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path: root/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
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Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_virtchnl.c')
-rw-r--r--drivers/infiniband/hw/i40iw/i40iw_virtchnl.c756
1 files changed, 0 insertions, 756 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
deleted file mode 100644
index 48fd327f876b..000000000000
--- a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
+++ /dev/null
@@ -1,756 +0,0 @@
-/*******************************************************************************
-*
-* Copyright (c) 2015-2016 Intel Corporation. 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
-* OpenFabrics.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 "i40iw_osdep.h"
-#include "i40iw_register.h"
-#include "i40iw_status.h"
-#include "i40iw_hmc.h"
-#include "i40iw_d.h"
-#include "i40iw_type.h"
-#include "i40iw_p.h"
-#include "i40iw_virtchnl.h"
-
-/**
- * vchnl_vf_send_get_ver_req - Request Channel version
- * @dev: IWARP device pointer
- * @vchnl_req: Virtual channel message request pointer
- */
-static enum i40iw_status_code vchnl_vf_send_get_ver_req(struct i40iw_sc_dev *dev,
- struct i40iw_virtchnl_req *vchnl_req)
-{
- enum i40iw_status_code ret_code = I40IW_ERR_NOT_READY;
- struct i40iw_virtchnl_op_buf *vchnl_msg = vchnl_req->vchnl_msg;
-
- if (!dev->vchnl_up)
- return ret_code;
-
- memset(vchnl_msg, 0, sizeof(*vchnl_msg));
- vchnl_msg->iw_chnl_op_ctx = (uintptr_t)vchnl_req;
- vchnl_msg->iw_chnl_buf_len = sizeof(*vchnl_msg);
- vchnl_msg->iw_op_code = I40IW_VCHNL_OP_GET_VER;
- vchnl_msg->iw_op_ver = I40IW_VCHNL_OP_GET_VER_V0;
- ret_code = dev->vchnl_if.vchnl_send(dev, 0, (u8 *)vchnl_msg, vchnl_msg->iw_chnl_buf_len);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
- return ret_code;
-}
-
-/**
- * vchnl_vf_send_get_hmc_fcn_req - Request HMC Function from VF
- * @dev: IWARP device pointer
- * @vchnl_req: Virtual channel message request pointer
- */
-static enum i40iw_status_code vchnl_vf_send_get_hmc_fcn_req(struct i40iw_sc_dev *dev,
- struct i40iw_virtchnl_req *vchnl_req)
-{
- enum i40iw_status_code ret_code = I40IW_ERR_NOT_READY;
- struct i40iw_virtchnl_op_buf *vchnl_msg = vchnl_req->vchnl_msg;
-
- if (!dev->vchnl_up)
- return ret_code;
-
- memset(vchnl_msg, 0, sizeof(*vchnl_msg));
- vchnl_msg->iw_chnl_op_ctx = (uintptr_t)vchnl_req;
- vchnl_msg->iw_chnl_buf_len = sizeof(*vchnl_msg);
- vchnl_msg->iw_op_code = I40IW_VCHNL_OP_GET_HMC_FCN;
- vchnl_msg->iw_op_ver = I40IW_VCHNL_OP_GET_HMC_FCN_V0;
- ret_code = dev->vchnl_if.vchnl_send(dev, 0, (u8 *)vchnl_msg, vchnl_msg->iw_chnl_buf_len);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
- return ret_code;
-}
-
-/**
- * vchnl_vf_send_get_pe_stats_req - Request PE stats from VF
- * @dev: IWARP device pointer
- * @vchnl_req: Virtual channel message request pointer
- */
-static enum i40iw_status_code vchnl_vf_send_get_pe_stats_req(struct i40iw_sc_dev *dev,
- struct i40iw_virtchnl_req *vchnl_req)
-{
- enum i40iw_status_code ret_code = I40IW_ERR_NOT_READY;
- struct i40iw_virtchnl_op_buf *vchnl_msg = vchnl_req->vchnl_msg;
