// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
/*
* Copyright 2018-2026 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#include "efa_com.h"
#include "efa_com_cmd.h"
#define EFA_DEFAULT_LINK_SPEED_GBPS 100
int efa_com_create_qp(struct efa_com_dev *edev,
struct efa_com_create_qp_params *params,
struct efa_com_create_qp_result *res)
{
struct efa_admin_create_qp_cmd create_qp_cmd = {};
struct efa_admin_create_qp_resp cmd_completion;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
create_qp_cmd.pd = params->pd;
create_qp_cmd.qp_type = params->qp_type;
create_qp_cmd.rq_base_addr = params->rq_base_addr;
create_qp_cmd.send_cq_idx = params->send_cq_idx;
create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
create_qp_cmd.qp_alloc_size.send_queue_ring_size =
params->sq_ring_size_in_bytes;
create_qp_cmd.qp_alloc_size.send_queue_depth =
params->sq_depth;
create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
params->rq_ring_size_in_bytes;
create_qp_cmd.qp_alloc_size.recv_queue_depth =
params->rq_depth;
create_qp_cmd.uar = params->uarn;
create_qp_cmd.sl = params->sl;
if (params->unsolicited_write_recv)
EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1);
if (params->sq_64_bit_req_id)
EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_SQ_64_BIT_REQ_ID, 1);
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&create_qp_cmd,
sizeof(create_qp_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to create qp [%d]\n", err);
return err;
}
res->qp_handle = cmd_completion.qp_handle;
res->qp_num = cmd_completion.qp_num;
res->sq_db_offset = cmd_completion.sq_db_offset;
res->rq_db_offset = cmd_completion.rq_db_offset;
res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
return 0;
}
int efa_com_modify_qp(struct efa_com_dev *edev,
struct efa_com_modify_qp_params *params)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_modify_qp_cmd cmd = {};
struct efa_admin_modify_qp_resp resp;
int err;
cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
cmd.modify_mask = params->modify_mask;
cmd.qp_handle = params->qp_handle;
cmd.qp_state = params->qp_state;
cmd.cur_qp_state = params->cur_qp_state;
cmd.qkey = params->qkey;
cmd.sq_psn = params->sq_psn;
cmd.sq_drained_async_notify = params->sq_drained_async_notify;
cmd.rnr_retry = params->rnr_retry;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to modify qp-%u modify_mask[%#x] [%d]\n",
cmd.qp_handle, cmd.modify_mask, err);
return err;
}
return 0;
}
int efa_com_query_qp(struct efa_com_dev *edev,
struct efa_com_query_qp_params *params,
struct efa_com_query_qp_result *result)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_query_qp_cmd cmd = {};
struct efa_admin_query_qp_resp resp;
int err;
cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
cmd.qp_handle = params->qp_handle;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to query qp-%u [%d]\n",
cmd.qp_handle, err);
return err;
}
result->qp_state = resp.qp_state;
result->qkey = resp.qkey;
result->sq_draining = resp.sq_draining;
result->sq_psn = resp.sq_psn;
result->rnr_retry = resp.rnr_retry;
return 0;
}
int efa_com_destroy_qp(struct efa_com_dev *edev,
struct efa_com_destroy_qp_params *params)
{
struct efa_admin_destroy_qp_resp cmd_completion;
struct efa_admin_destroy_qp_cmd qp_cmd = {};
struct efa_com_admin_queue *aq = &edev->aq;
int err;
qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
qp_cmd.qp_handle = params->qp_handle;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&qp_cmd,
sizeof(qp_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to destroy qp-%u [%d]\n",
qp_cmd.qp_handle, err);
return err;
}
return 0;
}
int efa_com_create_cq(struct efa_com_dev *edev,
struct efa_com_create_cq_params *params,
struct efa_com_create_cq_result *result)
{
struct efa_admin_create_cq_resp cmd_completion = {};
struct efa_admin_create_cq_cmd create_cmd = {};
struct efa_com_admin_queue *aq = &edev->aq;
int err;
create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
EFA_SET(&create_cmd.cq_caps_2,
EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
params->entry_size_in_bytes / 4);
