Following the removal of iw_cxgb3 module from kerne remove also the corresponding rdma-core provider code. https://lore.kernel.org/r/20190930074252.20133-1-bharat@xxxxxxxxxxx Signed-off-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx> --- CMakeLists.txt | 1 - kernel-headers/CMakeLists.txt | 2 - kernel-headers/rdma/cxgb3-abi.h | 82 --- kernel-headers/rdma/rdma_user_ioctl_cmds.h | 1 - providers/cxgb3/CMakeLists.txt | 6 - providers/cxgb3/cq.c | 442 ------------ providers/cxgb3/cxio_wr.h | 758 --------------------- providers/cxgb3/firmware_exports.h | 148 ---- providers/cxgb3/iwch-abi.h | 51 -- providers/cxgb3/iwch.c | 269 -------- providers/cxgb3/iwch.h | 218 ------ providers/cxgb3/qp.c | 560 --------------- providers/cxgb3/verbs.c | 476 ------------- 13 files changed, 3014 deletions(-) delete mode 100644 kernel-headers/rdma/cxgb3-abi.h delete mode 100644 providers/cxgb3/CMakeLists.txt delete mode 100644 providers/cxgb3/cq.c delete mode 100644 providers/cxgb3/cxio_wr.h delete mode 100644 providers/cxgb3/firmware_exports.h delete mode 100644 providers/cxgb3/iwch-abi.h delete mode 100644 providers/cxgb3/iwch.c delete mode 100644 providers/cxgb3/iwch.h delete mode 100644 providers/cxgb3/qp.c delete mode 100644 providers/cxgb3/verbs.c diff --git a/CMakeLists.txt b/CMakeLists.txt index fc17ef36..cdc8d544 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -616,7 +616,6 @@ add_subdirectory(librdmacm/man) # Providers if (HAVE_COHERENT_DMA) add_subdirectory(providers/bnxt_re) -add_subdirectory(providers/cxgb3) # NO SPARSE add_subdirectory(providers/cxgb4) # NO SPARSE add_subdirectory(providers/efa) add_subdirectory(providers/efa/man) diff --git a/kernel-headers/CMakeLists.txt b/kernel-headers/CMakeLists.txt index 50bc77e6..b3139b74 100644 --- a/kernel-headers/CMakeLists.txt +++ b/kernel-headers/CMakeLists.txt @@ -1,6 +1,5 @@ publish_internal_headers(rdma rdma/bnxt_re-abi.h - rdma/cxgb3-abi.h rdma/cxgb4-abi.h rdma/efa-abi.h rdma/hns-abi.h @@ -59,7 +58,6 @@ endfunction() # Transform the kernel ABIs used by the providers rdma_kernel_provider_abi( rdma/bnxt_re-abi.h - rdma/cxgb3-abi.h rdma/cxgb4-abi.h rdma/efa-abi.h rdma/hns-abi.h diff --git a/kernel-headers/rdma/cxgb3-abi.h b/kernel-headers/rdma/cxgb3-abi.h deleted file mode 100644 index 85aed672..00000000 --- a/kernel-headers/rdma/cxgb3-abi.h +++ /dev/null @@ -1,82 +0,0 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ -/* - * Copyright (c) 2006 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 CXGB3_ABI_USER_H -#define CXGB3_ABI_USER_H - -#include <linux/types.h> - -#define IWCH_UVERBS_ABI_VERSION 1 - -/* - * Make sure that all structs defined in this file remain laid out so - * that they pack the same way on 32-bit and 64-bit architectures (to - * avoid incompatibility between 32-bit userspace and 64-bit kernels). - * In particular do not use pointer types -- pass pointers in __aligned_u64 - * instead. - */ -struct iwch_create_cq_req { - __aligned_u64 user_rptr_addr; -}; - -struct iwch_create_cq_resp_v0 { - __aligned_u64 key; - __u32 cqid; - __u32 size_log2; -}; - -struct iwch_create_cq_resp { - __aligned_u64 key; - __u32 cqid; - __u32 size_log2; - __u32 memsize; - __u32 reserved; -}; - -struct iwch_create_qp_resp { - __aligned_u64 key; - __aligned_u64 db_key; - __u32 qpid; - __u32 size_log2; - __u32 sq_size_log2; - __u32 rq_size_log2; -}; - -struct iwch_reg_user_mr_resp { - __u32 pbl_addr; -}; - -struct iwch_alloc_pd_resp { - __u32 pdid; -}; - -#endif /* CXGB3_ABI_USER_H */ diff --git a/kernel-headers/rdma/rdma_user_ioctl_cmds.h b/kernel-headers/rdma/rdma_user_ioctl_cmds.h index b8bb285f..b2680051 100644 --- a/kernel-headers/rdma/rdma_user_ioctl_cmds.h +++ b/kernel-headers/rdma/rdma_user_ioctl_cmds.h @@ -88,7 +88,6 @@ enum rdma_driver_id { RDMA_DRIVER_UNKNOWN, RDMA_DRIVER_MLX5, RDMA_DRIVER_MLX4, - RDMA_DRIVER_CXGB3, RDMA_DRIVER_CXGB4, RDMA_DRIVER_MTHCA, RDMA_DRIVER_BNXT_RE, diff --git a/providers/cxgb3/CMakeLists.txt b/providers/cxgb3/CMakeLists.txt deleted file mode 100644 index a578105e..00000000 --- a/providers/cxgb3/CMakeLists.txt +++ /dev/null @@ -1,6 +0,0 @@ -rdma_provider(cxgb3 - cq.c - iwch.c - qp.c - verbs.c -) diff --git a/providers/cxgb3/cq.c b/providers/cxgb3/cq.c deleted file mode 100644 index 6cb4fe74..00000000 --- a/providers/cxgb3/cq.c +++ /dev/null @@ -1,442 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 <config.h> - -#include <stdio.h> -#include <pthread.h> -#include <sys/errno.h> - -#include <infiniband/opcode.h> - -#include "iwch.h" -#include "iwch-abi.h" - -int iwch_arm_cq(struct ibv_cq *ibcq, int solicited) -{ - int ret; - struct iwch_cq *chp = to_iwch_cq(ibcq); - - pthread_spin_lock(&chp->lock); - ret = ibv_cmd_req_notify_cq(ibcq, solicited); - pthread_spin_unlock(&chp->lock); - - return ret; -} - -static inline void flush_completed_wrs(struct t3_wq *wq, struct t3_cq *cq) -{ - struct t3_swsq *sqp; - uint32_t ptr = wq->sq_rptr; - int count = Q_COUNT(wq->sq_rptr, wq->sq_wptr); - - sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); - while (count--) { - if (!sqp->signaled) { - ptr++; - sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); - } else if (sqp->complete) { - - /* - * Insert this completed cqe into the swcq. - */ - sqp->cqe.header |= htobe32(V_CQE_SWCQE(1)); - *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2)) - = sqp->cqe; - cq->sw_wptr++; - sqp->signaled = 0; - break; - } else - break; - } -} - -static inline void create_read_req_cqe(struct t3_wq *wq, - struct t3_cqe *hw_cqe, - struct t3_cqe *read_cqe) -{ - CQE_WRID_SQ_WPTR(*read_cqe) = wq->oldest_read->sq_wptr; - read_cqe->len = wq->oldest_read->read_len; - read_cqe->header = htobe32(V_CQE_QPID(CQE_QPID(*hw_cqe)) | - V_CQE_SWCQE(SW_CQE(*hw_cqe)) | - V_CQE_OPCODE(T3_READ_REQ) | - V_CQE_TYPE(1)); -} - -/* - * Return a ptr to the next read wr in the SWSQ or NULL. - */ -static inline void advance_oldest_read(struct t3_wq *wq) -{ - - uint32_t rptr = wq->oldest_read - wq->sq + 1; - uint32_t wptr = Q_PTR2IDX(wq->sq_wptr, wq->sq_size_log2); - - while (Q_PTR2IDX(rptr, wq->sq_size_log2) != wptr) { - wq->oldest_read = wq->sq + Q_PTR2IDX(rptr, wq->sq_size_log2); - - if (wq->oldest_read->opcode == T3_READ_REQ) { - return; - } - rptr++; - } - wq->oldest_read = NULL; -} - -static inline int cxio_poll_cq(struct t3_wq *wq, struct t3_cq *cq, - struct t3_cqe *cqe, uint8_t *cqe_flushed, - uint64_t *cookie) -{ - int ret = 0; - struct t3_cqe *hw_cqe, read_cqe; - - *cqe_flushed = 0; - hw_cqe = cxio_next_cqe(cq); - udma_from_device_barrier(); - - /* - * Skip cqes not affiliated with a QP. - */ - if (wq == NULL) { - ret = -1; - goto skip_cqe; - } - - /* - * Gotta tweak READ completions: - * 1) the cqe doesn't contain the sq_wptr from the wr. - * 2) opcode not reflected from the wr. - * 3) read_len not reflected from the wr. - * 4) cq_type is RQ_TYPE not SQ_TYPE. - */ - if (CQE_OPCODE(*hw_cqe) == T3_READ_RESP) { - - /* - * If this is an unsolicited read response to local stag 1, - * then the read was generated by the kernel driver as part - * of peer-2-peer connection setup. So ignore the completion. - */ - if (CQE_WRID_STAG(*hw_cqe) == 1) { - if (CQE_STATUS(*hw_cqe)) - wq->error = 1; - ret = -1; - goto skip_cqe; - } - - /* - * Don't write to the HWCQ, so create a new read req CQE - * in local memory. - */ - create_read_req_cqe(wq, hw_cqe, &read_cqe); - hw_cqe = &read_cqe; - advance_oldest_read(wq); - } - - /* - * Errors. - */ - if (CQE_STATUS(*hw_cqe) || t3_wq_in_error(wq)) { - *cqe_flushed = t3_wq_in_error(wq); - t3_set_wq_in_error(wq); - goto proc_cqe; - } - - /* - * RECV completion. - */ - if (RQ_TYPE(*hw_cqe)) { - - /* - * HW only validates 4 bits of MSN. So we must validate that - * the MSN in the SEND is the next expected MSN. If its not, - * then we complete this with TPT_ERR_MSN and mark the wq in - * error. - */ - if ((CQE_WRID_MSN(*hw_cqe) != (wq->rq_rptr + 1))) { - t3_set_wq_in_error(wq); - hw_cqe->header |= htobe32(V_CQE_STATUS(TPT_ERR_MSN)); - } - goto proc_cqe; - } - - /* - * If we get here its a send completion. - * - * Handle out of order completion. These get stuffed - * in the SW SQ. Then the SW SQ is walked to move any - * now in-order completions into the SW CQ. This handles - * 2 cases: - * 1) reaping unsignaled WRs when the first subsequent - * signaled WR is completed. - * 2) out of order read completions. - */ - if (!SW_CQE(*hw_cqe) && (CQE_WRID_SQ_WPTR(*hw_cqe) != wq->sq_rptr)) { - struct t3_swsq *sqp; - - sqp = wq->sq + - Q_PTR2IDX(CQE_WRID_SQ_WPTR(*hw_cqe), wq->sq_size_log2); - sqp->cqe = *hw_cqe; - sqp->complete = 1; - ret = -1; - goto flush_wq; - } - -proc_cqe: - *cqe = *hw_cqe; - - /* - * Reap the associated WR(s) that are freed up with this - * completion. - */ - if (SQ_TYPE(*hw_cqe)) { - wq->sq_rptr = CQE_WRID_SQ_WPTR(*hw_cqe); - *cookie = (wq->sq + - Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2))->wr_id; - wq->sq_rptr++; - } else { - *cookie = *(wq->rq + Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2)); - wq->rq_rptr++; - } - -flush_wq: - /* - * Flush any completed cqes that are now in-order. - */ - flush_completed_wrs(wq, cq); - -skip_cqe: - if (SW_CQE(*hw_cqe)) { - PDBG("%s cq %p cqid 0x%x skip sw cqe sw_rptr 0x%x\n", - __FUNCTION__, cq, cq->cqid, cq->sw_rptr); - ++cq->sw_rptr; - } else { - PDBG("%s