[PATCH] libata: Add the useful macros/constants needed for merging PATA stuff

HPA presence/enabled
HPA commands

Also add ata_id_is_cfa() as that is needed to detect and handle CF cards
which currently we reject.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/include/linux/ata.h b/include/linux/ata.h
index 6b188b3..312a2c0 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -146,6 +146,8 @@ enum {
        ATA_CMD_STANDBYNOW1     = 0xE0,
        ATA_CMD_IDLEIMMEDIATE   = 0xE1,
        ATA_CMD_INIT_DEV_PARAMS = 0x91,
+       ATA_CMD_READ_NATIVE_MAX = 0xF8,
+       ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
 
        /* SETFEATURES stuff */
        SETFEATURES_XFER        = 0x03,
@@ -246,18 +248,22 @@ struct ata_taskfile {
 };
 
 #define ata_id_is_ata(id)      (((id)[0] & (1 << 15)) == 0)
+#define ata_id_is_cfa(id)      ((id)[0] == 0x848A)
 #define ata_id_is_sata(id)     ((id)[93] == 0)
 #define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
 #define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
+#define ata_id_hpa_enabled(id) ((id)[85] & (1 << 10))
 #define ata_id_has_fua(id)     ((id)[84] & (1 << 6))
 #define ata_id_has_flush(id)   ((id)[83] & (1 << 12))
 #define ata_id_has_flush_ext(id) ((id)[83] & (1 << 13))
 #define ata_id_has_lba48(id)   ((id)[83] & (1 << 10))
+#define ata_id_has_hpa(id)     ((id)[82] & (1 << 10))
 #define ata_id_has_wcache(id)  ((id)[82] & (1 << 5))
 #define ata_id_has_pm(id)      ((id)[82] & (1 << 3))
 #define ata_id_has_lba(id)     ((id)[49] & (1 << 9))
 #define ata_id_has_dma(id)     ((id)[49] & (1 << 8))
 #define ata_id_removeable(id)  ((id)[0] & (1 << 7))
+#define ata_id_has_dword_io(id)        ((id)[50] & (1 << 0))
 #define ata_id_u32(id,n)       \
        (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
 #define ata_id_u64(id,n)       \