Differential D33973 Diff 102592 sys/cam/cam.c

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sys/cam/cam.c

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	int cam_sort_io_queues = CAM_DEFAULT_SORT_IO_QUEUES;			int cam_sort_io_queues = CAM_DEFAULT_SORT_IO_QUEUES;
	SYSCTL_INT(_kern_cam, OID_AUTO, sort_io_queues, CTLFLAG_RWTUN,			SYSCTL_INT(_kern_cam, OID_AUTO, sort_io_queues, CTLFLAG_RWTUN,
	&cam_sort_io_queues, 0, "Sort IO queues to try and optimise disk access patterns");			&cam_sort_io_queues, 0, "Sort IO queues to try and optimise disk access patterns");
	#endif			#endif

	void			void
	cam_strvis(u_int8_t dst, const u_int8_t src, int srclen, int dstlen)			cam_strvis(u_int8_t dst, const u_int8_t src, int srclen, int dstlen)
	{			{
				cam_strvis_flag(dst, src, srclen, dstlen,
				CAM_STRVIS_FLAG_NONASCII_ESC);
				}

	/* Trim leading/trailing spaces, nulls. */			void
	while (srclen > 0 && src[0] == ' ')			cam_strvis_flag(u_int8_t dst, const u_int8_t src, int srclen, int dstlen,
	src++, srclen--;			uint32_t flags)
	while (srclen > 0			{
	&& (src[srclen-1] == ' ' \|\| src[srclen-1] == '\0'))			struct sbuf sb;
	srclen--;

	while (srclen > 0 && dstlen > 1) {			sbuf_new(&sb, dst, dstlen, SBUF_FIXEDLEN);
	u_int8_t *cur_pos = dst;			cam_strvis_sbuf(&sb, src, srclen, flags);
				sbuf_finish(&sb);
	if (src < 0x20 \|\| src >= 0x80) {
	/* SCSI-II Specifies that these should never occur. */
	/* non-printable character */
	if (dstlen > 4) {
	*cur_pos++ = '\\';
	cur_pos++ = ((src & 0300) >> 6) + '0';
	cur_pos++ = ((src & 0070) >> 3) + '0';
	cur_pos++ = ((src & 0007) >> 0) + '0';
	} else {
	*cur_pos++ = '?';
	}
	} else {
	/* normal character */
	cur_pos++ = src;
	}
	src++;
	srclen--;
	dstlen -= cur_pos - dst;
	dst = cur_pos;
	}
	*dst = '\0';
	}			}

	void			void
	cam_strvis_sbuf(struct sbuf sb, const u_int8_t src, int srclen,			cam_strvis_sbuf(struct sbuf sb, const u_int8_t src, int srclen,
	uint32_t flags)			uint32_t flags)
	{			{

	/* Trim leading/trailing spaces, nulls. */			/* Trim leading/trailing spaces, nulls. */
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