cq %p cqid 0x%x skip hw cqe sw_rptr 0x%x\n", - __FUNCTION__, cq, cq->cqid, cq->rptr); - ++cq->rptr; - } - - return ret; -} - -/* - * Get one cq entry from cxio and map it to openib. - * - * Returns: - * 0 EMPTY; - * 1 cqe returned - * -EAGAIN caller must try again - * any other -errno fatal error - */ -static int iwch_poll_cq_one(struct iwch_device *rhp, struct iwch_cq *chp, - struct ibv_wc *wc) -{ - struct iwch_qp *qhp = NULL; - struct t3_cqe cqe, *hw_cqe; - struct t3_wq *wq; - uint8_t cqe_flushed; - uint64_t cookie; - int ret = 1; - - hw_cqe = cxio_next_cqe(&chp->cq); - udma_from_device_barrier(); - - if (!hw_cqe) - return 0; - - qhp = rhp->qpid2ptr[CQE_QPID(*hw_cqe)]; - if (!qhp) - wq = NULL; - else { - pthread_spin_lock(&qhp->lock); - wq = &(qhp->wq); - } - ret = cxio_poll_cq(wq, &(chp->cq), &cqe, &cqe_flushed, &cookie); - if (ret) { - ret = -EAGAIN; - goto out; - } - ret = 1; - - wc->wr_id = cookie; - wc->qp_num = qhp->wq.qpid; - wc->vendor_err = CQE_STATUS(cqe); - wc->wc_flags = 0; - - PDBG("%s qpid 0x%x type %d opcode %d status 0x%x wrid hi 0x%x " - "lo 0x%x cookie 0x%" PRIx64 "\n", - __FUNCTION__, CQE_QPID(cqe), CQE_TYPE(cqe), - CQE_OPCODE(cqe), CQE_STATUS(cqe), CQE_WRID_HI(cqe), - CQE_WRID_LOW(cqe), cookie); - - if (CQE_TYPE(cqe) == 0) { - if (!CQE_STATUS(cqe)) - wc->byte_len = CQE_LEN(cqe); - else - wc->byte_len = 0; - wc->opcode = IBV_WC_RECV; - } else { - switch (CQE_OPCODE(cqe)) { - case T3_RDMA_WRITE: - wc->opcode = IBV_WC_RDMA_WRITE; - break; - case T3_READ_REQ: - wc->opcode = IBV_WC_RDMA_READ; - wc->byte_len = CQE_LEN(cqe); - break; - case T3_SEND: - case T3_SEND_WITH_SE: - wc->opcode = IBV_WC_SEND; - break; - case T3_BIND_MW: - wc->opcode = IBV_WC_BIND_MW; - break; - - /* these aren't supported yet */ - case T3_SEND_WITH_INV: - case T3_SEND_WITH_SE_INV: - case T3_LOCAL_INV: - case T3_FAST_REGISTER: - default: - PDBG("%s Unexpected opcode %d CQID 0x%x QPID 0x%x\n", - __FUNCTION__, CQE_OPCODE(cqe), chp->cq.cqid, - CQE_QPID(cqe)); - ret = -EINVAL; - goto out; - } - } - - if (cqe_flushed) { - wc->status = IBV_WC_WR_FLUSH_ERR; - } else { - - switch (CQE_STATUS(cqe)) { - case TPT_ERR_SUCCESS: - wc->status = IBV_WC_SUCCESS; - break; - case TPT_ERR_STAG: - wc->status = IBV_WC_LOC_ACCESS_ERR; - break; - case TPT_ERR_PDID: - wc->status = IBV_WC_LOC_PROT_ERR; - break; - case TPT_ERR_QPID: - case TPT_ERR_ACCESS: - wc->status = IBV_WC_LOC_ACCESS_ERR; - break; - case TPT_ERR_WRAP: - wc->status = IBV_WC_GENERAL_ERR; - break; - case TPT_ERR_BOUND: - wc->status = IBV_WC_LOC_LEN_ERR; - break; - case TPT_ERR_INVALIDATE_SHARED_MR: - case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND: - wc->status = IBV_WC_MW_BIND_ERR; - break; - case TPT_ERR_CRC: - case TPT_ERR_MARKER: - case TPT_ERR_PDU_LEN_ERR: - case TPT_ERR_OUT_OF_RQE: - case TPT_ERR_DDP_VERSION: - case TPT_ERR_RDMA_VERSION: - case TPT_ERR_DDP_QUEUE_NUM: - case TPT_ERR_MSN: - case TPT_ERR_TBIT: - case TPT_ERR_MO: - case TPT_ERR_MSN_RANGE: - case TPT_ERR_IRD_OVERFLOW: - case TPT_ERR_OPCODE: - wc->status = IBV_WC_FATAL_ERR; - break; - case TPT_ERR_SWFLUSH: - wc->status = IBV_WC_WR_FLUSH_ERR; - break; - default: - PDBG("%s Unexpected status 0x%x CQID 0x%x QPID 0x%0x\n", - __FUNCTION__, CQE_STATUS(cqe), chp->cq.cqid, - CQE_QPID(cqe)); - ret = -EINVAL; - } - } -out: - if (wq) - pthread_spin_unlock(&qhp->lock); - return ret; -} - -int t3b_poll_cq(struct ibv_cq *ibcq, int num_entries, struct ibv_wc *wc) -{ - struct iwch_device *rhp; - struct iwch_cq *chp; - int npolled; - int err = 0; - - chp = to_iwch_cq(ibcq); - rhp = chp->rhp; - - if (rhp->abi_version > 0 && t3_cq_in_error(&chp->cq)) { - t3_reset_cq_in_error(&chp->cq); - iwch_flush_qps(rhp); - } - - pthread_spin_lock(&chp->lock); - for (npolled = 0; npolled < num_entries; ++npolled) { - - /* - * Because T3 can post CQEs that are out of order, - * we might have to poll again after removing - * one of these. - */ - do { - err = iwch_poll_cq_one(rhp, chp, wc + npolled); - } while (err == -EAGAIN); - if (err <= 0) - break; - } - pthread_spin_unlock(&chp->lock); - - if (err < 0) - return err; - else { - return npolled; - } -} - -int t3a_poll_cq(struct ibv_cq *ibcq, int num_entries, struct ibv_wc *wc) -{ - int ret; - struct iwch_cq *chp = to_iwch_cq(ibcq); - - pthread_spin_lock(&chp->lock); - ret = ibv_cmd_poll_cq(ibcq, num_entries, wc); - pthread_spin_unlock(&chp->lock); - return ret; -} diff --git a/providers/cxgb3/cxio_wr.h b/providers/cxgb3/cxio_wr.h deleted file mode 100644 index 042bd941..00000000 --- a/providers/cxgb3/cxio_wr.h +++ /dev/null @@ -1,758 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 __CXIO_WR_H__ -#define __CXIO_WR_H__ - -#include <stddef.h> -#include <stdint.h> -#include <endian.h> -#include <util/udma_barrier.h> -#include "firmware_exports.h" - -#define T3_MAX_NUM_QP (1<<15) -#define T3_MAX_NUM_CQ (1<<15) -#define T3_MAX_NUM_PD (1<<15) -#define T3_MAX_NUM_STAG (1<<15) -#define T3_MAX_SGE 4 -#define T3_MAX_INLINE 64 - -#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr)) -#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \ - ((rptr)!=(wptr)) ) -#define Q_GENBIT(ptr,size_log2) (!(((ptr)>>size_log2)&0x1)) -#define Q_FREECNT(rptr,wptr,size_log2) ((1UL<<size_log2)-((wptr)-(rptr))) -#define Q_COUNT(rptr,wptr) ((wptr)-(rptr)) -#define Q_PTR2IDX(ptr,size_log2) (ptr & ((1UL<<size_log2)-1)) - -/* FIXME: Move me to a generic PCI mmio accessor */ -#define cpu_to_pci32(val) htole32(val) - -#define RING_DOORBELL(doorbell, QPID) { \ - *doorbell = cpu_to_pci32(QPID); \ -} - -#define SEQ32_GE(x,y) (!( (((uint32_t) (x)) - ((uint32_t) (y))) & 0x80000000 )) - -enum t3_wr_flags { - T3_COMPLETION_FLAG = 0x01, - T3_NOTIFY_FLAG = 0x02, - T3_SOLICITED_EVENT_FLAG = 0x04, - T3_READ_FENCE_FLAG = 0x08, - T3_LOCAL_FENCE_FLAG = 0x10 -} __attribute__ ((packed)); - -enum t3_wr_opcode { - T3_WR_BP = FW_WROPCODE_RI_BYPASS, - T3_WR_SEND = FW_WROPCODE_RI_SEND, - T3_WR_WRITE = FW_WROPCODE_RI_RDMA_WRITE, - T3_WR_READ = FW_WROPCODE_RI_RDMA_READ, - T3_WR_INV_STAG = FW_WROPCODE_RI_LOCAL_INV, - T3_WR_BIND = FW_WROPCODE_RI_BIND_MW, - T3_WR_RCV = FW_WROPCODE_RI_RECEIVE, - T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT, - T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP -} __attribute__ ((packed)); - -enum t3_rdma_opcode { - T3_RDMA_WRITE, /* IETF RDMAP v1.0 ... */ - T3_READ_REQ, - T3_READ_RESP, - T3_SEND, - T3_SEND_WITH_INV, - T3_SEND_WITH_SE, - T3_SEND_WITH_SE_INV, - T3_TERMINATE, - T3_RDMA_INIT, /* CHELSIO RI specific ... */ - T3_BIND_MW, - T3_FAST_REGISTER, - T3_LOCAL_INV, - T3_QP_MOD, - T3_BYPASS -} __attribute__ ((packed)); - -static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop) -{ - switch (wrop) { - case T3_WR_BP: return T3_BYPASS; - case T3_WR_SEND: return T3_SEND; - case T3_WR_WRITE: return T3_RDMA_WRITE; - case T3_WR_READ: return T3_READ_REQ; - case T3_WR_INV_STAG: return T3_LOCAL_INV; - case T3_WR_BIND: return T3_BIND_MW; - case T3_WR_INIT: return T3_RDMA_INIT; - case T3_WR_QP_MOD: return T3_QP_MOD; - default: break; - } - return -1; -} - - -/* Work request id */ -union t3_wrid { - struct { - uint32_t hi:32; - uint32_t low:32; - } id0; - uint64_t id1; -}; - -#define WRID(wrid) (wrid.id1) -#define WRID_GEN(wrid) (wrid.id0.wr_gen) -#define WRID_IDX(wrid) (wrid.id0.wr_idx) -#define WRID_LO(wrid) (wrid.id0.wr_lo) - -struct fw_riwrh { - uint32_t op_seop_flags; - uint32_t gen_tid_len; -}; - -#define S_FW_RIWR_OP 24 -#define M_FW_RIWR_OP 0xff -#define V_FW_RIWR_OP(x) ((x) << S_FW_RIWR_OP) -#define G_FW_RIWR_OP(x) ((((x) >> S_FW_RIWR_OP)) & M_FW_RIWR_OP) - -#define S_FW_RIWR_SOPEOP 22 -#define M_FW_RIWR_SOPEOP 0x3 -#define V_FW_RIWR_SOPEOP(x) ((x) << S_FW_RIWR_SOPEOP) - -#define S_FW_RIWR_FLAGS 8 -#define M_FW_RIWR_FLAGS 0x3fffff -#define V_FW_RIWR_FLAGS(x) ((x) << S_FW_RIWR_FLAGS) -#define G_FW_RIWR_FLAGS(x) ((((x) >> S_FW_RIWR_FLAGS)) & M_FW_RIWR_FLAGS) - -#define S_FW_RIWR_TID 8 -#define V_FW_RIWR_TID(x) ((x) << S_FW_RIWR_TID) - -#define S_FW_RIWR_LEN 0 -#define V_FW_RIWR_LEN(x) ((x) << S_FW_RIWR_LEN) - -#define S_FW_RIWR_GEN 31 -#define V_FW_RIWR_GEN(x) ((x) << S_FW_RIWR_GEN) - -struct t3_sge { - uint32_t stag; - uint32_t len; - uint64_t to; -}; - -/* If num_sgle is zero, flit 5+ contains immediate data.