io/mega_sas/megaraid_sas.c

1163 	struct scsa_cmd	*acmd;
1179 		acmd = PKT2CMD(pkt);
1185 		acmd->cmd_pkt		= pkt;
1186 		acmd->cmd_flags		= 0;
1187 		acmd->cmd_scblen	= statuslen;
1188 		acmd->cmd_cdblen	= cmdlen;
1189 		acmd->cmd_dmahandle	= NULL;
1190 		acmd->cmd_ncookies	= 0;
1191 		acmd->cmd_cookie	= 0;
1192 		acmd->cmd_cookiecnt	= 0;
1193 		acmd->cmd_nwin		= 0;
1205 		acmd = PKT2CMD(pkt);
1211 		if (acmd->cmd_dmahandle == NULL) {
1577 	struct scsa_cmd *acmd = PKT2CMD(pkt);
1581 	if (acmd->cmd_flags & CFLAG_DMAVALID) {
1582 		acmd->cmd_flags &= ~CFLAG_DMAVALID;
1584 		(void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
1586 		ddi_dma_free_handle(&acmd->cmd_dmahandle);
1588 		acmd->cmd_dmahandle = NULL;
1611 	register struct scsa_cmd *acmd = PKT2CMD(pkt);
1615 	if (acmd->cmd_flags & CFLAG_DMAVALID) {
1616 		acmd->cmd_flags &= ~CFLAG_DMAVALID;
1618 		(void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
1620 		ddi_dma_free_handle(&acmd->cmd_dmahandle);
1622 		acmd->cmd_dmahandle = NULL;
1652 	register struct scsa_cmd	*acmd = PKT2CMD(pkt);
1654 	if (acmd->cmd_flags & CFLAG_DMAVALID) {
1655 		(void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset,
1656 		    acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ?
2711 	struct scsa_cmd		*acmd;
2773 			acmd =	cmd->cmd;
2774 			pkt =	CMD2PKT(acmd);
2776 			if (acmd->cmd_flags & CFLAG_DMAVALID) {
2777 				if (acmd->cmd_flags & CFLAG_CONSISTENT) {
2778 					(void) ddi_dma_sync(acmd->cmd_dmahandle,
2779 					    acmd->cmd_dma_offset,
2780 					    acmd->cmd_dma_len,
2793 			    pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"),
2794 			    acmd->cmd_dmacount, hdr->context));
2799 				if (acmd->cmd_dmacount != 0) {
2800 					bp_mapin(acmd->cmd_buf);
2802 					    acmd->cmd_buf->b_un.b_addr;
2805 					if (acmd->islogical &&
2864 					    acmd->cmd_scblen -
2919 			if (acmd->cmd_dmahandle) {
2921 				    acmd->cmd_dmahandle) != DDI_SUCCESS) {
3103 	struct scsa_cmd	*acmd = PKT2CMD(pkt);
3105 	acmd->cmd_buf = bp;
3108 		acmd->cmd_flags &= ~CFLAG_DMASEND;
3111 		acmd->cmd_flags |= CFLAG_DMASEND;
3116 		acmd->cmd_flags |= CFLAG_CONSISTENT;
3132 	    cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) {
3150 	i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags,
3151 	    cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies);
3161 		if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) ==
3167 		if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
3168 		    &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
3169 		    &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
3178 		acmd->cmd_nwin = 1;
3179 		acmd->cmd_dma_len = 0;
3180 		acmd->cmd_dma_offset = 0;
3184 		acmd->cmd_dmacount = 0;
3186 			acmd->cmd_dmacount +=
3187 			    acmd->cmd_dmacookies[i++].dmac_size;
3190 			    i == acmd->cmd_ncookies)
3193 			ddi_dma_nextcookie(acmd->cmd_dmahandle,
3194 			    &acmd->cmd_dmacookies[i]);
3197 		acmd->cmd_cookie = i;
3198 		acmd->cmd_cookiecnt = i;
3200 		acmd->cmd_flags |= CFLAG_DMAVALID;
3202 		if (bp->b_bcount >= acmd->cmd_dmacount) {
3203 			pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
3229 	ddi_dma_free_handle(&acmd->cmd_dmahandle);
3230 	acmd->cmd_dmahandle = NULL;
3231 	acmd->cmd_flags &= ~CFLAG_DMAVALID;
3247 	struct scsa_cmd	*acmd = PKT2CMD(pkt);
3253 	if (acmd->cmd_cookie == acmd->cmd_ncookies) {
3254 		if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) {
3259 		if (++acmd->cmd_curwin >= acmd->cmd_nwin) {
3263 		if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
3264 		    &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
3265 		    &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
3270 		acmd->cmd_cookie = 0;
3273 		ddi_dma_nextcookie(acmd->cmd_dmahandle,
3274 		    &acmd->cmd_dmacookies[0]);
3279 		acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size;
3280 		acmd->cmd_cookie++;
3283 		    acmd->cmd_cookie == acmd->cmd_ncookies) {
3287 		ddi_dma_nextcookie(acmd->cmd_dmahandle,
3288 		    &acmd->cmd_dmacookies[i]);
3291 	acmd->cmd_cookiecnt = i;
3293 	if (bp->b_bcount >= acmd->cmd_dmacount) {
3294 		pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
3316 	struct scsa_cmd			*acmd = PKT2CMD(pkt);
3321 	acmd->islogical = MEGADRV_IS_LOGICAL(ap);
3322 	acmd->device_id = MAP_DEVICE_ID(instance, ap);
3331 	cmd->cmd = acmd;
3334 	if (acmd->cmd_flags & CFLAG_DMASEND) {
3337 		if (acmd->cmd_flags & CFLAG_CONSISTENT) {
3338 			(void) ddi_dma_sync(acmd->cmd_dmahandle,
3339 			    acmd->cmd_dma_offset, acmd->cmd_dma_len,
3342 	} else if (acmd->cmd_flags & ~CFLAG_DMASEND) {
3345 		if (acmd->cmd_flags & CFLAG_CONSISTENT) {
3346 			(void) ddi_dma_sync(acmd->cmd_dmahandle,
3347 			    acmd->cmd_dma_offset, acmd->cmd_dma_len,
3371 		if (acmd->islogical) {
3382 			ldio->target_id	 = acmd->device_id;
3395 			ldio->access_byte = (acmd->cmd_cdblen != 6) ?
3397 			ldio->sge_count = acmd->cmd_cookiecnt;
3402 			if (acmd->cmd_cdblen == CDB_GROUP0) {
3411 			} else if (acmd->cmd_cdblen == CDB_GROUP1) {
3421 			} else if (acmd->cmd_cdblen == CDB_GROUP2) {
3433 			} else if (acmd->cmd_cdblen == CDB_GROUP3) {
3460 		pthru->cmd = (acmd->islogical) ?
3464 		pthru->target_id	= acmd->device_id;
3466 		pthru->cdb_len		= acmd->cmd_cdblen;
3469 		pthru->data_xfer_len	= acmd->cmd_dmacount;
3470 		pthru->sge_count	= acmd->cmd_cookiecnt;
3480 		bcopy(pkt->pkt_cdbp, pthru->cdb, acmd->cmd_cdblen);
3490 	for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) {
3491 		mfi_sgl->phys_addr = acmd->cmd_dmacookies[i].dmac_laddress;
3492 		mfi_sgl->length    = acmd->cmd_dmacookies[i].dmac_size;
3495 	sge_bytes = sizeof (struct megasas_sge64)*acmd->cmd_cookiecnt;