Release 4.7 drivers/net/ethernet/qlogic/qed/qed_mcp.h
/* QLogic qed NIC Driver
* Copyright (c) 2015 QLogic Corporation
*
* This software is available 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.
*/
#ifndef _QED_MCP_H
#define _QED_MCP_H
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include "qed_hsi.h"
struct qed_mcp_link_speed_params {
bool autoneg;
u32 advertised_speeds; /* bitmask of DRV_SPEED_CAPABILITY */
u32 forced_speed; /* In Mb/s */
};
struct qed_mcp_link_pause_params {
bool autoneg;
bool forced_rx;
bool forced_tx;
};
struct qed_mcp_link_params {
struct qed_mcp_link_speed_params speed;
struct qed_mcp_link_pause_params pause;
u32 loopback_mode;
};
struct qed_mcp_link_capabilities {
u32 speed_capabilities;
};
struct qed_mcp_link_state {
bool link_up;
u32 min_pf_rate;
/* Actual link speed in Mb/s */
u32 line_speed;
/* PF max speed in Mb/s, deduced from line_speed
* according to PF max bandwidth configuration.
*/
u32 speed;
bool full_duplex;
bool an;
bool an_complete;
bool parallel_detection;
bool pfc_enabled;
#define QED_LINK_PARTNER_SPEED_1G_HD BIT(0)
#define QED_LINK_PARTNER_SPEED_1G_FD BIT(1)
#define QED_LINK_PARTNER_SPEED_10G BIT(2)
#define QED_LINK_PARTNER_SPEED_20G BIT(3)
#define QED_LINK_PARTNER_SPEED_40G BIT(4)
#define QED_LINK_PARTNER_SPEED_50G BIT(5)
#define QED_LINK_PARTNER_SPEED_100G BIT(6)
u32 partner_adv_speed;
bool partner_tx_flow_ctrl_en;
bool partner_rx_flow_ctrl_en;
#define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1)
#define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2)
#define QED_LINK_PARTNER_BOTH_PAUSE (3)
u8 partner_adv_pause;
bool sfp_tx_fault;
};
struct qed_mcp_function_info {
u8 pause_on_host;
enum qed_pci_personality protocol;
u8 bandwidth_min;
u8 bandwidth_max;
u8 mac[ETH_ALEN];
u64 wwn_port;
u64 wwn_node;
#define QED_MCP_VLAN_UNSET (0xffff)
u16 ovlan;
};
struct qed_mcp_nvm_common {
u32 offset;
u32 param;
u32 resp;
u32 cmd;
};
struct qed_mcp_drv_version {
u32 version;
u8 name[MCP_DRV_VER_STR_SIZE - 4];
};
/**
* @brief - returns the link params of the hw function
*
* @param p_hwfn
*
* @returns pointer to link params
*/
struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *);
/**
* @brief - return the link state of the hw function
*
* @param p_hwfn
*
* @returns pointer to link state
*/
struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *);
/**
* @brief - return the link capabilities of the hw function
*
* @param p_hwfn
*
* @returns pointer to link capabilities
*/
struct qed_mcp_link_capabilities
*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn);
/**
* @brief Request the MFW to set the the link according to 'link_input'.
*
* @param p_hwfn
* @param p_ptt
* @param b_up - raise link if `true'. Reset link if `false'.
*
* @return int
*/
int qed_mcp_set_link(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
bool b_up);
/**
* @brief Get the management firmware version value
*
* @param p_hwfn
* @param p_ptt
* @param p_mfw_ver - mfw version value
* @param p_running_bundle_id - image id in nvram; Optional.
*
* @return int - 0 - operation was successful.
*/
int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u32 *p_mfw_ver, u32 *p_running_bundle_id);
/**
* @brief Get media type value of the port.
*
* @param cdev - qed dev pointer
* @param mfw_ver - media type value
*
* @return int -
* 0 - Operation was successul.
* -EBUSY - Operation failed
*/
int qed_mcp_get_media_type(struct qed_dev *cdev,
u32 *media_type);
/**
* @brief General function for sending commands to the MCP
* mailbox. It acquire mutex lock for the entire
* operation, from sending the request until the MCP
* response. Waiting for MCP response will be checked up
* to 5 seconds every 5ms.
*
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
* @param cmd - command to be sent to the MCP.
* @param param - Optional param
* @param o_mcp_resp - The MCP response code (exclude sequence).
* @param o_mcp_param- Optional parameter provided by the MCP
* response
* @return int - 0 - operation
* was successul.
*/
int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u32 cmd,
u32 param,
u32 *o_mcp_resp,
u32 *o_mcp_param);
/**
* @brief - drains the nig, allowing completion to pass in case of pauses.
* (Should be called only from sleepable context)
*
* @param p_hwfn
* @param p_ptt
*/
int qed_mcp_drain(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Get the flash size value
*
* @param p_hwfn
* @param p_ptt
* @param p_flash_size - flash size in bytes to be filled.
*
* @return int - 0 - operation was successul.