*/ -struct t3_send_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - - enum t3_rdma_opcode rdmaop:8; - uint32_t reserved:24; /* 2 */ - uint32_t rem_stag; /* 2 */ - uint32_t plen; /* 3 */ - uint32_t num_sgle; - struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */ -}; - -struct t3_local_inv_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - uint32_t stag; /* 2 */ - uint32_t reserved3; -}; - -struct t3_rdma_write_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - enum t3_rdma_opcode rdmaop:8; /* 2 */ - uint32_t reserved:24; /* 2 */ - uint32_t stag_sink; - uint64_t to_sink; /* 3 */ - uint32_t plen; /* 4 */ - uint32_t num_sgle; - struct t3_sge sgl[T3_MAX_SGE]; /* 5+ */ -}; - -struct t3_rdma_read_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - enum t3_rdma_opcode rdmaop:8; /* 2 */ - uint32_t reserved:24; - uint32_t rem_stag; - uint64_t rem_to; /* 3 */ - uint32_t local_stag; /* 4 */ - uint32_t local_len; - uint64_t local_to; /* 5 */ -}; - -enum t3_addr_type { - T3_VA_BASED_TO = 0x0, - T3_ZERO_BASED_TO = 0x1 -} __attribute__ ((packed)); - -enum t3_mem_perms { - T3_MEM_ACCESS_LOCAL_READ = 0x1, - T3_MEM_ACCESS_LOCAL_WRITE = 0x2, - T3_MEM_ACCESS_REM_READ = 0x4, - T3_MEM_ACCESS_REM_WRITE = 0x8 -} __attribute__ ((packed)); - -struct t3_bind_mw_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - uint32_t reserved:16; - enum t3_addr_type type:8; - enum t3_mem_perms perms:8; /* 2 */ - uint32_t mr_stag; - uint32_t mw_stag; /* 3 */ - uint32_t mw_len; - uint64_t mw_va; /* 4 */ - uint32_t mr_pbl_addr; /* 5 */ - uint32_t reserved2:24; - uint32_t mr_pagesz:8; -}; - -struct t3_receive_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - uint8_t pagesz[T3_MAX_SGE]; - uint32_t num_sgle; /* 2 */ - struct t3_sge sgl[T3_MAX_SGE]; /* 3+ */ - uint32_t pbl_addr[T3_MAX_SGE]; -}; - -struct t3_bypass_wr { - struct fw_riwrh wrh; - union t3_wrid wrid; /* 1 */ -}; - -struct t3_modify_qp_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - uint32_t flags; /* 2 */ - uint32_t quiesce; /* 2 */ - uint32_t max_ird; /* 3 */ - uint32_t max_ord; /* 3 */ - uint64_t sge_cmd; /* 4 */ - uint64_t ctx1; /* 5 */ - uint64_t ctx0; /* 6 */ -}; - -enum t3_modify_qp_flags { - MODQP_QUIESCE = 0x01, - MODQP_MAX_IRD = 0x02, - MODQP_MAX_ORD = 0x04, - MODQP_WRITE_EC = 0x08, - MODQP_READ_EC = 0x10, -}; - - -enum t3_mpa_attrs { - uP_RI_MPA_RX_MARKER_ENABLE = 0x1, - uP_RI_MPA_TX_MARKER_ENABLE = 0x2, - uP_RI_MPA_CRC_ENABLE = 0x4, - uP_RI_MPA_IETF_ENABLE = 0x8 -} __attribute__ ((packed)); - -enum t3_qp_caps { - uP_RI_QP_RDMA_READ_ENABLE = 0x01, - uP_RI_QP_RDMA_WRITE_ENABLE = 0x02, - uP_RI_QP_BIND_ENABLE = 0x04, - uP_RI_QP_FAST_REGISTER_ENABLE = 0x08, - uP_RI_QP_STAG0_ENABLE = 0x10 -} __attribute__ ((packed)); - -struct t3_rdma_init_attr { - uint32_t tid; - uint32_t qpid; - uint32_t pdid; - uint32_t scqid; - uint32_t rcqid; - uint32_t rq_addr; - uint32_t rq_size; - enum t3_mpa_attrs mpaattrs; - enum t3_qp_caps qpcaps; - uint16_t tcp_emss; - uint32_t ord; - uint32_t ird; - uint64_t qp_dma_addr; - uint32_t qp_dma_size; - uint8_t rqes_posted; -}; - -struct t3_rdma_init_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - uint32_t qpid; /* 2 */ - uint32_t pdid; - uint32_t scqid; /* 3 */ - uint32_t rcqid; - uint32_t rq_addr; /* 4 */ - uint32_t rq_size; - enum t3_mpa_attrs mpaattrs:8; /* 5 */ - enum t3_qp_caps qpcaps:8; - uint32_t ulpdu_size:16; - uint32_t rqes_posted; /* bits 31-1 - reservered */ - /* bit 0 - set if RECV posted */ - uint32_t ord; /* 6 */ - uint32_t ird; - uint64_t qp_dma_addr; /* 7 */ - uint32_t qp_dma_size; /* 8 */ - uint32_t rsvd; -}; - -union t3_wr { - struct t3_send_wr send; - struct t3_rdma_write_wr write; - struct t3_rdma_read_wr read; - struct t3_receive_wr recv; - struct t3_local_inv_wr local_inv; - struct t3_bind_mw_wr bind; - struct t3_bypass_wr bypass; - struct t3_rdma_init_wr init; - struct t3_modify_qp_wr qp_mod; - uint64_t flit[16]; -}; - -#define T3_SQ_CQE_FLIT 13 -#define T3_SQ_COOKIE_FLIT 14 - -#define T3_RQ_COOKIE_FLIT 13 -#define T3_RQ_CQE_FLIT 14 - -static inline void build_fw_riwrh(struct fw_riwrh *wqe, enum t3_wr_opcode op, - enum t3_wr_flags flags, uint8_t genbit, - uint32_t tid, uint8_t len) -{ - wqe->op_seop_flags = htobe32(V_FW_RIWR_OP(op) | - V_FW_RIWR_SOPEOP(M_FW_RIWR_SOPEOP) | - V_FW_RIWR_FLAGS(flags)); - udma_to_device_barrier(); - wqe->gen_tid_len = htobe32(V_FW_RIWR_GEN(genbit) | V_FW_RIWR_TID(tid) | - V_FW_RIWR_LEN(len)); - /* 2nd gen bit... */ - ((union t3_wr *)wqe)->flit[15] = htobe64(genbit); -} - -/* - * T3 ULP2_TX commands - */ -enum t3_utx_mem_op { - T3_UTX_MEM_READ = 2, - T3_UTX_MEM_WRITE = 3 -}; - -/* T3 MC7 RDMA TPT entry format */ - -enum tpt_mem_type { - TPT_NON_SHARED_MR = 0x0, - TPT_SHARED_MR = 0x1, - TPT_MW = 0x2, - TPT_MW_RELAXED_PROTECTION = 0x3 -}; - -enum tpt_addr_type { - TPT_ZBTO = 0, - TPT_VATO = 1 -}; - -enum tpt_mem_perm { - TPT_LOCAL_READ = 0x8, - TPT_LOCAL_WRITE = 0x4, - TPT_REMOTE_READ = 0x2, - TPT_REMOTE_WRITE = 0x1 -}; - -struct tpt_entry { - uint32_t valid_stag_pdid; - uint32_t flags_pagesize_qpid; - - uint32_t rsvd_pbl_addr; - uint32_t len; - uint32_t va_hi; - uint32_t va_low_or_fbo; - - uint32_t rsvd_bind_cnt_or_pstag; - uint32_t rsvd_pbl_size; -}; - -#define S_TPT_VALID 31 -#define V_TPT_VALID(x) ((x) << S_TPT_VALID) -#define F_TPT_VALID V_TPT_VALID(1U) - -#define S_TPT_STAG_KEY 23 -#define M_TPT_STAG_KEY 0xFF -#define V_TPT_STAG_KEY(x) ((x) << S_TPT_STAG_KEY) -#define G_TPT_STAG_KEY(x) (((x) >> S_TPT_STAG_KEY) & M_TPT_STAG_KEY) - -#define S_TPT_STAG_STATE 22 -#define V_TPT_STAG_STATE(x) ((x) << S_TPT_STAG_STATE) -#define F_TPT_STAG_STATE V_TPT_STAG_STATE(1U) - -#define S_TPT_STAG_TYPE 20 -#define M_TPT_STAG_TYPE 0x3 -#define V_TPT_STAG_TYPE(x) ((x) << S_TPT_STAG_TYPE) -#define G_TPT_STAG_TYPE(x) (((x) >> S_TPT_STAG_TYPE) & M_TPT_STAG_TYPE) - -#define S_TPT_PDID 0 -#define M_TPT_PDID 0xFFFFF -#define V_TPT_PDID(x) ((x) << S_TPT_PDID) -#define G_TPT_PDID(x) (((x) >> S_TPT_PDID) & M_TPT_PDID) - -#define S_TPT_PERM 28 -#define M_TPT_PERM 0xF -#define V_TPT_PERM(x) ((x) << S_TPT_PERM) -#define G_TPT_PERM(x) (((x) >> S_TPT_PERM) & M_TPT_PERM) - -#define S_TPT_REM_INV_DIS 27 -#define V_TPT_REM_INV_DIS(x) ((x) << S_TPT_REM_INV_DIS) -#define F_TPT_REM_INV_DIS V_TPT_REM_INV_DIS(1U) - -#define S_TPT_ADDR_TYPE 26 -#define V_TPT_ADDR_TYPE(x) ((x) << S_TPT_ADDR_TYPE) -#define F_TPT_ADDR_TYPE V_TPT_ADDR_TYPE(1U) - -#define S_TPT_MW_BIND_ENABLE 25 -#define V_TPT_MW_BIND_ENABLE(x) ((x) << S_TPT_MW_BIND_ENABLE) -#define F_TPT_MW_BIND_ENABLE V_TPT_MW_BIND_ENABLE(1U) - -#define S_TPT_PAGE_SIZE 20 -#define M_TPT_PAGE_SIZE 0x1F -#define V_TPT_PAGE_SIZE(x) ((x) << S_TPT_PAGE_SIZE) -#define G_TPT_PAGE_SIZE(x) (((x) >> S_TPT_PAGE_SIZE) & M_TPT_PAGE_SIZE) - -#define S_TPT_PBL_ADDR 0 -#define M_TPT_PBL_ADDR 0x1FFFFFFF -#define V_TPT_PBL_ADDR(x) ((x) << S_TPT_PBL_ADDR) -#define G_TPT_PBL_ADDR(x) (((x) >> S_TPT_PBL_ADDR) & M_TPT_PBL_ADDR) - -#define S_TPT_QPID 0 -#define M_TPT_QPID 0xFFFFF -#define V_TPT_QPID(x) ((x) << S_TPT_QPID) -#define G_TPT_QPID(x) (((x) >> S_TPT_QPID) & M_TPT_QPID) - -#define S_TPT_PSTAG 0 -#define M_TPT_PSTAG 0xFFFFFF -#define V_TPT_PSTAG(x) ((x) << S_TPT_PSTAG) -#define G_TPT_PSTAG(x) (((x) >> S_TPT_PSTAG) & M_TPT_PSTAG) - -#define S_TPT_PBL_SIZE 0 -#define M_TPT_PBL_SIZE 0xFFFFF -#define V_TPT_PBL_SIZE(x) ((x) << S_TPT_PBL_SIZE) -#define G_TPT_PBL_SIZE(x) (((x) >> S_TPT_PBL_SIZE) & M_TPT_PBL_SIZE) - -/* - * CQE defs - */ -struct t3_cqe { - uint32_t header:32; - uint32_t len:32; - uint32_t wrid_hi_stag:32; - uint32_t wrid_low_msn:32; -}; - -#define S_CQE_OOO 31 -#define M_CQE_OOO 0x1 -#define G_CQE_OOO(x) ((((x) >> S_CQE_OOO)) & M_CQE_OOO) -#define V_CEQ_OOO(x) ((x)<<S_CQE_OOO) - -#define S_CQE_QPID 12 -#define M_CQE_QPID 0x7FFFF -#define G_CQE_QPID(x) ((((x) >> S_CQE_QPID)) & M_CQE_QPID) -#define V_CQE_QPID(x) ((x)<<S_CQE_QPID) - -#define S_CQE_SWCQE 11 -#define M_CQE_SWCQE 0x1 -#define G_CQE_SWCQE(x) ((((x) >> S_CQE_SWCQE)) & M_CQE_SWCQE) -#define V_CQE_SWCQE(x) ((x)<<S_CQE_SWCQE) - -#define S_CQE_GENBIT 10 -#define M_CQE_GENBIT 0x1 -#define G_CQE_GENBIT(x) (((x) >> S_CQE_GENBIT) & M_CQE_GENBIT) -#define V_CQE_GENBIT(x) ((x)<<S_CQE_GENBIT) - -#define S_CQE_STATUS 5 -#define M_CQE_STATUS 0x1F -#define G_CQE_STATUS(x) ((((x) >> S_CQE_STATUS)) & M_CQE_STATUS) -#define V_CQE_STATUS(x) ((x)<<S_CQE_STATUS) - -#define S_CQE_TYPE 4 -#define M_CQE_TYPE 0x1 -#define G_CQE_TYPE(x) ((((x) >> S_CQE_TYPE)) & M_CQE_TYPE) -#define V_CQE_TYPE(x) ((x)<<S_CQE_TYPE) - -#define S_CQE_OPCODE 0 -#define M_CQE_OPCODE 0xF -#define G_CQE_OPCODE(x) ((((x) >> S_CQE_OPCODE)) & M_CQE_OPCODE) -#define V_CQE_OPCODE(x) ((x)<<S_CQE_OPCODE) - -#define SW_CQE(x) (G_CQE_SWCQE(be32toh((x).header))) -#define CQE_OOO(x) (G_CQE_OOO(be32toh((x).header))) -#define CQE_QPID(x) (G_CQE_QPID(be32toh((x).header))) -#define CQE_GENBIT(x) (G_CQE_GENBIT(be32toh((x).header))) -#define CQE_TYPE(x) (G_CQE_TYPE(be32toh((x).header))) -#define SQ_TYPE(x) (CQE_TYPE((x))) -#define RQ_TYPE(x) (!CQE_TYPE((x))) -#define CQE_STATUS(x) (G_CQE_STATUS(be32toh((x).header))) -#define CQE_OPCODE(x) (G_CQE_OPCODE(be32toh((x).header))) - -#define CQE_LEN(x) (be32toh((x).len)) - -#define CQE_WRID_HI(x) (be32toh((x).wrid_hi_stag)) -#define CQE_WRID_LOW(x) (be32toh((x).wrid_low_msn)) - -/* used for RQ completion processing */ -#define CQE_WRID_STAG(x) (be32toh((x).wrid_hi_stag)) -#define CQE_WRID_MSN(x) (be32toh((x).wrid_low_msn)) - -/* used for SQ completion processing */ -#define CQE_WRID_SQ_WPTR(x) ((x).wrid_hi_stag) -#define CQE_WRID_WPTR(x) ((x).wrid_low_msn) - -#define TPT_ERR_SUCCESS 0x0 -#define TPT_ERR_STAG 0x1 /* STAG invalid: either the */ - /* STAG is offlimt, being 0, */ - /* or STAG_key mismatch */ -#define TPT_ERR_PDID 0x2 /* PDID mismatch */ -#define TPT_ERR_QPID 0x3 /* QPID mismatch */ -#define TPT_ERR_ACCESS 0x4 /* Invalid access right */ -#define TPT_ERR_WRAP 0x5 /* Wrap error */ -#define TPT_ERR_BOUND 0x6 /* base and bounds voilation */ -#define TPT_ERR_INVALIDATE_SHARED_MR 0x7 /* attempt to invalidate a */ - /* shared memory region */ -#define TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND 0x8 /* attempt to invalidate a */ - /* shared memory region */ -#define TPT_ERR_ECC 0x9 /* ECC error detected */ -#define TPT_ERR_ECC_PSTAG 0xA /* ECC error detected when */ - /* reading PSTAG for a MW */ - /* Invalidate */ -#define