diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/ide.h | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 55098ee..a9eced2 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -133,12 +133,28 @@ struct ide_io_ports { /* * Timeouts for various operations: */ -#define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */ -#define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */ -#define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */ -#define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */ -#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */ -#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ +enum { + /* spec allows up to 20ms */ + WAIT_DRQ = HZ / 10, /* 100ms */ + /* some laptops are very slow */ + WAIT_READY = 5 * HZ, /* 5s */ + /* should be less than 3ms (?), if all ATAPI CD is closed at boot */ + WAIT_PIDENTIFY = 10 * HZ, /* 10s */ + /* worst case when spinning up */ + WAIT_WORSTCASE = 30 * HZ, /* 30s */ + /* maximum wait for an IRQ to happen */ + WAIT_CMD = 10 * HZ, /* 10s */ + /* Some drives require a longer IRQ timeout. */ + WAIT_FLOPPY_CMD = 50 * HZ, /* 50s */ + /* + * Some drives (for example, Seagate STT3401A Travan) require a very + * long timeout, because they don't return an interrupt or clear their + * BSY bit until after the command completes (even retension commands). + */ + WAIT_TAPE_CMD = 900 * HZ, /* 900s */ + /* minimum sleep time */ + WAIT_MIN_SLEEP = HZ / 50, /* 20ms */ +}; /* * Op codes for special requests to be handled by ide_special_rq(). |