87 sr_raid6_discipline_init(struct sr_discipline *sd)  in sr_raid6_discipline_init()  argument
93 	sd->sd_type = SR_MD_RAID6;  in sr_raid6_discipline_init()
94 	strlcpy(sd->sd_name, "RAID 6", sizeof(sd->sd_name));  in sr_raid6_discipline_init()
95 	sd->sd_capabilities = SR_CAP_SYSTEM_DISK | SR_CAP_AUTO_ASSEMBLE |  in sr_raid6_discipline_init()
97 	sd->sd_max_wu = SR_RAID6_NOWU;  in sr_raid6_discipline_init()
100 	sd->sd_assemble = sr_raid6_assemble;  in sr_raid6_discipline_init()
101 	sd->sd_create = sr_raid6_create;  in sr_raid6_discipline_init()
102 	sd->sd_openings = sr_raid6_openings;  in sr_raid6_discipline_init()
103 	sd->sd_scsi_rw = sr_raid6_rw;  in sr_raid6_discipline_init()
104 	sd->sd_scsi_intr = sr_raid6_intr;  in sr_raid6_discipline_init()
105 	sd->sd_scsi_wu_done = sr_raid6_wu_done;  in sr_raid6_discipline_init()
106 	sd->sd_set_chunk_state = sr_raid6_set_chunk_state;  in sr_raid6_discipline_init()
107 	sd->sd_set_vol_state = sr_raid6_set_vol_state;  in sr_raid6_discipline_init()
111 sr_raid6_create(struct sr_discipline *sd, struct bioc_createraid *bc,  in sr_raid6_create()  argument
115 		sr_error(sd->sd_sc, "%s requires four or more chunks",  in sr_raid6_create()
116 		    sd->sd_name);  in sr_raid6_create()
124 	sd->sd_meta->ssdi.ssd_strip_size = MAXPHYS;  in sr_raid6_create()
125 	sd->sd_meta->ssdi.ssd_size = (coerced_size &  in sr_raid6_create()
126 	    ~(((u_int64_t)sd->sd_meta->ssdi.ssd_strip_size >>  in sr_raid6_create()
129 	return sr_raid6_init(sd);  in sr_raid6_create()
133 sr_raid6_assemble(struct sr_discipline *sd, struct bioc_createraid *bc,  in sr_raid6_assemble()  argument
136 	return sr_raid6_init(sd);  in sr_raid6_assemble()
140 sr_raid6_init(struct sr_discipline *sd)  in sr_raid6_init()  argument
143 	sd->mds.mdd_raid6.sr6_strip_bits =  in sr_raid6_init()
144 	    sr_validate_stripsize(sd->sd_meta->ssdi.ssd_strip_size);  in sr_raid6_init()
145 	if (sd->mds.mdd_raid6.sr6_strip_bits == -1) {  in sr_raid6_init()
146 		sr_error(sd->sd_sc, "invalid strip size");  in sr_raid6_init()
151 	sd->sd_max_ccb_per_wu = max(6, 2 * sd->sd_meta->ssdi.ssd_chunk_no);  in sr_raid6_init()
157 sr_raid6_openings(struct sr_discipline *sd)  in sr_raid6_openings()  argument
159 	return (sd->sd_max_wu >> 1); /* 2 wu's per IO */  in sr_raid6_openings()
163 sr_raid6_set_chunk_state(struct sr_discipline *sd, int c, int new_state)  in sr_raid6_set_chunk_state()  argument
169 	    DEVNAME(sd->sd_sc), sd->sd_meta->ssd_devname,  in sr_raid6_set_chunk_state()
170 	    sd->sd_vol.sv_chunks[c]->src_meta.scmi.scm_devname, c, new_state);  in sr_raid6_set_chunk_state()
174 	old_state = sd->sd_vol.sv_chunks[c]->src_meta.scm_status;  in sr_raid6_set_chunk_state()
222 		    DEVNAME(sd->sd_sc),  in sr_raid6_set_chunk_state()
223 		    sd->sd_meta->ssd_devname,  in sr_raid6_set_chunk_state()
224 		    sd->sd_vol.sv_chunks[c]->src_meta.scmi.scm_devname,  in sr_raid6_set_chunk_state()
