551 lines
13 KiB
C
551 lines
13 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015 QLogic Corporation
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*
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* This software is available under the terms of the GNU General Public License
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* (GPL) Version 2, available from the file COPYING in the main directory of
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* this source tree.
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*/
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#ifndef _QED_MCP_H
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#define _QED_MCP_H
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#include <linux/types.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/spinlock.h>
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#include "qed_hsi.h"
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struct qed_mcp_link_speed_params {
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bool autoneg;
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u32 advertised_speeds; /* bitmask of DRV_SPEED_CAPABILITY */
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u32 forced_speed; /* In Mb/s */
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};
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struct qed_mcp_link_pause_params {
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bool autoneg;
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bool forced_rx;
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bool forced_tx;
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};
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struct qed_mcp_link_params {
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struct qed_mcp_link_speed_params speed;
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struct qed_mcp_link_pause_params pause;
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u32 loopback_mode;
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};
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struct qed_mcp_link_capabilities {
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u32 speed_capabilities;
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bool default_speed_autoneg;
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};
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struct qed_mcp_link_state {
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bool link_up;
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u32 min_pf_rate;
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/* Actual link speed in Mb/s */
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u32 line_speed;
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/* PF max speed in Mb/s, deduced from line_speed
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* according to PF max bandwidth configuration.
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*/
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u32 speed;
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bool full_duplex;
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bool an;
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bool an_complete;
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bool parallel_detection;
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bool pfc_enabled;
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#define QED_LINK_PARTNER_SPEED_1G_HD BIT(0)
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#define QED_LINK_PARTNER_SPEED_1G_FD BIT(1)
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#define QED_LINK_PARTNER_SPEED_10G BIT(2)
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#define QED_LINK_PARTNER_SPEED_20G BIT(3)
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#define QED_LINK_PARTNER_SPEED_25G BIT(4)
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#define QED_LINK_PARTNER_SPEED_40G BIT(5)
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#define QED_LINK_PARTNER_SPEED_50G BIT(6)
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#define QED_LINK_PARTNER_SPEED_100G BIT(7)
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u32 partner_adv_speed;
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bool partner_tx_flow_ctrl_en;
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bool partner_rx_flow_ctrl_en;
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#define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1)
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#define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2)
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#define QED_LINK_PARTNER_BOTH_PAUSE (3)
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u8 partner_adv_pause;
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bool sfp_tx_fault;
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};
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struct qed_mcp_function_info {
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u8 pause_on_host;
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enum qed_pci_personality protocol;
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u8 bandwidth_min;
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u8 bandwidth_max;
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u8 mac[ETH_ALEN];
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u64 wwn_port;
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u64 wwn_node;
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#define QED_MCP_VLAN_UNSET (0xffff)
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u16 ovlan;
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};
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struct qed_mcp_nvm_common {
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u32 offset;
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u32 param;
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u32 resp;
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u32 cmd;
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};
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struct qed_mcp_drv_version {
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u32 version;
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u8 name[MCP_DRV_VER_STR_SIZE - 4];
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};
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struct qed_mcp_lan_stats {
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u64 ucast_rx_pkts;
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u64 ucast_tx_pkts;
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u32 fcs_err;
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};
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struct qed_mcp_fcoe_stats {
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u64 rx_pkts;
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u64 tx_pkts;
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u32 fcs_err;
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u32 login_failure;
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};
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struct qed_mcp_iscsi_stats {
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u64 rx_pdus;
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u64 tx_pdus;
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u64 rx_bytes;
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u64 tx_bytes;
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};
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struct qed_mcp_rdma_stats {
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u64 rx_pkts;
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u64 tx_pkts;
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u64 rx_bytes;
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u64 tx_byts;
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};
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enum qed_mcp_protocol_type {
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QED_MCP_LAN_STATS,
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QED_MCP_FCOE_STATS,
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QED_MCP_ISCSI_STATS,
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QED_MCP_RDMA_STATS
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};
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union qed_mcp_protocol_stats {
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struct qed_mcp_lan_stats lan_stats;
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struct qed_mcp_fcoe_stats fcoe_stats;
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struct qed_mcp_iscsi_stats iscsi_stats;
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struct qed_mcp_rdma_stats rdma_stats;
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};
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/**
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* @brief - returns the link params of the hw function
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*
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* @param p_hwfn
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*
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* @returns pointer to link params
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*/
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struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *);
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/**
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* @brief - return the link state of the hw function
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*
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* @param p_hwfn
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*
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* @returns pointer to link state
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*/
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struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *);
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/**
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* @brief - return the link capabilities of the hw function
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*
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* @param p_hwfn
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*
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* @returns pointer to link capabilities
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*/
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struct qed_mcp_link_capabilities
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*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn);
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/**
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* @brief Request the MFW to set the the link according to 'link_input'.