TPT_ERR_PBL_ADDR_BOUND 0xB /* pbl addr out of bounds: */ - /* software error */ -#define TPT_ERR_SWFLUSH 0xC /* SW FLUSHED */ -#define TPT_ERR_CRC 0x10 /* CRC error */ -#define TPT_ERR_MARKER 0x11 /* Marker error */ -#define TPT_ERR_PDU_LEN_ERR 0x12 /* invalid PDU length */ -#define TPT_ERR_OUT_OF_RQE 0x13 /* out of RQE */ -#define TPT_ERR_DDP_VERSION 0x14 /* wrong DDP version */ -#define TPT_ERR_RDMA_VERSION 0x15 /* wrong RDMA version */ -#define TPT_ERR_OPCODE 0x16 /* invalid rdma opcode */ -#define TPT_ERR_DDP_QUEUE_NUM 0x17 /* invalid ddp queue number */ -#define TPT_ERR_MSN 0x18 /* MSN error */ -#define TPT_ERR_TBIT 0x19 /* tag bit not set correctly */ -#define TPT_ERR_MO 0x1A /* MO not 0 for TERMINATE */ - /* or READ_REQ */ -#define TPT_ERR_MSN_GAP 0x1B -#define TPT_ERR_MSN_RANGE 0x1C -#define TPT_ERR_IRD_OVERFLOW 0x1D -#define TPT_ERR_RQE_ADDR_BOUND 0x1E /* RQE addr out of bounds: */ - /* software error */ -#define TPT_ERR_INTERNAL_ERR 0x1F /* internal error (opcode */ - /* mismatch) */ - -struct t3_swsq { - uint64_t wr_id; - struct t3_cqe cqe; - uint32_t sq_wptr; - uint32_t read_len; - int opcode; - int complete; - int signaled; -}; - -/* - * A T3 WQ implements both the SQ and RQ. - */ -struct t3_wq { - union t3_wr *queue; /* DMA Mapped work queue */ - uint32_t error; /* 1 once we go to ERROR */ - uint32_t qpid; - uint32_t wptr; /* idx to next available WR slot */ - uint32_t size_log2; /* total wq size */ - struct t3_swsq *sq; /* SW SQ */ - struct t3_swsq *oldest_read; /* tracks oldest pending read */ - uint32_t sq_wptr; /* sq_wptr - sq_rptr == count of */ - uint32_t sq_rptr; /* pending wrs */ - uint32_t sq_size_log2; /* sq size */ - uint64_t *rq; /* SW RQ (holds consumer wr_ids) */ - uint32_t rq_wptr; /* rq_wptr - rq_rptr == count of */ - uint32_t rq_rptr; /* pending wrs */ - uint32_t rq_size_log2; /* rq size */ - volatile uint32_t *doorbell; /* mapped adapter doorbell register */ - int flushed; -}; - -struct t3_cq { - uint32_t cqid; - uint32_t rptr; - uint32_t wptr; - uint32_t size_log2; - struct t3_cqe *queue; - struct t3_cqe *sw_queue; - uint32_t sw_rptr; - uint32_t sw_wptr; - uint32_t memsize; -}; - -static inline unsigned t3_wq_depth(struct t3_wq *wq) -{ - return (1UL<<wq->size_log2); -} - -static inline unsigned t3_sq_depth(struct t3_wq *wq) -{ - return (1UL<<wq->sq_size_log2); -} - -static inline unsigned t3_rq_depth(struct t3_wq *wq) -{ - return (1UL<<wq->rq_size_log2); -} - -static inline unsigned t3_cq_depth(struct t3_cq *cq) -{ - return (1UL<<cq->size_log2); -} - -extern unsigned long iwch_page_size; -extern unsigned long iwch_page_shift; -extern unsigned long iwch_page_mask; - -#define PAGE_ALIGN(x) (((x) + iwch_page_mask) & ~iwch_page_mask) - -static inline unsigned t3_wq_memsize(struct t3_wq *wq) -{ - return PAGE_ALIGN((1UL<<wq->size_log2) * sizeof (union t3_wr)); -} - -static inline unsigned t3_cq_memsize(struct t3_cq *cq) -{ - return cq->memsize; -} - -static inline unsigned t3_mmid(uint32_t stag) -{ - return (stag>>8); -} - -struct t3_cq_status_page { - uint32_t cq_err; -}; - -static inline int t3_cq_in_error(struct t3_cq *cq) -{ - return ((struct t3_cq_status_page *) - &cq->queue[1 << cq->size_log2])->cq_err; -} - -static inline void t3_set_cq_in_error(struct t3_cq *cq) -{ - ((struct t3_cq_status_page *) - &cq->queue[1 << cq->size_log2])->cq_err = 1; -} - -static inline void t3_reset_cq_in_error(struct t3_cq *cq) -{ - ((struct t3_cq_status_page *) - &cq->queue[1 << cq->size_log2])->cq_err = 0; -} - -static inline int t3_wq_in_error(struct t3_wq *wq) -{ - /* - * The kernel sets bit 0 in the first WR of the WQ memory - * when the QP moves out of RTS... - */ - return (wq->queue->flit[13] & 1); -} - -static inline void t3_set_wq_in_error(struct t3_wq *wq) -{ - wq->queue->flit[13] |= 1; -} - -static inline int t3_wq_db_enabled(struct t3_wq *wq) -{ - return !(wq->queue->flit[13] & 2); -} - -#define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \ - CQE_GENBIT(*cqe)) - -static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2)); - if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe)) - return cqe; - return NULL; -} - -static inline struct t3_cqe *cxio_next_sw_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2)); - return cqe; - } - return NULL; -} - -static inline struct t3_cqe *cxio_next_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2)); - return cqe; - } - cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2)); - if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe)) - return cqe; - return NULL; -} - -/* - * Return a ptr to the next read wr in the SWSQ or NULL. - */ -static inline struct t3_swsq *next_read_wr(struct t3_wq *wq) -{ - uint32_t rptr = wq->oldest_read - wq->sq + 1; - int count = Q_COUNT(rptr, wq->sq_wptr); - struct t3_swsq *sqp; - - while (count--) { - sqp = wq->sq + Q_PTR2IDX(rptr, wq->sq_size_log2); - - if (sqp->opcode == T3_READ_REQ) - return sqp; - - rptr++; - } - return NULL; -} -#endif diff --git a/providers/cxgb3/firmware_exports.h b/providers/cxgb3/firmware_exports.h deleted file mode 100644 index 831140a4..00000000 --- a/providers/cxgb3/firmware_exports.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2004-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 _FIRMWARE_EXPORTS_H_ -#define _FIRMWARE_EXPORTS_H_ - -/* WR OPCODES supported by the firmware. - */ -#define FW_WROPCODE_FORWARD 0x01 -#define FW_WROPCODE_BYPASS 0x05 - -#define FW_WROPCODE_TUNNEL_TX_PKT 0x03 - -#define FW_WROPOCDE_ULPTX_DATA_SGL 0x00 -#define FW_WROPCODE_ULPTX_MEM_READ 0x02 -#define FW_WROPCODE_ULPTX_PKT 0x04 -#define FW_WROPCODE_ULPTX_INVALIDATE 0x06 - -#define FW_WROPCODE_TUNNEL_RX_PKT 0x07 - -#define FW_WROPCODE_TOE_GETTCB_RPL 0x08 -#define FW_WROPCODE_TOE_CLOSE_CON 0x09 -#define FW_WROPCODE_TOE_TP_ABORT_CON_REQ 0x0A -#define FW_WROPCODE_TOE_HOST_ABORT_CON_RPL 0x0F -#define FW_WROPCODE_TOE_HOST_ABORT_CON_REQ 0x0B -#define FW_WROPCODE_TOE_TP_ABORT_CON_RPL 0x0C -#define FW_WROPCODE_TOE_TX_DATA 0x0D -#define FW_WROPCODE_TOE_TX_DATA_ACK 0x0E - -#define FW_WROPCODE_RI_RDMA_INIT 0x10 -#define FW_WROPCODE_RI_RDMA_WRITE 0x11 -#define FW_WROPCODE_RI_RDMA_READ_REQ 0x12 -#define FW_WROPCODE_RI_RDMA_READ_RESP 0x13 -#define FW_WROPCODE_RI_SEND 0x14 -#define FW_WROPCODE_RI_TERMINATE 0x15 -#define FW_WROPCODE_RI_RDMA_READ 0x16 -#define FW_WROPCODE_RI_RECEIVE 0x17 -#define FW_WROPCODE_RI_BIND_MW 0x18 -#define FW_WROPCODE_RI_FASTREGISTER_MR 0x19 -#define FW_WROPCODE_RI_LOCAL_INV 0x1A -#define FW_WROPCODE_RI_MODIFY_QP 0x1B -#define FW_WROPCODE_RI_BYPASS 0x1C - -#define FW_WROPOCDE_RSVD 0x1E - -#define FW_WROPCODE_SGE_EGRESSCONTEXT_RR 0x1F - -#define FW_WROPCODE_MNGT 0x1D -#define FW_MNGTOPCODE_PKTSCHED_SET 0x00 - -/* Maximum size of a WR sent from the host, limited by the SGE. - * - * Note: WR coming from ULP or TP are only limited by CIM. - */ -#define FW_WR_SIZE 128 - -/* Maximum number of outstanding WRs sent from the host. Value must be - * programmed in the CTRL/TUNNEL/QP SGE Egress Context and used by TOM to - * limit the number of WRs per connection. - */ -#ifndef N3 -# define FW_WR_NUM 16 -#else -# define FW_WR_NUM 7 -#endif - -/* FW_TUNNEL_NUM corresponds to the number of supported TUNNEL Queues. These - * queues must start at SGE Egress Context FW_TUNNEL_SGEEC_START and must - * start at 'TID' (or 'uP Token') FW_TUNNEL_TID_START. - * - * Ingress Traffic (e.g. DMA completion credit) for TUNNEL Queue[i] is sent - * to RESP Queue[i]. - */ -#define FW_TUNNEL_NUM 8 -#define FW_TUNNEL_SGEEC_START 8 -#define FW_TUNNEL_TID_START 65544 - - -/* FW_CTRL_NUM corresponds to the number of supported CTRL Queues. These queues - * must start at SGE Egress Context FW_CTRL_SGEEC_START and must start at 'TID' - * (or 'uP Token') FW_CTRL_TID_START. - * - * Ingress Traffic for CTRL Queue[i] is sent to RESP Queue[i]. - */ -#define FW_CTRL_NUM 8 -#define FW_CTRL_SGEEC_START 65528 -#define FW_CTRL_TID_START 65536 - -/* FW_TOE_NUM corresponds to the number of supported TOE Queues. These queues - * must start at SGE Egress Context FW_TOE_SGEEC_START. - * - * Note: the 'uP Token' in the SGE Egress Context fields is irrelevant for - * TOE Queues, as the host is responsible for providing the correct TID in - * every WR. - * - * Ingress Trafffic for TOE Queue[i] is sent to RESP Queue[i]. - */ -#define FW_TOE_NUM 8 -#define FW_TOE_SGEEC_START 0 - -/* - * - */ -#define FW_RI_NUM 1 -#define FW_RI_SGEEC_START 65527 -#define FW_RI_TID_START 65552 - -/* - * The RX_PKT_TID - */ -#define FW_RX_PKT_NUM 1 -#define FW_RX_PKT_TID_START 65553 - -/* FW_WRC_NUM corresponds to the number of Work Request Context that supported - * by the firmware. - */ -#define FW_WRC_NUM (65536 + FW_TUNNEL_NUM + FW_CTRL_NUM +\ - FW_RI_NUM + FW_RX_PKT_NUM) - -#endif /* _FIRMWARE_EXPORTS_H_ */ diff --git a/providers/cxgb3/iwch-abi.h b/providers/cxgb3/iwch-abi.h deleted file mode 100644 index 047f84b7..00000000 --- a/providers/cxgb3/iwch-abi.