diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma')
35 files changed, 241 insertions, 83 deletions
diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c index 42d1e97710..1ee7a4e0d8 100644 --- a/drivers/infiniband/hw/irdma/cm.c +++ b/drivers/infiniband/hw/irdma/cm.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "trace.h" diff --git a/drivers/infiniband/hw/irdma/cm.h b/drivers/infiniband/hw/irdma/cm.h index 7feadb3e1e..48ee285cf7 100644 --- a/drivers/infiniband/hw/irdma/cm.h +++ b/drivers/infiniband/hw/irdma/cm.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_CM_H #define IRDMA_CM_H diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c index 8a6200e55c..6aed6169c0 100644 --- a/drivers/infiniband/hw/irdma/ctrl.c +++ b/drivers/infiniband/hw/irdma/ctrl.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include <linux/etherdevice.h> diff --git a/drivers/infiniband/hw/irdma/defs.h b/drivers/infiniband/hw/irdma/defs.h index d06e45d2c2..2cb4b96db7 100644 --- a/drivers/infiniband/hw/irdma/defs.h +++ b/drivers/infiniband/hw/irdma/defs.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_DEFS_H #define IRDMA_DEFS_H @@ -346,6 +346,7 @@ enum irdma_cqp_op_type { #define IRDMA_AE_LLP_TOO_MANY_KEEPALIVE_RETRIES 0x050b #define IRDMA_AE_LLP_DOUBT_REACHABILITY 0x050c #define IRDMA_AE_LLP_CONNECTION_ESTABLISHED 0x050e +#define IRDMA_AE_LLP_TOO_MANY_RNRS 0x050f #define IRDMA_AE_RESOURCE_EXHAUSTION 0x0520 #define IRDMA_AE_RESET_SENT 0x0601 #define IRDMA_AE_TERMINATE_SENT 0x0602 diff --git a/drivers/infiniband/hw/irdma/hmc.c b/drivers/infiniband/hw/irdma/hmc.c index 49307ce8c4..ac58088a8e 100644 --- a/drivers/infiniband/hw/irdma/hmc.c +++ b/drivers/infiniband/hw/irdma/hmc.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "osdep.h" #include "hmc.h" diff --git a/drivers/infiniband/hw/irdma/hmc.h b/drivers/infiniband/hw/irdma/hmc.h index f5c5dacc70..415f9e23bb 100644 --- a/drivers/infiniband/hw/irdma/hmc.h +++ b/drivers/infiniband/hw/irdma/hmc.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2020 Intel Corporation */ #ifndef IRDMA_HMC_H #define IRDMA_HMC_H diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 564c9188e1..ad50b77282 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" @@ -387,6 +387,7 @@ static void irdma_process_aeq(struct irdma_pci_f *rf) case IRDMA_AE_LLP_TOO_MANY_RETRIES: case IRDMA_AE_LCE_QP_CATASTROPHIC: case IRDMA_AE_LCE_FUNCTION_CATASTROPHIC: + case IRDMA_AE_LLP_TOO_MANY_RNRS: case IRDMA_AE_LCE_CQ_CATASTROPHIC: case IRDMA_AE_UDA_XMIT_DGRAM_TOO_LONG: default: @@ -570,6 +571,13 @@ static void irdma_destroy_irq(struct irdma_pci_f *rf, dev->irq_ops->irdma_dis_irq(dev, msix_vec->idx); irq_update_affinity_hint(msix_vec->irq, NULL); free_irq(msix_vec->irq, dev_id); + if (rf == dev_id) { + tasklet_kill(&rf->dpc_tasklet); + } else { + struct irdma_ceq *iwceq = (struct irdma_ceq *)dev_id; + + tasklet_kill(&iwceq->dpc_tasklet); + } } /** diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.c b/drivers/infiniband/hw/irdma/i40iw_hw.c index 638d127fb3..ce61a27cb1 100644 --- a/drivers/infiniband/hw/irdma/i40iw_hw.c +++ b/drivers/infiniband/hw/irdma/i40iw_hw.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "osdep.h" #include "type.h" diff --git a/drivers/infiniband/hw/irdma/i40iw_hw.h b/drivers/infiniband/hw/irdma/i40iw_hw.h index 10afc165f5..e1db84d8a6 100644 --- a/drivers/infiniband/hw/irdma/i40iw_hw.h +++ b/drivers/infiniband/hw/irdma/i40iw_hw.