create_cmd.sub_cq_depth = params->sub_cq_depth;
create_cmd.num_sub_cqs = params->num_sub_cqs;
create_cmd.uar = params->uarn;
if (params->interrupt_mode_enabled) {
EFA_SET(&create_cmd.cq_caps_1,
EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1);
create_cmd.eqn = params->eqn;
}
if (params->set_src_addr) {
EFA_SET(&create_cmd.cq_caps_2,
EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1);
}
if (params->sq_comp_64_bit_req_id) {
EFA_SET(&create_cmd.cq_caps_2,
EFA_ADMIN_CREATE_CQ_CMD_SQ_COMP_64_BIT_REQ_ID, 1);
}
efa_com_set_dma_addr(params->dma_addr,
&create_cmd.cq_ba.mem_addr_high,
&create_cmd.cq_ba.mem_addr_low);
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&create_cmd,
sizeof(create_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to create cq[%d]\n", err);
return err;
}
result->cq_idx = cmd_completion.cq_idx;
result->actual_depth = params->sub_cq_depth;
result->db_off = cmd_completion.db_offset;
result->db_valid = EFA_GET(&cmd_completion.flags,
EFA_ADMIN_CREATE_CQ_RESP_DB_VALID);
return 0;
}
int efa_com_destroy_cq(struct efa_com_dev *edev,
struct efa_com_destroy_cq_params *params)
{
struct efa_admin_destroy_cq_cmd destroy_cmd = {};
struct efa_admin_destroy_cq_resp destroy_resp;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
destroy_cmd.cq_idx = params->cq_idx;
destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&destroy_cmd,
sizeof(destroy_cmd),
(struct efa_admin_acq_entry *)&destroy_resp,
sizeof(destroy_resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to destroy CQ-%u [%d]\n",
params->cq_idx, err);
return err;
}
return 0;
}
int efa_com_register_mr(struct efa_com_dev *edev,
struct efa_com_reg_mr_params *params,
struct efa_com_reg_mr_result *result)
{
struct efa_admin_reg_mr_resp cmd_completion;
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_reg_mr_cmd mr_cmd = {};
int err;
mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
mr_cmd.pd = params->pd;
mr_cmd.mr_length = params->mr_length_in_bytes;
EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
params->page_shift);
mr_cmd.iova = params->iova;
mr_cmd.permissions = params->permissions;
if (params->inline_pbl) {
memcpy(mr_cmd.pbl.inline_pbl_array,
params->pbl.inline_pbl_array,
sizeof(mr_cmd.pbl.inline_pbl_array));
} else {
mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
mr_cmd.pbl.pbl.address.mem_addr_low =
params->pbl.pbl.address.mem_addr_low;
mr_cmd.pbl.pbl.address.mem_addr_high =
params->pbl.pbl.address.mem_addr_high;
EFA_SET(&mr_cmd.aq_common_desc.flags,
EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
if (params->indirect)
EFA_SET(&mr_cmd.aq_common_desc.flags,
EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
}
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&mr_cmd,
sizeof(mr_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to register mr [%d]\n", err);
return err;
}
result->l_key = cmd_completion.l_key;
result->r_key = cmd_completion.r_key;
result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
return 0;
}
int efa_com_dereg_mr(struct efa_com_dev *edev,
struct efa_com_dereg_mr_params *params)
{
struct efa_admin_dereg_mr_resp cmd_completion;
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_dereg_mr_cmd mr_cmd = {};
int err;
mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
mr_cmd.l_key = params->l_key;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&mr_cmd,
sizeof(mr_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to de-register mr(lkey-%u) [%d]\n",
mr_cmd.l_key, err);
return err;
}
return 0;
}
int efa_com_create_ah(struct efa_com_dev *edev,
struct efa_com_create_ah_params *params,
struct efa_com_create_ah_result *result)
{
struct efa_admin_create_ah_resp cmd_completion;
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_create_ah_cmd ah_cmd = {};
struct efa_ah_cache_entry *entry;
int err;
entry = efa_ah_cache_get(&edev->ah_cache, params->pdn, params->dest_addr);
if (IS_ERR(entry))
return PTR_ERR(entry);
mutex_lock(&entry->lock);
if (entry->usecnt) {
result->ah = entry->ah;
entry->usecnt++;
mutex_unlock(&entry->lock);
return 0;
}
ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
