Lines Matching refs:shadow
180 struct blk_shadow shadow[BLK_MAX_RING_SIZE]; member
270 rinfo->shadow_free = rinfo->shadow[free].req.u.rw.id; in get_id_from_freelist()
271 rinfo->shadow[free].req.u.rw.id = 0x0fffffee; /* debug */ in get_id_from_freelist()
278 if (rinfo->shadow[id].req.u.rw.id != id) in add_id_to_freelist()
280 if (rinfo->shadow[id].request == NULL) in add_id_to_freelist()
282 rinfo->shadow[id].req.u.rw.id = rinfo->shadow_free; in add_id_to_freelist()
283 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_WAITING; in blkif_ring_get_request()
536 rinfo->shadow[id].associated_id = NO_ASSOCIATED_ID; in blkif_ring_get_request()
562 rinfo->shadow[id].req = *ring_req; in blkif_queue_discard_req()
600 struct blk_shadow *shadow = &rinfo->shadow[setup->id]; in blkif_setup_rw_req_grant() local
619 shadow->indirect_grants[n] = gnt_list_entry; in blkif_setup_rw_req_grant()
630 shadow->grants_used[setup->grant_idx] = gnt_list_entry; in blkif_setup_rw_req_grant()
741 num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg); in blkif_queue_rw_req()
744 for_each_sg(rinfo->shadow[id].sg, sg, num_sg, i) in blkif_queue_rw_req()
751 rinfo->shadow[id].num_sg = num_sg; in blkif_queue_rw_req()
795 rinfo->shadow[extra_id].num_sg = 0; in blkif_queue_rw_req()
800 rinfo->shadow[extra_id].associated_id = id; in blkif_queue_rw_req()
801 rinfo->shadow[id].associated_id = extra_id; in blkif_queue_rw_req()
812 for_each_sg(rinfo->shadow[id].sg, sg, num_sg, i) { in blkif_queue_rw_req()
833 rinfo->shadow[id].req = *ring_req; in blkif_queue_rw_req()
835 rinfo->shadow[extra_id].req = *extra_ring_req; in blkif_queue_rw_req()
1284 if (!rinfo->shadow[i].request) in blkif_free_ring()
1287 segs = rinfo->shadow[i].req.operation == BLKIF_OP_INDIRECT ? in blkif_free_ring()
1288 rinfo->shadow[i].req.u.indirect.nr_segments : in blkif_free_ring()
1289 rinfo->shadow[i].req.u.rw.nr_segments; in blkif_free_ring()
1291 persistent_gnt = rinfo->shadow[i].grants_used[j]; in blkif_free_ring()
1298 if (rinfo->shadow[i].req.operation != BLKIF_OP_INDIRECT) in blkif_free_ring()
1306 persistent_gnt = rinfo->shadow[i].indirect_grants[j]; in blkif_free_ring()
1313 kvfree(rinfo->shadow[i].grants_used); in blkif_free_ring()
1314 rinfo->shadow[i].grants_used = NULL; in blkif_free_ring()
1315 kvfree(rinfo->shadow[i].indirect_grants); in blkif_free_ring()
1316 rinfo->shadow[i].indirect_grants = NULL; in blkif_free_ring()
1317 kvfree(rinfo->shadow[i].sg); in blkif_free_ring()
1318 rinfo->shadow[i].sg = NULL; in blkif_free_ring()
1426 struct blk_shadow *s = &rinfo->shadow[*id]; in blkif_completion()
1436 struct blk_shadow *s2 = &rinfo->shadow[s->associated_id]; in blkif_completion()
1581 req = rinfo->shadow[id].request; in blkif_interrupt()
1624 rinfo->shadow[id].req.u.rw.nr_segments == 0)) { in blkif_interrupt()
1879 rinfo->shadow[j].req.u.rw.id = j + 1; in talk_to_blkback()
1880 rinfo->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff; in talk_to_blkback()
2085 struct blk_shadow *shadow = rinfo->shadow; in blkfront_resume() local
2089 if (!shadow[j].request) in blkfront_resume()
2095 if (req_op(shadow[j].request) == REQ_OP_FLUSH || in blkfront_resume()
2096 req_op(shadow[j].request) == REQ_OP_DISCARD || in blkfront_resume()
2097 req_op(shadow[j].request) == REQ_OP_SECURE_ERASE || in blkfront_resume()
2098 shadow[j].request->cmd_flags & REQ_FUA) { in blkfront_resume()
2106 list_add(&shadow[j].request->queuelist, &info->requests); in blkfront_resume()
2109 merge_bio.head = shadow[j].request->bio; in blkfront_resume()
2110 merge_bio.tail = shadow[j].request->biotail; in blkfront_resume()
2112 shadow[j].request->bio = NULL; in blkfront_resume()
2113 blk_mq_end_request(shadow[j].request, BLK_STS_OK); in blkfront_resume()
2234 rinfo->shadow[i].grants_used = in blkfront_setup_indirect()
2236 sizeof(rinfo->shadow[i].grants_used[0]), in blkfront_setup_indirect()
2238 rinfo->shadow[i].sg = kvcalloc(psegs, in blkfront_setup_indirect()
2239 sizeof(rinfo->shadow[i].sg[0]), in blkfront_setup_indirect()
2242 rinfo->shadow[i].indirect_grants = in blkfront_setup_indirect()
2244 sizeof(rinfo->shadow[i].indirect_grants[0]), in blkfront_setup_indirect()
2246 if ((rinfo->shadow[i].grants_used == NULL) || in blkfront_setup_indirect()
2247 (rinfo->shadow[i].sg == NULL) || in blkfront_setup_indirect()
2249 (rinfo->shadow[i].indirect_grants == NULL))) in blkfront_setup_indirect()
2251 sg_init_table(rinfo->shadow[i].sg, psegs); in blkfront_setup_indirect()
2259 kvfree(rinfo->shadow[i].grants_used); in blkfront_setup_indirect()
2260 rinfo->shadow[i].grants_used = NULL; in blkfront_setup_indirect()
2261 kvfree(rinfo->shadow[i].sg); in blkfront_setup_indirect()
2262 rinfo->shadow[i].sg = NULL; in blkfront_setup_indirect()
2263 kvfree(rinfo->shadow[i].indirect_grants); in blkfront_setup_indirect()
2264 rinfo->shadow[i].indirect_grants = NULL; in blkfront_setup_indirect()