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef I40IW_HW_H #define I40IW_HW_H diff --git a/drivers/infiniband/hw/irdma/i40iw_if.c b/drivers/infiniband/hw/irdma/i40iw_if.c index 4053ead324..cc50a70703 100644 --- a/drivers/infiniband/hw/irdma/i40iw_if.c +++ b/drivers/infiniband/hw/irdma/i40iw_if.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "i40iw_hw.h" @@ -186,7 +186,7 @@ static int i40iw_probe(struct auxiliary_device *aux_dev, const struct auxiliary_ aux_dev); struct i40e_info *cdev_info = i40e_adev->ldev; - strncpy(i40iw_client.name, "irdma", I40E_CLIENT_STR_LENGTH); + strscpy_pad(i40iw_client.name, "irdma", I40E_CLIENT_STR_LENGTH); i40e_client_device_register(cdev_info, &i40iw_client); return 0; diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.c b/drivers/infiniband/hw/irdma/icrdma_hw.c index 10ccf4bc3f..941d3edffa 100644 --- a/drivers/infiniband/hw/irdma/icrdma_hw.c +++ b/drivers/infiniband/hw/irdma/icrdma_hw.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2017 - 2021 Intel Corporation */ #include "osdep.h" #include "type.h" diff --git a/drivers/infiniband/hw/irdma/icrdma_hw.h b/drivers/infiniband/hw/irdma/icrdma_hw.h index 54035a08cc..697b9572b5 100644 --- a/drivers/infiniband/hw/irdma/icrdma_hw.h +++ b/drivers/infiniband/hw/irdma/icrdma_hw.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2017 - 2021 Intel Corporation */ #ifndef ICRDMA_HW_H #define ICRDMA_HW_H diff --git a/drivers/infiniband/hw/irdma/irdma.h b/drivers/infiniband/hw/irdma/irdma.h index 3237fa64bc..20d2e7393e 100644 --- a/drivers/infiniband/hw/irdma/irdma.h +++ b/drivers/infiniband/hw/irdma/irdma.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2017 - 2021 Intel Corporation */ #ifndef IRDMA_H #define IRDMA_H diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c index be1030d1ad..3f13200ff7 100644 --- a/drivers/infiniband/hw/irdma/main.c +++ b/drivers/infiniband/hw/irdma/main.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" #include "../../../net/ethernet/intel/ice/ice.h" diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h index cbf0db72e1..b65bc2ea54 100644 --- a/drivers/infiniband/hw/irdma/main.h +++ b/drivers/infiniband/hw/irdma/main.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_MAIN_H #define IRDMA_MAIN_H diff --git a/drivers/infiniband/hw/irdma/osdep.h b/drivers/infiniband/hw/irdma/osdep.h index fc1ba2a3e6..e1e3d3ae72 100644 --- a/drivers/infiniband/hw/irdma/osdep.h +++ b/drivers/infiniband/hw/irdma/osdep.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_OSDEP_H #define IRDMA_OSDEP_H diff --git a/drivers/infiniband/hw/irdma/pble.c b/drivers/infiniband/hw/irdma/pble.c index c0bef11436..e7ce684075 100644 --- a/drivers/infiniband/hw/irdma/pble.c +++ b/drivers/infiniband/hw/irdma/pble.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "osdep.h" #include "hmc.h" diff --git a/drivers/infiniband/hw/irdma/pble.h b/drivers/infiniband/hw/irdma/pble.h index b31b7c5d66..160ad728e9 100644 --- a/drivers/infiniband/hw/irdma/pble.h +++ b/drivers/infiniband/hw/irdma/pble.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2019 Intel Corporation */ #ifndef IRDMA_PBLE_H #define IRDMA_PBLE_H diff --git a/drivers/infiniband/hw/irdma/protos.h b/drivers/infiniband/hw/irdma/protos.h index 113096b603..d7c8ea948b 100644 --- a/drivers/infiniband/hw/irdma/protos.h +++ b/drivers/infiniband/hw/irdma/protos.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2016 - 2021 Intel Corporation */ #ifndef IRDMA_PROTOS_H #define IRDMA_PROTOS_H diff --git a/drivers/infiniband/hw/irdma/puda.c b/drivers/infiniband/hw/irdma/puda.c index 562531712e..7e3f9bca2c 100644 --- a/drivers/infiniband/hw/irdma/puda.c +++ b/drivers/infiniband/hw/irdma/puda.