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 IWCH_ABI_H -#define IWCH_ABI_H - -#include <stdint.h> -#include <infiniband/kern-abi.h> -#include <rdma/cxgb3-abi.h> -#include <kernel-abi/cxgb3-abi.h> - -DECLARE_DRV_CMD(uiwch_alloc_pd, IB_USER_VERBS_CMD_ALLOC_PD, - empty, iwch_alloc_pd_resp); -DECLARE_DRV_CMD(uiwch_create_cq, IB_USER_VERBS_CMD_CREATE_CQ, - iwch_create_cq_req, iwch_create_cq_resp); -DECLARE_DRV_CMD(uiwch_create_qp, IB_USER_VERBS_CMD_CREATE_QP, - empty, iwch_create_qp_resp); -DECLARE_DRV_CMD(uiwch_alloc_ucontext, IB_USER_VERBS_CMD_GET_CONTEXT, - empty, empty); -DECLARE_DRV_CMD(uiwch_reg_mr, IB_USER_VERBS_CMD_REG_MR, - empty, iwch_reg_user_mr_resp); - -#endif /* IWCH_ABI_H */ diff --git a/providers/cxgb3/iwch.c b/providers/cxgb3/iwch.c deleted file mode 100644 index 6f3c8b9f..00000000 --- a/providers/cxgb3/iwch.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 <config.h> - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> -#include <sys/mman.h> -#include <pthread.h> -#include <string.h> - -#include "iwch.h" -#include "iwch-abi.h" - -#define PCI_VENDOR_ID_CHELSIO 0x1425 -#define PCI_DEVICE_ID_CHELSIO_PE9000_2C 0x0020 -#define PCI_DEVICE_ID_CHELSIO_T302E 0x0021 -#define PCI_DEVICE_ID_CHELSIO_T310E 0x0022 -#define PCI_DEVICE_ID_CHELSIO_T320X 0x0023 -#define PCI_DEVICE_ID_CHELSIO_T302X 0x0024 -#define PCI_DEVICE_ID_CHELSIO_T320E 0x0025 -#define PCI_DEVICE_ID_CHELSIO_T310X 0x0026 -#define PCI_DEVICE_ID_CHELSIO_T3B10 0x0030 -#define PCI_DEVICE_ID_CHELSIO_T3B20 0x0031 -#define PCI_DEVICE_ID_CHELSIO_T3B02 0x0032 -#define PCI_DEVICE_ID_CHELSIO_T3C20 0x0035 -#define PCI_DEVICE_ID_CHELSIO_S320E 0x0036 - -#define HCA(v, d, t) \ - VERBS_PCI_MATCH(PCI_VENDOR_ID_##v, PCI_DEVICE_ID_CHELSIO_##d, \ - (void *)(CHELSIO_##t)) -static const struct verbs_match_ent hca_table[] = { - HCA(CHELSIO, PE9000_2C, T3B), - HCA(CHELSIO, T302E, T3A), - HCA(CHELSIO, T302X, T3A), - HCA(CHELSIO, T310E, T3A), - HCA(CHELSIO, T310X, T3A), - HCA(CHELSIO, T320E, T3A), - HCA(CHELSIO, T320X, T3A), - HCA(CHELSIO, T3B10, T3B), - HCA(CHELSIO, T3B20, T3B), - HCA(CHELSIO, T3B02, T3B), - HCA(CHELSIO, T3C20, T3B), - HCA(CHELSIO, S320E, T3B), - {}, -}; - -static const struct verbs_context_ops iwch_ctx_common_ops = { - .query_device = iwch_query_device, - .query_port = iwch_query_port, - .alloc_pd = iwch_alloc_pd, - .dealloc_pd = iwch_free_pd, - .reg_mr = iwch_reg_mr, - .dereg_mr = iwch_dereg_mr, - .create_cq = iwch_create_cq, - .resize_cq = iwch_resize_cq, - .destroy_cq = iwch_destroy_cq, - .create_srq = iwch_create_srq, - .modify_srq = iwch_modify_srq, - .destroy_srq = iwch_destroy_srq, - .create_qp = iwch_create_qp, - .modify_qp = iwch_modify_qp, - .destroy_qp = iwch_destroy_qp, - .query_qp = iwch_query_qp, - .create_ah = iwch_create_ah, - .destroy_ah = iwch_destroy_ah, - .attach_mcast = iwch_attach_mcast, - .detach_mcast = iwch_detach_mcast, - .post_srq_recv = iwch_post_srq_recv, - .req_notify_cq = iwch_arm_cq, -}; - -static const struct verbs_context_ops iwch_ctx_t3a_ops = { - .poll_cq = t3a_poll_cq, - .post_recv = t3a_post_recv, - .post_send = t3a_post_send, -}; - -static const struct verbs_context_ops iwch_ctx_t3b_ops = { - .async_event = t3b_async_event, - .poll_cq = t3b_poll_cq, - .post_recv = t3b_post_recv, - .post_send = t3b_post_send, -}; - -unsigned long iwch_page_size; -unsigned long iwch_page_shift; -unsigned long iwch_page_mask; - -static struct verbs_context *iwch_alloc_context(struct ibv_device *ibdev, - int cmd_fd, - void *private_data) -{ - struct iwch_context *context; - struct ibv_get_context cmd; - struct uiwch_alloc_ucontext_resp resp; - struct iwch_device *rhp = to_iwch_dev(ibdev); - - context = verbs_init_and_alloc_context(ibdev, cmd_fd, context, ibv_ctx, - RDMA_DRIVER_CXGB3); - if (!context) - return NULL; - - if (ibv_cmd_get_context(&context->ibv_ctx, &cmd, sizeof cmd, - &resp.ibv_resp, sizeof resp)) - goto err_free; - - verbs_set_ops(&context->ibv_ctx, &iwch_ctx_common_ops); - - switch (rhp->hca_type) { - case CHELSIO_T3B: - PDBG("%s T3B device\n", __FUNCTION__); - verbs_set_ops(&context->ibv_ctx, &iwch_ctx_t3b_ops); - break; - case CHELSIO_T3A: - PDBG("%s T3A device\n", __FUNCTION__); - verbs_set_ops(&context->ibv_ctx, &iwch_ctx_t3a_ops); - break; - default: - PDBG("%s unknown hca type %d\n", __FUNCTION__, rhp->hca_type); - goto err_free; - break; - } - - return &context->ibv_ctx; - -err_free: - verbs_uninit_context(&context->ibv_ctx); - free(context); - return NULL; -} - -static void iwch_free_context(struct ibv_context *ibctx) -{ - struct iwch_context *context = to_iwch_ctx(ibctx); - - verbs_uninit_context(&context->ibv_ctx); - free(context); -} - -static void iwch_uninit_device(struct verbs_device *verbs_device) -{ - struct iwch_device *dev = to_iwch_dev(&verbs_device->device); - - free(dev); -} - -static bool iwch_device_match(struct verbs_sysfs_dev *sysfs_dev) -{ - char value[32], *cp; - unsigned int fw_maj, fw_min; - - /* Rely on the core code to match PCI devices */ - if (!sysfs_dev->match) - return false; - - /* - * Verify that the firmware major number matches. Major number - * mismatches are fatal. Minor number mismatches are tolerated. - */ - if (ibv_get_fw_ver(value, sizeof(value), sysfs_dev)) - return false; - - cp = strtok(value+1, "."); - sscanf(cp, "%i", &fw_maj); - cp = strtok(NULL, "."); - sscanf(cp, "%i", &fw_min); - - if (fw_maj < FW_MAJ) { - fprintf(stderr, "libcxgb3: Fatal firmware version mismatch. " - "Firmware major number is %u and libcxgb3 needs %u.\n", - fw_maj, FW_MAJ); - fflush(stderr); - return false; - } - - DBGLOG("libcxgb3"); - - if ((signed int)fw_min < FW_MIN) { - PDBG("libcxgb3: non-fatal firmware version mismatch. " - "Firmware minor number is %u and libcxgb3 needs %u.\n", - fw_min, FW_MIN); - fflush(stderr); - } - - return true; -} - -static struct verbs_device *iwch_device_alloc(struct verbs_sysfs_dev *sysfs_dev) -{ - struct iwch_device *dev; - - dev = calloc(1, sizeof(*dev)); - if (!dev) - return NULL; - - pthread_spin_init(&dev->lock, PTHREAD_PROCESS_PRIVATE); - dev->hca_type = (uintptr_t)sysfs_dev->match->driver_data; - dev->abi_version = sysfs_dev->abi_ver; - - iwch_page_size = sysconf(_SC_PAGESIZE); - iwch_page_shift = long_log2(iwch_page_size); - iwch_page_mask = iwch_page_size - 1; - - dev->mmid2ptr = calloc(T3_MAX_NUM_STAG, sizeof(void *)); - if (!dev->mmid2ptr) { - goto err1; - } - dev->qpid2ptr = calloc(T3_MAX_NUM_QP, sizeof(void *)); - if (!dev->qpid2ptr) { - goto err2; - } - dev->cqid2ptr = calloc(T3_MAX_NUM_CQ, sizeof(void *)); - if (!dev->cqid2ptr) - goto err3; - - return &dev->ibv_dev; - -err3: - free(dev->qpid2ptr); -err2: - free(dev->mmid2ptr); -err1: - free(dev); - return NULL; -} - -static const struct verbs_device_ops iwch_dev_ops = { - .name = "cxgb3", - .match_min_abi_version = 0, - .match_max_abi_version = ABI_VERS, - .match_table = hca_table, - .match_device = iwch_device_match, - .alloc_device = iwch_device_alloc, - .uninit_device = iwch_uninit_device, - .alloc_context = iwch_alloc_context, - .free_context = iwch_free_context, -}; -PROVIDER_DRIVER(cxgb3, iwch_dev_ops); diff --git a/providers/cxgb3/iwch.h b/providers/cxgb3/iwch.h deleted file mode 100644 index c7d85d3a..00000000 --- a/providers/cxgb3/iwch.h +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 IWCH_H -#define IWCH_H - -#include <pthread.h> -#include <inttypes.h> -#include <stddef.h> - -#include <infiniband/driver.h> -#include <util/udma_barrier.h> - -#include "cxio_wr.h" - -enum iwch_hca_type { - CHELSIO_T3A = 0, - CHELSIO_T3B = 1, -}; - -struct iwch_mr; - -#define ABI_VERS 1 - -struct iwch_device { - struct verbs_device ibv_dev; - enum iwch_hca_type hca_type; - struct iwch_mr **mmid2ptr; - struct iwch_qp **qpid2ptr; - struct iwch_cq **cqid2ptr; - pthread_spinlock_t lock; - int abi_version; -}; - -static inline int t3b_device(struct iwch_device *dev) -{ - return (dev->hca_type == CHELSIO_T3B); -} - -static inline int t3a_device(struct iwch_device *dev) -{ - return (dev->hca_type == CHELSIO_T3A); -} - -struct iwch_context { - struct verbs_context ibv_ctx; -}; - -struct iwch_pd { - struct ibv_pd ibv_pd; -}; - -struct iwch_mr { - struct verbs_mr vmr; - uint64_t va_fbo; - uint32_t page_size; - uint32_t pbl_addr; - uint32_t len; -}; - -struct iwch_cq { - struct ibv_cq ibv_cq; - struct iwch_device *rhp; - struct t3_cq cq; - pthread_spinlock_t lock; -}; - -struct iwch_qp { - struct ibv_qp ibv_qp; - struct iwch_device *rhp; - struct t3_wq wq; - pthread_spinlock_t lock; - int sq_sig_all; -}; - -#define to_iwch_xxx(xxx, type) \ - container_of(ib##xxx, struct iwch_##type, ibv_##xxx) - -static inline struct iwch_device *to_iwch_dev(struct ibv_device *ibdev) -{ - return container_of(ibdev, struct iwch_device, ibv_dev.device); -} - -static inline struct iwch_context *to_iwch_ctx(struct ibv_context *ibctx) -{ - return container_of(ibctx, struct iwch_context, ibv_ctx.context); -} - -static inline struct iwch_pd *to_iwch_pd(struct ibv_pd *ibpd) -{ - return to_iwch_xxx(pd, pd); -} - -static inline struct iwch_cq *to_iwch_cq(struct ibv_cq *ibcq) -{ - return to_iwch_xxx(cq, cq); -} - -static inline struct iwch_qp *to_iwch_qp(struct ibv_qp *ibqp) -{ - return to_iwch_xxx(qp, qp); -} - -static inline struct iwch_mr *to_iwch_mr(struct verbs_mr *vmr) -{ - return container_of(vmr, struct iwch_mr, vmr); -} - -static inline unsigned long long_log2(unsigned long x) -{ - unsigned long r = 0; - for (x >>= 1; x > 0; x >>= 1) - r++; - return r; -} - -extern int iwch_query_device(struct ibv_context *context, - struct ibv_device_attr *attr); -extern int iwch_query_port(struct ibv_context *context, uint8_t port, - struct ibv_port_attr *attr); - -extern