cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / bsg.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/bsg.h b/i686-linux-gnu-4.7/usr/include/linux/bsg.h
new file mode 100644 (file)
index 0000000..c70c2bd
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/bsg.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef BSG_H
+#define BSG_H
+
+#include <linux/types.h>
+
+#define BSG_PROTOCOL_SCSI              0
+
+#define BSG_SUB_PROTOCOL_SCSI_CMD      0
+#define BSG_SUB_PROTOCOL_SCSI_TMF      1
+#define BSG_SUB_PROTOCOL_SCSI_TRANSPORT        2
+
+/*
+ * For flag constants below:
+ * sg.h sg_io_hdr also has bits defined for it's flags member. These
+ * two flag values (0x10 and 0x20) have the same meaning in sg.h . For
+ * bsg the BSG_FLAG_Q_AT_HEAD flag is ignored since it is the deafult.
+ */
+#define BSG_FLAG_Q_AT_TAIL 0x10 /* default is Q_AT_HEAD */
+#define BSG_FLAG_Q_AT_HEAD 0x20
+
+struct sg_io_v4 {
+       __s32 guard;            /* [i] 'Q' to differentiate from v3 */
+       __u32 protocol;         /* [i] 0 -> SCSI , .... */
+       __u32 subprotocol;      /* [i] 0 -> SCSI command, 1 -> SCSI task
+                                  management function, .... */
+
+       __u32 request_len;      /* [i] in bytes */
+       __u64 request;          /* [i], [*i] {SCSI: cdb} */
+       __u64 request_tag;      /* [i] {SCSI: task tag (only if flagged)} */
+       __u32 request_attr;     /* [i] {SCSI: task attribute} */
+       __u32 request_priority; /* [i] {SCSI: task priority} */
+       __u32 request_extra;    /* [i] {spare, for padding} */
+       __u32 max_response_len; /* [i] in bytes */
+       __u64 response;         /* [i], [*o] {SCSI: (auto)sense data} */
+
+        /* "dout_": data out (to device); "din_": data in (from device) */
+       __u32 dout_iovec_count; /* [i] 0 -> "flat" dout transfer else
+                                  dout_xfer points to array of iovec */
+       __u32 dout_xfer_len;    /* [i] bytes to be transferred to device */
+       __u32 din_iovec_count;  /* [i] 0 -> "flat" din transfer */
+       __u32 din_xfer_len;     /* [i] bytes to be transferred from device */
+       __u64 dout_xferp;       /* [i], [*i] */
+       __u64 din_xferp;        /* [i], [*o] */
+
+       __u32 timeout;          /* [i] units: millisecond */
+       __u32 flags;            /* [i] bit mask */
+       __u64 usr_ptr;          /* [i->o] unused internally */
+       __u32 spare_in;         /* [i] */
+
+       __u32 driver_status;    /* [o] 0 -> ok */
+       __u32 transport_status; /* [o] 0 -> ok */
+       __u32 device_status;    /* [o] {SCSI: command completion status} */
+       __u32 retry_delay;      /* [o] {SCSI: status auxiliary information} */
+       __u32 info;             /* [o] additional information */
+       __u32 duration;         /* [o] time to complete, in milliseconds */
+       __u32 response_len;     /* [o] bytes of response actually written */
+       __s32 din_resid;        /* [o] din_xfer_len - actual_din_xfer_len */
+       __s32 dout_resid;       /* [o] dout_xfer_len - actual_dout_xfer_len */
+       __u64 generated_tag;    /* [o] {SCSI: transport generated task tag} */
+       __u32 spare_out;        /* [o] */
+
+       __u32 padding;
+};
+
+
+#endif /* BSG_H */