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "osdep.h" #include "hmc.h" diff --git a/drivers/infiniband/hw/irdma/puda.h b/drivers/infiniband/hw/irdma/puda.h index 5f5124db6d..bc6d9514c9 100644 --- a/drivers/infiniband/hw/irdma/puda.h +++ b/drivers/infiniband/hw/irdma/puda.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2020 Intel Corporation */ #ifndef IRDMA_PUDA_H #define IRDMA_PUDA_H diff --git a/drivers/infiniband/hw/irdma/trace.c b/drivers/infiniband/hw/irdma/trace.c index b5133f4137..fc2f566977 100644 --- a/drivers/infiniband/hw/irdma/trace.c +++ b/drivers/infiniband/hw/irdma/trace.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2019 Intel Corporation */ #define CREATE_TRACE_POINTS #include "trace.h" diff --git a/drivers/infiniband/hw/irdma/trace.h b/drivers/infiniband/hw/irdma/trace.h index 702e4efb01..b8085a66b9 100644 --- a/drivers/infiniband/hw/irdma/trace.h +++ b/drivers/infiniband/hw/irdma/trace.h @@ -1,3 +1,3 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2019 Intel Corporation */ #include "trace_cm.h" diff --git a/drivers/infiniband/hw/irdma/trace_cm.h b/drivers/infiniband/hw/irdma/trace_cm.h index f633fb3433..0d1699b552 100644 --- a/drivers/infiniband/hw/irdma/trace_cm.h +++ b/drivers/infiniband/hw/irdma/trace_cm.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2019 - 2021 Intel Corporation */ #if !defined(__TRACE_CM_H) || defined(TRACE_HEADER_MULTI_READ) #define __TRACE_CM_H diff --git a/drivers/infiniband/hw/irdma/type.h b/drivers/infiniband/hw/irdma/type.h index c84ec4dd85..59b34afa86 100644 --- a/drivers/infiniband/hw/irdma/type.h +++ b/drivers/infiniband/hw/irdma/type.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_TYPE_H #define IRDMA_TYPE_H diff --git a/drivers/infiniband/hw/irdma/uda.c b/drivers/infiniband/hw/irdma/uda.c index 284cec2a74..84051266d9 100644 --- a/drivers/infiniband/hw/irdma/uda.c +++ b/drivers/infiniband/hw/irdma/uda.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2016 - 2021 Intel Corporation */ #include <linux/etherdevice.h> diff --git a/drivers/infiniband/hw/irdma/uda.h b/drivers/infiniband/hw/irdma/uda.h index fe4820ff0c..27b8701cf2 100644 --- a/drivers/infiniband/hw/irdma/uda.h +++ b/drivers/infiniband/hw/irdma/uda.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2016 - 2021 Intel Corporation */ #ifndef IRDMA_UDA_H #define IRDMA_UDA_H diff --git a/drivers/infiniband/hw/irdma/uda_d.h b/drivers/infiniband/hw/irdma/uda_d.h index bfc81cac2c..5a9e6eabf0 100644 --- a/drivers/infiniband/hw/irdma/uda_d.h +++ b/drivers/infiniband/hw/irdma/uda_d.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2016 - 2021 Intel Corporation */ #ifndef IRDMA_UDA_D_H #define IRDMA_UDA_D_H diff --git a/drivers/infiniband/hw/irdma/uk.c b/drivers/infiniband/hw/irdma/uk.c index d8285ca162..38c54e59cc 100644 --- a/drivers/infiniband/hw/irdma/uk.c +++ b/drivers/infiniband/hw/irdma/uk.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "osdep.h" #include "defs.h" diff --git a/drivers/infiniband/hw/irdma/user.h b/drivers/infiniband/hw/irdma/user.h index 36feca57b2..380e4a47ae 100644 --- a/drivers/infiniband/hw/irdma/user.h +++ b/drivers/infiniband/hw/irdma/user.