255 lines
7.4 KiB
C
255 lines
7.4 KiB
C
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/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
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* Copyright(c) 2013 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#include "i40e_type.h"
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#include "i40e_adminq.h"
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#include "i40e_prototype.h"
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#include "i40e_virtchnl.h"
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/**
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* i40e_set_mac_type - Sets MAC type
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* @hw: pointer to the HW structure
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*
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* This function sets the mac type of the adapter based on the
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* vendor ID and device ID stored in the hw structure.
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**/
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i40e_status i40e_set_mac_type(struct i40e_hw *hw)
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{
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i40e_status status = 0;
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if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
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switch (hw->device_id) {
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case I40E_SFP_XL710_DEVICE_ID:
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case I40E_SFP_X710_DEVICE_ID:
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case I40E_QEMU_DEVICE_ID:
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case I40E_KX_A_DEVICE_ID:
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case I40E_KX_B_DEVICE_ID:
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case I40E_KX_C_DEVICE_ID:
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case I40E_KX_D_DEVICE_ID:
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case I40E_QSFP_A_DEVICE_ID:
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case I40E_QSFP_B_DEVICE_ID:
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case I40E_QSFP_C_DEVICE_ID:
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hw->mac.type = I40E_MAC_XL710;
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break;
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case I40E_VF_DEVICE_ID:
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case I40E_VF_HV_DEVICE_ID:
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hw->mac.type = I40E_MAC_VF;
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break;
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default:
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hw->mac.type = I40E_MAC_GENERIC;
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break;
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}
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} else {
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status = I40E_ERR_DEVICE_NOT_SUPPORTED;
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}
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hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
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hw->mac.type, status);
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return status;
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}
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/**
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* i40evf_debug_aq
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* @hw: debug mask related to admin queue
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* @mask: debug mask
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* @desc: pointer to admin queue descriptor
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* @buffer: pointer to command buffer
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*
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* Dumps debug log about adminq command with descriptor contents.
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**/
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void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
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void *buffer)
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{
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struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
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u8 *aq_buffer = (u8 *)buffer;
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u32 data[4];
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u32 i = 0;
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if ((!(mask & hw->debug_mask)) || (desc == NULL))
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return;
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i40e_debug(hw, mask,
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"AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
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aq_desc->opcode, aq_desc->flags, aq_desc->datalen,
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aq_desc->retval);
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i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
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aq_desc->cookie_high, aq_desc->cookie_low);
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i40e_debug(hw, mask, "\tparam (0,1) 0x%08X 0x%08X\n",
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aq_desc->params.internal.param0,
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aq_desc->params.internal.param1);
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i40e_debug(hw, mask, "\taddr (h,l) 0x%08X 0x%08X\n",
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aq_desc->params.external.addr_high,
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aq_desc->params.external.addr_low);
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if ((buffer != NULL) && (aq_desc->datalen != 0)) {
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memset(data, 0, sizeof(data));
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i40e_debug(hw, mask, "AQ CMD Buffer:\n");
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for (i = 0; i < le16_to_cpu(aq_desc->datalen); i++) {
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data[((i % 16) / 4)] |=
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((u32)aq_buffer[i]) << (8 * (i % 4));
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if ((i % 16) == 15) {
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i40e_debug(hw, mask,
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"\t0x%04X %08X %08X %08X %08X\n",
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i - 15, data[0], data[1], data[2],
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data[3]);
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memset(data, 0, sizeof(data));
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}
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}
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if ((i % 16) != 0)
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i40e_debug(hw, mask, "\t0x%04X %08X %08X %08X %08X\n",
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i - (i % 16), data[0], data[1], data[2],
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data[3]);
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}
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}
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/**
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* i40evf_check_asq_alive
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* @hw: pointer to the hw struct
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*
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* Returns true if Queue is enabled else false.
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**/
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bool i40evf_check_asq_alive(struct i40e_hw *hw)
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{
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return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK);
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}
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/**
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* i40evf_aq_queue_shutdown
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* @hw: pointer to the hw struct
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* @unloading: is the driver unloading itself
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*
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* Tell the Firmware that we're shutting down the AdminQ and whether
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* or not the driver is unloading as well.
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**/
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i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
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bool unloading)
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{
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struct i40e_aq_desc desc;
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struct i40e_aqc_queue_shutdown *cmd =
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(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
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i40e_status status;
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i40evf_fill_default_direct_cmd_desc(&desc,
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i40e_aqc_opc_queue_shutdown);
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if (unloading)
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cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
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status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
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return status;
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}
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/**
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* i40e_aq_send_msg_to_pf
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* @hw: pointer to the hardware structure
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* @v_opcode: opcodes for VF-PF communication
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* @v_retval: return error code
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* @msg: pointer to the msg buffer
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* @msglen: msg length
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* @cmd_details: pointer to command details
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*
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* Send message to PF driver using admin queue. By default, this message
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* is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
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* completion before returning.
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**/
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i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
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enum i40e_virtchnl_ops v_opcode,
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i40e_status v_retval,
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u8 *msg, u16 msglen,
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struct i40e_asq_cmd_details *cmd_details)
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{
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struct i40e_aq_desc desc;
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i40e_status status;
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i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
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desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
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desc.cookie_high = cpu_to_le32(v_opcode);
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desc.cookie_low = cpu_to_le32(v_retval);
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if (msglen) {
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desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
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| I40E_AQ_FLAG_RD));
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if (msglen > I40E_AQ_LARGE_BUF)
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desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
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desc.datalen = cpu_to_le16(msglen);
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}
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if (!cmd_details) {
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struct i40e_asq_cmd_details details;
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memset(&details, 0, sizeof(details));
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details.async = true;
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cmd_details = &details;
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}
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status = i40evf_asq_send_command(hw, (struct i40e_aq_desc *)&desc, msg,
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msglen, cmd_details);
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return status;
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}
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/**
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* i40e_vf_parse_hw_config
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* @hw: pointer to the hardware structure
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* @msg: pointer to the virtual channel VF resource structure
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*
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* Given a VF resource message from the PF, populate the hw struct
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* with appropriate information.
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**/
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void i40e_vf_parse_hw_config(struct i40e_hw *hw,
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struct i40e_virtchnl_vf_resource *msg)
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{
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struct i40e_virtchnl_vsi_resource *vsi_res;
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int i;
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vsi_res = &msg->vsi_res[0];
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hw->dev_caps.num_vsis = msg->num_vsis;
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hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
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hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
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hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
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hw->dev_caps.dcb = msg->vf_offload_flags &
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I40E_VIRTCHNL_VF_OFFLOAD_L2;
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hw->dev_caps.fcoe = (msg->vf_offload_flags &
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I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
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for (i = 0; i < msg->num_vsis; i++) {
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if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
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memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
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ETH_ALEN);
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memcpy(hw->mac.addr, vsi_res->default_mac_addr,
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ETH_ALEN);
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}
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vsi_res++;
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}
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}
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/**
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* i40e_vf_reset
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* @hw: pointer to the hardware structure
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*
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* Send a VF_RESET message to the PF. Does not wait for response from PF
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* as none will be forthcoming. Immediately after calling this function,
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* the admin queue should be shut down and (optionally) reinitialized.
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**/
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i40e_status i40e_vf_reset(struct i40e_hw *hw)
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{
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return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
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0, NULL, 0, NULL);
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}
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