summaryrefslogtreecommitdiffstats
path: root/include/scsi/scsi_device.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-10-11 12:39:35 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-11 12:39:35 -0700
commit56c5d900dbb8e042bfad035d18433476931d8f93 (patch)
tree00b793965beeef10db03e0ff021d2d965c410759 /include/scsi/scsi_device.h
parent4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff)
parentead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff)
downloadop-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip
op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: sound/core/memalloc.c
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 80b2e93..b49e725 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)
OpenPOWER on IntegriCloud