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Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index b75d41e5c378..88950f362d97 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -19,6 +19,16 @@
#include <linux/kref.h>
#include <linux/blk-mq.h>
+enum {
+ /*
+ * Driver internal status code for commands that were cancelled due
+ * to timeouts or controller shutdown. The value is negative so
+ * that it a) doesn't overlap with the unsigned hardware error codes,
+ * and b) can easily be tested for.
+ */
+ NVME_SC_CANCELLED = -EINTR,
+};
+
extern unsigned char nvme_io_timeout;
#define NVME_IO_TIMEOUT (nvme_io_timeout * HZ)