-
- if (!dev->vchnl_up)
- return ret_code;
-
- memset(vchnl_msg, 0, sizeof(*vchnl_msg));
- vchnl_msg->iw_chnl_op_ctx = (uintptr_t)vchnl_req;
- vchnl_msg->iw_chnl_buf_len = sizeof(*vchnl_msg) + sizeof(struct i40iw_dev_hw_stats) - 1;
- vchnl_msg->iw_op_code = I40IW_VCHNL_OP_GET_STATS;
- vchnl_msg->iw_op_ver = I40IW_VCHNL_OP_GET_STATS_V0;
- ret_code = dev->vchnl_if.vchnl_send(dev, 0, (u8 *)vchnl_msg, vchnl_msg->iw_chnl_buf_len);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
- return ret_code;
-}
-
-/**
- * vchnl_vf_send_add_hmc_objs_req - Add HMC objects
- * @dev: IWARP device pointer
- * @vchnl_req: Virtual channel message request pointer
- */
-static enum i40iw_status_code vchnl_vf_send_add_hmc_objs_req(struct i40iw_sc_dev *dev,
- struct i40iw_virtchnl_req *vchnl_req,
- enum i40iw_hmc_rsrc_type rsrc_type,
- u32 start_index,
- u32 rsrc_count)
-{
- enum i40iw_status_code ret_code = I40IW_ERR_NOT_READY;
- struct i40iw_virtchnl_op_buf *vchnl_msg = vchnl_req->vchnl_msg;
- struct i40iw_virtchnl_hmc_obj_range *add_hmc_obj;
-
- if (!dev->vchnl_up)
- return ret_code;
-
- add_hmc_obj = (struct i40iw_virtchnl_hmc_obj_range *)vchnl_msg->iw_chnl_buf;
- memset(vchnl_msg, 0, sizeof(*vchnl_msg));
- memset(add_hmc_obj, 0, sizeof(*add_hmc_obj));
- vchnl_msg->iw_chnl_op_ctx = (uintptr_t)vchnl_req;
- vchnl_msg->iw_chnl_buf_len = sizeof(*vchnl_msg) + sizeof(struct i40iw_virtchnl_hmc_obj_range) - 1;
- vchnl_msg->iw_op_code = I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE;
- vchnl_msg->iw_op_ver = I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE_V0;
- add_hmc_obj->obj_type = (u16)rsrc_type;
- add_hmc_obj->start_index = start_index;
- add_hmc_obj->obj_count = rsrc_count;
- ret_code = dev->vchnl_if.vchnl_send(dev, 0, (u8 *)vchnl_msg, vchnl_msg->iw_chnl_buf_len);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
- return ret_code;
-}
-
-/**
- * vchnl_vf_send_del_hmc_objs_req - del HMC objects
- * @dev: IWARP device pointer
- * @vchnl_req: Virtual channel message request pointer
- * @ rsrc_type - resource type to delete
- * @ start_index - starting index for resource
- * @ rsrc_count - number of resource type to delete
- */
-static enum i40iw_status_code vchnl_vf_send_del_hmc_objs_req(struct i40iw_sc_dev *dev,
- struct i40iw_virtchnl_req *vchnl_req,
- enum i40iw_hmc_rsrc_type rsrc_type,
- u32 start_index,
- u32 rsrc_count)
-{
- enum i40iw_status_code ret_code = I40IW_ERR_NOT_READY;
- struct i40iw_virtchnl_op_buf *vchnl_msg = vchnl_req->vchnl_msg;
- struct i40iw_virtchnl_hmc_obj_range *add_hmc_obj;
-
- if (!dev->vchnl_up)
- return ret_code;
-
- add_hmc_obj = (struct i40iw_virtchnl_hmc_obj_range *)vchnl_msg->iw_chnl_buf;
- memset(vchnl_msg, 0, sizeof(*vchnl_msg));
- memset(add_hmc_obj, 0, sizeof(*add_hmc_obj));
- vchnl_msg->iw_chnl_op_ctx = (uintptr_t)vchnl_req;
- vchnl_msg->iw_chnl_buf_len = sizeof(*vchnl_msg) + sizeof(struct i40iw_virtchnl_hmc_obj_range) - 1;
- vchnl_msg->iw_op_code = I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE;
- vchnl_msg->iw_op_ver = I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE_V0;
- add_hmc_obj->obj_type = (u16)rsrc_type;
