Lines Matching full:pdu
96 void *pdu; member
142 void *pdu; member
237 return req->pdu; in nvme_tcp_req_cmd_pdu()
242 /* use the pdu space in the back for the data pdu */ in nvme_tcp_req_data_pdu()
243 return req->pdu + sizeof(struct nvme_tcp_cmd_pdu) - in nvme_tcp_req_data_pdu()
434 void *pdu, size_t len) in nvme_tcp_hdgst() argument
438 sg_init_one(&sg, pdu, len); in nvme_tcp_hdgst()
439 ahash_request_set_crypt(hash, &sg, pdu + len, len); in nvme_tcp_hdgst()
444 void *pdu, size_t pdu_len) in nvme_tcp_verify_hdgst() argument
446 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_verify_hdgst()
457 recv_digest = *(__le32 *)(pdu + hdr->hlen); in nvme_tcp_verify_hdgst()
458 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
459 exp_digest = *(__le32 *)(pdu + hdr->hlen); in nvme_tcp_verify_hdgst()
470 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
472 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_check_ddgst()
495 page_frag_free(req->pdu); in nvme_tcp_exit_request()
504 struct nvme_tcp_cmd_pdu *pdu; in nvme_tcp_init_request() local
509 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
512 if (!req->pdu) in nvme_tcp_init_request()
515 pdu = req->pdu; in nvme_tcp_init_request()
518 nvme_req(rq)->cmd = &pdu->cmd; in nvme_tcp_init_request()
596 struct nvme_tcp_data_pdu *pdu) in nvme_tcp_handle_c2h_data() argument
600 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
604 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
615 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
617 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS && in nvme_tcp_handle_c2h_data()
618 unlikely(!(pdu->hdr.flags & NVME_TCP_F_DATA_LAST))) { in nvme_tcp_handle_c2h_data()
620 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
630 struct nvme_tcp_rsp_pdu *pdu) in nvme_tcp_handle_comp() argument
632 struct nvme_completion *cqe = &pdu->cqe; in nvme_tcp_handle_comp()
686 struct nvme_tcp_r2t_pdu *pdu) in nvme_tcp_handle_r2t() argument
690 u32 r2t_length = le32_to_cpu(pdu->r2t_length); in nvme_tcp_handle_r2t()
691 u32 r2t_offset = le32_to_cpu(pdu->r2t_offset); in nvme_tcp_handle_r2t()
693 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
697 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
726 req->ttag = pdu->ttag; in nvme_tcp_handle_r2t()
738 char *pdu = queue->pdu; in nvme_tcp_recv_pdu() local
743 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
754 hdr = queue->pdu; in nvme_tcp_recv_pdu()
756 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
763 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
770 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
773 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
776 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
779 "unsupported pdu type (%d)\n", hdr->type); in nvme_tcp_recv_pdu()
795 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data() local
797 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
851 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_data()
866 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst() local
884 pdu->command_id); in nvme_tcp_recv_ddgst()
895 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_ddgst()
897 pdu->command_id); in nvme_tcp_recv_ddgst()
1061 /* fully successful last send in current PDU */ in nvme_tcp_try_send_data()
1083 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_try_send_cmd_pdu() local
1088 int len = sizeof(*pdu) + hdgst - req->offset; in nvme_tcp_try_send_cmd_pdu()
1097 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1099 bvec_set_virt(&bvec, (void *)pdu + req->offset, len); in nvme_tcp_try_send_cmd_pdu()
1124 struct nvme_tcp_data_pdu *pdu = nvme_tcp_req_data_pdu(req); in nvme_tcp_try_send_data_pdu() local
1128 int len = sizeof(*pdu) - req->offset + hdgst; in nvme_tcp_try_send_data_pdu()
1132 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1137 bvec_set_virt(&bvec, (void *)pdu + req->offset, len); in nvme_tcp_try_send_data_pdu()
1326 page_frag_free(async->pdu); in nvme_tcp_free_async_req()
1335 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1338 if (!async->pdu) in nvme_tcp_alloc_async_req()
1370 kfree(queue->pdu); in nvme_tcp_free_queue()
1450 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1741 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1742 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1776 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1867 if (to_tcp_ctrl(ctrl)->async_req.pdu) { in nvme_tcp_free_admin_queue()
1870 to_tcp_ctrl(ctrl)->async_req.pdu = NULL; in nvme_tcp_free_admin_queue()
2393 struct nvme_tcp_cmd_pdu *pdu = ctrl->async_req.pdu; in nvme_tcp_submit_async_event() local
2394 struct nvme_command *cmd = &pdu->cmd; in nvme_tcp_submit_async_event()
2397 memset(pdu, 0, sizeof(*pdu)); in nvme_tcp_submit_async_event()
2398 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_submit_async_event()
2400 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_submit_async_event()
2401 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_submit_async_event()
2402 pdu->hdr.plen = cpu_to_le32(pdu->hdr.hlen + hdgst); in nvme_tcp_submit_async_event()
2430 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_timeout() local
2431 struct nvme_command *cmd = &pdu->cmd; in nvme_tcp_timeout()
2436 rq->tag, nvme_cid(rq), pdu->hdr.type, cmd->common.opcode, in nvme_tcp_timeout()
2469 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_map_data() local
2470 struct nvme_command *c = &pdu->cmd; in nvme_tcp_map_data()
2489 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_setup_cmd_pdu() local
2515 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_setup_cmd_pdu()
2516 pdu->hdr.flags = 0; in nvme_tcp_setup_cmd_pdu()
2518 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_setup_cmd_pdu()
2520 pdu->hdr.flags |= NVME_TCP_F_DDGST; in nvme_tcp_setup_cmd_pdu()
2523 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_setup_cmd_pdu()
2524 pdu->hdr.pdo = req->pdu_len ? pdu->hdr.hlen + hdgst : 0; in nvme_tcp_setup_cmd_pdu()
2525 pdu->hdr.plen = in nvme_tcp_setup_cmd_pdu()
2526 cpu_to_le32(pdu->hdr.hlen + hdgst + req->pdu_len + ddgst); in nvme_tcp_setup_cmd_pdu()