scsi/esas2r/esas2r_flash.c

137 	struct esas2r_flash_context *fc =
144 			if (fc->sgc.cur_offset == NULL)
155 			rq->interrupt_cb = fc->interrupt_cb;
169 		(*fc->interrupt_cb)(a, rq);
179 	struct esas2r_flash_context *fc =
181 	struct esas2r_sg_context *sgc = &fc->sgc;
185 	if (fc->func == VDA_FLASH_BEGINW) {
192 		rq->interrupt_cb = fc->interrupt_cb;
196 			       fc->func,
198 			       fc->flsh_addr,
208 	fc->curr_len = fc->sgc.length;
219 		fc->sgc.length = 0;
223 	fc->flsh_addr += fc->curr_len;
305 	struct esas2r_flash_context *fc =
307 	struct esas2r_flash_img *fi = fc->fi;
315 		memset(fc->scratch, 0, FM_BUF_SZ);
326 	struct esas2r_flash_context *fc =
328 	struct esas2r_flash_img *fi = fc->fi;
342 	if (fc->func == VDA_FLASH_READ
343 	    && fc->cmp_len) {
344 		ch = &fi->cmp_hdr[fc->comp_typ];
346 		p = fc->scratch;
350 		    - fc->cmp_len;              /* where we are now           */
356 		for (len = fc->curr_len; len; len--)
360 		fc->cmp_len -= fc->curr_len; /* # left to compare    */
362 		/* Update fc and determine the length for the next upload */
363 		if (fc->cmp_len > FM_BUF_SZ)
364 			fc->sgc.length = FM_BUF_SZ;
366 			fc->sgc.length = fc->cmp_len;
368 		fc->sgc.cur_offset = fc->sgc_offset +
369 				     ((u8 *)fc->scratch - (u8 *)fi);
378 	while (fc->sgc.length == 0) {
379 		ch = &fi->cmp_hdr[fc->comp_typ];
381 		switch (fc->task) {
388 			fc->task = FMTSK_WRTBIOS;
389 			fc->func = VDA_FLASH_BEGINW;
390 			fc->comp_typ = CH_IT_BIOS;
391 			fc->flsh_addr = FLS_OFFSET_BOOT;
392 			fc->sgc.length = ch->length;
393 			fc->sgc.cur_offset = fc->sgc_offset +
402 			fc->task = FMTSK_READBIOS;
403 			fc->func = VDA_FLASH_READ;
404 			fc->flsh_addr = FLS_OFFSET_BOOT;
405 			fc->cmp_len = ch->length;
406 			fc->sgc.length = FM_BUF_SZ;
407 			fc->sgc.cur_offset = fc->sgc_offset
408 					     + ((u8 *)fc->scratch -
425 			fc->task = FMTSK_WRTMAC;
426 			fc->func = VDA_FLASH_BEGINW;
427 			fc->comp_typ = CH_IT_MAC;
428 			fc->flsh_addr = FLS_OFFSET_BOOT
430 			fc->sgc.length = ch->length;
431 			fc->sgc.cur_offset = fc->sgc_offset +
437 			fc->task = FMTSK_READMAC;
438 			fc->func = VDA_FLASH_READ;
439 			fc->flsh_addr -= ch->length;
440 			fc->cmp_len = ch->length;
441 			fc->sgc.length = FM_BUF_SZ;
442 			fc->sgc.cur_offset = fc->sgc_offset
443 					     + ((u8 *)fc->scratch -
460 			fc->task = FMTSK_WRTEFI;
461 			fc->func = VDA_FLASH_BEGINW;
462 			fc->comp_typ = CH_IT_EFI;
463 			fc->flsh_addr = FLS_OFFSET_BOOT
466 			fc->sgc.length = ch->length;
467 			fc->sgc.cur_offset = fc->sgc_offset +
473 			fc->task = FMTSK_READEFI;
474 			fc->func = VDA_FLASH_READ;
475 			fc->flsh_addr -= ch->length;
476 			fc->cmp_len = ch->length;
477 			fc->sgc.length = FM_BUF_SZ;
478 			fc->sgc.cur_offset = fc->sgc_offset
479 					     + ((u8 *)fc->scratch -
496 			fc->task = FMTSK_WRTCFG;
497 			fc->func = VDA_FLASH_BEGINW;
498 			fc->comp_typ = CH_IT_CFG;
499 			fc->flsh_addr = FLS_OFFSET_CPYR - ch->length;
500 			fc->sgc.length = ch->length;
501 			fc->sgc.cur_offset = fc->sgc_offset +
507 			fc->task = FMTSK_READCFG;
508 			fc->func = VDA_FLASH_READ;
509 			fc->flsh_addr = FLS_OFFSET_CPYR - ch->length;
510 			fc->cmp_len = ch->length;
511 			fc->sgc.length = FM_BUF_SZ;
512 			fc->sgc.cur_offset = fc->sgc_offset
513 					     + ((u8 *)fc->scratch -
543 		if (fc->func == VDA_FLASH_READ
544 		    && fc->sgc.length > fc->cmp_len)
545 			fc->sgc.length = fc->cmp_len;
551 		if (fc->comp_typ < fi->num_comps) {
552 			ch = &fi->cmp_hdr[fc->comp_typ];
664 static u16 calc_fi_checksum(struct esas2r_flash_context *fc)
666 	struct esas2r_flash_img *fi = fc->fi;
671 	for (len = (fi->length - fc->fi_hdr_len) / 2,
672 	     pw = (u16 *)((u8 *)fi + fc->fi_hdr_len),
693 		      struct esas2r_flash_context *fc)
695 	struct esas2r_flash_img *fi = fc->fi;
706 	    || len < fc->fi_hdr_len) {
812 	if (len != fi->length - fc->fi_hdr_len) {
818 	if (fi->checksum != calc_fi_checksum(fc)) {
1393 	struct esas2r_flash_context *fc = &a->flash_context;
1403 	memcpy(&fc->sgc, sgc, sizeof(struct esas2r_sg_context));
1404 	sgc = &fc->sgc;
1405 	fc->fi = fi;
1406 	fc->sgc_offset = sgc->cur_offset;
1408 	rq->interrupt_cx = fc;
1412 		fc->scratch = ((struct esas2r_flash_img *)fi)->scratch_buf;
1413 		fc->num_comps = FI_NUM_COMPS_V1;
1414 		fc->fi_hdr_len = sizeof(struct esas2r_flash_img);
1427 		if (!verify_fi(a, fc))
1447 		fi->checksum = calc_fi_checksum(fc);
1453 		fc->task = FMTSK_ERASE_BOOT;
1454 		fc->func = VDA_FLASH_BEGINW;
1455 		fc->comp_typ = CH_IT_CFG;
1456 		fc->flsh_addr = FLS_OFFSET_BOOT;
1457 		fc->sgc.length = FLS_LENGTH_BOOT;
1458 		fc->sgc.cur_offset = NULL;
1461 		fc->interrupt_cb = fw_download_proc;
1467 		fi->num_comps = fc->num_comps;
1468 		fi->length = fc->fi_hdr_len;
1511 	 * If we make it here, fc has been setup to do the first task.  Call