- add_hmc_obj->start_index = start_index;
- add_hmc_obj->obj_count = rsrc_count;
- ret_code = dev->vchnl_if.vchnl_send(dev, 0, (u8 *)vchnl_msg, vchnl_msg->iw_chnl_buf_len);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
- return ret_code;
-}
-
-/**
- * vchnl_pf_send_get_ver_resp - Send channel version to VF
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @vchnl_msg: Virtual channel message buffer pointer
- */
-static void vchnl_pf_send_get_ver_resp(struct i40iw_sc_dev *dev,
- u32 vf_id,
- struct i40iw_virtchnl_op_buf *vchnl_msg)
-{
- enum i40iw_status_code ret_code;
- u8 resp_buffer[sizeof(struct i40iw_virtchnl_resp_buf) + sizeof(u32) - 1];
- struct i40iw_virtchnl_resp_buf *vchnl_msg_resp = (struct i40iw_virtchnl_resp_buf *)resp_buffer;
-
- memset(resp_buffer, 0, sizeof(*resp_buffer));
- vchnl_msg_resp->iw_chnl_op_ctx = vchnl_msg->iw_chnl_op_ctx;
- vchnl_msg_resp->iw_chnl_buf_len = sizeof(resp_buffer);
- vchnl_msg_resp->iw_op_ret_code = I40IW_SUCCESS;
- *((u32 *)vchnl_msg_resp->iw_chnl_buf) = I40IW_VCHNL_CHNL_VER_V0;
- ret_code = dev->vchnl_if.vchnl_send(dev, vf_id, resp_buffer, sizeof(resp_buffer));
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
-}
-
-/**
- * vchnl_pf_send_get_hmc_fcn_resp - Send HMC Function to VF
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @vchnl_msg: Virtual channel message buffer pointer
- */
-static void vchnl_pf_send_get_hmc_fcn_resp(struct i40iw_sc_dev *dev,
- u32 vf_id,
- struct i40iw_virtchnl_op_buf *vchnl_msg,
- u16 hmc_fcn)
-{
- enum i40iw_status_code ret_code;
- u8 resp_buffer[sizeof(struct i40iw_virtchnl_resp_buf) + sizeof(u16) - 1];
- struct i40iw_virtchnl_resp_buf *vchnl_msg_resp = (struct i40iw_virtchnl_resp_buf *)resp_buffer;
-
- memset(resp_buffer, 0, sizeof(*resp_buffer));
- vchnl_msg_resp->iw_chnl_op_ctx = vchnl_msg->iw_chnl_op_ctx;
- vchnl_msg_resp->iw_chnl_buf_len = sizeof(resp_buffer);
- vchnl_msg_resp->iw_op_ret_code = I40IW_SUCCESS;
- *((u16 *)vchnl_msg_resp->iw_chnl_buf) = hmc_fcn;
- ret_code = dev->vchnl_if.vchnl_send(dev, vf_id, resp_buffer, sizeof(resp_buffer));
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
-}
-
-/**
- * vchnl_pf_send_get_pe_stats_resp - Send PE Stats to VF
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @vchnl_msg: Virtual channel message buffer pointer
- * @hw_stats: HW Stats struct
- */
-
-static void vchnl_pf_send_get_pe_stats_resp(struct i40iw_sc_dev *dev,
- u32 vf_id,
- struct i40iw_virtchnl_op_buf *vchnl_msg,
- struct i40iw_dev_hw_stats *hw_stats)
-{
- enum i40iw_status_code ret_code;
- u8 resp_buffer[sizeof(struct i40iw_virtchnl_resp_buf) + sizeof(struct i40iw_dev_hw_stats) - 1];
- struct i40iw_virtchnl_resp_buf *vchnl_msg_resp = (struct i40iw_virtchnl_resp_buf *)resp_buffer;
-
- memset(resp_buffer, 0, sizeof(*resp_buffer));
- vchnl_msg_resp->iw_chnl_op_ctx = vchnl_msg->iw_chnl_op_ctx;
- vchnl_msg_resp->iw_chnl_buf_len = sizeof(resp_buffer);
- vchnl_msg_resp->iw_op_ret_code = I40IW_SUCCESS;
- *((struct i40iw_dev_hw_stats *)vchnl_msg_resp->iw_chnl_buf) = *hw_stats;
- ret_code = dev->vchnl_if.vchnl_send(dev, vf_id, resp_buffer, sizeof(resp_buffer));
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
