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-rw-r--r--include/linux/ata.h25
1 files changed, 18 insertions, 7 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index a53318b8cbd..6617c9f8f2c 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -89,6 +89,8 @@ enum {
ATA_ID_DLF = 128,
ATA_ID_CSFO = 129,
ATA_ID_CFA_POWER = 160,
+ ATA_ID_CFA_KEY_MGMT = 162,
+ ATA_ID_CFA_MODES = 163,
ATA_ID_ROT_SPEED = 217,
ATA_ID_PIO4 = (1 << 1),
@@ -106,6 +108,8 @@ enum {
ATA_PIO5 = ATA_PIO4 | (1 << 5),
ATA_PIO6 = ATA_PIO5 | (1 << 6),
+ ATA_PIO4_ONLY = (1 << 4),
+
ATA_SWDMA0 = (1 << 0),
ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1),
ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2),
@@ -115,6 +119,8 @@ enum {
ATA_MWDMA0 = (1 << 0),
ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1),
ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2),
+ ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3),
+ ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4),
ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2),
ATA_MWDMA2_ONLY = (1 << 2),
@@ -129,6 +135,8 @@ enum {
ATA_UDMA7 = ATA_UDMA6 | (1 << 7),
/* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */
+ ATA_UDMA24_ONLY = (1 << 2) | (1 << 4),
+
ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */
/* DMA-related */
@@ -242,8 +250,6 @@ enum {
ATA_CMD_MEDIA_UNLOCK = 0xDF,
/* marked obsolete in the ATA/ATAPI-7 spec */
ATA_CMD_RESTORE = 0x10,
- /* EXABYTE specific */
- ATA_EXABYTE_ENABLE_NEST = 0xF0,
/* READ_LOG_EXT pages */
ATA_LOG_SATA_NCQ = 0x10,
@@ -731,12 +737,17 @@ static inline int ata_id_current_chs_valid(const u16 *id)
static inline int ata_id_is_cfa(const u16 *id)
{
- if (id[ATA_ID_CONFIG] == 0x848A) /* Standard CF */
+ if (id[ATA_ID_CONFIG] == 0x848A) /* Traditional CF */
return 1;
- /* Could be CF hiding as standard ATA */
- if (ata_id_major_version(id) >= 3 &&
- id[ATA_ID_COMMAND_SET_1] != 0xFFFF &&
- (id[ATA_ID_COMMAND_SET_1] & (1 << 2)))
+ /*
+ * CF specs don't require specific value in the word 0 anymore and yet
+ * they forbid to report the ATA version in the word 80 and require the
+ * CFA feature set support to be indicated in the word 83 in this case.
+ * Unfortunately, some cards only follow either of this requirements,
+ * and while those that don't indicate CFA feature support need some
+ * sort of quirk list, it seems impractical for the ones that do...
+ */
+ if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004)
return 1;
return 0;
}