ah_cmd.pd = params->pdn;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&ah_cmd,
sizeof(ah_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
mutex_unlock(&entry->lock);
efa_ah_cache_put(&edev->ah_cache, entry);
ibdev_err_ratelimited(edev->efa_dev,
"Failed to create ah for %pI6 [%d]\n",
ah_cmd.dest_addr, err);
return err;
}
entry->ah = cmd_completion.ah;
result->ah = cmd_completion.ah;
entry->usecnt++;
mutex_unlock(&entry->lock);
return 0;
}
int efa_com_destroy_ah(struct efa_com_dev *edev,
struct efa_com_destroy_ah_params *params)
{
struct efa_admin_destroy_ah_resp cmd_completion;
struct efa_admin_destroy_ah_cmd ah_cmd = {};
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_ah_cache_entry *entry;
int err = 0;
entry = efa_ah_cache_lookup(&edev->ah_cache, params->pdn, params->gid);
if (!entry)
return -EINVAL;
mutex_lock(&entry->lock);
if (entry->usecnt > 1)
goto out_put;
ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
ah_cmd.ah = entry->ah;
ah_cmd.pd = entry->key.pd;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&ah_cmd,
sizeof(ah_cmd),
(struct efa_admin_acq_entry *)&cmd_completion,
sizeof(cmd_completion));
if (err) {
mutex_unlock(&entry->lock);
ibdev_err_ratelimited(edev->efa_dev,
"Failed to destroy ah-%d pd-%d [%d]\n",
ah_cmd.ah, ah_cmd.pd, err);
return err;
}
out_put:
entry->usecnt--;
mutex_unlock(&entry->lock);
efa_ah_cache_put(&edev->ah_cache, entry);
return err;
}
bool
efa_com_check_supported_feature_id(struct efa_com_dev *edev,
enum efa_admin_aq_feature_id feature_id)
{
u32 feature_mask = 1 << feature_id;
/* Device attributes is always supported */
if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
!(edev->supported_features & feature_mask))
return false;
return true;
}
static int efa_com_get_feature_ex(struct efa_com_dev *edev,
struct efa_admin_get_feature_resp *get_resp,
enum efa_admin_aq_feature_id feature_id,
dma_addr_t control_buf_dma_addr,
u32 control_buff_size)
{
struct efa_admin_get_feature_cmd get_cmd = {};
struct efa_com_admin_queue *aq;
int err;
if (!efa_com_check_supported_feature_id(edev, feature_id)) {
ibdev_err_ratelimited(edev->efa_dev,
"Feature %d isn't supported\n",
feature_id);
return -EOPNOTSUPP;
}
aq = &edev->aq;
get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
if (control_buff_size)
EFA_SET(&get_cmd.aq_common_descriptor.flags,
EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
efa_com_set_dma_addr(control_buf_dma_addr,
&get_cmd.control_buffer.address.mem_addr_high,
&get_cmd.control_buffer.address.mem_addr_low);
get_cmd.control_buffer.length = control_buff_size;
get_cmd.feature_common.feature_id = feature_id;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)
&get_cmd,
sizeof(get_cmd),
(struct efa_admin_acq_entry *)
get_resp,
sizeof(*get_resp));
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to submit get_feature command %d [%d]\n",
feature_id, err);
return err;
}
return 0;
}
static int efa_com_get_feature(struct efa_com_dev *edev,
struct efa_admin_get_feature_resp *get_resp,
enum efa_admin_aq_feature_id feature_id)
{
return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
}
int efa_com_get_device_attr(struct efa_com_dev *edev,
struct efa_com_get_device_attr_result *result)
{
struct efa_admin_get_feature_resp resp;
int err;
err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to get device attributes %d\n",
err);
return err;
}
result->page_size_cap = resp.u.device_attr.page_size_cap;
result->fw_version = resp.u.device_attr.fw_version;
result->admin_api_version = resp.u.device_attr.admin_api_version;
result->device_version = resp.u.device_attr.device_version;
result->supported_features = resp.u.device_attr.supported_features;
result->phys_addr_width = resp.u.device_attr.phys_addr_width;
result->virt_addr_width = resp.u.device_attr.virt_addr_width;
result->db_bar = resp.u.device_attr.db_bar;
result->max_rdma_size = resp.u.device_attr.max_rdma_size;
result->device_caps = resp.u.device_attr.device_caps;
result->guid = resp.u.device_attr.guid;
result->max_link_speed_gbps = resp.u.device_attr.max_link_speed_gbps;
if (!result->max_link_speed_gbps)