-}
-
-/**
- * vchnl_pf_send_error_resp - Send an error response to VF
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @vchnl_msg: Virtual channel message buffer pointer
- */
-static void vchnl_pf_send_error_resp(struct i40iw_sc_dev *dev, u32 vf_id,
- struct i40iw_virtchnl_op_buf *vchnl_msg,
- u16 op_ret_code)
-{
- enum i40iw_status_code ret_code;
- u8 resp_buffer[sizeof(struct i40iw_virtchnl_resp_buf)];
- struct i40iw_virtchnl_resp_buf *vchnl_msg_resp = (struct i40iw_virtchnl_resp_buf *)resp_buffer;
-
- memset(resp_buffer, 0, sizeof(resp_buffer));
- vchnl_msg_resp->iw_chnl_op_ctx = vchnl_msg->iw_chnl_op_ctx;
- vchnl_msg_resp->iw_chnl_buf_len = sizeof(resp_buffer);
- vchnl_msg_resp->iw_op_ret_code = (u16)op_ret_code;
- ret_code = dev->vchnl_if.vchnl_send(dev, vf_id, resp_buffer, sizeof(resp_buffer));
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: virt channel send failed 0x%x\n", __func__, ret_code);
-}
-
-/**
- * pf_cqp_get_hmc_fcn_callback - Callback for Get HMC Fcn
- * @cqp_req_param: CQP Request param value
- * @not_used: unused CQP callback parameter
- */
-static void pf_cqp_get_hmc_fcn_callback(struct i40iw_sc_dev *dev, void *callback_param,
- struct i40iw_ccq_cqe_info *cqe_info)
-{
- struct i40iw_vfdev *vf_dev = callback_param;
- struct i40iw_virt_mem vf_dev_mem;
-
- if (cqe_info->error) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "CQP Completion Error on Get HMC Function. Maj = 0x%04x, Minor = 0x%04x\n",
- cqe_info->maj_err_code, cqe_info->min_err_code);
- dev->vf_dev[vf_dev->iw_vf_idx] = NULL;
- vchnl_pf_send_error_resp(dev, vf_dev->vf_id, &vf_dev->vf_msg_buffer.vchnl_msg,
- (u16)I40IW_ERR_CQP_COMPL_ERROR);
- vf_dev_mem.va = vf_dev;
- vf_dev_mem.size = sizeof(*vf_dev);
- i40iw_free_virt_mem(dev->hw, &vf_dev_mem);
- } else {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "CQP Completion Operation Return information = 0x%08x\n",
- cqe_info->op_ret_val);
- vf_dev->pmf_index = (u16)cqe_info->op_ret_val;
- vf_dev->msg_count--;
- vchnl_pf_send_get_hmc_fcn_resp(dev,
- vf_dev->vf_id,
- &vf_dev->vf_msg_buffer.vchnl_msg,
- vf_dev->pmf_index);
- }
-}
-
-/**
- * pf_add_hmc_obj - Callback for Add HMC Object
- * @vf_dev: pointer to the VF Device
- */
-static void pf_add_hmc_obj_callback(void *work_vf_dev)
-{
- struct i40iw_vfdev *vf_dev = (struct i40iw_vfdev *)work_vf_dev;
- struct i40iw_hmc_info *hmc_info = &vf_dev->hmc_info;
- struct i40iw_virtchnl_op_buf *vchnl_msg = &vf_dev->vf_msg_buffer.vchnl_msg;
- struct i40iw_hmc_create_obj_info info;
- struct i40iw_virtchnl_hmc_obj_range *add_hmc_obj;
- enum i40iw_status_code ret_code;
-
- if (!vf_dev->pf_hmc_initialized) {
- ret_code = i40iw_pf_init_vfhmc(vf_dev->pf_dev, (u8)vf_dev->pmf_index, NULL);
- if (ret_code)
- goto add_out;
- vf_dev->pf_hmc_initialized = true;
- }
-
- add_hmc_obj = (struct i40iw_virtchnl_hmc_obj_range *)vchnl_msg->iw_chnl_buf;
-
- memset(&info, 0, sizeof(info));
- info.hmc_info = hmc_info;
- info.is_pf = false;
- info.rsrc_type = (u32)add_hmc_obj->obj_type;
- info.entry_type = (info.rsrc_type == I40IW_HMC_IW_PBLE) ? I40IW_SD_TYPE_PAGED : I40IW_SD_TYPE_DIRECT;
