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authorAlbert Lee <albertcc@tw.ibm.com>2005-05-12 15:29:42 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-05-12 15:29:42 -0400
commit8bf62ecee58360749c5f0e68bc97d5e02a6816b1 (patch)
treea3da6e695fc5a71ac7f3246707380a9ac22f6402 /include/linux/libata.h
parent88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff)
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[libata] C/H/S support, for older devices
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 505160ab472b..bd0df84cfd87 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -95,6 +95,7 @@ enum {
ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */
ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */
ATA_DFLAG_LOCK_SECTORS = (1 << 2), /* don't adjust max_sectors */
+ ATA_DFLAG_LBA = (1 << 3), /* device supports LBA */
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
@@ -278,6 +279,11 @@ struct ata_device {
u8 xfer_protocol; /* taskfile xfer protocol */
u8 read_cmd; /* opcode to use on read */
u8 write_cmd; /* opcode to use on write */
+
+ /* for CHS addressing */
+ u16 cylinders; /* Number of cylinders */
+ u16 heads; /* Number of heads */
+ u16 sectors; /* Number of sectors per track */
};
struct ata_port {
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