Signed-off-by: Bernard Metzler <bmt@xxxxxxxxxxxxxx> --- drivers/infiniband/sw/siw/siw_debug.c | 124 ++++++++++++++++++++++++++ drivers/infiniband/sw/siw/siw_debug.h | 69 ++++++++++++++ 2 files changed, 193 insertions(+) create mode 100644 drivers/infiniband/sw/siw/siw_debug.c create mode 100644 drivers/infiniband/sw/siw/siw_debug.h diff --git a/drivers/infiniband/sw/siw/siw_debug.c b/drivers/infiniband/sw/siw/siw_debug.c new file mode 100644 index 000000000000..a0c0c67378c9 --- /dev/null +++ b/drivers/infiniband/sw/siw/siw_debug.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause +/* + * Software iWARP device driver + * + * Authors: Bernard Metzler <bmt@xxxxxxxxxxxxxx> + * + * Copyright (c) 2008-2018, IBM Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of IBM nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/types.h> +#include <linux/printk.h> + +#include "siw.h" + +void siw_print_hdr(union iwarp_hdr *hdr, int qp_id, char *string) +{ + enum rdma_opcode op = __rdmap_opcode(&hdr->ctrl); + u16 mpa_len = be16_to_cpu(hdr->ctrl.mpa_len); + + switch (op) { + + case RDMAP_RDMA_WRITE: + pr_info("siw: [QP %d]: %s(WRITE, DDP len %d): %08x %016llx\n", + qp_id, string, ddp_data_len(op, mpa_len), + hdr->rwrite.sink_stag, hdr->rwrite.sink_to); + break; + + case RDMAP_RDMA_READ_REQ: + pr_info("siw: [QP %d]: %s(RREQ, DDP len %d): %08x %08x %08x %08x %016llx %08x %08x %016llx\n", + qp_id, string, + ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->rreq.ddp_qn), + be32_to_cpu(hdr->rreq.ddp_msn), + be32_to_cpu(hdr->rreq.ddp_mo), + be32_to_cpu(hdr->rreq.sink_stag), + be64_to_cpu(hdr->rreq.sink_to), + be32_to_cpu(hdr->rreq.read_size), + be32_to_cpu(hdr->rreq.source_stag), + be64_to_cpu(hdr->rreq.source_to)); + + break; + + case RDMAP_RDMA_READ_RESP: + pr_info("siw: [QP %d]: %s(RRESP, DDP len %d): %08x %016llx\n", + qp_id, string, ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->rresp.sink_stag), + be64_to_cpu(hdr->rresp.sink_to)); + break; + + case RDMAP_SEND: + pr_info("siw: [QP %d]: %s(SEND, DDP len %d): %08x %08x %08x\n", + qp_id, string, ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->send.ddp_qn), + be32_to_cpu(hdr->send.ddp_msn), + be32_to_cpu(hdr->send.ddp_mo)); + break; + + case RDMAP_SEND_INVAL: + pr_info("siw: [QP %d]: %s(S_INV, DDP len %d): %08x %08x %08x %08x\n", + qp_id, string, ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->send_inv.inval_stag), + be32_to_cpu(hdr->send_inv.ddp_qn), + be32_to_cpu(hdr->send_inv.ddp_msn), + be32_to_cpu(hdr->send_inv.ddp_mo)); + break; + + case RDMAP_SEND_SE: + pr_info("siw: [QP %d]: %s(S_SE, DDP len %d): %08x %08x %08x\n", + qp_id, string, ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->send.ddp_qn), + be32_to_cpu(hdr->send.ddp_msn), + be32_to_cpu(hdr->send.ddp_mo)); + break; + + case RDMAP_SEND_SE_INVAL: + pr_info("siw: [QP %d]: %s(S_SE_INV, DDP len %d): %08x %08x %08x %08x\n", + qp_id, string, ddp_data_len(op, mpa_len), + be32_to_cpu(hdr->send_inv.inval_stag), + be32_to_cpu(hdr->send_inv.ddp_qn), + be32_to_cpu(hdr->send_inv.ddp_msn), + be32_to_cpu(hdr->send_inv.ddp_mo)); + break; + + case RDMAP_TERMINATE: + pr_info("siw: [QP %d]: %s(TERM, DDP len %d):\n", qp_id, string, + ddp_data_len(op, mpa_len)); + break; + + default: + pr_info("siw: [QP %d]: %s (undefined opcode %d)", qp_id, string, + op); + break; + } +} diff --git a/drivers/infiniband/sw/siw/siw_debug.h b/drivers/infiniband/sw/siw/siw_debug.h new file mode 100644 index 000000000000..662dfb275b75 --- /dev/null +++ b/drivers/infiniband/sw/siw/siw_debug.h @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause +/* + * Software iWARP device driver + * + * Authors: Bernard Metzler <bmt@xxxxxxxxxxxxxx> + * + * + * Copyright (c) 2008-2018, IBM Corporation + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of IBM nor the names of its contributors may be + * used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _SIW_DEBUG_H +#define _SIW_DEBUG_H + +extern void siw_print_hdr(union iwarp_hdr *hdr, int id, char *msg); + +#define siw_dbg(ddev, fmt, ...) \ + dev_dbg(&(ddev)->base_dev.dev, "cpu%2d %s: " fmt, smp_processor_id(),\ + __func__, ##__VA_ARGS__) + +#define siw_dbg_qp(qp, fmt, ...) \ + siw_dbg(qp->hdr.sdev, "[QP %d]: " fmt, QP_ID(qp), ##__VA_ARGS__) + +#define siw_dbg_cep(cep, fmt, ...) \ + siw_dbg(cep->sdev, "[CEP 0x%p]: " fmt, cep, ##__VA_ARGS__) + +#define siw_dbg_obj(obj, fmt, ...) \ + siw_dbg(obj->hdr.sdev, "[OBJ ID %d]: " fmt, obj->hdr.id, ##__VA_ARGS__) + +#ifdef DEBUG_HDR + +#define siw_dprint_hdr(hdr, qpn, msg) siw_print_hdr(hdr, qpn, msg) + +#else + +#define siw_dprint_hdr(hdr, qpn, msg) do { } while (0) + +#endif + +#endif -- 2.17.2