- info.start_idx = add_hmc_obj->start_index;
- info.count = add_hmc_obj->obj_count;
- i40iw_debug(vf_dev->pf_dev, I40IW_DEBUG_VIRT,
- "I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE. Add %u type %u objects\n",
- info.count, info.rsrc_type);
- ret_code = i40iw_sc_create_hmc_obj(vf_dev->pf_dev, &info);
- if (!ret_code)
- vf_dev->hmc_info.hmc_obj[add_hmc_obj->obj_type].cnt = add_hmc_obj->obj_count;
-add_out:
- vf_dev->msg_count--;
- vchnl_pf_send_error_resp(vf_dev->pf_dev, vf_dev->vf_id, vchnl_msg, (u16)ret_code);
-}
-
-/**
- * pf_del_hmc_obj_callback - Callback for delete HMC Object
- * @work_vf_dev: pointer to the VF Device
- */
-static void pf_del_hmc_obj_callback(void *work_vf_dev)
-{
- struct i40iw_vfdev *vf_dev = (struct i40iw_vfdev *)work_vf_dev;
- struct i40iw_hmc_info *hmc_info = &vf_dev->hmc_info;
- struct i40iw_virtchnl_op_buf *vchnl_msg = &vf_dev->vf_msg_buffer.vchnl_msg;
- struct i40iw_hmc_del_obj_info info;
- struct i40iw_virtchnl_hmc_obj_range *del_hmc_obj;
- enum i40iw_status_code ret_code = I40IW_SUCCESS;
-
- if (!vf_dev->pf_hmc_initialized)
- goto del_out;
-
- del_hmc_obj = (struct i40iw_virtchnl_hmc_obj_range *)vchnl_msg->iw_chnl_buf;
-
- memset(&info, 0, sizeof(info));
- info.hmc_info = hmc_info;
- info.is_pf = false;
- info.rsrc_type = (u32)del_hmc_obj->obj_type;
- info.start_idx = del_hmc_obj->start_index;
- info.count = del_hmc_obj->obj_count;
- i40iw_debug(vf_dev->pf_dev, I40IW_DEBUG_VIRT,
- "I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE. Delete %u type %u objects\n",
- info.count, info.rsrc_type);
- ret_code = i40iw_sc_del_hmc_obj(vf_dev->pf_dev, &info, false);
-del_out:
- vf_dev->msg_count--;
- vchnl_pf_send_error_resp(vf_dev->pf_dev, vf_dev->vf_id, vchnl_msg, (u16)ret_code);
-}
-
-/**
- * i40iw_vf_init_pestat - Initialize stats for VF
- * @devL pointer to the VF Device
- * @stats: Statistics structure pointer
- * @index: Stats index
- */
-static void i40iw_vf_init_pestat(struct i40iw_sc_dev *dev, struct i40iw_vsi_pestat *stats, u16 index)
-{
- stats->hw = dev->hw;
- i40iw_hw_stats_init(stats, (u8)index, false);
- spin_lock_init(&stats->lock);
-}
-
-/**
- * i40iw_vchnl_recv_pf - Receive PF virtual channel messages
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @msg: Virtual channel message buffer pointer
- * @len: Length of the virtual channels message
- */
-enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev,
- u32 vf_id,
- u8 *msg,
- u16 len)
-{
- struct i40iw_virtchnl_op_buf *vchnl_msg = (struct i40iw_virtchnl_op_buf *)msg;
- struct i40iw_vfdev *vf_dev = NULL;
- struct i40iw_hmc_fcn_info hmc_fcn_info;
- u16 iw_vf_idx;
- u16 first_avail_iw_vf = I40IW_MAX_PE_ENABLED_VF_COUNT;
- struct i40iw_virt_mem vf_dev_mem;
- struct i40iw_virtchnl_work_info work_info;
- struct i40iw_vsi_pestat *stats;
- enum i40iw_status_code ret_code;
-
- if (!dev || !msg || !len)
- return I40IW_ERR_PARAM;
-
- if (!dev->vchnl_up)
- return I40IW_ERR_NOT_READY;
- if (vchnl_msg->iw_op_code == I40IW_VCHNL_OP_GET_VER) {
- vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg);
- return I40IW_SUCCESS;
- }
- for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT; iw_vf_idx++) {
