diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:35:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:37:32 +0200 |
| commit | 365d46dc9be9b3c833990a06f3994b1987eda578 (patch) | |
| tree | 9397d1304144a288411f2118707f44ff5e862fa6 /include/scsi/scsi_device.h | |
| parent | 5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 (diff) | |
| parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
Merge branch 'linus' into x86/xen
Conflicts:
arch/x86/kernel/cpu/common.c
arch/x86/kernel/process_64.c
arch/x86/xen/enlighten.c
Diffstat (limited to 'include/scsi/scsi_device.h')
| -rw-r--r-- | include/scsi/scsi_device.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 80b2e93c2936..b49e725be039 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -42,9 +42,11 @@ enum scsi_device_state { * originate in the mid-layer) */ SDEV_OFFLINE, /* Device offlined (by error handling or * user request */ - SDEV_BLOCK, /* Device blocked by scsi lld. No scsi - * commands from user or midlayer should be issued - * to the scsi lld. */ + SDEV_BLOCK, /* Device blocked by scsi lld. No + * scsi commands from user or midlayer + * should be issued to the scsi + * lld. */ + SDEV_CREATED_BLOCK, /* same as above but for created devices */ }; enum scsi_device_event { @@ -384,10 +386,23 @@ static inline unsigned int sdev_id(struct scsi_device *sdev) #define scmd_id(scmd) sdev_id((scmd)->device) #define scmd_channel(scmd) sdev_channel((scmd)->device) +/* + * checks for positions of the SCSI state machine + */ static inline int scsi_device_online(struct scsi_device *sdev) { return sdev->sdev_state != SDEV_OFFLINE; } +static inline int scsi_device_blocked(struct scsi_device *sdev) +{ + return sdev->sdev_state == SDEV_BLOCK || + sdev->sdev_state == SDEV_CREATED_BLOCK; +} +static inline int scsi_device_created(struct scsi_device *sdev) +{ + return sdev->sdev_state == SDEV_CREATED || + sdev->sdev_state == SDEV_CREATED_BLOCK; +} /* accessor functions for the SCSI parameters */ static inline int scsi_device_sync(struct scsi_device *sdev) |