Lines Matching refs:pdu
105 void *pdu; member
152 void *pdu; member
275 return req->pdu; in nvme_tcp_req_cmd_pdu()
281 return req->pdu + sizeof(struct nvme_tcp_cmd_pdu) - in nvme_tcp_req_data_pdu()
484 static inline __le32 nvme_tcp_hdgst(const void *pdu, size_t len) in nvme_tcp_hdgst() argument
486 return cpu_to_le32(~crc32c(NVME_TCP_CRC_SEED, pdu, len)); in nvme_tcp_hdgst()
489 static inline void nvme_tcp_set_hdgst(void *pdu, size_t len) in nvme_tcp_set_hdgst() argument
491 *(__le32 *)(pdu + len) = nvme_tcp_hdgst(pdu, len); in nvme_tcp_set_hdgst()
495 void *pdu, size_t pdu_len) in nvme_tcp_verify_hdgst() argument
497 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_verify_hdgst()
508 recv_digest = *(__le32 *)(pdu + hdr->hlen); in nvme_tcp_verify_hdgst()
509 exp_digest = nvme_tcp_hdgst(pdu, pdu_len); in nvme_tcp_verify_hdgst()
520 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
522 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_check_ddgst()
545 page_frag_free(req->pdu); in nvme_tcp_exit_request()
554 struct nvme_tcp_cmd_pdu *pdu; in nvme_tcp_init_request() local
559 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
562 if (!req->pdu) in nvme_tcp_init_request()
565 pdu = req->pdu; in nvme_tcp_init_request()
568 nvme_req(rq)->cmd = &pdu->cmd; in nvme_tcp_init_request()
648 struct nvme_tcp_data_pdu *pdu) in nvme_tcp_handle_c2h_data() argument
652 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
656 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
667 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
669 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS && in nvme_tcp_handle_c2h_data()
670 unlikely(!(pdu->hdr.flags & NVME_TCP_F_DATA_LAST))) { in nvme_tcp_handle_c2h_data()
682 struct nvme_tcp_rsp_pdu *pdu) in nvme_tcp_handle_comp() argument
684 struct nvme_completion *cqe = &pdu->cqe; in nvme_tcp_handle_comp()
738 struct nvme_tcp_r2t_pdu *pdu) in nvme_tcp_handle_r2t() argument
742 u32 r2t_length = le32_to_cpu(pdu->r2t_length); in nvme_tcp_handle_r2t()
743 u32 r2t_offset = le32_to_cpu(pdu->r2t_offset); in nvme_tcp_handle_r2t()
745 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
749 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
786 req->ttag = pdu->ttag; in nvme_tcp_handle_r2t()
797 struct nvme_tcp_term_pdu *pdu) in nvme_tcp_handle_c2h_term() argument
801 u32 plen = le32_to_cpu(pdu->hdr.plen); in nvme_tcp_handle_c2h_term()
820 fes = le16_to_cpu(pdu->fes); in nvme_tcp_handle_c2h_term()
834 char *pdu = queue->pdu; in nvme_tcp_recv_pdu() local
839 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
850 hdr = queue->pdu; in nvme_tcp_recv_pdu()
866 nvme_tcp_handle_c2h_term(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
871 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
878 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
885 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
888 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
891 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
913 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data() local
915 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
969 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_data()
984 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst() local
1002 pdu->command_id); in nvme_tcp_recv_ddgst()
1013 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_ddgst()
1015 pdu->command_id); in nvme_tcp_recv_ddgst()
1201 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_try_send_cmd_pdu() local
1206 int len = sizeof(*pdu) + hdgst - req->offset; in nvme_tcp_try_send_cmd_pdu()
1215 nvme_tcp_set_hdgst(pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1217 bvec_set_virt(&bvec, (void *)pdu + req->offset, len); in nvme_tcp_try_send_cmd_pdu()
1242 struct nvme_tcp_data_pdu *pdu = nvme_tcp_req_data_pdu(req); in nvme_tcp_try_send_data_pdu() local
1246 int len = sizeof(*pdu) - req->offset + hdgst; in nvme_tcp_try_send_data_pdu()
1250 nvme_tcp_set_hdgst(pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1255 bvec_set_virt(&bvec, (void *)pdu + req->offset, len); in nvme_tcp_try_send_data_pdu()
1414 page_frag_free(async->pdu); in nvme_tcp_free_async_req()
1423 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1426 if (!async->pdu) in nvme_tcp_alloc_async_req()
1450 kfree(queue->pdu); in nvme_tcp_free_queue()
1863 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1864 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1898 kfree(queue->pdu); in nvme_tcp_alloc_queue()
2017 if (to_tcp_ctrl(ctrl)->async_req.pdu) { in nvme_tcp_free_admin_queue()
2020 to_tcp_ctrl(ctrl)->async_req.pdu = NULL; in nvme_tcp_free_admin_queue()
2598 struct nvme_tcp_cmd_pdu *pdu = ctrl->async_req.pdu; in nvme_tcp_submit_async_event() local
2599 struct nvme_command *cmd = &pdu->cmd; in nvme_tcp_submit_async_event()
2602 memset(pdu, 0, sizeof(*pdu)); in nvme_tcp_submit_async_event()
2603 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_submit_async_event()
2605 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_submit_async_event()
2606 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_submit_async_event()
2607 pdu->hdr.plen = cpu_to_le32(pdu->hdr.hlen + hdgst); in nvme_tcp_submit_async_event()
2637 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_timeout() local
2638 struct nvme_command *cmd = &pdu->cmd; in nvme_tcp_timeout()
2643 rq->tag, nvme_cid(rq), pdu->hdr.type, cmd->common.opcode, in nvme_tcp_timeout()
2676 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_map_data() local
2677 struct nvme_command *c = &pdu->cmd; in nvme_tcp_map_data()
2696 struct nvme_tcp_cmd_pdu *pdu = nvme_tcp_req_cmd_pdu(req); in nvme_tcp_setup_cmd_pdu() local
2722 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_setup_cmd_pdu()
2723 pdu->hdr.flags = 0; in nvme_tcp_setup_cmd_pdu()
2725 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_setup_cmd_pdu()
2727 pdu->hdr.flags |= NVME_TCP_F_DDGST; in nvme_tcp_setup_cmd_pdu()
2730 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_setup_cmd_pdu()
2731 pdu->hdr.pdo = req->pdu_len ? pdu->hdr.hlen + hdgst : 0; in nvme_tcp_setup_cmd_pdu()
2732 pdu->hdr.plen = in nvme_tcp_setup_cmd_pdu()
2733 cpu_to_le32(pdu->hdr.hlen + hdgst + req->pdu_len + ddgst); in nvme_tcp_setup_cmd_pdu()