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| author | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 20:20:26 +0400 |
|---|---|---|
| committer | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 20:20:26 +0400 |
| commit | 651dab4264e4ba0e563f5ff56f748127246e9065 (patch) | |
| tree | 016630974bdcb00fe529b673f96d389e0fd6dc94 /include/scsi/scsi_device.h | |
| parent | 40b8606253552109815786e5d4b0de98782d31f5 (diff) | |
| parent | 2e532d68a2b3e2aa6b19731501222069735c741c (diff) | |
| download | linux-651dab4264e4ba0e563f5ff56f748127246e9065.tar.xz | |
Merge commit 'linus/master' into merge-linus
Conflicts:
arch/x86/kvm/i8254.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) |