result->max_link_speed_gbps = EFA_DEFAULT_LINK_SPEED_GBPS;
if (result->admin_api_version < 1) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to get device attr api version [%u < 1]\n",
result->admin_api_version);
return -EINVAL;
}
edev->supported_features = resp.u.device_attr.supported_features;
err = efa_com_get_feature(edev, &resp,
EFA_ADMIN_QUEUE_ATTR_1);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to get queue attributes1 %d\n",
err);
return err;
}
result->max_qp = resp.u.queue_attr_1.max_qp;
result->max_sq_depth = resp.u.queue_attr_1.max_sq_depth;
result->max_rq_depth = resp.u.queue_attr_1.max_rq_depth;
result->max_cq = resp.u.queue_attr_1.max_cq;
result->max_cq_depth = resp.u.queue_attr_1.max_cq_depth;
result->inline_buf_size = resp.u.queue_attr_1.inline_buf_size;
result->max_sq_sge = resp.u.queue_attr_1.max_wr_send_sges;
result->max_rq_sge = resp.u.queue_attr_1.max_wr_recv_sges;
result->max_mr = resp.u.queue_attr_1.max_mr;
result->max_mr_pages = resp.u.queue_attr_1.max_mr_pages;
result->max_pd = resp.u.queue_attr_1.max_pd;
result->max_ah = resp.u.queue_attr_1.max_ah;
result->max_llq_size = resp.u.queue_attr_1.max_llq_size;
result->sub_cqs_per_cq = resp.u.queue_attr_1.sub_cqs_per_cq;
result->max_wr_rdma_sge = resp.u.queue_attr_1.max_wr_rdma_sges;
result->max_tx_batch = resp.u.queue_attr_1.max_tx_batch;
result->min_sq_depth = resp.u.queue_attr_1.min_sq_depth;
if (efa_com_check_supported_feature_id(edev, EFA_ADMIN_QUEUE_ATTR_2)) {
err = efa_com_get_feature(edev, &resp,
EFA_ADMIN_QUEUE_ATTR_2);
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to get queue attributes2 %d\n", err);
return err;
}
result->inline_buf_size_ex = resp.u.queue_attr_2.inline_buf_size_ex;
result->max_event_counters = resp.u.queue_attr_2.max_event_counters;
result->event_counter_max_val = resp.u.queue_attr_2.event_counter_max_val;
result->supported_event_counter_qp_events =
resp.u.queue_attr_2.supported_event_counter_qp_events;
} else {
result->inline_buf_size_ex = result->inline_buf_size;
}
err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to get network attributes %d\n",
err);
return err;
}
memcpy(result->addr, resp.u.network_attr.addr,
sizeof(resp.u.network_attr.addr));
result->mtu = resp.u.network_attr.mtu;
if (efa_com_check_supported_feature_id(edev,
EFA_ADMIN_EVENT_QUEUE_ATTR)) {
err = efa_com_get_feature(edev, &resp,
EFA_ADMIN_EVENT_QUEUE_ATTR);
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to get event queue attributes %d\n",
err);
return err;
}
result->max_eq = resp.u.event_queue_attr.max_eq;
result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
}
return 0;
}
int efa_com_get_hw_hints(struct efa_com_dev *edev,
struct efa_com_get_hw_hints_result *result)
{
struct efa_admin_get_feature_resp resp;
int err;
err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to get hw hints %d\n", err);
return err;
}
result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
result->poll_interval = resp.u.hw_hints.poll_interval;
return 0;
}
int efa_com_set_feature_ex(struct efa_com_dev *edev,
struct efa_admin_set_feature_resp *set_resp,
struct efa_admin_set_feature_cmd *set_cmd,
enum efa_admin_aq_feature_id feature_id,
dma_addr_t control_buf_dma_addr,
u32 control_buff_size)
{
struct efa_com_admin_queue *aq;
int err;
if (!efa_com_check_supported_feature_id(edev, feature_id)) {
ibdev_err_ratelimited(edev->efa_dev,
"Feature %d isn't supported\n",
feature_id);
return -EOPNOTSUPP;
}
aq = &edev->aq;
set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
if (control_buff_size) {
set_cmd->aq_common_descriptor.flags = 0;
EFA_SET(&set_cmd->aq_common_descriptor.flags,
EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
efa_com_set_dma_addr(control_buf_dma_addr,
&set_cmd->control_buffer.address.mem_addr_high,
&set_cmd->control_buffer.address.mem_addr_low);
}
set_cmd->control_buffer.length = control_buff_size;
set_cmd->feature_common.feature_id = feature_id;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)set_cmd,
sizeof(*set_cmd),
(struct efa_admin_acq_entry *)set_resp,
sizeof(*set_resp));
