add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/scsi/sg.h
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@@ -24,7 +24,7 @@
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  *	http://sg.danny.cz/sg  [alternatively check the MAINTAINERS file]
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  * The documentation for the sg version 3 driver can be found at:
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  *	http://sg.danny.cz/sg/p/sg_v3_ho.html
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- * Also see: <kernel_source>/Documentation/scsi/scsi-generic.txt
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+ * Also see: <kernel_source>/Documentation/scsi/scsi-generic.rst
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  *
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  * For utility and test programs see: http://sg.danny.cz/sg/sg3_utils.html
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  */
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@@ -68,6 +68,36 @@
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     unsigned int info;          /* [o] auxiliary information */
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 } sg_io_hdr_t;  /* 64 bytes long (on i386) */
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+#if defined(__KERNEL__)
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+#include <linux/compat.h>
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+
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+struct compat_sg_io_hdr {
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+	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
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+	compat_int_t dxfer_direction;	/* [i] data transfer direction  */
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+	unsigned char cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
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+	unsigned char mx_sb_len;	/* [i] max length to write to sbp */
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+	unsigned short iovec_count;	/* [i] 0 implies no scatter gather */
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+	compat_uint_t dxfer_len;	/* [i] byte count of data transfer */
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+	compat_uint_t dxferp;		/* [i], [*io] points to data transfer memory
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+						or scatter gather list */
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+	compat_uptr_t cmdp;		/* [i], [*i] points to command to perform */
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+	compat_uptr_t sbp;		/* [i], [*o] points to sense_buffer memory */
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+	compat_uint_t timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
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+	compat_uint_t flags;		/* [i] 0 -> default, see SG_FLAG... */
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+	compat_int_t pack_id;		/* [i->o] unused internally (normally) */
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+	compat_uptr_t usr_ptr;		/* [i->o] unused internally */
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+	unsigned char status;		/* [o] scsi status */
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+	unsigned char masked_status;	/* [o] shifted, masked scsi status */
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+	unsigned char msg_status;	/* [o] messaging level data (optional) */
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+	unsigned char sb_len_wr;	/* [o] byte count actually written to sbp */
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+	unsigned short host_status;	/* [o] errors from host adapter */
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+	unsigned short driver_status;	/* [o] errors from software driver */
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+	compat_int_t resid;		/* [o] dxfer_len - actual_transferred */
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+	compat_uint_t duration;		/* [o] time taken by cmd (unit: millisec) */
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+	compat_uint_t info;		/* [o] auxiliary information */
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+};
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+#endif
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+
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 #define SG_INTERFACE_ID_ORIG 'S'
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 /* Use negative values to flag difference from original sg_header structure */