From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/scsi/scsi.h | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/kernel/include/scsi/scsi.h b/kernel/include/scsi/scsi.h
index eb7853c..ef33451 100644
--- a/kernel/include/scsi/scsi.h
+++ b/kernel/include/scsi/scsi.h
@@ -88,6 +88,21 @@
return (lun & 0xff00) == SCSI_W_LUN_BASE;
}
+/**
+ * scsi_status_is_check_condition - check the status return.
+ *
+ * @status: the status passed up from the driver (including host and
+ * driver components)
+ *
+ * This returns true if the status code is SAM_STAT_CHECK_CONDITION.
+ */
+static inline int scsi_status_is_check_condition(int status)
+{
+ if (status < 0)
+ return false;
+ status &= 0xfe;
+ return status == SAM_STAT_CHECK_CONDITION;
+}
/*
* MESSAGE CODES
@@ -273,11 +288,5 @@
/* Used to obtain the PCI location of a device */
#define SCSI_IOCTL_GET_PCI 0x5387
-
-/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
-static inline __u32 scsi_to_u32(__u8 *ptr)
-{
- return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
-}
#endif /* _SCSI_SCSI_H */
--
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