Lines Matching full:shadow
185 struct blk_shadow shadow[]; member
283 rinfo->shadow_free = rinfo->shadow[free].req.u.rw.id; in get_id_from_freelist()
284 rinfo->shadow[free].req.u.rw.id = 0x0fffffee; /* debug */ in get_id_from_freelist()
291 if (rinfo->shadow[id].req.u.rw.id != id) in add_id_to_freelist()
293 if (rinfo->shadow[id].request == NULL) in add_id_to_freelist()
295 rinfo->shadow[id].req.u.rw.id = rinfo->shadow_free; in add_id_to_freelist()
296 rinfo->shadow[id].request = NULL; in add_id_to_freelist()
534 rinfo->shadow[id].request = req; in blkif_ring_get_request()
535 rinfo->shadow[id].status = REQ_PROCESSING; in blkif_ring_get_request()
536 rinfo->shadow[id].associated_id = NO_ASSOCIATED_ID; in blkif_ring_get_request()
538 rinfo->shadow[id].req.u.rw.id = id; in blkif_ring_get_request()
551 ring_req = &rinfo->shadow[id].req; in blkif_queue_discard_req()
564 rinfo->shadow[id].status = REQ_WAITING; in blkif_queue_discard_req()
597 * We always use the shadow of the first request to store the list in blkif_setup_rw_req_grant()
602 struct blk_shadow *shadow = &rinfo->shadow[setup->id]; in blkif_setup_rw_req_grant() local
621 shadow->indirect_grants[n] = gnt_list_entry; in blkif_setup_rw_req_grant()
629 * All the grants are stored in the shadow of the first in blkif_setup_rw_req_grant()
632 shadow->grants_used[setup->grant_idx] = gnt_list_entry; in blkif_setup_rw_req_grant()
743 ring_req = &rinfo->shadow[id].req; in blkif_queue_rw_req()
745 num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg); in blkif_queue_rw_req()
748 for_each_sg(rinfo->shadow[id].sg, sg, num_sg, i) in blkif_queue_rw_req()
755 rinfo->shadow[id].num_sg = num_sg; in blkif_queue_rw_req()
795 extra_ring_req = &rinfo->shadow[extra_id].req; in blkif_queue_rw_req()
801 rinfo->shadow[extra_id].num_sg = 0; in blkif_queue_rw_req()
806 rinfo->shadow[extra_id].associated_id = id; in blkif_queue_rw_req()
807 rinfo->shadow[id].associated_id = extra_id; in blkif_queue_rw_req()
818 for_each_sg(rinfo->shadow[id].sg, sg, num_sg, i) { in blkif_queue_rw_req()
840 rinfo->shadow[id].status = REQ_WAITING; in blkif_queue_rw_req()
843 rinfo->shadow[extra_id].status = REQ_WAITING; in blkif_queue_rw_req()
1243 if (!rinfo->shadow[i].request) in blkif_free_ring()
1246 segs = rinfo->shadow[i].req.operation == BLKIF_OP_INDIRECT ? in blkif_free_ring()
1247 rinfo->shadow[i].req.u.indirect.nr_segments : in blkif_free_ring()
1248 rinfo->shadow[i].req.u.rw.nr_segments; in blkif_free_ring()
1250 persistent_gnt = rinfo->shadow[i].grants_used[j]; in blkif_free_ring()
1257 if (rinfo->shadow[i].req.operation != BLKIF_OP_INDIRECT) in blkif_free_ring()
1265 persistent_gnt = rinfo->shadow[i].indirect_grants[j]; in blkif_free_ring()
1272 kvfree(rinfo->shadow[i].grants_used); in blkif_free_ring()
1273 rinfo->shadow[i].grants_used = NULL; in blkif_free_ring()
1274 kvfree(rinfo->shadow[i].indirect_grants); in blkif_free_ring()
1275 rinfo->shadow[i].indirect_grants = NULL; in blkif_free_ring()
