diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cmd.c | 268 |
1 files changed, 60 insertions, 208 deletions
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c index 4c26492ab8a3..ff3742b0460a 100644 --- a/drivers/infiniband/hw/mlx5/cmd.c +++ b/drivers/infiniband/hw/mlx5/cmd.c @@ -1,46 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* - * Copyright (c) 2017, Mellanox Technologies. 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. + * Copyright (c) 2017-2020, Mellanox Technologies inc. All rights reserved. */ #include "cmd.h" int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey) { - u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {0}; - u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {0}; + u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; + u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; int err; MLX5_SET(query_special_contexts_in, in, opcode, MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); if (!err) *mkey = MLX5_GET(query_special_contexts_out, out, dump_fill_mkey); @@ -50,12 +23,12 @@ int mlx5_cmd_dump_fill_mkey(struct mlx5_core_dev *dev, u32 *mkey) int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey) { u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {}; - u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; + u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {}; int err; MLX5_SET(query_special_contexts_in, in, opcode, MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS); - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + err = mlx5_cmd_exec_inout(dev, query_special_contexts, in, out); if (!err) *null_mkey = MLX5_GET(query_special_contexts_out, out, null_mkey); @@ -63,184 +36,59 @@ int mlx5_cmd_null_mkey(struct mlx5_core_dev *dev, u32 *null_mkey) } int mlx5_cmd_query_cong_params(struct mlx5_core_dev *dev, int cong_point, - void *out, int out_size) + void *out) { - u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = { }; + u32 in[MLX5_ST_SZ_DW(query_cong_params_in)] = {}; MLX5_SET(query_cong_params_in, in, opcode, MLX5_CMD_OP_QUERY_CONG_PARAMS); MLX5_SET(query_cong_params_in, in, cong_protocol, cong_point); - return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size); -} - -int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *dev, - void *in, int in_size) -{ - u32 out[MLX5_ST_SZ_DW(modify_cong_params_out)] = { }; - - return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out)); -} - -int mlx5_cmd_alloc_memic(struct mlx5_dm *dm, phys_addr_t *addr, - u64 length, u32 alignment) -{ - struct mlx5_core_dev *dev = dm->dev; - u64 num_memic_hw_pages = MLX5_CAP_DEV_MEM(dev, memic_bar_size) - >> PAGE_SHIFT; - u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr); - u32 max_alignment = MLX5_CAP_DEV_MEM(dev, log_max_memic_addr_alignment); - u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE); - u32 out[MLX5_ST_SZ_DW(alloc_memic_out)] = {}; - u32 in[MLX5_ST_SZ_DW(alloc_memic_in)] = {}; - u32 mlx5_alignment; - u64 page_idx = 0; - int ret = 0; - - if (!length || (length & MLX5_MEMIC_ALLOC_SIZE_MASK)) - return -EINVAL; - - /* mlx5 device sets alignment as 64*2^driver_value - * so normalizing is needed. - */ - mlx5_alignment = (alignment < MLX5_MEMIC_BASE_ALIGN) ? 0 : - alignment - MLX5_MEMIC_BASE_ALIGN; - if (mlx5_alignment > max_alignment) - return -EINVAL; - - MLX5_SET(alloc_memic_in, in, opcode, MLX5_CMD_OP_ALLOC_MEMIC); - MLX5_SET(alloc_memic_in, in, range_size, num_pages * PAGE_SIZE); - MLX5_SET(alloc_memic_in, in, memic_size, length); - MLX5_SET(alloc_memic_in, in, log_memic_addr_alignment, - mlx5_alignment); - - while (page_idx < num_memic_hw_pages) { - spin_lock(&dm->lock); - page_idx = bitmap_find_next_zero_area(dm->memic_alloc_pages, - num_memic_hw_pages, - page_idx, - num_pages, 0); - - if (page_idx < num_memic_hw_pages) - bitmap_set(dm->memic_alloc_pages, - page_idx, num_pages); - - spin_unlock(&dm->lock); - - if (page_idx >= num_memic_hw_pages) - break; - - MLX5_SET64(alloc_memic_in, in, range_start_addr, - hw_start_addr + (page_idx * PAGE_SIZE)); - - ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); - if (ret) { - spin_lock(&dm->lock); - bitmap_clear(dm->memic_alloc_pages, - page_idx, num_pages); - spin_unlock(&dm->lock); - - if (ret == -EAGAIN) { - page_idx++; - continue; - } - - return ret; - } - - *addr = dev->bar_addr + - MLX5_GET64(alloc_memic_out, out, memic_start_addr); - - return 0; - } - - return -ENOMEM; -} - -void mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, u64 length) -{ - struct mlx5_core_dev *dev = dm->dev; - u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr); - u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE); - u32 out[MLX5_ST_SZ_DW(dealloc_memic_out)] = {0}; - u32 in[MLX5_ST_SZ_DW(dealloc_memic_in)] = {0}; - u64 start_page_idx; - int err; - - addr -= dev->bar_addr; - start_page_idx = (addr - hw_start_addr) >> PAGE_SHIFT; - - MLX5_SET(dealloc_memic_in, in, opcode, MLX5_CMD_OP_DEALLOC_MEMIC); - MLX5_SET64(dealloc_memic_in, in, memic_start_addr, addr); - MLX5_SET(dealloc_memic_in, in, memic_size, length); - - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); - if (err) - return; - - spin_lock(&dm->lock); - bitmap_clear(dm->memic_alloc_pages, - start_page_idx, num_pages); - spin_unlock(&dm->lock); -} - -int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out) -{ - u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {}; - int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); - - MLX5_SET(ppcnt_reg, in, local_port, 1); - - MLX5_SET(ppcnt_reg, in, grp, MLX5_ETHERNET_EXTENDED_COUNTERS_GROUP); - return mlx5_core_access_reg(dev, in, sz, out, sz, MLX5_REG_PPCNT, - 0, 0); + return mlx5_cmd_exec_inout(dev, query_cong_params, in, out); } void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid) { - u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {}; - u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {}; + u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {}; MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR); MLX5_SET(destroy_tir_in, in, tirn, tirn); MLX5_SET(destroy_tir_in, in, uid, uid); - mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + mlx5_cmd_exec_in(dev, destroy_tir, in); } void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid) { - u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {0}; - u32 out[MLX5_ST_SZ_DW(destroy_tis_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {}; MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS); MLX5_SET(destroy_tis_in, in, tisn, tisn); MLX5_SET(destroy_tis_in, in, uid, uid); - mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + mlx5_cmd_exec_in(dev, destroy_tis, in); } -void mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid) +int mlx5_cmd_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn, u16 uid) { - u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {}; - u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {}; + u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {}; MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT); MLX5_SET(destroy_rqt_in, in, rqtn, rqtn); MLX5_SET(destroy_rqt_in, in, uid, uid); - mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + return mlx5_cmd_exec_in(dev, destroy_rqt, in); } int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn, u16 uid) { - u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0}; - u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {}; + u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {}; int err; MLX5_SET(alloc_transport_domain_in, in, opcode, MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN); MLX5_SET(alloc_transport_domain_in, in, uid, uid); - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out); if (!err) *tdn = MLX5_GET(alloc_transport_domain_out, out, transport_domain); @@ -251,32 +99,29 @@ int mlx5_cmd_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn, void mlx5_cmd_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn, u16 uid) { - u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {0}; - u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0}; + u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {}; MLX5_SET(dealloc_transport_domain_in, in, opcode, MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN); MLX5_SET(dealloc_transport_domain_in, in, uid, uid); MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn); - mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + mlx5_cmd_exec_in(dev, dealloc_transport_domain, in); } -void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid) +int mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid) { - u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {}; - u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {}; + u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {}; MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD); MLX5_SET(dealloc_pd_in, in, pd, pdn); MLX5_SET(dealloc_pd_in, in, uid, uid); - mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + return mlx5_cmd_exec_in(dev, dealloc_pd, in); } int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn, u16 uid) { - u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {}; - u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {}; + u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {}; void *gid; MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG); @@ -284,14 +129,13 @@ int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, MLX5_SET(attach_to_mcg_in, in, uid, uid); gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid); memcpy(gid, mgid, sizeof(*mgid)); - return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + return mlx5_cmd_exec_in(dev, attach_to_mcg, in); } int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn, u16 uid) { - u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {}; - u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {}; + u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {}; void *gid; MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); @@ -299,18 +143,18 @@ int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, MLX5_SET(detach_from_mcg_in, in, uid, uid); gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid); memcpy(gid, mgid, sizeof(*mgid)); - return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + return mlx5_cmd_exec_in(dev, detach_from_mcg, in); } int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid) { u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {}; - u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {}; + u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {}; int err; MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD); MLX5_SET(alloc_xrcd_in, in, uid, uid); - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); + err = mlx5_cmd_exec_inout(dev, alloc_xrcd, in, out); if (!err) *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd); return err; @@ -318,30 +162,12 @@ int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid) int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid) { - u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {}; - u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {}; + u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {}; MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD); MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn); MLX5_SET(dealloc_xrcd_in, in, uid, uid); - return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); -} - -int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id, - u16 uid) -{ - u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0}; - u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0}; - int err; - - MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER); - MLX5_SET(alloc_q_counter_in, in, uid, uid); - - err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); - if (!err) - *counter_id = MLX5_GET(alloc_q_counter_out, out, - counter_set_id); - return err; + return mlx5_cmd_exec_in(dev, dealloc_xrcd, in); } int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, @@ -367,7 +193,7 @@ int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, data = MLX5_ADDR_OF(mad_ifc_in, in, mad); memcpy(data, inb, MLX5_FLD_SZ_BYTES(mad_ifc_in, mad)); - err = mlx5_cmd_exec(dev, in, inlen, out, outlen); + err = mlx5_cmd_exec_inout(dev, mad_ifc, in, out); if (err) goto out; @@ -380,3 +206,29 @@ out: kfree(in); return err; } + +int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid) +{ + u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {}; + u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {}; + int err; + + MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR); + MLX5_SET(alloc_uar_in, in, uid, uid); + err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out); + if (err) + return err; + + *uarn = MLX5_GET(alloc_uar_out, out, uar); + return 0; +} + +int mlx5_cmd_uar_dealloc(struct mlx5_core_dev *dev, u32 uarn, u16 uid) +{ + u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {}; + + MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR); + MLX5_SET(dealloc_uar_in, in, uar, uarn); + MLX5_SET(dealloc_uar_in, in, uid, uid); + return mlx5_cmd_exec_in(dev, dealloc_uar, in); +} |