- if (!dev->vf_dev[iw_vf_idx]) {
- if (first_avail_iw_vf == I40IW_MAX_PE_ENABLED_VF_COUNT)
- first_avail_iw_vf = iw_vf_idx;
- continue;
- }
- if (dev->vf_dev[iw_vf_idx]->vf_id == vf_id) {
- vf_dev = dev->vf_dev[iw_vf_idx];
- break;
- }
- }
- if (vf_dev) {
- if (!vf_dev->msg_count) {
- vf_dev->msg_count++;
- } else {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "VF%u already has a channel message in progress.\n",
- vf_id);
- return I40IW_SUCCESS;
- }
- }
- switch (vchnl_msg->iw_op_code) {
- case I40IW_VCHNL_OP_GET_HMC_FCN:
- if (!vf_dev &&
- (first_avail_iw_vf != I40IW_MAX_PE_ENABLED_VF_COUNT)) {
- ret_code = i40iw_allocate_virt_mem(dev->hw, &vf_dev_mem, sizeof(struct i40iw_vfdev) +
- (sizeof(struct i40iw_hmc_obj_info) * I40IW_HMC_IW_MAX));
- if (!ret_code) {
- vf_dev = vf_dev_mem.va;
- vf_dev->stats_initialized = false;
- vf_dev->pf_dev = dev;
- vf_dev->msg_count = 1;
- vf_dev->vf_id = vf_id;
- vf_dev->iw_vf_idx = first_avail_iw_vf;
- vf_dev->pf_hmc_initialized = false;
- vf_dev->hmc_info.hmc_obj = (struct i40iw_hmc_obj_info *)(&vf_dev[1]);
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "vf_dev %p, hmc_info %p, hmc_obj %p\n",
- vf_dev, &vf_dev->hmc_info, vf_dev->hmc_info.hmc_obj);
- dev->vf_dev[first_avail_iw_vf] = vf_dev;
- iw_vf_idx = first_avail_iw_vf;
- } else {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "VF%u Unable to allocate a VF device structure.\n",
- vf_id);
- vchnl_pf_send_error_resp(dev, vf_id, vchnl_msg, (u16)I40IW_ERR_NO_MEMORY);
- return I40IW_SUCCESS;
- }
- memcpy(&vf_dev->vf_msg_buffer.vchnl_msg, vchnl_msg, len);
- hmc_fcn_info.callback_fcn = pf_cqp_get_hmc_fcn_callback;
- hmc_fcn_info.vf_id = vf_id;
- hmc_fcn_info.iw_vf_idx = vf_dev->iw_vf_idx;
- hmc_fcn_info.cqp_callback_param = vf_dev;
- hmc_fcn_info.free_fcn = false;
- ret_code = i40iw_cqp_manage_hmc_fcn_cmd(dev, &hmc_fcn_info);
- if (ret_code)
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "VF%u error CQP HMC Function operation.\n",
- vf_id);
- i40iw_vf_init_pestat(dev, &vf_dev->pestat, vf_dev->pmf_index);
- vf_dev->stats_initialized = true;
- } else {
- if (vf_dev) {
- vf_dev->msg_count--;
- vchnl_pf_send_get_hmc_fcn_resp(dev, vf_id, vchnl_msg, vf_dev->pmf_index);
- } else {
- vchnl_pf_send_error_resp(dev, vf_id, vchnl_msg,
- (u16)I40IW_ERR_NO_MEMORY);
- }
- }
- break;
- case I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE:
- if (!vf_dev)
- return I40IW_ERR_BAD_PTR;
- work_info.worker_vf_dev = vf_dev;
- work_info.callback_fcn = pf_add_hmc_obj_callback;
- memcpy(&vf_dev->vf_msg_buffer.vchnl_msg, vchnl_msg, len);
- i40iw_cqp_spawn_worker(dev, &work_info, vf_dev->iw_vf_idx);
- break;
- case I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE:
- if (!vf_dev)
- return I40IW_ERR_BAD_PTR;
- work_info.worker_vf_dev = vf_dev;
- work_info.callback_fcn = pf_del_hmc_obj_callback;
- memcpy(&vf_dev->vf_msg_buffer.vchnl_msg, vchnl_msg, len);
- i40iw_cqp_spawn_worker(dev, &work_info, vf_dev->iw_vf_idx);
- break;
- case I40IW_VCHNL_OP_GET_STATS:
- if (!vf_dev)
- return I40IW_ERR_BAD_PTR;
- stats = &vf_dev->pestat;
- i40iw_hw_stats_read_all(stats, &stats->hw_stats);
- vf_dev->msg_count--;
