falcon.h 5.0 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/****************************************************************************
 * Driver for Solarflare Solarstorm network controllers and boards
 * Copyright 2005-2006 Fen Systems Ltd.
 * Copyright 2006-2008 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_FALCON_H
#define EFX_FALCON_H

#include "net_driver.h"
15
#include "efx.h"
16 17 18 19 20 21 22 23 24 25 26

/*
 * Falcon hardware control
 */

enum falcon_revision {
	FALCON_REV_A0 = 0,
	FALCON_REV_A1 = 1,
	FALCON_REV_B0 = 2,
};

27 28 29 30
static inline int falcon_rev(struct efx_nic *efx)
{
	return efx->pci_dev->revision;
}
31 32 33 34 35 36 37 38 39 40 41 42 43

extern struct efx_nic_type falcon_a_nic_type;
extern struct efx_nic_type falcon_b_nic_type;

/**************************************************************************
 *
 * Externs
 *
 **************************************************************************
 */

/* TX data path */
extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
44
extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
45 46 47 48 49 50
extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);

/* RX data path */
extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
51
extern void falcon_init_rx(struct efx_rx_queue *rx_queue);
52 53 54 55 56 57
extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);

/* Event data path */
extern int falcon_probe_eventq(struct efx_channel *channel);
58
extern void falcon_init_eventq(struct efx_channel *channel);
59 60
extern void falcon_fini_eventq(struct efx_channel *channel);
extern void falcon_remove_eventq(struct efx_channel *channel);
B
Ben Hutchings 已提交
61
extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
62 63 64 65 66 67 68
extern void falcon_eventq_read_ack(struct efx_channel *channel);

/* Ports */
extern int falcon_probe_port(struct efx_nic *efx);
extern void falcon_remove_port(struct efx_nic *efx);

/* MAC/PHY */
69
extern int falcon_switch_mac(struct efx_nic *efx);
70
extern bool falcon_xaui_link_ok(struct efx_nic *efx);
71 72 73 74 75 76 77 78 79 80 81
extern int falcon_dma_stats(struct efx_nic *efx,
			    unsigned int done_offset);
extern void falcon_drain_tx_fifo(struct efx_nic *efx);
extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);

/* Interrupts and test events */
extern int falcon_init_interrupt(struct efx_nic *efx);
extern void falcon_enable_interrupts(struct efx_nic *efx);
extern void falcon_generate_test_event(struct efx_channel *channel,
				       unsigned int magic);
82
extern void falcon_sim_phy_event(struct efx_nic *efx);
83 84 85 86 87 88 89 90 91
extern void falcon_generate_interrupt(struct efx_nic *efx);
extern void falcon_set_int_moderation(struct efx_channel *channel);
extern void falcon_disable_interrupts(struct efx_nic *efx);
extern void falcon_fini_interrupt(struct efx_nic *efx);

/* Global Resources */
extern int falcon_probe_nic(struct efx_nic *efx);
extern int falcon_probe_resources(struct efx_nic *efx);
extern int falcon_init_nic(struct efx_nic *efx);
92
extern int falcon_flush_queues(struct efx_nic *efx);
93 94 95 96 97 98 99
extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
extern void falcon_remove_resources(struct efx_nic *efx);
extern void falcon_remove_nic(struct efx_nic *efx);
extern void falcon_update_nic_stats(struct efx_nic *efx);
extern void falcon_set_multicast_hash(struct efx_nic *efx);
extern int falcon_reset_xaui(struct efx_nic *efx);

B
Ben Hutchings 已提交
100 101 102 103 104 105
/* Tests */
struct falcon_nvconfig;
extern int falcon_read_nvram(struct efx_nic *efx,
			     struct falcon_nvconfig *nvconfig);
extern int falcon_test_registers(struct efx_nic *efx);

106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143
/**************************************************************************
 *
 * 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 falcon_generate_event(struct efx_channel *channel,
				  efx_qword_t *event);

#endif /* EFX_FALCON_H */