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to submit set_feature command %d error: %d\n",
feature_id, err);
return err;
}
return 0;
}
static int efa_com_set_feature(struct efa_com_dev *edev,
struct efa_admin_set_feature_resp *set_resp,
struct efa_admin_set_feature_cmd *set_cmd,
enum efa_admin_aq_feature_id feature_id)
{
return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
0, 0);
}
int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
{
struct efa_admin_get_feature_resp get_resp;
struct efa_admin_set_feature_resp set_resp;
struct efa_admin_set_feature_cmd cmd = {};
int err;
ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to get aenq attributes: %d\n",
err);
return err;
}
ibdev_dbg(edev->efa_dev,
"Get aenq groups: supported[%#x] enabled[%#x]\n",
get_resp.u.aenq.supported_groups,
get_resp.u.aenq.enabled_groups);
if ((get_resp.u.aenq.supported_groups & groups) != groups) {
ibdev_err_ratelimited(
edev->efa_dev,
"Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
groups, get_resp.u.aenq.supported_groups);
return -EOPNOTSUPP;
}
cmd.u.aenq.enabled_groups = groups;
err = efa_com_set_feature(edev, &set_resp, &cmd,
EFA_ADMIN_AENQ_CONFIG);
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to set aenq attributes: %d\n",
err);
return err;
}
return 0;
}
int efa_com_alloc_pd(struct efa_com_dev *edev,
struct efa_com_alloc_pd_result *result)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_alloc_pd_cmd cmd = {};
struct efa_admin_alloc_pd_resp resp;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to allocate pd[%d]\n", err);
return err;
}
result->pdn = resp.pd;
return 0;
}
int efa_com_dealloc_pd(struct efa_com_dev *edev,
struct efa_com_dealloc_pd_params *params)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_dealloc_pd_cmd cmd = {};
struct efa_admin_dealloc_pd_resp resp;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
cmd.pd = params->pdn;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to deallocate pd-%u [%d]\n",
cmd.pd, err);
return err;
}
return 0;
}
int efa_com_alloc_uar(struct efa_com_dev *edev,
struct efa_com_alloc_uar_result *result)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_alloc_uar_cmd cmd = {};
struct efa_admin_alloc_uar_resp resp;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to allocate uar[%d]\n", err);
return err;
}
result->uarn = resp.uar;
return 0;
}
int efa_com_dealloc_uar(struct efa_com_dev *edev,
struct efa_com_dealloc_uar_params *params)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_dealloc_uar_cmd cmd = {};
struct efa_admin_dealloc_uar_resp resp;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
cmd.uar = params->uarn;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to deallocate uar-%u [%d]\n",
cmd.uar, err);
return err;
}
return 0;
}
int efa_com_get_stats(struct efa_com_dev *edev,
struct efa_com_get_stats_params *params,
union efa_com_get_stats_result *result)
{
struct efa_com_admin_queue *aq = &edev->aq;
struct efa_admin_aq_get_stats_cmd cmd = {};
struct efa_admin_acq_get_stats_resp resp;
struct efa_admin_rdma_write_stats *rws;
struct efa_admin_rdma_read_stats *rrs;
struct efa_admin_messages_stats *ms;
struct efa_admin_network_stats *ns;
struct efa_admin_basic_stats *bs;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
cmd.type = params->type;
cmd.scope = params->scope;
cmd.scope_modifier = params->scope_modifier;
err = efa_com_cmd_exec(aq,
(struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(
edev->efa_dev,
"Failed to get stats type-%u scope-%u.%u [%d]\n",
cmd.type, cmd.scope, cmd.scope_modifier, err);
return err;
}
switch (cmd.type) {
case EFA_ADMIN_GET_STATS_TYPE_BASIC:
bs = &resp.u.basic_stats;
result->basic_stats.tx_bytes = bs->tx_bytes;
result->basic_stats.tx_pkts = bs->tx_pkts;
result->basic_stats.rx_bytes = bs->rx_bytes;
result->basic_stats.rx_pkts = bs->rx_pkts;
result->basic_stats.rx_drops = bs->rx_drops;
break;
case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
ms = &resp.u.messages_stats;
result->messages_stats.send_bytes = ms->send_bytes;
result->messages_stats.send_wrs = ms->send_wrs;
result->messages_stats.recv_bytes = ms->recv_bytes;