- vchnl_pf_send_get_pe_stats_resp(dev, vf_id, vchnl_msg, &stats->hw_stats);
- break;
- default:
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "40iw_vchnl_recv_pf: Invalid OpCode 0x%x\n",
- vchnl_msg->iw_op_code);
- vchnl_pf_send_error_resp(dev, vf_id,
- vchnl_msg, (u16)I40IW_ERR_NOT_IMPLEMENTED);
- }
- return I40IW_SUCCESS;
-}
-
-/**
- * i40iw_vchnl_recv_vf - Receive VF virtual channel messages
- * @dev: IWARP device pointer
- * @vf_id: Virtual function ID associated with the message
- * @msg: Virtual channel message buffer pointer
- * @len: Length of the virtual channels message
- */
-enum i40iw_status_code i40iw_vchnl_recv_vf(struct i40iw_sc_dev *dev,
- u32 vf_id,
- u8 *msg,
- u16 len)
-{
- struct i40iw_virtchnl_resp_buf *vchnl_msg_resp = (struct i40iw_virtchnl_resp_buf *)msg;
- struct i40iw_virtchnl_req *vchnl_req;
-
- vchnl_req = (struct i40iw_virtchnl_req *)(uintptr_t)vchnl_msg_resp->iw_chnl_op_ctx;
- vchnl_req->ret_code = (enum i40iw_status_code)vchnl_msg_resp->iw_op_ret_code;
- if (len == (sizeof(*vchnl_msg_resp) + vchnl_req->parm_len - 1)) {
- if (vchnl_req->parm_len && vchnl_req->parm)
- memcpy(vchnl_req->parm, vchnl_msg_resp->iw_chnl_buf, vchnl_req->parm_len);
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: Got response, data size %u\n", __func__,
- vchnl_req->parm_len);
- } else {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s: error length on response, Got %u, expected %u\n", __func__,
- len, (u32)(sizeof(*vchnl_msg_resp) + vchnl_req->parm_len - 1));
- }
-
- return I40IW_SUCCESS;
-}
-
-/**
- * i40iw_vchnl_vf_get_ver - Request Channel version
- * @dev: IWARP device pointer
- * @vchnl_ver: Virtual channel message version pointer
- */
-enum i40iw_status_code i40iw_vchnl_vf_get_ver(struct i40iw_sc_dev *dev,
- u32 *vchnl_ver)
-{
- struct i40iw_virtchnl_req vchnl_req;
- enum i40iw_status_code ret_code;
-
- if (!i40iw_vf_clear_to_send(dev))
- return I40IW_ERR_TIMEOUT;
- memset(&vchnl_req, 0, sizeof(vchnl_req));
- vchnl_req.dev = dev;
- vchnl_req.parm = vchnl_ver;
- vchnl_req.parm_len = sizeof(*vchnl_ver);
- vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
-
- ret_code = vchnl_vf_send_get_ver_req(dev, &vchnl_req);
- if (ret_code) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s Send message failed 0x%0x\n", __func__, ret_code);
- return ret_code;
- }
- ret_code = i40iw_vf_wait_vchnl_resp(dev);
- if (ret_code)
- return ret_code;
- else
- return vchnl_req.ret_code;
-}
-
-/**
- * i40iw_vchnl_vf_get_hmc_fcn - Request HMC Function
- * @dev: IWARP device pointer
- * @hmc_fcn: HMC function index pointer
- */
-enum i40iw_status_code i40iw_vchnl_vf_get_hmc_fcn(struct i40iw_sc_dev *dev,
- u16 *hmc_fcn)
-{
- struct i40iw_virtchnl_req vchnl_req;
- enum i40iw_status_code ret_code;
-
- if (!i40iw_vf_clear_to_send(dev))
- return I40IW_ERR_TIMEOUT;
- memset(&vchnl_req, 0, sizeof(vchnl_req));
- vchnl_req.dev = dev;
- vchnl_req.parm = hmc_fcn;
- vchnl_req.parm_len = sizeof(*hmc_fcn);
- vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
-
- ret_code = vchnl_vf_send_get_hmc_fcn_req(dev, &vchnl_req);
