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linux_dsm_epyc7002/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
Henry Orosco d6f7bbcc2e i40iw: Reorganize structures to align with HW capabilities 
Some resources are incorrectly organized and at odds with
HW capabilities. Specifically, ILQ, IEQ, QPs, MSS, QOS
and statistics belong in a VSI.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-12-12 17:20:29 -05:00

760 lines
26 KiB
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/*******************************************************************************
*
* 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) {
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);
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;
}
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