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Date: Wed, 20 Jan 2016 13:40:14 -0600
From: Faisal Latif <faisal.latif@...el.com>
To: dledford@...hat.com
Cc: linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
jeffrey.t.kirsher@...el.com, e1000-rdma@...ts.sourceforge.net,
Faisal Latif <faisal.latif@...el.com>
Subject: [PATCH v3 14/16] i40iw: virtual channel handling files
i40iw_vf.[ch] and i40iw_virtchnl[ch] are used for virtual
channel support for iWARP VF module.
Changes since v2:
code cleanup
Acked-by: Anjali Singhai Jain <anjali.singhai@...el.com>
Acked-by: Shannon Nelson <shannon.nelson@...el.com>
Signed-off-by: Faisal Latif <faisal.latif@...el.com>
---
drivers/infiniband/hw/i40iw/i40iw_vf.c | 85 +++
drivers/infiniband/hw/i40iw/i40iw_vf.h | 62 +++
drivers/infiniband/hw/i40iw/i40iw_virtchnl.c | 748 +++++++++++++++++++++++++++
drivers/infiniband/hw/i40iw/i40iw_virtchnl.h | 124 +++++
4 files changed, 1019 insertions(+)
create mode 100644 drivers/infiniband/hw/i40iw/i40iw_vf.c
create mode 100644 drivers/infiniband/hw/i40iw/i40iw_vf.h
create mode 100644 drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
create mode 100644 drivers/infiniband/hw/i40iw/i40iw_virtchnl.h
diff --git a/drivers/infiniband/hw/i40iw/i40iw_vf.c b/drivers/infiniband/hw/i40iw/i40iw_vf.c
new file mode 100644
index 0000000..cb0f183
--- /dev/null
+++ b/drivers/infiniband/hw/i40iw/i40iw_vf.c
@@ -0,0 +1,85 @@
+/*******************************************************************************
+*
+* 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_vf.h"
+
+/**
+ * i40iw_manage_vf_pble_bp - manage vf pble
+ * @cqp: cqp for cqp' sq wqe
+ * @info: pble info
+ * @scratch: pointer for completion
+ * @post_sq: to post and ring
+ */
+enum i40iw_status_code i40iw_manage_vf_pble_bp(struct i40iw_sc_cqp *cqp,
+ struct i40iw_manage_vf_pble_info *info,
+ u64 scratch,
+ bool post_sq)
+{
+ u64 *wqe;
+ u64 temp, header, pd_pl_pba = 0;
+
+ wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
+ if (!wqe)
+ return I40IW_ERR_RING_FULL;
+
+ temp = LS_64(info->pd_entry_cnt, I40IW_CQPSQ_MVPBP_PD_ENTRY_CNT) |
+ LS_64(info->first_pd_index, I40IW_CQPSQ_MVPBP_FIRST_PD_INX) |
+ LS_64(info->sd_index, I40IW_CQPSQ_MVPBP_SD_INX);
+ set_64bit_val(wqe, 16, temp);
+
+ header = LS_64((info->inv_pd_ent ? 1 : 0), I40IW_CQPSQ_MVPBP_INV_PD_ENT) |
+ LS_64(I40IW_CQP_OP_MANAGE_VF_PBLE_BP, I40IW_CQPSQ_OPCODE) |
+ LS_64(cqp->polarity, I40IW_CQPSQ_WQEVALID);
+ set_64bit_val(wqe, 24, header);
+
+ pd_pl_pba = LS_64(info->pd_pl_pba >> 3, I40IW_CQPSQ_MVPBP_PD_PLPBA);
+ set_64bit_val(wqe, 32, pd_pl_pba);
+
+ i40iw_debug_buf(cqp->dev, I40IW_DEBUG_WQE, "MANAGE VF_PBLE_BP WQE", wqe, I40IW_CQP_WQE_SIZE * 8);
+
+ if (post_sq)
+ i40iw_sc_cqp_post_sq(cqp);
+ return 0;
+}
+
+struct i40iw_vf_cqp_ops iw_vf_cqp_ops = {
+ i40iw_manage_vf_pble_bp
+};
diff --git a/drivers/infiniband/hw/i40iw/i40iw_vf.h b/drivers/infiniband/hw/i40iw/i40iw_vf.h
new file mode 100644
index 0000000..f649f3a
--- /dev/null
+++ b/drivers/infiniband/hw/i40iw/i40iw_vf.h
@@ -0,0 +1,62 @@
+/*******************************************************************************
+*
+* 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.