1276 kvfree(rinfo->shadow[i].sg); in blkif_free_ring()
1277 rinfo->shadow[i].sg = NULL; in blkif_free_ring()
1385 struct blk_shadow *s = &rinfo->shadow[*id]; in blkif_completion()
1395 struct blk_shadow *s2 = &rinfo->shadow[s->associated_id]; in blkif_completion()
1397 /* Keep the status of the current response in shadow. */ in blkif_completion()
1408 * All the grants is stored in the first shadow in order in blkif_completion()
1545 if (rinfo->shadow[id].status != REQ_WAITING) { in blkif_interrupt()
1551 rinfo->shadow[id].status = REQ_PROCESSING; in blkif_interrupt()
1552 req = rinfo->shadow[id].request; in blkif_interrupt()
1554 op = rinfo->shadow[id].req.operation; in blkif_interrupt()
1556 op = rinfo->shadow[id].req.u.indirect.indirect_op; in blkif_interrupt()
1605 rinfo->shadow[id].req.u.rw.nr_segments == 0)) { in blkif_interrupt()
1862 rinfo->shadow[j].req.u.rw.id = j + 1; in talk_to_blkback()
1863 rinfo->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff; in talk_to_blkback()
1894 info->rinfo_size = struct_size(info->rinfo, shadow, in negotiate_mq()
2064 struct blk_shadow *shadow = rinfo->shadow; in blkfront_resume() local
2068 if (!shadow[j].request) in blkfront_resume()
2074 if (req_op(shadow[j].request) == REQ_OP_FLUSH || in blkfront_resume()
2075 req_op(shadow[j].request) == REQ_OP_DISCARD || in blkfront_resume()
2076 req_op(shadow[j].request) == REQ_OP_SECURE_ERASE || in blkfront_resume()
2077 shadow[j].request->cmd_flags & REQ_FUA) { in blkfront_resume()
2085 list_add(&shadow[j].request->queuelist, &info->requests); in blkfront_resume()
2088 merge_bio.head = shadow[j].request->bio; in blkfront_resume()
2089 merge_bio.tail = shadow[j].request->biotail; in blkfront_resume()
2091 shadow[j].request->bio = NULL; in blkfront_resume()
2092 blk_mq_end_request(shadow[j].request, BLK_STS_OK); in blkfront_resume()
2196 rinfo->shadow[i].grants_used = in blkfront_setup_indirect()
2198 sizeof(rinfo->shadow[i].grants_used[0]), in blkfront_setup_indirect()
2200 rinfo->shadow[i].sg = kvcalloc(psegs, in blkfront_setup_indirect()
2201 sizeof(rinfo->shadow[i].sg[0]), in blkfront_setup_indirect()
2204 rinfo->shadow[i].indirect_grants = in blkfront_setup_indirect()
2206 sizeof(rinfo->shadow[i].indirect_grants[0]), in blkfront_setup_indirect()
2208 if ((rinfo->shadow[i].grants_used == NULL) || in blkfront_setup_indirect()
2209 (rinfo->shadow[i].sg == NULL) || in blkfront_setup_indirect()
2211 (rinfo->shadow[i].indirect_grants == NULL))) in blkfront_setup_indirect()
2213 sg_init_table(rinfo->shadow[i].sg, psegs); in blkfront_setup_indirect()
2222 kvfree(rinfo->shadow[i].grants_used); in blkfront_setup_indirect()
2223 rinfo->shadow[i].grants_used = NULL; in blkfront_setup_indirect()
2224 kvfree(rinfo->shadow[i].sg); in blkfront_setup_indirect()
2225 rinfo->shadow[i].sg = NULL; in blkfront_setup_indirect()
2226 kvfree(rinfo->shadow[i].indirect_grants); in blkfront_setup_indirect()
2227 rinfo->shadow[i].indirect_grants = NULL; in blkfront_setup_indirect()