[libata] C/H/S support, for older devices

This commit is contained in:
Albert Lee
2005-05-12 15:29:42 -04:00
committed by Jeff Garzik
parent 88d7bd8cb9
commit 8bf62ecee5
4 changed files with 318 additions and 134 deletions

View File

@@ -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 {