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*
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* @param p_hwfn
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* @param p_ptt
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* @param b_up - raise link if `true'. Reset link if `false'.
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*
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* @return int
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*/
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int qed_mcp_set_link(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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bool b_up);
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/**
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* @brief Get the management firmware version value
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*
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* @param p_hwfn
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* @param p_ptt
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* @param p_mfw_ver - mfw version value
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* @param p_running_bundle_id - image id in nvram; Optional.
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*
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* @return int - 0 - operation was successful.
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*/
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int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u32 *p_mfw_ver, u32 *p_running_bundle_id);
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/**
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* @brief Get media type value of the port.
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*
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* @param cdev - qed dev pointer
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* @param mfw_ver - media type value
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*
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* @return int -
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* 0 - Operation was successul.
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* -EBUSY - Operation failed
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*/
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int qed_mcp_get_media_type(struct qed_dev *cdev,
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u32 *media_type);
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/**
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* @brief General function for sending commands to the MCP
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* mailbox. It acquire mutex lock for the entire
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* operation, from sending the request until the MCP
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* response. Waiting for MCP response will be checked up
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* to 5 seconds every 5ms.
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*
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* @param p_hwfn - hw function
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* @param p_ptt - PTT required for register access
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* @param cmd - command to be sent to the MCP.
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* @param param - Optional param
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* @param o_mcp_resp - The MCP response code (exclude sequence).
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* @param o_mcp_param- Optional parameter provided by the MCP
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* response
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* @return int - 0 - operation
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* was successul.
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*/
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int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u32 cmd,
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u32 param,
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u32 *o_mcp_resp,
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u32 *o_mcp_param);
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/**
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* @brief - drains the nig, allowing completion to pass in case of pauses.
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* (Should be called only from sleepable context)
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*
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* @param p_hwfn
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* @param p_ptt
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*/
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int qed_mcp_drain(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Get the flash size value
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*
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* @param p_hwfn
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* @param p_ptt
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* @param p_flash_size - flash size in bytes to be filled.
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*
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* @return int - 0 - operation was successul.
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*/
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int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u32 *p_flash_size);
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/**
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* @brief Send driver version to MFW
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*
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* @param p_hwfn
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* @param p_ptt
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* @param version - Version value
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* @param name - Protocol driver name
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*
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* @return int - 0 - operation was successul.
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*/
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int
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qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_mcp_drv_version *p_ver);
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/**
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* @brief Set LED status
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*
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* @param p_hwfn
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* @param p_ptt
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* @param mode - LED mode
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*
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* @return int - 0 - operation was successful.
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*/
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int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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enum qed_led_mode mode);
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/**
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* @brief Bist register test
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*
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* @param p_hwfn - hw function
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* @param p_ptt - PTT required for register access
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*
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* @return int - 0 - operation was successful.
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*/
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int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Bist clock test
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*
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* @param p_hwfn - hw function
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* @param p_ptt - PTT required for register access
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*
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* @return int - 0 - operation was successful.
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*/
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int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/* Using hwfn number (and not pf_num) is required since in CMT mode,
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* same pf_num may be used by two different hwfn
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* TODO - this shouldn't really be in .h file, but until all fields
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* required during hw-init will be placed in their correct place in shmem
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* we need it in qed_dev.c [for readin the nvram reflection in shmem].
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*/
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#define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \
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((rel_pfid) | \
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((p_hwfn)->abs_pf_id & 1) << 3) : \
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rel_pfid)
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#define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
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/* TODO - this is only correct as long as only BB is supported, and
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* no port-swapping is implemented; Afterwards we'll need to fix it.
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*/
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#define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \
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((_p_hwfn)->cdev->num_ports_in_engines * 2))
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struct qed_mcp_info {
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spinlock_t lock;
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bool block_mb_sending;
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u32 public_base;
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u32 drv_mb_addr;
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u32 mfw_mb_addr;
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u32 port_addr;
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u16 drv_mb_seq;
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u16 drv_pulse_seq;
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struct qed_mcp_link_params link_input;
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struct qed_mcp_link_state link_output;
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struct qed_mcp_link_capabilities link_capabilities;
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struct qed_mcp_function_info func_info;
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u8 *mfw_mb_cur;
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u8 *mfw_mb_shadow;
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u16 mfw_mb_length;
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u16 mcp_hist;
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};
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struct qed_mcp_mb_params {
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u32 cmd;
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u32 param;
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union drv_union_data *p_data_src;
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union drv_union_data *p_data_dst;
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u32 mcp_resp;
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u32 mcp_param;
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};
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/**
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* @brief Initialize the interface with the MCP
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*
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* @param p_hwfn - HW func
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* @param p_ptt - PTT required for register access
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*
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* @return int
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*/
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int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Initialize the port interface with the MCP
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*
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* @param p_hwfn
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* @param p_ptt
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* Can only be called after `num_ports_in_engines' is set
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*/
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void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Releases resources allocated during the init process.
