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Release 4.7 drivers/infiniband/hw/i40iw/i40iw_virtchnl.c

/*******************************************************************************
*
* 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
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* 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; }

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/** * 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; }

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/** * 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; }

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/** * 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; }

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/** * 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; }

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/** * 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); }

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/** * 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); }

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/** * 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); }

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/** * 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); }

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/** * 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); } }

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/** * 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); }

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/** * 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); }

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/** * 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_dev_pestat *devstat; enum i40iw_status_code ret_code; unsigned long flags; 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) { if (vchnl_msg->iw_op_ver != I40IW_VCHNL_OP_GET_VER_V0) vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); else 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); ret_code = i40iw_device_init_pestat(&vf_dev->dev_pestat); if (ret_code) i40iw_debug(dev, I40IW_DEBUG_VIRT, "VF%u - i40iw_device_init_pestat failed\n", vf_id); vf_dev->dev_pestat.ops.iw_hw_stat_init(&vf_dev->dev_pestat, (u8)vf_dev->pmf_index, dev->hw, false); 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; devstat = &vf_dev->dev_pestat; spin_lock_irqsave(&dev->dev_pestat.stats_lock, flags); devstat->ops.iw_hw_stat_read_all(devstat, &devstat->hw_stats); spin_unlock_irqrestore(&dev->dev_pestat.stats_lock, flags); vf_dev->msg_count--; vchnl_pf_send_get_pe_stats_resp(dev, vf_id, vchnl_msg, &devstat->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; }

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/** * 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; }

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/** * 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; }

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Total132100.00%2100.00%

/** * 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; }

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Total132100.00%2100.00%

/** * 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; }

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/** * 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; }

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/** * 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; }

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