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2020 Intel Corporation */ #ifndef IRDMA_USER_H #define IRDMA_USER_H diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index 6cd5cb85da..916bfe2a91 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 2f1bedd3a5..0b046c0617 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2015 - 2021 Intel Corporation */ #include "main.h" @@ -839,7 +839,9 @@ static int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr, if (init_attr->cap.max_inline_data > uk_attrs->max_hw_inline || init_attr->cap.max_send_sge > uk_attrs->max_hw_wq_frags || - init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags) + init_attr->cap.max_recv_sge > uk_attrs->max_hw_wq_frags || + init_attr->cap.max_send_wr > uk_attrs->max_hw_wq_quanta || + init_attr->cap.max_recv_wr > uk_attrs->max_hw_rq_quanta) return -EINVAL; if (rdma_protocol_roce(&iwdev->ibdev, 1)) { @@ -2184,9 +2186,8 @@ static int irdma_create_cq(struct ib_cq *ibcq, info.cq_base_pa = iwcq->kmem.pa; } - if (dev->hw_attrs.uk_attrs.hw_rev >= IRDMA_GEN_2) - info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2, - (u32)IRDMA_MAX_CQ_READ_THRESH); + info.shadow_read_threshold = min(info.cq_uk_init_info.cq_size / 2, + (u32)IRDMA_MAX_CQ_READ_THRESH); if (irdma_sc_cq_init(cq, &info)) { ibdev_dbg(&iwdev->ibdev, "VERBS: init cq fail\n"); @@ -2663,8 +2664,11 @@ static int irdma_hw_alloc_stag(struct irdma_device *iwdev, cqp_info->in.u.alloc_stag.scratch = (uintptr_t)cqp_request; status = irdma_handle_cqp_op(iwdev->rf, cqp_request); irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request); + if (status) + return status; - return status; + iwmr->is_hwreg = 1; + return 0; } /** @@ -2830,14 +2834,18 @@ static int irdma_hwreg_mr(struct irdma_device *iwdev, struct irdma_mr *iwmr, ret = irdma_handle_cqp_op(iwdev->rf, cqp_request); irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request); + if (!ret) + iwmr->is_hwreg = 1; + return ret; } -static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access) +static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access, + bool create_stag) { struct irdma_device *iwdev = to_iwdev(iwmr->ibmr.device); struct irdma_pbl *iwpbl = &iwmr->iwpbl; - u32 stag; + u32 stag = 0; u8 lvl; int err; @@ -2856,15 +2864,18 @@ static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access) } } - stag = irdma_create_stag(iwdev); - if (!stag) { - err = -ENOMEM; - goto free_pble; + if (create_stag) { + stag = irdma_create_stag(iwdev); + if (!stag) { + err = -ENOMEM; + goto free_pble; + } + + iwmr->stag = stag; + iwmr->ibmr.rkey = stag; + iwmr->ibmr.lkey = stag; } - iwmr->stag = stag; - iwmr->ibmr.rkey = stag; - iwmr->ibmr.lkey = stag; err = irdma_hwreg_mr(iwdev, iwmr, access); if (err) goto err_hwreg; @@ -2872,7 +2883,8 @@ static int irdma_reg_user_mr_type_mem(struct irdma_mr *iwmr, int access) return 0; err_hwreg: - irdma_free_stag(iwdev, stag); + if (stag) + irdma_free_stag(iwdev, stag); free_pble: if (iwpbl->pble_alloc.level != PBLE_LEVEL_0 && iwpbl->pbl_allocated) @@ -3052,7 +3064,7 @@ static struct ib_mr *irdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 len, goto error; break; case IRDMA_MEMREG_TYPE_MEM: - err = irdma_reg_user_mr_type_mem(iwmr, access); + err = irdma_reg_user_mr_type_mem(iwmr, access, true); if (err) goto error; @@ -3096,7 +3108,7 @@ static struct ib_mr *irdma_reg_user_mr_dmabuf(struct ib_pd *pd, u64 start, goto err_release; } - err = irdma_reg_user_mr_type_mem(iwmr, access); + err = irdma_reg_user_mr_type_mem(iwmr, access, true); if (err) goto err_iwmr; @@ -3111,6 +3123,161 @@ err_release: return ERR_PTR(err); } +static int irdma_hwdereg_mr(struct ib_mr *ib_mr) +{ + struct irdma_device *iwdev = to_iwdev(ib_mr->device); + struct irdma_mr *iwmr = to_iwmr(ib_mr); + struct irdma_pd *iwpd = to_iwpd(ib_mr->pd); + struct irdma_dealloc_stag_info *info; + struct irdma_pbl *iwpbl = &iwmr->iwpbl; + struct irdma_cqp_request *cqp_request; + struct cqp_cmds_info *cqp_info; + int status; + + /* Skip HW