struct ibv_pd *iwch_alloc_pd(struct ibv_context *context); -extern int iwch_free_pd(struct ibv_pd *pd); - -extern struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr, size_t length, - uint64_t hca_va, int access); -extern int iwch_dereg_mr(struct verbs_mr *mr); - -struct ibv_cq *iwch_create_cq(struct ibv_context *context, int cqe, - struct ibv_comp_channel *channel, - int comp_vector); -extern int iwch_resize_cq(struct ibv_cq *cq, int cqe); -extern int iwch_destroy_cq(struct ibv_cq *cq); -extern int t3a_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc); -extern int t3b_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc); -extern int iwch_arm_cq(struct ibv_cq *cq, int solicited); -extern void iwch_cq_event(struct ibv_cq *cq); -extern void iwch_init_cq_buf(struct iwch_cq *cq, int nent); - -extern struct ibv_srq *iwch_create_srq(struct ibv_pd *pd, - struct ibv_srq_init_attr *attr); -extern int iwch_modify_srq(struct ibv_srq *srq, - struct ibv_srq_attr *attr, - int mask); -extern int iwch_destroy_srq(struct ibv_srq *srq); -extern int iwch_post_srq_recv(struct ibv_srq *ibsrq, - struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr); - -extern struct ibv_qp *iwch_create_qp(struct ibv_pd *pd, - struct ibv_qp_init_attr *attr); -extern int iwch_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, - int attr_mask); -extern int iwch_destroy_qp(struct ibv_qp *qp); -extern int iwch_query_qp(struct ibv_qp *qp, - struct ibv_qp_attr *attr, - int attr_mask, - struct ibv_qp_init_attr *init_attr); -extern void iwch_flush_qp(struct iwch_qp *qhp); -extern void iwch_flush_qps(struct iwch_device *dev); -extern int t3a_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, - struct ibv_send_wr **bad_wr); -extern int t3b_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, - struct ibv_send_wr **bad_wr); -extern int t3a_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr); -extern int t3b_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr); -extern struct ibv_ah *iwch_create_ah(struct ibv_pd *pd, - struct ibv_ah_attr *ah_attr); -extern int iwch_destroy_ah(struct ibv_ah *ah); -extern int iwch_attach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, - uint16_t lid); -extern int iwch_detach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, - uint16_t lid); -extern void t3b_async_event(struct ibv_context *context, - struct ibv_async_event *event); -#ifdef DEBUG -#include <syslog.h> -#define DBGLOG(s) openlog(s, LOG_NDELAY|LOG_PID, LOG_LOCAL7) -#define PDBG(fmt, args...) do {syslog(LOG_DEBUG, fmt, ##args);} while (0) -#else -#define DBGLOG(s) -#define PDBG(fmt, args...) do {} while (0) -#endif - -#define FW_MAJ 5 -#define FW_MIN 0 - -#endif /* IWCH_H */ diff --git a/providers/cxgb3/qp.c b/providers/cxgb3/qp.c deleted file mode 100644 index 4a1e7397..00000000 --- a/providers/cxgb3/qp.c +++ /dev/null @@ -1,560 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 <config.h> - -#include <stdlib.h> -#include <pthread.h> -#include <string.h> - -#include "iwch.h" -#include <stdio.h> - -#define ROUNDUP8(a) (((a) + 7) & ~7) - -static inline int iwch_build_rdma_send(union t3_wr *wqe, struct ibv_send_wr *wr, - uint8_t *flit_cnt) -{ - int i; - - if (wr->num_sge > T3_MAX_SGE) - return -1; - if (wr->send_flags & IBV_SEND_SOLICITED) - wqe->send.rdmaop = T3_SEND_WITH_SE; - else - wqe->send.rdmaop = T3_SEND; - wqe->send.rem_stag = 0; - wqe->send.reserved = 0; - if ((wr->send_flags & IBV_SEND_INLINE) || wr->num_sge == 0) { - uint8_t *datap; - - wqe->send.plen = 0; - datap = (uint8_t *)&wqe->send.sgl[0]; - wqe->send.num_sgle = 0; /* indicates in-line data */ - for (i = 0; i < wr->num_sge; i++) { - if ((wqe->send.plen + wr->sg_list[i].length) > - T3_MAX_INLINE) - return -1; - wqe->send.plen += wr->sg_list[i].length; - memcpy(datap, - (void *)(unsigned long)wr->sg_list[i].addr, - wr->sg_list[i].length); - datap += wr->sg_list[i].length; - } - *flit_cnt = 4 + (ROUNDUP8(wqe->send.plen) >> 3); - wqe->send.plen = htobe32(wqe->send.plen); - } else { - wqe->send.plen = 0; - for (i = 0; i < wr->num_sge; i++) { - if ((wqe->send.plen + wr->sg_list[i].length) < - wqe->send.plen) { - return -1; - } - wqe->send.plen += wr->sg_list[i].length; - wqe->send.sgl[i].stag = - htobe32(wr->sg_list[i].lkey); - wqe->send.sgl[i].len = - htobe32(wr->sg_list[i].length); - wqe->send.sgl[i].to = htobe64(wr->sg_list[i].addr); - } - wqe->send.plen = htobe32(wqe->send.plen); - wqe->send.num_sgle = htobe32(wr->num_sge); - *flit_cnt = 4 + ((wr->num_sge) << 1); - } - return 0; -} - -static inline int iwch_build_rdma_write(union t3_wr *wqe, - struct ibv_send_wr *wr, - uint8_t *flit_cnt) -{ - int i; - - if (wr->num_sge > T3_MAX_SGE) - return -1; - wqe->write.rdmaop = T3_RDMA_WRITE; - wqe->write.reserved = 0; - wqe->write.stag_sink = htobe32(wr->wr.rdma.rkey); - wqe->write.to_sink = htobe64(wr->wr.rdma.remote_addr); - - wqe->write.num_sgle = wr->num_sge; - - if ((wr->send_flags & IBV_SEND_INLINE) || wr->num_sge == 0) { - uint8_t *datap; - - wqe->write.plen = 0; - datap = (uint8_t *)&wqe->write.sgl[0]; - wqe->write.num_sgle = 0; /* indicates in-line data */ - for (i = 0; i < wr->num_sge; i++) { - if ((wqe->write.plen + wr->sg_list[i].length) > - T3_MAX_INLINE) - return -1; - wqe->write.plen += wr->sg_list[i].length; - memcpy(datap, - (void *)(unsigned long)wr->sg_list[i].addr, - wr->sg_list[i].length); - datap += wr->sg_list[i].length; - } - *flit_cnt = 5 + (ROUNDUP8(wqe->write.plen) >> 3); - wqe->write.plen = htobe32(wqe->write.plen); - } else { - wqe->write.plen = 0; - for (i = 0; i < wr->num_sge; i++) { - if ((wqe->write.plen + wr->sg_list[i].length) < - wqe->write.plen) { - return -1; - } - wqe->write.plen += wr->sg_list[i].length; - wqe->write.sgl[i].stag = - htobe32(wr->sg_list[i].lkey); - wqe->write.sgl[i].len = - htobe32(wr->sg_list[i].length); - wqe->write.sgl[i].to = - htobe64(wr->sg_list[i].addr); - } - wqe->write.plen = htobe32(wqe->write.plen); - wqe->write.num_sgle = htobe32(wr->num_sge); - *flit_cnt = 5 + ((wr->num_sge) << 1); - } - return 0; -} - -static inline int iwch_build_rdma_read(union t3_wr *wqe, struct ibv_send_wr *wr, - uint8_t *flit_cnt) -{ - if (wr->num_sge > 1) - return -1; - wqe->read.rdmaop = T3_READ_REQ; - wqe->read.reserved = 0; - if (wr->num_sge == 1 && wr->sg_list[0].length > 0) { - wqe->read.rem_stag = htobe32(wr->wr.rdma.rkey); - wqe->read.rem_to = htobe64(wr->wr.rdma.remote_addr); - wqe->read.local_stag = htobe32(wr->sg_list[0].lkey); - wqe->read.local_len = htobe32(wr->sg_list[0].length); - wqe->read.local_to = htobe64(wr->sg_list[0].addr); - } else { - - /* build passable 0B read request */ - wqe->read.rem_stag = 2; - wqe->read.rem_to = 2; - wqe->read.local_stag = 2; - wqe->read.local_len = 0; - wqe->read.local_to = 2; - } - *flit_cnt = sizeof(struct t3_rdma_read_wr) >> 3; - return 0; -} - -int t3b_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, - struct ibv_send_wr **bad_wr) -{ - int err = 0; - uint8_t t3_wr_flit_cnt; - enum t3_wr_opcode t3_wr_opcode = 0; - enum t3_wr_flags t3_wr_flags; - struct iwch_qp *qhp; - uint32_t idx; - union t3_wr *wqe; - uint32_t num_wrs; - struct t3_swsq *sqp; - - qhp = to_iwch_qp(ibqp); - pthread_spin_lock(&qhp->lock); - if (t3_wq_in_error(&qhp->wq)) { - iwch_flush_qp(qhp); - pthread_spin_unlock(&qhp->lock); - return -1; - } - num_wrs = Q_FREECNT(qhp->wq.sq_rptr, qhp->wq.sq_wptr, - qhp->wq.sq_size_log2); - if (num_wrs <= 0) { - pthread_spin_unlock(&qhp->lock); - return -1; - } - while (wr) { - if (num_wrs == 0) { - err = -1; - *bad_wr = wr; - break; - } - idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2); - wqe = (union t3_wr *) (qhp->wq.queue + idx); - t3_wr_flags = 0; - if (wr->send_flags & IBV_SEND_SOLICITED) - t3_wr_flags |= T3_SOLICITED_EVENT_FLAG; - if (wr->send_flags & IBV_SEND_FENCE) - t3_wr_flags |= T3_READ_FENCE_FLAG; - if ((wr->send_flags & IBV_SEND_SIGNALED) || qhp->sq_sig_all) - t3_wr_flags |= T3_COMPLETION_FLAG; - sqp = qhp->wq.sq + - Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2); - switch (wr->opcode) { - case IBV_WR_SEND: - t3_wr_opcode = T3_WR_SEND; - err = iwch_build_rdma_send(wqe, wr, &t3_wr_flit_cnt); - break; - case IBV_WR_RDMA_WRITE: - t3_wr_opcode = T3_WR_WRITE; - err = iwch_build_rdma_write(wqe, wr, &t3_wr_flit_cnt); - break; - case IBV_WR_RDMA_READ: - t3_wr_opcode = T3_WR_READ; - t3_wr_flags = 0; - err = iwch_build_rdma_read(wqe, wr, &t3_wr_flit_cnt); - if (err) - break; - sqp->read_len = wqe->read.local_len; - if (!qhp->wq.oldest_read) - qhp->wq.oldest_read = sqp; - break; - default: - PDBG("%s post of type=%d TBD!