Full support for Ginger Console
[linux-ginger.git] / drivers / net / sfc / falcon.h
blob77f2e0db7ca109e8d8d17760ea322b0978fd7c4f
1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
11 #ifndef EFX_FALCON_H
12 #define EFX_FALCON_H
14 #include "net_driver.h"
15 #include "efx.h"
18 * Falcon hardware control
21 enum falcon_revision {
22 FALCON_REV_A0 = 0,
23 FALCON_REV_A1 = 1,
24 FALCON_REV_B0 = 2,
27 static inline int falcon_rev(struct efx_nic *efx)
29 return efx->pci_dev->revision;
32 extern struct efx_nic_type falcon_a_nic_type;
33 extern struct efx_nic_type falcon_b_nic_type;
35 /**************************************************************************
37 * Externs
39 **************************************************************************
42 /* TX data path */
43 extern int falcon_probe_tx(struct efx_tx_queue *tx_queue);
44 extern void falcon_init_tx(struct efx_tx_queue *tx_queue);
45 extern void falcon_fini_tx(struct efx_tx_queue *tx_queue);
46 extern void falcon_remove_tx(struct efx_tx_queue *tx_queue);
47 extern void falcon_push_buffers(struct efx_tx_queue *tx_queue);
49 /* RX data path */
50 extern int falcon_probe_rx(struct efx_rx_queue *rx_queue);
51 extern void falcon_init_rx(struct efx_rx_queue *rx_queue);
52 extern void falcon_fini_rx(struct efx_rx_queue *rx_queue);
53 extern void falcon_remove_rx(struct efx_rx_queue *rx_queue);
54 extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue);
56 /* Event data path */
57 extern int falcon_probe_eventq(struct efx_channel *channel);
58 extern void falcon_init_eventq(struct efx_channel *channel);
59 extern void falcon_fini_eventq(struct efx_channel *channel);
60 extern void falcon_remove_eventq(struct efx_channel *channel);
61 extern int falcon_process_eventq(struct efx_channel *channel, int rx_quota);
62 extern void falcon_eventq_read_ack(struct efx_channel *channel);
64 /* Ports */
65 extern int falcon_probe_port(struct efx_nic *efx);
66 extern void falcon_remove_port(struct efx_nic *efx);
68 /* MAC/PHY */
69 extern int falcon_switch_mac(struct efx_nic *efx);
70 extern bool falcon_xaui_link_ok(struct efx_nic *efx);
71 extern int falcon_dma_stats(struct efx_nic *efx,
72 unsigned int done_offset);
73 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
74 extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx);
75 extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
77 /* Interrupts and test events */
78 extern int falcon_init_interrupt(struct efx_nic *efx);
79 extern void falcon_enable_interrupts(struct efx_nic *efx);
80 extern void falcon_generate_test_event(struct efx_channel *channel,
81 unsigned int magic);
82 extern void falcon_sim_phy_event(struct efx_nic *efx);
83 extern void falcon_generate_interrupt(struct efx_nic *efx);
84 extern void falcon_set_int_moderation(struct efx_channel *channel);
85 extern void falcon_disable_interrupts(struct efx_nic *efx);
86 extern void falcon_fini_interrupt(struct efx_nic *efx);
88 #define FALCON_IRQ_MOD_RESOLUTION 5
90 /* Global Resources */
91 extern int falcon_probe_nic(struct efx_nic *efx);
92 extern int falcon_probe_resources(struct efx_nic *efx);
93 extern int falcon_init_nic(struct efx_nic *efx);
94 extern int falcon_flush_queues(struct efx_nic *efx);
95 extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method);
96 extern void falcon_remove_resources(struct efx_nic *efx);
97 extern void falcon_remove_nic(struct efx_nic *efx);
98 extern void falcon_update_nic_stats(struct efx_nic *efx);
99 extern void falcon_set_multicast_hash(struct efx_nic *efx);
100 extern int falcon_reset_xaui(struct efx_nic *efx);
102 /* Tests */
103 struct falcon_nvconfig;
104 extern int falcon_read_nvram(struct efx_nic *efx,
105 struct falcon_nvconfig *nvconfig);
106 extern int falcon_test_registers(struct efx_nic *efx);
108 /**************************************************************************
110 * Falcon MAC stats
112 **************************************************************************
115 #define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
116 #define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
118 /* Retrieve statistic from statistics block */
119 #define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
120 if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
121 (efx)->mac_stats.efx_stat += le16_to_cpu( \
122 *((__force __le16 *) \
123 (efx->stats_buffer.addr + \
124 FALCON_STAT_OFFSET(falcon_stat)))); \
125 else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
126 (efx)->mac_stats.efx_stat += le32_to_cpu( \
127 *((__force __le32 *) \
128 (efx->stats_buffer.addr + \
129 FALCON_STAT_OFFSET(falcon_stat)))); \
130 else \
131 (efx)->mac_stats.efx_stat += le64_to_cpu( \
132 *((__force __le64 *) \
133 (efx->stats_buffer.addr + \
134 FALCON_STAT_OFFSET(falcon_stat)))); \
135 } while (0)
137 #define FALCON_MAC_STATS_SIZE 0x100
139 #define MAC_DATA_LBN 0
140 #define MAC_DATA_WIDTH 32
142 extern void falcon_generate_event(struct efx_channel *channel,
143 efx_qword_t *event);
145 #endif /* EFX_FALCON_H */