192 lines
6.4 KiB
C
192 lines
6.4 KiB
C
/****************************************************************************
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* Driver for Solarflare Solarstorm network controllers and boards
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* Copyright 2005-2006 Fen Systems Ltd.
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* Copyright 2006-2008 Solarflare Communications Inc.
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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 of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef EFX_FALCON_H
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#define EFX_FALCON_H
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#include <linux/i2c-algo-bit.h>
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#include "net_driver.h"
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#include "efx.h"
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/*
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* Falcon hardware control
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*/
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enum falcon_revision {
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FALCON_REV_A0 = 0,
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FALCON_REV_A1 = 1,
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FALCON_REV_B0 = 2,
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};
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static inline int falcon_rev(struct efx_nic *efx)
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{
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return efx->pci_dev->revision;
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}
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/**
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* struct falcon_board - board information
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* @type: Board model type
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* @major: Major rev. ('A', 'B' ...)
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* @minor: Minor rev. (0, 1, ...)
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* @init: Allocate resources and initialise peripheral hardware
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* @init_phy: Do board-specific PHY initialisation
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* @set_id_led: Set state of identifying LED or revert to automatic function
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* @monitor: Board-specific health check function
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* @fini: Shut down hardware and free resources
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* @i2c_adap: I2C adapter for on-board peripherals
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* @i2c_data: Data for bit-banging algorithm
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* @hwmon_client: I2C client for hardware monitor
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* @ioexp_client: I2C client for power/port control
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*/
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struct falcon_board {
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int type;
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int major;
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int minor;
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int (*init) (struct efx_nic *nic);
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void (*init_phy) (struct efx_nic *efx);
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void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
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int (*monitor) (struct efx_nic *nic);
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void (*fini) (struct efx_nic *nic);
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struct i2c_adapter i2c_adap;
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struct i2c_algo_bit_data i2c_data;
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struct i2c_client *hwmon_client, *ioexp_client;
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};
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/**
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* struct falcon_nic_data - Falcon NIC state
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* @pci_dev2: The secondary PCI device if present
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* @board: Board state and functions
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*/
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struct falcon_nic_data {
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struct pci_dev *pci_dev2;
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struct falcon_board board;
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};
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static inline struct falcon_board *falcon_board(struct efx_nic *efx)
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{
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struct falcon_nic_data *data = efx->nic_data;
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return &data->board;
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}
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extern struct efx_nic_type falcon_a_nic_type;
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extern struct efx_nic_type falcon_b_nic_type;
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/**************************************************************************
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*
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* Externs
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*
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**************************************************************************
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*/
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extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
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/* TX data path */
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extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
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extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
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extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
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extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
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extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);
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/* RX data path */
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extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
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extern void falcon_init_rx(struct efx_rx_queue *rx_queue);
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extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
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extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
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extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);
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/* Event data path */
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extern int falcon_probe_eventq(struct efx_channel *channel);
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extern void falcon_init_eventq(struct efx_channel *channel);
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extern void falcon_fini_eventq(struct efx_channel *channel);
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extern void falcon_remove_eventq(struct efx_channel *channel);
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extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
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extern void falcon_eventq_read_ack(struct efx_channel *channel);
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/* Ports */
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extern int falcon_probe_port(struct efx_nic *efx);
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extern void falcon_remove_port(struct efx_nic *efx);
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/* MAC/PHY */
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extern int falcon_switch_mac(struct efx_nic *efx);
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extern bool falcon_xaui_link_ok(struct efx_nic *efx);
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extern int falcon_dma_stats(struct efx_nic *efx,
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unsigned int done_offset);
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extern void falcon_drain_tx_fifo(struct efx_nic *efx);
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extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
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extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
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/* Interrupts and test events */
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extern int falcon_init_interrupt(struct efx_nic *efx);
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extern void falcon_enable_interrupts(struct efx_nic *efx);
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extern void falcon_generate_test_event(struct efx_channel *channel,
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unsigned int magic);
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extern void falcon_sim_phy_event(struct efx_nic *efx);
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extern void falcon_generate_interrupt(struct efx_nic *efx);
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extern void falcon_set_int_moderation(struct efx_channel *channel);
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extern void falcon_disable_interrupts(struct efx_nic *efx);
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extern void falcon_fini_interrupt(struct efx_nic *efx);
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#define FALCON_IRQ_MOD_RESOLUTION 5
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/* Global Resources */
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extern int falcon_probe_nic(struct efx_nic *efx);
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extern int falcon_init_nic(struct efx_nic *efx);
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extern int falcon_flush_queues(struct efx_nic *efx);
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extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
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extern void falcon_remove_nic(struct efx_nic *efx);
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extern void falcon_update_nic_stats(struct efx_nic *efx);
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extern void falcon_set_multicast_hash(struct efx_nic *efx);
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extern int falcon_reset_xaui(struct efx_nic *efx);
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/* Tests */
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struct falcon_nvconfig;
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extern int falcon_read_nvram(struct efx_nic *efx,
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struct falcon_nvconfig *nvconfig);
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extern int falcon_test_registers(struct efx_nic *efx);
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/**************************************************************************
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*
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* Falcon MAC stats
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*
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**************************************************************************
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*/
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#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
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#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
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/* Retrieve statistic from statistics block */
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#define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
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if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
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(efx)->mac_stats.efx_stat += le16_to_cpu( \
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*((__force __le16 *) \
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(efx->stats_buffer.addr + \
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FALCON_STAT_OFFSET(falcon_stat)))); \
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else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
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(efx)->mac_stats.efx_stat += le32_to_cpu( \
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*((__force __le32 *) \
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(efx->stats_buffer.addr + \
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FALCON_STAT_OFFSET(falcon_stat)))); \
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else \
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(efx)->mac_stats.efx_stat += le64_to_cpu( \
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*((__force __le64 *) \
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(efx->stats_buffer.addr + \
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FALCON_STAT_OFFSET(falcon_stat)))); \
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} while (0)
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#define FALCON_MAC_STATS_SIZE 0x100
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#define MAC_DATA_LBN 0
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#define MAC_DATA_WIDTH 32
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extern void falcon_generate_event(struct efx_channel *channel,
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efx_qword_t *event);
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#endif /* EFX_FALCON_H */
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