patch-2.0.9 linux/drivers/block/ide.h
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- Lines: 56
- Date:
Thu Jul 25 20:27:39 1996
- Orig file:
v2.0.8/linux/drivers/block/ide.h
- Orig date:
Sat May 11 10:42:05 1996
diff -u --recursive --new-file v2.0.8/linux/drivers/block/ide.h linux/drivers/block/ide.h
@@ -135,7 +135,11 @@
* Timeouts for various operations:
*/
#define WAIT_DRQ (5*HZ/100) /* 50msec - spec allows up to 20ms */
+#ifdef CONFIG_APM
+#define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */
+#else
#define WAIT_READY (3*HZ/100) /* 30msec - should be instantaneous */
+#endif /* CONFIG_APM */
#define WAIT_PIDENTIFY (1*HZ) /* 1sec - should be less than 3ms (?) */
#define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */
#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */
@@ -292,6 +296,18 @@
} b;
} special_t;
+#ifdef __BIG_ENDIAN_BITFIELD
+typedef union {
+ unsigned all : 8; /* all of the bits together */
+ struct {
+ unsigned bit7 : 1; /* always 1 */
+ unsigned lba : 1; /* using LBA instead of CHS */
+ unsigned bit5 : 1; /* always 1 */
+ unsigned unit : 1; /* drive select number, 0 or 1 */
+ unsigned head : 4; /* always zeros here */
+ } b;
+ } select_t;
+#else /* __BIG_ENDIAN_BITFIELD */
typedef union {
unsigned all : 8; /* all of the bits together */
struct {
@@ -302,6 +318,7 @@
unsigned bit7 : 1; /* always 1 */
} b;
} select_t;
+#endif /* __BIG_ENDIAN_BITFIELD */
typedef struct ide_drive_s {
special_t special; /* special action flags */
@@ -315,6 +332,7 @@
unsigned unmask : 1; /* flag: okay to unmask other irqs */
unsigned nobios : 1; /* flag: do not probe bios for drive */
unsigned autotune : 2; /* 1=autotune, 2=noautotune, 0=default */
+ unsigned ignore_unexp : 1; /* flag: ignore unexpected_intr's */
#if FAKE_FDISK_FOR_EZDRIVE
unsigned remap_0_to_1 : 1; /* flag: partitioned with ezdrive */
#endif /* FAKE_FDISK_FOR_EZDRIVE */
@@ -324,7 +342,7 @@
byte ready_stat; /* min status value for drive ready */
byte mult_count; /* current multiple sector setting */
byte mult_req; /* requested multiple sector setting */
- byte pio_req; /* requested multiple sector setting */
+ byte pio_req; /* requested drive pio setting */
byte io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
byte bad_wstat; /* used for ignoring WRERR_STAT */
byte sect0; /* offset of first sector for DM6:DDO */
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