scsi/megaraid/megaraid_sas_fp.c

68 	u64 strip, struct MR_DRV_RAID_MAP_ALL *map);
473 * This routine calculates the row for given strip using spanset.
483 *    row         - row associated with strip
487 	u32 ld, u64 strip, struct MR_DRV_RAID_MAP_ALL *map)
501 		if (strip > span_set->data_strip_end)
504 		span_set_Strip = strip - span_set->data_strip_start;
540 *    Strip         - Start strip associated with row
552 	u64  strip;
571 					strip = mega_div64_32
575 					strip *= span_set->span_row_data_width;
576 					strip += span_set->data_strip_start;
577 					strip += span_set->strip_offset[span];
578 					return strip;
583 		"returns invalid strip for ld=%x, row=%lx\n",
591 * This routine calculates the Physical Arm for given strip using spanset.
596 *    strip      - Strip
601 *    Phys Arm         - Phys Arm associated with strip
605 	u32 ld, u64 strip, struct MR_DRV_RAID_MAP_ALL *map)
618 		if (strip > span_set->data_strip_end)
622 				((strip - span_set->data_strip_start),
641 		"returns invalid arm for ld=%x strip=%lx\n",
642 		ld, (long unsigned int)strip);
966 * This function will initiate command processing.  The start/end row and strip
1037 	num_strips          = (u8)(endStrip - start_strip + 1); /* End strip */
1057 				"for row 0x%llx,start strip %llx"
1099 		/* single-strip IOs can always lock only the data needed */
1104 		/* multi-strip IOs always need to full stripe locked */
1108 		 * If the start strip is the last in the start row
1113 			   of strip */
1121 		/* if IO ends within first strip of last row*/
1129 		 * If the start strip is the last in the start row
1135 			 * startRef to end of strip
1145 		/* if IO ends within first strip of last row */