229 	sd->sd_vol.sv_chunks[c]->src_meta.scm_status = new_state;  in sr_raid6_set_chunk_state()
230 	sd->sd_set_vol_state(sd);  in sr_raid6_set_chunk_state()
232 	sd->sd_must_flush = 1;  in sr_raid6_set_chunk_state()
233 	task_add(systq, &sd->sd_meta_save_task);  in sr_raid6_set_chunk_state()
239 sr_raid6_set_vol_state(struct sr_discipline *sd)  in sr_raid6_set_vol_state()  argument
243 	int			old_state = sd->sd_vol_status;  in sr_raid6_set_vol_state()
248 	    DEVNAME(sd->sd_sc), sd->sd_meta->ssd_devname);  in sr_raid6_set_vol_state()
250 	nd = sd->sd_meta->ssdi.ssd_chunk_no;  in sr_raid6_set_vol_state()
256 		s = sd->sd_vol.sv_chunks[i]->src_meta.scm_status;  in sr_raid6_set_vol_state()
259 			    DEVNAME(sd->sd_sc),  in sr_raid6_set_vol_state()
260 			    sd->sd_meta->ssd_devname,  in sr_raid6_set_vol_state()
261 			    sd->sd_vol.sv_chunks[i]->src_meta.scmi.scm_devname);  in sr_raid6_set_vol_state()
279 			    sd->sd_vol.sv_chunks[i]->src_meta.scm_status);  in sr_raid6_set_vol_state()
284 	    DEVNAME(sd->sd_sc), sd->sd_meta->ssd_devname,  in sr_raid6_set_vol_state()
353 		    DEVNAME(sd->sd_sc), sd->sd_meta->ssd_devname,  in sr_raid6_set_vol_state()
358 	sd->sd_vol_status = new_state;  in sr_raid6_set_vol_state()
374 	struct sr_discipline	*sd = wu->swu_dis;  in sr_raid6_rw()  local
389 	strip_size = sd->sd_meta->ssdi.ssd_strip_size;  in sr_raid6_rw()
390 	strip_bits = sd->mds.mdd_raid6.sr6_strip_bits;  in sr_raid6_rw()
391 	no_chunk = sd->sd_meta->ssdi.ssd_chunk_no - 2;  in sr_raid6_rw()
399 		if ((wu_r = sr_scsi_wu_get(sd, SCSI_NOSLEEP)) == NULL){  in sr_raid6_rw()
400 			printf("%s: can't get wu_r", DEVNAME(sd->sd_sc));  in sr_raid6_rw()
442 			scp = sd->sd_vol.sv_chunks[i];  in sr_raid6_rw()
564 			qbuf = sr_block_get(sd, length);  in sr_raid6_rw()
568 			pbuf = sr_block_get(sd, length);  in sr_raid6_rw()
623 		TAILQ_INSERT_TAIL(&sd->sd_wu_defq, wu, swu_link);  in sr_raid6_rw()
636 		sr_scsi_wu_put(sd, wu_r);  in sr_raid6_rw()
644 	struct sr_discipline	*sd = wu->swu_dis;  in sr_failio()  local
651 	TAILQ_INSERT_TAIL(&sd->sd_wu_pendq, wu, swu_link);  in sr_failio()
662 	struct sr_discipline	*sd = wu->swu_dis;  in sr_raid6_intr()  local
667 	    DEVNAME(sd->sd_sc), bp, wu->swu_xs);  in sr_raid6_intr()
688 		sr_block_put(sd, ccb->ccb_buf.b_data, ccb->ccb_buf.b_bcount);  in sr_raid6_intr()
699 	struct sr_discipline	*sd = wu->swu_dis;  in sr_raid6_wu_done()  local
714 		    sd->sd_meta->ssd_devname, (long long)wu->swu_blk_start);  in sr_raid6_wu_done()
717 		if (sd->sd_scsi_rw(wu) == 0)  in sr_raid6_wu_done()
721 		    sd->sd_meta->ssd_devname, (long long)wu->swu_blk_start);  in sr_raid6_wu_done()
735 	struct sr_discipline	*sd = wu->swu_dis;  in sr_raid6_addio()  local
745 		data = sr_block_get(sd, len);  in sr_raid6_addio()
751 	ccb = sr_ccb_rw(sd, chunk, blkno, len, data, xsflags, ccbflags);  in sr_raid6_addio()
754 			sr_block_put(sd, data, len);  in sr_raid6_addio()