mirror of https://gitee.com/openkylin/linux.git
262 lines
8.1 KiB
C
262 lines
8.1 KiB
C
/****************************************************************************
|
|
* Driver for Solarflare Solarstorm network controllers and boards
|
|
* Copyright 2005-2006 Fen Systems Ltd.
|
|
* Copyright 2006-2009 Solarflare Communications Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation, incorporated herein by reference.
|
|
*/
|
|
|
|
#ifndef EFX_NIC_H
|
|
#define EFX_NIC_H
|
|
|
|
#include <linux/i2c-algo-bit.h>
|
|
#include "net_driver.h"
|
|
#include "efx.h"
|
|
#include "mcdi.h"
|
|
|
|
/*
|
|
* Falcon hardware control
|
|
*/
|
|
|
|
enum {
|
|
EFX_REV_FALCON_A0 = 0,
|
|
EFX_REV_FALCON_A1 = 1,
|
|
EFX_REV_FALCON_B0 = 2,
|
|
EFX_REV_SIENA_A0 = 3,
|
|
};
|
|
|
|
static inline int efx_nic_rev(struct efx_nic *efx)
|
|
{
|
|
return efx->type->revision;
|
|
}
|
|
|
|
extern u32 efx_nic_fpga_ver(struct efx_nic *efx);
|
|
|
|
static inline bool efx_nic_has_mc(struct efx_nic *efx)
|
|
{
|
|
return efx_nic_rev(efx) >= EFX_REV_SIENA_A0;
|
|
}
|
|
/* NIC has two interlinked PCI functions for the same port. */
|
|
static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
|
|
{
|
|
return efx_nic_rev(efx) < EFX_REV_FALCON_B0;
|
|
}
|
|
|
|
enum {
|
|
PHY_TYPE_NONE = 0,
|
|
PHY_TYPE_TXC43128 = 1,
|
|
PHY_TYPE_88E1111 = 2,
|
|
PHY_TYPE_SFX7101 = 3,
|
|
PHY_TYPE_QT2022C2 = 4,
|
|
PHY_TYPE_PM8358 = 6,
|
|
PHY_TYPE_SFT9001A = 8,
|
|
PHY_TYPE_QT2025C = 9,
|
|
PHY_TYPE_SFT9001B = 10,
|
|
};
|
|
|
|
#define FALCON_XMAC_LOOPBACKS \
|
|
((1 << LOOPBACK_XGMII) | \
|
|
(1 << LOOPBACK_XGXS) | \
|
|
(1 << LOOPBACK_XAUI))
|
|
|
|
#define FALCON_GMAC_LOOPBACKS \
|
|
(1 << LOOPBACK_GMAC)
|
|
|
|
/**
|
|
* struct falcon_board_type - board operations and type information
|
|
* @id: Board type id, as found in NVRAM
|
|
* @ref_model: Model number of Solarflare reference design
|
|
* @gen_type: Generic board type description
|
|
* @init: Allocate resources and initialise peripheral hardware
|
|
* @init_phy: Do board-specific PHY initialisation
|
|
* @fini: Shut down hardware and free resources
|
|
* @set_id_led: Set state of identifying LED or revert to automatic function
|
|
* @monitor: Board-specific health check function
|
|
*/
|
|
struct falcon_board_type {
|
|
u8 id;
|
|
const char *ref_model;
|
|
const char *gen_type;
|
|
int (*init) (struct efx_nic *nic);
|
|
void (*init_phy) (struct efx_nic *efx);
|
|
void (*fini) (struct efx_nic *nic);
|
|
void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
|
|
int (*monitor) (struct efx_nic *nic);
|
|
};
|
|
|
|
/**
|
|
* struct falcon_board - board information
|
|
* @type: Type of board
|
|
* @major: Major rev. ('A', 'B' ...)
|
|
* @minor: Minor rev. (0, 1, ...)
|
|
* @i2c_adap: I2C adapter for on-board peripherals
|
|
* @i2c_data: Data for bit-banging algorithm
|
|
* @hwmon_client: I2C client for hardware monitor
|
|
* @ioexp_client: I2C client for power/port control
|
|
*/
|
|
struct falcon_board {
|
|
const struct falcon_board_type *type;
|
|
int major;
|
|
int minor;
|
|
struct i2c_adapter i2c_adap;
|
|
struct i2c_algo_bit_data i2c_data;
|
|
struct i2c_client *hwmon_client, *ioexp_client;
|
|
};
|
|
|
|
/**
|
|
* struct falcon_nic_data - Falcon NIC state
|
|
* @pci_dev2: Secondary function of Falcon A
|
|
* @board: Board state and functions
|
|
* @stats_disable_count: Nest count for disabling statistics fetches
|
|
* @stats_pending: Is there a pending DMA of MAC statistics.
|
|
* @stats_timer: A timer for regularly fetching MAC statistics.
|
|
* @stats_dma_done: Pointer to the flag which indicates DMA completion.
