | return val & (1 << 3); | ||
400 | } | ||
401 | |||
381 | static inline int ata_id_has_fua(const u16 *id) | 402 | static inline int ata_id_has_fua(const u16 *id) |
382 | { | 403 | { |
383 | if ((id[84] & 0xC000) != 0x4000) | 404 | if ((id[84] & 0xC000) != 0x4000) |