Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-kgdb

[linux-2.6-omap-h63xx.git] / include / linux / bsg.h

diff --git a/include/linux/bsg.h b/include/linux/bsg.h
index 102dc096e1cb62c7f89ee1a58f6a77e5bb8c3180..60e377b520f8e242c003b2973ac6fc8df4605e40 100644 (file)
--- a/include/linux/bsg.h
+++ b/include/linux/bsg.h
@@ -15,14 +15,18 @@ struct sg_io_v4 {
 
        __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_tag;      /* [i] {SCSI: task tag (only if flagged)} */
        __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} */
 
-       /* "din_" for data in (from device); "dout_" for data out (to device) */
+        /* "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] */
@@ -39,8 +43,9 @@ struct sg_io_v4 {
        __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] actual_din_xfer_len - din_xfer_len */
-       __u32 generated_tag;    /* [o] {SCSI: task tag that transport chose} */
+       __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;