|
|
*/
|
|
struct falcon_nic_data {
|
|
struct pci_dev *pci_dev2;
|
|
struct falcon_board board;
|
|
unsigned int stats_disable_count;
|
|
bool stats_pending;
|
|
struct timer_list stats_timer;
|
|
u32 *stats_dma_done;
|
|
};
|
|
|
|
static inline struct falcon_board *falcon_board(struct efx_nic *efx)
|
|
{
|
|
struct falcon_nic_data *data = efx->nic_data;
|
|
return &data->board;
|
|
}
|
|
|
|
/**
|
|
* struct siena_nic_data - Siena NIC state
|
|
* @fw_version: Management controller firmware version
|
|
* @fw_build: Firmware build number
|
|
* @mcdi: Management-Controller-to-Driver Interface
|
|
* @wol_filter_id: Wake-on-LAN packet filter id
|
|
*/
|
|
struct siena_nic_data {
|
|
u64 fw_version;
|
|
u32 fw_build;
|
|
struct efx_mcdi_iface mcdi;
|
|
int wol_filter_id;
|
|
};
|
|
|
|
extern void siena_print_fwver(struct efx_nic *efx, char *buf, size_t len);
|
|
|
|
extern struct efx_nic_type falcon_a1_nic_type;
|
|
extern struct efx_nic_type falcon_b0_nic_type;
|
|
extern struct efx_nic_type siena_a0_nic_type;
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Externs
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
|
|
extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
|
|
|
|
/* TX data path */
|
|
extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
|
|
extern void efx_nic_init_tx(struct efx_tx_queue *tx_queue);
|
|
extern void efx_nic_fini_tx(struct efx_tx_queue *tx_queue);
|
|
extern void efx_nic_remove_tx(struct efx_tx_queue *tx_queue);
|
|
extern void efx_nic_push_buffers(struct efx_tx_queue *tx_queue);
|
|
|
|
/* RX data path */
|
|
extern int efx_nic_probe_rx(struct efx_rx_queue *rx_queue);
|
|
extern void efx_nic_init_rx(struct efx_rx_queue *rx_queue);
|
|
extern void efx_nic_fini_rx(struct efx_rx_queue *rx_queue);
|
|
extern void efx_nic_remove_rx(struct efx_rx_queue *rx_queue);
|
|
extern void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue);
|
|
|
|
/* Event data path */
|
|
extern int efx_nic_probe_eventq(struct efx_channel *channel);
|
|
extern void efx_nic_init_eventq(struct efx_channel *channel);
|
|
extern void efx_nic_fini_eventq(struct efx_channel *channel);
|
|
extern void efx_nic_remove_eventq(struct efx_channel *channel);
|
|
extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota);
|
|
extern void efx_nic_eventq_read_ack(struct efx_channel *channel);
|
|
|
|
/* MAC/PHY */
|
|
extern void falcon_drain_tx_fifo(struct efx_nic *efx);
|
|
extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
|
|
extern int efx_nic_rx_xoff_thresh, efx_nic_rx_xon_thresh;
|
|
|
|
/* Interrupts and test events */
|
|
extern int efx_nic_init_interrupt(struct efx_nic *efx);
|
|
extern void efx_nic_enable_interrupts(struct efx_nic *efx);
|
|
extern void efx_nic_generate_test_event(struct efx_channel *channel,
|
|
unsigned int magic);
|
|
extern void efx_nic_generate_interrupt(struct efx_nic *efx);
|
|
extern void efx_nic_disable_interrupts(struct efx_nic *efx);
|
|
extern void efx_nic_fini_interrupt(struct efx_nic *efx);
|
|
extern irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx);
|
|
extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id);
|
|
extern void falcon_irq_ack_a1(struct efx_nic *efx);
|
|
|
|
#define EFX_IRQ_MOD_RESOLUTION 5
|
|
|
|
/* Global Resources */
|
|
extern int efx_nic_flush_queues(struct efx_nic *efx);
|
|
extern void falcon_start_nic_stats(struct efx_nic *efx);
|
|
extern void falcon_stop_nic_stats(struct efx_nic *efx);
|
|
extern int falcon_reset_xaui(struct efx_nic *efx);
|
|
extern void efx_nic_init_common(struct efx_nic *efx);
|
|
|
|
int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
|
|
unsigned int len);
|
|
void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer);
|
|
|
|
/* Tests */
|
|
struct efx_nic_register_test {
|
|
unsigned address;
|
|
efx_oword_t mask;
|
|
};
|
|
extern int efx_nic_test_registers(struct efx_nic *efx,
|
|
const struct efx_nic_register_test *regs,
|
|
size_t n_regs);
|
|
|
|
/**************************************************************************
|
|
*
|
|
* Falcon MAC stats
|
|
*
|
|
**************************************************************************
|
|
*/
|
|
|
|
#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
|
|
#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
|
|
|
|
/* Retrieve statistic from statistics block */
|
|
#define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
|
|
if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
|
|
(efx)->mac_stats.efx_stat += le16_to_cpu( \
|
|
*((__force __le16 *) \
|
|
(efx->stats_buffer.addr + \
|
|
FALCON_STAT_OFFSET(falcon_stat)))); \
|
|
else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
|
|
(efx)->mac_stats.efx_stat += le32_to_cpu( \
|
|
*((__force __le32 *) \
|
|
(efx->stats_buffer.addr + \
|
|
FALCON_STAT_OFFSET(falcon_stat)))); \
|
|
else \
|
|
(efx)->mac_stats.efx_stat += le64_to_cpu( \
|
|
*((__force __le64 *) \
|
|
(efx->stats_buffer.addr + \
|
|
FALCON_STAT_OFFSET(falcon_stat)))); \
|
|
} while (0)
|
|
|
|
#define FALCON_MAC_STATS_SIZE 0x100
|
|
|
|
#define MAC_DATA_LBN 0
|
|
#define MAC_DATA_WIDTH 32
|
|
|
|
extern void efx_nic_generate_event(struct efx_channel *channel,
|
|
efx_qword_t *event);
|
|
|
|
extern void falcon_poll_xmac(struct efx_nic *efx);
|
|
|
|
#endif /* EFX_NIC_H */
|