+*
+*******************************************************************************/
+
+#ifndef I40IW_VF_H
+#define I40IW_VF_H
+
+struct i40iw_sc_cqp;
+
+struct i40iw_manage_vf_pble_info {
+ u32 sd_index;
+ u16 first_pd_index;
+ u16 pd_entry_cnt;
+ u8 inv_pd_ent;
+ u64 pd_pl_pba;
+};
+
+struct i40iw_vf_cqp_ops {
+ enum i40iw_status_code (*manage_vf_pble_bp)(struct i40iw_sc_cqp *,
+ struct i40iw_manage_vf_pble_info *,
+ u64,
+ bool);
+};
+
+enum i40iw_status_code i40iw_manage_vf_pble_bp(struct i40iw_sc_cqp *cqp,
+ struct i40iw_manage_vf_pble_info *info,
+ u64 scratch,
+ bool post_sq);
+
+extern struct i40iw_vf_cqp_ops iw_vf_cqp_ops;
+
+#endif
diff --git a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
new file mode 100644
index 0000000..6b68f78
--- /dev/null
+++ b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
@@ -0,0 +1,748 @@
+/*******************************************************************************
+*
+* 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_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;
+}
+
+/**
+ * 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;
+
+ 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) {
+ ret_code = i40iw_vf_wait_vchnl_resp(dev);
+ if (!ret_code)
+ ret_code = vchnl_req.ret_code;
+ else
+ dev->vchnl_up = false;
+ } else {
+ i40iw_debug(dev, I40IW_DEBUG_VIRT,
+ "%s Send message failed 0x%0x\n", __func__, ret_code);
+ }
+ return 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;
+
+ 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) {
+ ret_code = i40iw_vf_wait_vchnl_resp(dev);
+ if (!ret_code)
+ ret_code = vchnl_req.ret_code;
+ else
+ dev->vchnl_up = false;
+ } else {
+ i40iw_debug(dev, I40IW_DEBUG_VIRT,
+ "%s Send message failed 0x%0x\n", __func__, ret_code);
+ }
+ return 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;
+
+ 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) {
+ ret_code = i40iw_vf_wait_vchnl_resp(dev);
+ if (!ret_code)
+ ret_code = vchnl_req.ret_code;
+ else
+ dev->vchnl_up = false;
+ } else {
+ i40iw_debug(dev, I40IW_DEBUG_VIRT,
+ "%s Send message failed 0x%0x\n", __func__, ret_code);
+ }
+ return 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;
+
+ 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) {
+ ret_code = i40iw_vf_wait_vchnl_resp(dev);
+ if (!ret_code)
+ ret_code = vchnl_req.ret_code;
+ else
+ dev->vchnl_up = false;
+ } else {
+ i40iw_debug(dev, I40IW_DEBUG_VIRT,
+ "%s Send message failed 0x%0x\n", __func__, ret_code);
+ }
+ return 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;
+
+ 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) {
+ ret_code = i40iw_vf_wait_vchnl_resp(dev);
+ if (!ret_code)
+ ret_code = vchnl_req.ret_code;
+ else
+ dev->vchnl_up = false;
+ } else {
+ i40iw_debug(dev, I40IW_DEBUG_VIRT,
+ "%s Send message failed 0x%0x\n", __func__, ret_code);
+ }
+ return ret_code;
+}
diff --git a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.h b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.h
new file mode 100644
index 0000000..24886ef
--- /dev/null
+++ b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.h
@@ -0,0 +1,124 @@
+/*******************************************************************************
+*
+* 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.
+*
+*******************************************************************************/
+
+#ifndef I40IW_VIRTCHNL_H
+#define I40IW_VIRTCHNL_H
+
+#include "i40iw_hmc.h"
+
+#pragma pack(push, 1)
+
+struct i40iw_virtchnl_op_buf {
+ u16 iw_op_code;
+ u16 iw_op_ver;
+ u16 iw_chnl_buf_len;
+ u16 rsvd;
+ u64 iw_chnl_op_ctx;
+ /* Member alignment MUST be maintained above this location */
+ u8 iw_chnl_buf[1];
+};
+
+struct i40iw_virtchnl_resp_buf {
+ u64 iw_chnl_op_ctx;
+ u16 iw_chnl_buf_len;
+ s16 iw_op_ret_code;
+ /* Member alignment MUST be maintained above this location */
+ u16 rsvd[2];
+ u8 iw_chnl_buf[1];
+};
+
+enum i40iw_virtchnl_ops {
+ I40IW_VCHNL_OP_GET_VER = 0,
+ I40IW_VCHNL_OP_GET_HMC_FCN,
+ I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE,
+ I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE,
+ I40IW_VCHNL_OP_GET_STATS
+};
+
+#define I40IW_VCHNL_OP_GET_VER_V0 0
+#define I40IW_VCHNL_OP_GET_HMC_FCN_V0 0
+#define I40IW_VCHNL_OP_ADD_HMC_OBJ_RANGE_V0 0
+#define I40IW_VCHNL_OP_DEL_HMC_OBJ_RANGE_V0 0
+#define I40IW_VCHNL_OP_GET_STATS_V0 0
+#define I40IW_VCHNL_CHNL_VER_V0 0
+
+struct i40iw_dev_hw_stats;
+
+struct i40iw_virtchnl_hmc_obj_range {
+ u16 obj_type;
+ u16 rsvd;
+ u32 start_index;
+ u32 obj_count;
+};
+
+enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev,
+ u32 vf_id,
+ u8 *msg,
+ u16 len);
+
+enum i40iw_status_code i40iw_vchnl_recv_vf(struct i40iw_sc_dev *dev,
+ u32 vf_id,
+ u8 *msg,
+ u16 len);
+
+struct i40iw_virtchnl_req {
+ struct i40iw_sc_dev *dev;
+ struct i40iw_virtchnl_op_buf *vchnl_msg;
+ void *parm;
+ u32 vf_id;
+ u16 parm_len;
+ s16 ret_code;
+};
+
+#pragma pack(pop)
+
+enum i40iw_status_code i40iw_vchnl_vf_get_ver(struct i40iw_sc_dev *dev,
+ u32 *vchnl_ver);
+
+enum i40iw_status_code i40iw_vchnl_vf_get_hmc_fcn(struct i40iw_sc_dev *dev,
+ u16 *hmc_fcn);
+
+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);
+
+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);
+
+enum i40iw_status_code i40iw_vchnl_vf_get_pe_stats(struct i40iw_sc_dev *dev,
+ struct i40iw_dev_hw_stats *hw_stats);
+#endif
--
2.5.3
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