\n", __FUNCTION__, - wr->opcode); - err = -1; - } - if (err) { - *bad_wr = wr; - break; - } - wqe->send.wrid.id0.hi = qhp->wq.sq_wptr; - sqp->wr_id = wr->wr_id; - sqp->opcode = wr2opcode(t3_wr_opcode); - sqp->sq_wptr = qhp->wq.sq_wptr; - sqp->complete = 0; - sqp->signaled = (wr->send_flags & IBV_SEND_SIGNALED); - - build_fw_riwrh((void *) wqe, t3_wr_opcode, t3_wr_flags, - Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2), - 0, t3_wr_flit_cnt); - PDBG("%s cookie 0x%" PRIx64 - " wq idx 0x%x swsq idx %ld opcode %d\n", - __FUNCTION__, wr->wr_id, idx, - Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2), - sqp->opcode); - wr = wr->next; - num_wrs--; - ++(qhp->wq.wptr); - ++(qhp->wq.sq_wptr); - } - pthread_spin_unlock(&qhp->lock); - if (t3_wq_db_enabled(&qhp->wq)) - RING_DOORBELL(qhp->wq.doorbell, qhp->wq.qpid); - return err; -} - -int t3a_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, - struct ibv_send_wr **bad_wr) -{ - int ret; - struct iwch_qp *qhp = to_iwch_qp(ibqp); - - pthread_spin_lock(&qhp->lock); - ret = ibv_cmd_post_send(ibqp, wr, bad_wr); - pthread_spin_unlock(&qhp->lock); - return ret; -} - -static inline int iwch_build_rdma_recv(struct iwch_device *rhp, - union t3_wr *wqe, - struct ibv_recv_wr *wr) -{ - int i; - if (wr->num_sge > T3_MAX_SGE) - return -1; - - wqe->recv.num_sgle = htobe32(wr->num_sge); - for (i = 0; i < wr->num_sge; i++) { - wqe->recv.sgl[i].stag = htobe32(wr->sg_list[i].lkey); - wqe->recv.sgl[i].len = htobe32(wr->sg_list[i].length); - wqe->recv.sgl[i].to = htobe64(wr->sg_list[i].addr); - } - for (; i < T3_MAX_SGE; i++) { - wqe->recv.sgl[i].stag = 0; - wqe->recv.sgl[i].len = 0; - wqe->recv.sgl[i].to = 0; - } - return 0; -} - -static void insert_recv_cqe(struct t3_wq *wq, struct t3_cq *cq) -{ - struct t3_cqe cqe; - - PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __FUNCTION__, - wq, cq, cq->sw_rptr, cq->sw_wptr); - memset(&cqe, 0, sizeof(cqe)); - cqe.header = V_CQE_STATUS(TPT_ERR_SWFLUSH) | - V_CQE_OPCODE(T3_SEND) | - V_CQE_TYPE(0) | - V_CQE_SWCQE(1) | - V_CQE_QPID(wq->qpid) | - V_CQE_GENBIT(Q_GENBIT(cq->sw_wptr, cq->size_log2)); - cqe.header = htobe32(cqe.header); - *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2)) = cqe; - cq->sw_wptr++; -} - -static void flush_rq(struct t3_wq *wq, struct t3_cq *cq, int count) -{ - uint32_t ptr; - - /* flush RQ */ - PDBG("%s rq_rptr 0x%x rq_wptr 0x%x skip count %u\n", __FUNCTION__, - wq->rq_rptr, wq->rq_wptr, count); - ptr = wq->rq_rptr + count; - while (ptr++ != wq->rq_wptr) { - insert_recv_cqe(wq, cq); - } -} - -static void insert_sq_cqe(struct t3_wq *wq, struct t3_cq *cq, - struct t3_swsq *sqp) -{ - struct t3_cqe cqe; - - PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __FUNCTION__, - wq, cq, cq->sw_rptr, cq->sw_wptr); - memset(&cqe, 0, sizeof(cqe)); - cqe.header = V_CQE_STATUS(TPT_ERR_SWFLUSH) | - V_CQE_OPCODE(sqp->opcode) | - V_CQE_TYPE(1) | - V_CQE_SWCQE(1) | - V_CQE_QPID(wq->qpid) | - V_CQE_GENBIT(Q_GENBIT(cq->sw_wptr, cq->size_log2)); - cqe.header = htobe32(cqe.header); - CQE_WRID_SQ_WPTR(cqe) = sqp->sq_wptr; - - *(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2)) = cqe; - cq->sw_wptr++; -} - -static void flush_sq(struct t3_wq *wq, struct t3_cq *cq, int count) -{ - uint32_t ptr; - struct t3_swsq *sqp; - - ptr = wq->sq_rptr + count; - sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); - while (ptr != wq->sq_wptr) { - insert_sq_cqe(wq, cq, sqp); - ptr++; - sqp = wq->sq + Q_PTR2IDX(ptr, wq->sq_size_log2); - } -} - -/* - * Move all CQEs from the HWCQ into the SWCQ. - */ -static void flush_hw_cq(struct t3_cq *cq) -{ - struct t3_cqe *cqe, *swcqe; - - PDBG("%s cq %p cqid 0x%x\n", __FUNCTION__, cq, cq->cqid); - cqe = cxio_next_hw_cqe(cq); - while (cqe) { - PDBG("%s flushing hwcq rptr 0x%x to swcq wptr 0x%x\n", - __FUNCTION__, cq->rptr, cq->sw_wptr); - swcqe = cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2); - *swcqe = *cqe; - swcqe->header |= htobe32(V_CQE_SWCQE(1)); - cq->sw_wptr++; - cq->rptr++; - cqe = cxio_next_hw_cqe(cq); - } -} - -static void count_scqes(struct t3_cq *cq, struct t3_wq *wq, int *count) -{ - struct t3_cqe *cqe; - uint32_t ptr; - - *count = 0; - ptr = cq->sw_rptr; - while (!Q_EMPTY(ptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(ptr, cq->size_log2)); - if ((SQ_TYPE(*cqe) || - (CQE_OPCODE(*cqe) == T3_READ_RESP && CQE_WRID_STAG(*cqe) != 1)) && - (CQE_QPID(*cqe) == wq->qpid)) - (*count)++; - ptr++; - } - PDBG("%s cq %p count %d\n", __FUNCTION__, cq, *count); -} - -static void count_rcqes(struct t3_cq *cq, struct t3_wq *wq, int *count) -{ - struct t3_cqe *cqe; - uint32_t ptr; - - *count = 0; - ptr = cq->sw_rptr; - while (!Q_EMPTY(ptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(ptr, cq->size_log2)); - if (RQ_TYPE(*cqe) && (CQE_OPCODE(*cqe) != T3_READ_RESP) && - (CQE_QPID(*cqe) == wq->qpid)) - (*count)++; - ptr++; - } - PDBG("%s cq %p count %d\n", __FUNCTION__, cq, *count); -} - -/* - * Assumes qhp lock is held. - */ -void iwch_flush_qp(struct iwch_qp *qhp) -{ - struct iwch_cq *rchp, *schp; - int count; - - if (qhp->wq.flushed) - return; - - rchp = qhp->rhp->cqid2ptr[to_iwch_cq(qhp->ibv_qp.recv_cq)->cq.cqid]; - schp = qhp->rhp->cqid2ptr[to_iwch_cq(qhp->ibv_qp.send_cq)->cq.cqid]; - - PDBG("%s qhp %p rchp %p schp %p\n", __FUNCTION__, qhp, rchp, schp); - qhp->wq.flushed = 1; - -#ifdef notyet - /* take a ref on the qhp since we must release the lock */ - atomic_inc(&qhp->refcnt); -#endif - pthread_spin_unlock(&qhp->lock); - - /* locking heirarchy: cq lock first, then qp lock. */ - pthread_spin_lock(&rchp->lock); - pthread_spin_lock(&qhp->lock); - flush_hw_cq(&rchp->cq); - count_rcqes(&rchp->cq, &qhp->wq, &count); - flush_rq(&qhp->wq, &rchp->cq, count); - pthread_spin_unlock(&qhp->lock); - pthread_spin_unlock(&rchp->lock); - - /* locking heirarchy: cq lock first, then qp lock. */ - pthread_spin_lock(&schp->lock); - pthread_spin_lock(&qhp->lock); - flush_hw_cq(&schp->cq); - count_scqes(&schp->cq, &qhp->wq, &count); - flush_sq(&qhp->wq, &schp->cq, count); - pthread_spin_unlock(&qhp->lock); - pthread_spin_unlock(&schp->lock); - -#ifdef notyet - /* deref */ - if (atomic_dec_and_test(&qhp->refcnt)) - wake_up(&qhp->wait); -#endif - pthread_spin_lock(&qhp->lock); -} - -void iwch_flush_qps(struct iwch_device *dev) -{ - int i; - - pthread_spin_lock(&dev->lock); - for (i=0; i < T3_MAX_NUM_QP; i++) { - struct iwch_qp *qhp = dev->qpid2ptr[i]; - if (qhp) { - if (!qhp->wq.flushed && t3_wq_in_error(&qhp->wq)) { - pthread_spin_lock(&qhp->lock); - iwch_flush_qp(qhp); - pthread_spin_unlock(&qhp->lock); - } - } - } - pthread_spin_unlock(&dev->lock); - -} - -int t3b_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr) -{ - int err = 0; - struct iwch_qp *qhp; - uint32_t idx; - union t3_wr *wqe; - uint32_t num_wrs; - - qhp = to_iwch_qp(ibqp); - pthread_spin_lock(&qhp->lock); - if (t3_wq_in_error(&qhp->wq)) { - iwch_flush_qp(qhp); - pthread_spin_unlock(&qhp->lock); - return -1; - } - num_wrs = Q_FREECNT(qhp->wq.rq_rptr, qhp->wq.rq_wptr, - qhp->wq.rq_size_log2) - 1; - if (!wr) { - pthread_spin_unlock(&qhp->lock); - return -1; - } - while (wr) { - idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2); - wqe = (union t3_wr *) (qhp->wq.queue + idx); - if (num_wrs) - err = iwch_build_rdma_recv(qhp->rhp, wqe, wr); - else - err = -1; - if (err) { - *bad_wr = wr; - break; - } - qhp->wq.rq[Q_PTR2IDX(qhp->wq.rq_wptr, qhp->wq.rq_size_log2)] = - wr->wr_id; - build_fw_riwrh((void *) wqe, T3_WR_RCV, T3_COMPLETION_FLAG, - Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2), - 0, sizeof(struct t3_receive_wr) >> 3); - PDBG("%s cookie 0x%" PRIx64 - " idx 0x%x rq_wptr 0x%x rw_rptr 0x%x " - "wqe %p \n", __FUNCTION__, wr->wr_id, idx, - qhp->wq.rq_wptr, qhp->wq.rq_rptr, wqe); - ++(qhp->wq.rq_wptr); - ++(qhp->wq.wptr); - wr = wr->next; - num_wrs--; - } - pthread_spin_unlock(&qhp->lock); - if (t3_wq_db_enabled(&qhp->wq)) - RING_DOORBELL(qhp->wq.doorbell, qhp->wq.qpid); - return err; -} - -int t3a_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr) -{ - int ret; - struct iwch_qp *qhp = to_iwch_qp(ibqp); - - pthread_spin_lock(&qhp->lock); - ret = ibv_cmd_post_recv(ibqp, wr, bad_wr); - pthread_spin_unlock(&qhp->lock); - return ret; -} diff --git a/providers/cxgb3/verbs.c b/providers/cxgb3/verbs.c deleted file mode 100644 index 39a44192..00000000 --- a/providers/cxgb3/verbs.c +++ /dev/null @@ -1,476 +0,0 @@ -/* - * Copyright (c) 2006-2007 Chelsio, Inc. All rights reserved. - * - * 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 - * OpenIB.org 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. - * - * 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 <config.h> - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <pthread.h> -#include <sys/mman.h> -#include <inttypes.h> - -#include "iwch.h" -#include "iwch-abi.h" - -int iwch_query_device(struct ibv_context *context, struct ibv_device_attr *attr) -{ - struct ibv_query_device cmd; - uint64_t raw_fw_ver; - unsigned major, minor, sub_minor; - int ret; - - ret = ibv_cmd_query_device(context, attr, &raw_fw_ver, &cmd, - sizeof cmd); - if (ret) - return ret; - - major = (raw_fw_ver >> 32) & 0xffff; - minor = (raw_fw_ver >> 16) & 0xffff; - sub_minor = raw_fw_ver & 0xffff; - - snprintf(attr->fw_ver, sizeof attr->fw_ver, - "%d.%d.