- if (ret_code) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s Send message failed 0x%0x\n", __func__, ret_code);
- return ret_code;
- }
- ret_code = i40iw_vf_wait_vchnl_resp(dev);
- if (ret_code)
- return ret_code;
- else
- return vchnl_req.ret_code;
-}
-
-/**
- * i40iw_vchnl_vf_add_hmc_objs - Add HMC Object
- * @dev: IWARP device pointer
- * @rsrc_type: HMC Resource type
- * @start_index: Starting index of the objects to be added
- * @rsrc_count: Number of resources to be added
- */
-enum i40iw_status_code i40iw_vchnl_vf_add_hmc_objs(struct i40iw_sc_dev *dev,
- enum i40iw_hmc_rsrc_type rsrc_type,
- u32 start_index,
- u32 rsrc_count)
-{
- struct i40iw_virtchnl_req vchnl_req;
- enum i40iw_status_code ret_code;
-
- if (!i40iw_vf_clear_to_send(dev))
- return I40IW_ERR_TIMEOUT;
- memset(&vchnl_req, 0, sizeof(vchnl_req));
- vchnl_req.dev = dev;
- vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
-
- ret_code = vchnl_vf_send_add_hmc_objs_req(dev,
- &vchnl_req,
- rsrc_type,
- start_index,
- rsrc_count);
- if (ret_code) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s Send message failed 0x%0x\n", __func__, ret_code);
- return ret_code;
- }
- ret_code = i40iw_vf_wait_vchnl_resp(dev);
- if (ret_code)
- return ret_code;
- else
- return vchnl_req.ret_code;
-}
-
-/**
- * i40iw_vchnl_vf_del_hmc_obj - del HMC obj
- * @dev: IWARP device pointer
- * @rsrc_type: HMC Resource type
- * @start_index: Starting index of the object to delete
- * @rsrc_count: Number of resources to be delete
- */
-enum i40iw_status_code i40iw_vchnl_vf_del_hmc_obj(struct i40iw_sc_dev *dev,
- enum i40iw_hmc_rsrc_type rsrc_type,
- u32 start_index,
- u32 rsrc_count)
-{
- struct i40iw_virtchnl_req vchnl_req;
- enum i40iw_status_code ret_code;
-
- if (!i40iw_vf_clear_to_send(dev))
- return I40IW_ERR_TIMEOUT;
- memset(&vchnl_req, 0, sizeof(vchnl_req));
- vchnl_req.dev = dev;
- vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
-
- ret_code = vchnl_vf_send_del_hmc_objs_req(dev,
- &vchnl_req,
- rsrc_type,
- start_index,
- rsrc_count);
- if (ret_code) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s Send message failed 0x%0x\n", __func__, ret_code);
- return ret_code;
- }
- ret_code = i40iw_vf_wait_vchnl_resp(dev);
- if (ret_code)
- return ret_code;
- else
- return vchnl_req.ret_code;
-}
-
-/**
- * i40iw_vchnl_vf_get_pe_stats - Get PE stats
- * @dev: IWARP device pointer
- * @hw_stats: HW stats struct
- */
-enum i40iw_status_code i40iw_vchnl_vf_get_pe_stats(struct i40iw_sc_dev *dev,
- struct i40iw_dev_hw_stats *hw_stats)
-{
- struct i40iw_virtchnl_req vchnl_req;
- enum i40iw_status_code ret_code;
-
- if (!i40iw_vf_clear_to_send(dev))
- return I40IW_ERR_TIMEOUT;
- memset(&vchnl_req, 0, sizeof(vchnl_req));
- vchnl_req.dev = dev;
- vchnl_req.parm = hw_stats;
- vchnl_req.parm_len = sizeof(*hw_stats);
- vchnl_req.vchnl_msg = &dev->vchnl_vf_msg_buf.vchnl_msg;
-
- ret_code = vchnl_vf_send_get_pe_stats_req(dev, &vchnl_req);
- if (ret_code) {
- i40iw_debug(dev, I40IW_DEBUG_VIRT,
- "%s Send message failed 0x%0x\n", __func__, ret_code);
- return ret_code;
- }
- ret_code = i40iw_vf_wait_vchnl_resp(dev);
- if (ret_code)
- return ret_code;
- else
- return vchnl_req.ret_code;
-}