MR de-register when it is already de-registered + * during an MR re-reregister and the re-registration fails + */ + if (!iwmr->is_hwreg) + return 0; + + cqp_request = irdma_alloc_and_get_cqp_request(&iwdev->rf->cqp, true); + if (!cqp_request) + return -ENOMEM; + + cqp_info = &cqp_request->info; + info = &cqp_info->in.u.dealloc_stag.info; + memset(info, 0, sizeof(*info)); + info->pd_id = iwpd->sc_pd.pd_id; + info->stag_idx = ib_mr->rkey >> IRDMA_CQPSQ_STAG_IDX_S; + info->mr = true; + if (iwpbl->pbl_allocated) + info->dealloc_pbl = true; + + cqp_info->cqp_cmd = IRDMA_OP_DEALLOC_STAG; + cqp_info->post_sq = 1; + cqp_info->in.u.dealloc_stag.dev = &iwdev->rf->sc_dev; + cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request; + status = irdma_handle_cqp_op(iwdev->rf, cqp_request); + irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request); + if (status) + return status; + + iwmr->is_hwreg = 0; + return 0; +} + +/* + * irdma_rereg_mr_trans - Re-register a user MR for a change translation. + * @iwmr: ptr of iwmr + * @start: virtual start address + * @len: length of mr + * @virt: virtual address + * + * Re-register a user memory region when a change translation is requested. + * Re-register a new region while reusing the stag from the original registration. + */ +static int irdma_rereg_mr_trans(struct irdma_mr *iwmr, u64 start, u64 len, + u64 virt) +{ + struct irdma_device *iwdev = to_iwdev(iwmr->ibmr.device); + struct irdma_pbl *iwpbl = &iwmr->iwpbl; + struct ib_pd *pd = iwmr->ibmr.pd; + struct ib_umem *region; + int err; + + region = ib_umem_get(pd->device, start, len, iwmr->access); + if (IS_ERR(region)) + return PTR_ERR(region); + + iwmr->region = region; + iwmr->ibmr.iova = virt; + iwmr->ibmr.pd = pd; + iwmr->page_size = ib_umem_find_best_pgsz(region, + iwdev->rf->sc_dev.hw_attrs.page_size_cap, + virt); + if (unlikely(!iwmr->page_size)) { + err = -EOPNOTSUPP; + goto err; + } + + iwmr->len = region->length; + iwpbl->user_base = virt; + iwmr->page_cnt = ib_umem_num_dma_blocks(region, iwmr->page_size); + + err = irdma_reg_user_mr_type_mem(iwmr, iwmr->access, false); + if (err) + goto err; + + return 0; + +err: + ib_umem_release(region); + return err; +} + +/* + * irdma_rereg_user_mr - Re-Register a user memory region(MR) + * @ibmr: ib mem to access iwarp mr pointer + * @flags: bit mask to indicate which of the attr's of MR modified + * @start: virtual start address + * @len: length of mr + * @virt: virtual address + * @new_access: bit mask of access flags + * @new_pd: ptr of pd + * @udata: user data + * + * Return: + * NULL - Success, existing MR updated + * ERR_PTR - error occurred + */ +static struct ib_mr *irdma_rereg_user_mr(struct ib_mr *ib_mr, int flags, + u64 start, u64 len, u64 virt, + int new_access, struct ib_pd *new_pd, + struct ib_udata *udata) +{ + struct irdma_device *iwdev = to_iwdev(ib_mr->device); + struct irdma_mr *iwmr = to_iwmr(ib_mr); + struct irdma_pbl *iwpbl = &iwmr->iwpbl; + int ret; + + if (len > iwdev->rf->sc_dev.hw_attrs.max_mr_size) + return ERR_PTR(-EINVAL); + + if (flags & ~(IB_MR_REREG_TRANS | IB_MR_REREG_PD | IB_MR_REREG_ACCESS)) + return ERR_PTR(-EOPNOTSUPP); + + ret = irdma_hwdereg_mr(ib_mr); + if (ret) + return ERR_PTR(ret); + + if (flags & IB_MR_REREG_ACCESS) + iwmr->access = new_access; + + if (flags & IB_MR_REREG_PD) { + iwmr->ibmr.pd = new_pd; + iwmr->ibmr.device = new_pd->device; + } + + if (flags & IB_MR_REREG_TRANS) { + if (iwpbl->pbl_allocated) { + irdma_free_pble(iwdev->rf->pble_rsrc, + &iwpbl->pble_alloc); + iwpbl->pbl_allocated = false; + } + if (iwmr->region) { + ib_umem_release(iwmr->region); + iwmr->region = NULL; + } + + ret = irdma_rereg_mr_trans(iwmr, start, len, virt); + } else + ret = irdma_hwreg_mr(iwdev, iwmr, iwmr->access); + if (ret) + return ERR_PTR(ret); + + return NULL; +} + /** * irdma_reg_phys_mr - register kernel physical memory * @pd: ibpd pointer @@ -3218,16 +3385,10 @@ static void irdma_del_memlist(struct irdma_mr *iwmr, */ static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata) { - struct ib_pd *ibpd = ib_mr->pd; - struct irdma_pd *iwpd = to_iwpd(ibpd); struct irdma_mr *iwmr = to_iwmr(ib_mr); struct irdma_device *iwdev = to_iwdev(ib_mr->device); - struct irdma_dealloc_stag_info *info; struct irdma_pbl *iwpbl = &iwmr->iwpbl; - struct irdma_pble_alloc *palloc = &iwpbl->pble_alloc; - struct irdma_cqp_request *cqp_request; - struct cqp_cmds_info *cqp_info; - int status; + int ret; if (iwmr->type != IRDMA_MEMREG_TYPE_MEM) { if (iwmr->region) { @@ -3241,33 +3402,18 @@ static int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata) goto done; } - cqp_request = irdma_alloc_and_get_cqp_request(&iwdev->rf->cqp, true); - if (!cqp_request) - return -ENOMEM; - - cqp_info = &cqp_request->info; - info = &cqp_info->in.u.dealloc_stag.info; - memset(info, 0, sizeof(*info)); - info->pd_id = iwpd->sc_pd.pd_id; - info->stag_idx = ib_mr->rkey >> IRDMA_CQPSQ_STAG_IDX_S; - info->mr = true; - if (iwpbl->pbl_allocated) - info->dealloc_pbl = true; - - cqp_info->cqp_cmd = IRDMA_OP_DEALLOC_STAG; - cqp_info->post_sq = 1; - cqp_info->in.u.dealloc_stag.dev = &iwdev->rf->sc_dev; - cqp_info->in.u.dealloc_stag.scratch = (uintptr_t)cqp_request; - status = irdma_handle_cqp_op(iwdev->rf, cqp_request); - irdma_put_cqp_request(&iwdev->rf->cqp, cqp_request); - if (status) - return status; + ret = irdma_hwdereg_mr(ib_mr); + if (ret) + return ret; irdma_free_stag(iwdev, iwmr->stag); done: if (iwpbl->pbl_allocated) - irdma_free_pble(iwdev->rf->pble_rsrc, palloc); - ib_umem_release(iwmr->region); + irdma_free_pble(iwdev->rf->pble_rsrc, &iwpbl->pble_alloc); + + if (iwmr->region) + ib_umem_release(iwmr->region); + kfree(iwmr); return 0; @@ -4597,6 +4743,7 @@ static const struct ib_device_ops irdma_dev_ops = { .query_qp = irdma_query_qp, .reg_user_mr = irdma_reg_user_mr, .reg_user_mr_dmabuf = irdma_reg_user_mr_dmabuf, + .rereg_user_mr = irdma_rereg_user_mr, .req_notify_cq = irdma_req_notify_cq, .resize_cq = irdma_resize_cq, INIT_RDMA_OBJ_SIZE(ib_pd, irdma_pd, ibpd), diff --git a/drivers/infiniband/hw/irdma/verbs.h b/drivers/infiniband/hw/irdma/verbs.h index 20297a14c9..cfa140b363 100644 --- a/drivers/infiniband/hw/irdma/verbs.h +++ b/drivers/infiniband/hw/irdma/verbs.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2021 Intel Corporation */ #ifndef IRDMA_VERBS_H #define IRDMA_VERBS_H @@ -100,6 +100,8 @@ struct irdma_mr { struct ib_mw ibmw; }; struct ib_umem *region; + int access; + u8 is_hwreg; u16 type; u32 page_cnt; u64 page_size; diff --git a/drivers/infiniband/hw/irdma/ws.c b/drivers/infiniband/hw/irdma/ws.c index 20bc8d0d7f..542bc0b1bb 100644 --- a/drivers/infiniband/hw/irdma/ws.c +++ b/drivers/infiniband/hw/irdma/ws.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* Copyright (c) 2017 - 2021 Intel Corporation */ #include "osdep.h" #include "hmc.h" diff --git a/drivers/infiniband/hw/irdma/ws.h b/drivers/infiniband/hw/irdma/ws.h index d431e3327d..45490031a3 100644 --- a/drivers/infiniband/hw/irdma/ws.h +++ b/drivers/infiniband/hw/irdma/ws.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* Copyright (c) 2015 - 2020 Intel Corporation */ #ifndef IRDMA_WS_H #define IRDMA_WS_H |