%d", major, minor, sub_minor); - - return 0; -} - -int iwch_query_port(struct ibv_context *context, uint8_t port, - struct ibv_port_attr *attr) -{ - struct ibv_query_port cmd; - - return ibv_cmd_query_port(context, port, attr, &cmd, sizeof cmd); -} - -struct ibv_pd *iwch_alloc_pd(struct ibv_context *context) -{ - struct ibv_alloc_pd cmd; - struct uiwch_alloc_pd_resp resp; - struct iwch_pd *pd; - - pd = malloc(sizeof *pd); - if (!pd) - return NULL; - - if (ibv_cmd_alloc_pd(context, &pd->ibv_pd, &cmd, sizeof cmd, - &resp.ibv_resp, sizeof resp)) { - free(pd); - return NULL; - } - - return &pd->ibv_pd; -} - -int iwch_free_pd(struct ibv_pd *pd) -{ - int ret; - - ret = ibv_cmd_dealloc_pd(pd); - if (ret) - return ret; - - free(pd); - return 0; -} - -struct ibv_mr *iwch_reg_mr(struct ibv_pd *pd, void *addr, size_t length, - uint64_t hca_va, int access) -{ - struct iwch_mr *mhp; - struct ibv_reg_mr cmd; - struct uiwch_reg_mr_resp resp; - struct iwch_device *dev = to_iwch_dev(pd->context->device); - - PDBG("%s addr %p length %ld hca_va %p\n", __func__, addr, length, - hca_va); - - mhp = malloc(sizeof *mhp); - if (!mhp) - return NULL; - - if (ibv_cmd_reg_mr(pd, addr, length, hca_va, - access, &mhp->vmr, &cmd, sizeof(cmd), - &resp.ibv_resp, sizeof resp)) { - free(mhp); - return NULL; - } - - mhp->va_fbo = hca_va; - mhp->page_size = iwch_page_shift - 12; - mhp->pbl_addr = resp.pbl_addr; - mhp->len = length; - - PDBG("%s stag 0x%x va_fbo 0x%" PRIx64 - " page_size %d pbl_addr 0x%x len %d\n", - __func__, mhp->vmr.ibv_mr.rkey, mhp->va_fbo, - mhp->page_size, mhp->pbl_addr, mhp->len); - - pthread_spin_lock(&dev->lock); - dev->mmid2ptr[t3_mmid(mhp->vmr.ibv_mr.lkey)] = mhp; - pthread_spin_unlock(&dev->lock); - - return &mhp->vmr.ibv_mr; -} - -int iwch_dereg_mr(struct verbs_mr *vmr) -{ - int ret; - struct iwch_device *dev = to_iwch_dev(vmr->ibv_mr.pd->context->device); - - ret = ibv_cmd_dereg_mr(vmr); - if (ret) - return ret; - - pthread_spin_lock(&dev->lock); - dev->mmid2ptr[t3_mmid(vmr->ibv_mr.lkey)] = NULL; - pthread_spin_unlock(&dev->lock); - - free(to_iwch_mr(vmr)); - - return 0; -} - -struct ibv_cq *iwch_create_cq(struct ibv_context *context, int cqe, - struct ibv_comp_channel *channel, int comp_vector) -{ - struct uiwch_create_cq cmd; - struct uiwch_create_cq_resp resp; - struct iwch_cq *chp; - struct iwch_device *dev = to_iwch_dev(context->device); - int ret; - - chp = calloc(1, sizeof *chp); - if (!chp) { - return NULL; - } - - cmd.user_rptr_addr = (uint64_t)(unsigned long)&chp->cq.rptr; - ret = ibv_cmd_create_cq(context, cqe, channel, comp_vector, - &chp->ibv_cq, &cmd.ibv_cmd, sizeof cmd, - &resp.ibv_resp, sizeof resp); - if (ret) - goto err1; - - pthread_spin_init(&chp->lock, PTHREAD_PROCESS_PRIVATE); - chp->rhp = dev; - chp->cq.cqid = resp.cqid; - chp->cq.size_log2 = resp.size_log2; - if (dev->abi_version == 0) - chp->cq.memsize = PAGE_ALIGN((1UL << chp->cq.size_log2) * - sizeof(struct t3_cqe)); - else - chp->cq.memsize = resp.memsize; - chp->cq.queue = mmap(NULL, t3_cq_memsize(&chp->cq), - PROT_READ|PROT_WRITE, MAP_SHARED, context->cmd_fd, - resp.key); - if (chp->cq.queue == MAP_FAILED) - goto err2; - - chp->cq.sw_queue = calloc(t3_cq_depth(&chp->cq), sizeof(struct t3_cqe)); - if (!chp->cq.sw_queue) - goto err3; - - PDBG("%s cqid 0x%x physaddr %" PRIx64 " va %p memsize %d\n", - __FUNCTION__, chp->cq.cqid, resp.physaddr, chp->cq.queue, - t3_cq_memsize(&chp->cq)); - - pthread_spin_lock(&dev->lock); - dev->cqid2ptr[chp->cq.cqid] = chp; - pthread_spin_unlock(&dev->lock); - - return &chp->ibv_cq; -err3: - munmap(chp->cq.queue, t3_cq_memsize(&chp->cq)); -err2: - (void)ibv_cmd_destroy_cq(&chp->ibv_cq); -err1: - free(chp); - return NULL; -} - -int iwch_resize_cq(struct ibv_cq *ibcq, int cqe) -{ -#ifdef notyet - int ret; - struct ibv_resize_cq cmd; - struct iwch_cq *chp = to_iwch_cq(ibcq); - - pthread_spin_lock(&chp->lock); - ret = ibv_cmd_resize_cq(ibcq, cqe, &cmd, sizeof cmd); - /* remap and realloc swcq here */ - pthread_spin_unlock(&chp->lock); - return ret; -#else - return -ENOSYS; -#endif -} - -int iwch_destroy_cq(struct ibv_cq *ibcq) -{ - int ret; - struct iwch_cq *chp = to_iwch_cq(ibcq); - void *cqva = chp->cq.queue; - unsigned size = t3_cq_memsize(&chp->cq); - struct iwch_device *dev = to_iwch_dev(ibcq->context->device); - - munmap(cqva, size); - ret = ibv_cmd_destroy_cq(ibcq); - if (ret) { - return ret; - } - - pthread_spin_lock(&dev->lock); - dev->cqid2ptr[chp->cq.cqid] = NULL; - pthread_spin_unlock(&dev->lock); - - free(chp->cq.sw_queue); - free(chp); - return 0; -} - -struct ibv_srq *iwch_create_srq(struct ibv_pd *pd, - struct ibv_srq_init_attr *attr) -{ - return NULL; -} - -int iwch_modify_srq(struct ibv_srq *srq, struct ibv_srq_attr *attr, - int attr_mask) -{ - return -ENOSYS; -} - -int iwch_destroy_srq(struct ibv_srq *srq) -{ - return -ENOSYS; -} - -int iwch_post_srq_recv(struct ibv_srq *ibsrq, struct ibv_recv_wr *wr, - struct ibv_recv_wr **bad_wr) -{ - return -ENOSYS; -} - -struct ibv_qp *iwch_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr) -{ - struct uiwch_create_qp cmd; - struct uiwch_create_qp_resp resp; - struct iwch_qp *qhp; - struct iwch_device *dev = to_iwch_dev(pd->context->device); - int ret; - void *dbva; - - PDBG("%s enter qp\n", __FUNCTION__); - qhp = calloc(1, sizeof *qhp); - if (!qhp) - goto err1; - - ret = ibv_cmd_create_qp(pd, &qhp->ibv_qp, attr, &cmd.ibv_cmd, - sizeof cmd, &resp.ibv_resp, sizeof resp); - if (ret) - goto err2; - - PDBG("%s qpid 0x%x physaddr %" PRIx64 " doorbell %" PRIx64 - " size %d sq_size %d rq_size %d\n", - __FUNCTION__, resp.qpid, resp.physaddr, resp.doorbell, - 1 << resp.size_log2, 1 << resp.sq_size_log2, - 1 << resp.rq_size_log2); - - qhp->rhp = dev; - qhp->wq.qpid = resp.qpid; - qhp->wq.size_log2 = resp.size_log2; - qhp->wq.sq_size_log2 = resp.sq_size_log2; - qhp->wq.rq_size_log2 = resp.rq_size_log2; - pthread_spin_init(&qhp->lock, PTHREAD_PROCESS_PRIVATE); - dbva = mmap(NULL, iwch_page_size, PROT_WRITE, MAP_SHARED, - pd->context->cmd_fd, resp.db_key & ~(iwch_page_mask)); - if (dbva == MAP_FAILED) - goto err3; - - qhp->wq.doorbell = dbva + (resp.db_key & (iwch_page_mask)); - qhp->wq.queue = mmap(NULL, t3_wq_memsize(&qhp->wq), - PROT_READ|PROT_WRITE, MAP_SHARED, - pd->context->cmd_fd, resp.key); - if (qhp->wq.queue == MAP_FAILED) - goto err4; - - qhp->wq.rq = calloc(t3_rq_depth(&qhp->wq), sizeof (uint64_t)); - if (!qhp->wq.rq) - goto err5; - - qhp->wq.sq = calloc(t3_sq_depth(&qhp->wq), sizeof (struct t3_swsq)); - if (!qhp->wq.sq) - goto err6; - - PDBG("%s dbva %p wqva %p wq memsize %d\n", __FUNCTION__, - qhp->wq.doorbell, qhp->wq.queue, t3_wq_memsize(&qhp->wq)); - - qhp->sq_sig_all = attr->sq_sig_all; - - pthread_spin_lock(&dev->lock); - dev->qpid2ptr[qhp->wq.qpid] = qhp; - pthread_spin_unlock(&dev->lock); - - return &qhp->ibv_qp; -err6: - free(qhp->wq.rq); -err5: - munmap((void *)qhp->wq.queue, t3_wq_memsize(&qhp->wq)); -err4: - munmap((void *)dbva, iwch_page_size); -err3: - (void)ibv_cmd_destroy_qp(&qhp->ibv_qp); -err2: - free(qhp); -err1: - return NULL; -} - -static void reset_qp(struct iwch_qp *qhp) -{ - PDBG("%s enter qp %p\n", __FUNCTION__, qhp); - qhp->wq.wptr = 0; - qhp->wq.rq_wptr = qhp->wq.rq_rptr = 0; - qhp->wq.sq_wptr = qhp->wq.sq_rptr = 0; - qhp->wq.error = 0; - qhp->wq.oldest_read = NULL; - memset(qhp->wq.queue, 0, t3_wq_memsize(&qhp->wq)); -} - -int iwch_modify_qp(struct ibv_qp *ibqp, struct ibv_qp_attr *attr, - int attr_mask) -{ - struct ibv_modify_qp cmd = {}; - struct iwch_qp *qhp = to_iwch_qp(ibqp); - int ret; - - PDBG("%s enter qp %p new state %d\n", __FUNCTION__, ibqp, attr_mask & IBV_QP_STATE ? attr->qp_state : -1); - pthread_spin_lock(&qhp->lock); - if (t3b_device(qhp->rhp) && t3_wq_in_error(&qhp->wq)) - iwch_flush_qp(qhp); - ret = ibv_cmd_modify_qp(ibqp, attr, attr_mask, &cmd, sizeof cmd); - if (!ret && (attr_mask & IBV_QP_STATE) && attr->qp_state == IBV_QPS_RESET) - reset_qp(qhp); - pthread_spin_unlock(&qhp->lock); - return ret; -} - -int iwch_destroy_qp(struct ibv_qp *ibqp) -{ - int ret; - struct iwch_qp *qhp = to_iwch_qp(ibqp); - struct iwch_device *dev = to_iwch_dev(ibqp->context->device); - void *dbva, *wqva; - unsigned wqsize; - - PDBG("%s enter qp %p\n", __FUNCTION__, ibqp); - if (t3b_device(dev)) { - pthread_spin_lock(&qhp->lock); - iwch_flush_qp(qhp); - pthread_spin_unlock(&qhp->lock); - } - - dbva = (void *)((unsigned long)qhp->wq.doorbell & ~(iwch_page_mask)); - wqva = qhp->wq.queue; - wqsize = t3_wq_memsize(&qhp->wq); - - munmap(dbva, iwch_page_size); - munmap(wqva, wqsize); - ret = ibv_cmd_destroy_qp(ibqp); - if (ret) { - return ret; - } - - pthread_spin_lock(&dev->lock); - dev->qpid2ptr[qhp->wq.qpid] = NULL; - pthread_spin_unlock(&dev->lock); - - free(qhp->wq.rq); - free(qhp->wq.sq); - free(qhp); - return 0; -} - -int iwch_query_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, - int attr_mask, struct ibv_qp_init_attr *init_attr) -{ - return -ENOSYS; -} - -struct ibv_ah *iwch_create_ah(struct ibv_pd *pd, struct ibv_ah_attr *attr) -{ - return NULL; -} - -int iwch_destroy_ah(struct ibv_ah *ah) -{ - return -ENOSYS; -} - -int iwch_attach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid) -{ - return -ENOSYS; -} - -int iwch_detach_mcast(struct ibv_qp *qp, const union ibv_gid *gid, uint16_t lid) -{ - return -ENOSYS; -} - -void t3b_async_event(struct ibv_context *context, - struct ibv_async_event *event) -{ - PDBG("%s type %d obj %p\n", __FUNCTION__, event->event_type, - event->element.cq); - - switch (event->event_type) { - case IBV_EVENT_CQ_ERR: - break; - case IBV_EVENT_QP_FATAL: - case IBV_EVENT_QP_REQ_ERR: - case IBV_EVENT_QP_ACCESS_ERR: - case IBV_EVENT_PATH_MIG_ERR: { - struct iwch_qp *qhp = to_iwch_qp(event->element.qp); - pthread_spin_lock(&qhp->lock); - iwch_flush_qp(qhp); - pthread_spin_unlock(&qhp->lock); - break; - } - case IBV_EVENT_SQ_DRAINED: - case IBV_EVENT_PATH_MIG: - case IBV_EVENT_COMM_EST: - case IBV_EVENT_QP_LAST_WQE_REACHED: - default: - break; - } -} -- 2.20.1
