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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-15 04:31:54 +0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-15 04:31:54 +0400
commit6dc6472581f693b5fc95aebedf67b4960fb85cf0 (patch)
tree06a5a9a08519950575505273eabced331ed51405 /include/scsi/scsi_device.h
parentee673eaa72d8d185012b1027a05e25aba18c267f (diff)
parent8acd3a60bcca17c6d89c73cee3ad6057eb83ba1e (diff)
downloadlinux-6dc6472581f693b5fc95aebedf67b4960fb85cf0.tar.xz
Merge commit 'origin'
Manual fixup of conflicts on: arch/powerpc/include/asm/dcr-regs.h drivers/net/ibm_newemac/core.h
Diffstat (limited to 'include/scsi/scsi_device.h')
-rw-r--r--include/scsi/scsi_device.h21
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)