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*
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* @param p_hwfn - HW func
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* @param p_ptt - PTT required for register access
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*
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* @return int
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*/
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int qed_mcp_free(struct qed_hwfn *p_hwfn);
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/**
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* @brief This function is called from the DPC context. After
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* pointing PTT to the mfw mb, check for events sent by the MCP
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* to the driver and ack them. In case a critical event
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* detected, it will be handled here, otherwise the work will be
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* queued to a sleepable work-queue.
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*
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* @param p_hwfn - HW function
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* @param p_ptt - PTT required for register access
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* @return int - 0 - operation
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* was successul.
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*/
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int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Sends a LOAD_REQ to the MFW, and in case operation
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* succeed, returns whether this PF is the first on the
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* chip/engine/port or function. This function should be
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* called when driver is ready to accept MFW events after
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* Storms initializations are done.
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*
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* @param p_hwfn - hw function
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* @param p_ptt - PTT required for register access
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* @param p_load_code - The MCP response param containing one
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* of the following:
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* FW_MSG_CODE_DRV_LOAD_ENGINE
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* FW_MSG_CODE_DRV_LOAD_PORT
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* FW_MSG_CODE_DRV_LOAD_FUNCTION
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* @return int -
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* 0 - Operation was successul.
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* -EBUSY - Operation failed
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*/
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int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u32 *p_load_code);
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/**
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* @brief Read the MFW mailbox into Current buffer.
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*
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* @param p_hwfn
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* @param p_ptt
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*/
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void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief Ack to mfw that driver finished FLR process for VFs
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*
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* @param p_hwfn
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* @param p_ptt
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* @param vfs_to_ack - bit mask of all engine VFs for which the PF acks.
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*
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* @param return int - 0 upon success.
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*/
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int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt, u32 *vfs_to_ack);
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/**
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* @brief - calls during init to read shmem of all function-related info.
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*
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* @param p_hwfn
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*
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* @param return 0 upon success.
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*/
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int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief - Reset the MCP using mailbox command.
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*
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* @param p_hwfn
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* @param p_ptt
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*
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* @param return 0 upon success.
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*/
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int qed_mcp_reset(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt);
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/**
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* @brief - Sends an NVM read command request to the MFW to get
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* a buffer.
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*
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* @param p_hwfn
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* @param p_ptt
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* @param cmd - Command: DRV_MSG_CODE_NVM_GET_FILE_DATA or
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* DRV_MSG_CODE_NVM_READ_NVRAM commands
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* @param param - [0:23] - Offset [24:31] - Size
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* @param o_mcp_resp - MCP response
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* @param o_mcp_param - MCP response param
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* @param o_txn_size - Buffer size output
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* @param o_buf - Pointer to the buffer returned by the MFW.
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*
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* @param return 0 upon success.
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*/
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int qed_mcp_nvm_rd_cmd(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u32 cmd,
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u32 param,
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u32 *o_mcp_resp,
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u32 *o_mcp_param, u32 *o_txn_size, u32 *o_buf);
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/**
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* @brief indicates whether the MFW objects [under mcp_info] are accessible
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*
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* @param p_hwfn
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*
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* @return true iff MFW is running and mcp_info is initialized
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*/
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bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
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/**
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* @brief request MFW to configure MSI-X for a VF
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*
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* @param p_hwfn
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* @param p_ptt
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* @param vf_id - absolute inside engine
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* @param num_sbs - number of entries to request
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*
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* @return int
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*/
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int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt, u8 vf_id, u8 num);
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/**
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* @brief - Halt the MCP.
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*
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* @param p_hwfn
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* @param p_ptt
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*
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* @param return 0 upon success.
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*/
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int qed_mcp_halt(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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/**
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* @brief - Wake up the MCP.
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*
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* @param p_hwfn
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* @param p_ptt
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*
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* @param return 0 upon success.
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*/
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int qed_mcp_resume(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
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int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw);
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int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
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int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_mcp_link_state *p_link,
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u8 max_bw);
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int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_mcp_link_state *p_link,
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u8 min_bw);
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|
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int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt, u32 mask_parities);
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#endif
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