result->messages_stats.recv_wrs = ms->recv_wrs;
break;
case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
rrs = &resp.u.rdma_read_stats;
result->rdma_read_stats.read_wrs = rrs->read_wrs;
result->rdma_read_stats.read_bytes = rrs->read_bytes;
result->rdma_read_stats.read_wr_err = rrs->read_wr_err;
result->rdma_read_stats.read_resp_bytes = rrs->read_resp_bytes;
break;
case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE:
rws = &resp.u.rdma_write_stats;
result->rdma_write_stats.write_wrs = rws->write_wrs;
result->rdma_write_stats.write_bytes = rws->write_bytes;
result->rdma_write_stats.write_wr_err = rws->write_wr_err;
result->rdma_write_stats.write_recv_bytes = rws->write_recv_bytes;
break;
case EFA_ADMIN_GET_STATS_TYPE_NETWORK:
ns = &resp.u.network_stats;
result->network_stats.retrans_bytes = ns->retrans_bytes;
result->network_stats.retrans_pkts = ns->retrans_pkts;
result->network_stats.retrans_timeout_events = ns->retrans_timeout_events;
result->network_stats.unresponsive_remote_events = ns->unresponsive_remote_events;
result->network_stats.impaired_remote_conn_events = ns->impaired_remote_conn_events;
break;
}
return 0;
}
int efa_com_create_event_counter(struct efa_com_dev *edev,
struct efa_com_create_event_counter_params *params,
struct efa_com_create_event_counter_result *result)
{
struct efa_admin_create_event_counter_cmd cmd = {};
struct efa_admin_create_event_counter_resp resp;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_CREATE_EVENT_COUNTER;
cmd.uar = params->uarn;
cmd.paddr = params->dma_addr;
err = efa_com_cmd_exec(aq, (struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to create event counter [%d]\n",
err);
return err;
}
result->cntr_handle = resp.cntr_handle;
return 0;
}
int efa_com_destroy_event_counter(struct efa_com_dev *edev,
struct efa_com_destroy_event_counter_params *params)
{
struct efa_admin_destroy_event_counter_cmd cmd = {};
struct efa_admin_destroy_event_counter_resp resp;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_DESTROY_EVENT_COUNTER;
cmd.cntr_handle = params->cntr_handle;
err = efa_com_cmd_exec(aq, (struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to destroy event counter [%d]\n",
err);
return err;
}
return 0;
}
static int efa_com_attach_detach_event_counter(struct efa_com_dev *edev, u8 opcode,
u32 cntr_handle, u32 qp_handle,
u32 events)
{
struct efa_admin_attach_detach_event_counter_cmd cmd = {};
struct efa_admin_attach_detach_event_counter_resp resp;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
cmd.aq_common_descriptor.opcode = opcode;
cmd.cntr_handle = cntr_handle;
cmd.attach_type = EFA_ADMIN_EVENT_COUNTER_ATTACH_QP_EVENTS;
cmd.u.qp_events.qp_handle = qp_handle;
cmd.u.qp_events.events = events;
err = efa_com_cmd_exec(aq, (struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to %s event counter [%d]\n",
opcode == EFA_ADMIN_ATTACH_EVENT_COUNTER
? "attach"
: "detach",
err);
return err;
}
return 0;
}
int efa_com_attach_event_counter(struct efa_com_dev *edev,
struct efa_com_attach_event_counter_params *params)
{
return efa_com_attach_detach_event_counter(edev,
EFA_ADMIN_ATTACH_EVENT_COUNTER,
params->cntr_handle,
params->qp_handle,
params->events);
}
int efa_com_detach_event_counter(struct efa_com_dev *edev,
struct efa_com_detach_event_counter_params *params)
{
return efa_com_attach_detach_event_counter(edev,
EFA_ADMIN_DETACH_EVENT_COUNTER,
params->cntr_handle,
params->qp_handle,
params->events);
}
int efa_com_modify_event_counter(struct efa_com_dev *edev,
struct efa_com_modify_event_counter_params *params)
{
struct efa_admin_modify_event_counter_cmd cmd = {};
struct efa_admin_modify_event_counter_resp resp;
struct efa_com_admin_queue *aq = &edev->aq;
int err;
cmd.aq_common_descriptor.opcode = EFA_ADMIN_MODIFY_EVENT_COUNTER;
cmd.cntr_handle = params->cntr_handle;
cmd.operation = params->operation;
cmd.value = params->value;
err = efa_com_cmd_exec(aq, (struct efa_admin_aq_entry *)&cmd,
sizeof(cmd),
(struct efa_admin_acq_entry *)&resp,
sizeof(resp));
if (err) {
ibdev_err_ratelimited(edev->efa_dev,
"Failed to modify event counter [%d]\n",
err);
return err;
}
return 0;
}