*/
int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u32 *p_flash_size);
/**
* @brief Send driver version to MFW
*
* @param p_hwfn
* @param p_ptt
* @param version - Version value
* @param name - Protocol driver name
*
* @return int - 0 - operation was successul.
*/
int
qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_mcp_drv_version *p_ver);
/**
* @brief Set LED status
*
* @param p_hwfn
* @param p_ptt
* @param mode - LED mode
*
* @return int - 0 - operation was successful.
*/
int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
enum qed_led_mode mode);
/**
* @brief Bist register test
*
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
*
* @return int - 0 - operation was successful.
*/
int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Bist clock test
*
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
*
* @return int - 0 - operation was successful.
*/
int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/* Using hwfn number (and not pf_num) is required since in CMT mode,
* same pf_num may be used by two different hwfn
* TODO - this shouldn't really be in .h file, but until all fields
* required during hw-init will be placed in their correct place in shmem
* we need it in qed_dev.c [for readin the nvram reflection in shmem].
*/
#define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \
((rel_pfid) | \
((p_hwfn)->abs_pf_id & 1) << 3) : \
rel_pfid)
#define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
/* TODO - this is only correct as long as only BB is supported, and
* no port-swapping is implemented; Afterwards we'll need to fix it.
*/
#define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \
((_p_hwfn)->cdev->num_ports_in_engines * 2))
struct qed_mcp_info {
spinlock_t lock;
bool block_mb_sending;
u32 public_base;
u32 drv_mb_addr;
u32 mfw_mb_addr;
u32 port_addr;
u16 drv_mb_seq;
u16 drv_pulse_seq;
struct qed_mcp_link_params link_input;
struct qed_mcp_link_state link_output;
struct qed_mcp_link_capabilities link_capabilities;
struct qed_mcp_function_info func_info;
u8 *mfw_mb_cur;
u8 *mfw_mb_shadow;
u16 mfw_mb_length;
u16 mcp_hist;
};
struct qed_mcp_mb_params {
u32 cmd;
u32 param;
union drv_union_data *p_data_src;
union drv_union_data *p_data_dst;
u32 mcp_resp;
u32 mcp_param;
};
/**
* @brief Initialize the interface with the MCP
*
* @param p_hwfn - HW func
* @param p_ptt - PTT required for register access
*
* @return int
*/
int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Initialize the port interface with the MCP
*
* @param p_hwfn
* @param p_ptt
* Can only be called after `num_ports_in_engines' is set
*/
void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Releases resources allocated during the init process.
*
* @param p_hwfn - HW func
* @param p_ptt - PTT required for register access
*
* @return int
*/
int qed_mcp_free(struct qed_hwfn *p_hwfn);
/**
* @brief This function is called from the DPC context. After
* pointing PTT to the mfw mb, check for events sent by the MCP
* to the driver and ack them. In case a critical event
* detected, it will be handled here, otherwise the work will be
* queued to a sleepable work-queue.
*
* @param p_hwfn - HW function
* @param p_ptt - PTT required for register access
* @return int - 0 - operation
* was successul.
*/
int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Sends a LOAD_REQ to the MFW, and in case operation
* succeed, returns whether this PF is the first on the
* chip/engine/port or function. This function should be
* called when driver is ready to accept MFW events after
* Storms initializations are done.
*
* @param p_hwfn - hw function
* @param p_ptt - PTT required for register access
* @param p_load_code - The MCP response param containing one
* of the following:
* FW_MSG_CODE_DRV_LOAD_ENGINE
* FW_MSG_CODE_DRV_LOAD_PORT
* FW_MSG_CODE_DRV_LOAD_FUNCTION
* @return int -
* 0 - Operation was successul.
* -EBUSY - Operation failed
*/
int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u32 *p_load_code);
/**
* @brief Read the MFW mailbox into Current buffer.
*
* @param p_hwfn
* @param p_ptt
*/
void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief Ack to mfw that driver finished FLR process for VFs
*
* @param p_hwfn
* @param p_ptt
* @param vfs_to_ack - bit mask of all engine VFs for which the PF acks.
*
* @param return int - 0 upon success.
*/
int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, u32 *vfs_to_ack);
/**
* @brief - calls during init to read shmem of all function-related info.
*
* @param p_hwfn
*
* @param return 0 upon success.
*/
int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief - Reset the MCP using mailbox command.
*
* @param p_hwfn
* @param p_ptt
*
* @param return 0 upon success.
*/
int qed_mcp_reset(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
/**
* @brief indicates whether the MFW objects [under mcp_info] are accessible
*
* @param p_hwfn
*
* @return true iff MFW is running and mcp_info is initialized
*/
bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
/**
* @brief request MFW to configure MSI-X for a VF
*
* @param p_hwfn
* @param p_ptt
* @param vf_id - absolute inside engine
* @param num_sbs - number of entries to request
*
* @return int
*/
int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, u8 vf_id, u8 num);
int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw);
int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_mcp_link_state *p_link,
u8 max_bw);
int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_mcp_link_state *p_link,
u8 min_bw);
#endif
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