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1 | /**************************************************************************** |
2 | * Driver for Solarflare Solarstorm network controllers and boards | |
3 | * Copyright 2005-2006 Fen Systems Ltd. | |
4 | * Copyright 2006-2008 Solarflare Communications Inc. | |
5 | * | |
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 | */ | |
10 | ||
11 | #ifndef EFX_FALCON_H | |
12 | #define EFX_FALCON_H | |
13 | ||
14 | #include "net_driver.h" | |
15 | ||
16 | /* | |
17 | * Falcon hardware control | |
18 | */ | |
19 | ||
20 | enum falcon_revision { | |
21 | FALCON_REV_A0 = 0, | |
22 | FALCON_REV_A1 = 1, | |
23 | FALCON_REV_B0 = 2, | |
24 | }; | |
25 | ||
55668611 BH |
26 | static inline int falcon_rev(struct efx_nic *efx) |
27 | { | |
28 | return efx->pci_dev->revision; | |
29 | } | |
8ceee660 BH |
30 | |
31 | extern struct efx_nic_type falcon_a_nic_type; | |
32 | extern struct efx_nic_type falcon_b_nic_type; | |
33 | ||
34 | /************************************************************************** | |
35 | * | |
36 | * Externs | |
37 | * | |
38 | ************************************************************************** | |
39 | */ | |
40 | ||
41 | /* TX data path */ | |
42 | extern int falcon_probe_tx(struct efx_tx_queue *tx_queue); | |
43 | extern int falcon_init_tx(struct efx_tx_queue *tx_queue); | |
44 | extern void falcon_fini_tx(struct efx_tx_queue *tx_queue); | |
45 | extern void falcon_remove_tx(struct efx_tx_queue *tx_queue); | |
46 | extern void falcon_push_buffers(struct efx_tx_queue *tx_queue); | |
47 | ||
48 | /* RX data path */ | |
49 | extern int falcon_probe_rx(struct efx_rx_queue *rx_queue); | |
50 | extern int falcon_init_rx(struct efx_rx_queue *rx_queue); | |
51 | extern void falcon_fini_rx(struct efx_rx_queue *rx_queue); | |
52 | extern void falcon_remove_rx(struct efx_rx_queue *rx_queue); | |
53 | extern void falcon_notify_rx_desc(struct efx_rx_queue *rx_queue); | |
54 | ||
55 | /* Event data path */ | |
56 | extern int falcon_probe_eventq(struct efx_channel *channel); | |
57 | extern int falcon_init_eventq(struct efx_channel *channel); | |
58 | extern void falcon_fini_eventq(struct efx_channel *channel); | |
59 | extern void falcon_remove_eventq(struct efx_channel *channel); | |
60 | extern int falcon_process_eventq(struct efx_channel *channel, int *rx_quota); | |
61 | extern void falcon_eventq_read_ack(struct efx_channel *channel); | |
62 | ||
63 | /* Ports */ | |
64 | extern int falcon_probe_port(struct efx_nic *efx); | |
65 | extern void falcon_remove_port(struct efx_nic *efx); | |
66 | ||
67 | /* MAC/PHY */ | |
68 | extern int falcon_xaui_link_ok(struct efx_nic *efx); | |
69 | extern int falcon_dma_stats(struct efx_nic *efx, | |
70 | unsigned int done_offset); | |
71 | extern void falcon_drain_tx_fifo(struct efx_nic *efx); | |
72 | extern void falcon_deconfigure_mac_wrapper(struct efx_nic *efx); | |
73 | extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx); | |
74 | ||
75 | /* Interrupts and test events */ | |
76 | extern int falcon_init_interrupt(struct efx_nic *efx); | |
77 | extern void falcon_enable_interrupts(struct efx_nic *efx); | |
78 | extern void falcon_generate_test_event(struct efx_channel *channel, | |
79 | unsigned int magic); | |
80 | extern void falcon_generate_interrupt(struct efx_nic *efx); | |
81 | extern void falcon_set_int_moderation(struct efx_channel *channel); | |
82 | extern void falcon_disable_interrupts(struct efx_nic *efx); | |
83 | extern void falcon_fini_interrupt(struct efx_nic *efx); | |
84 | ||
85 | /* Global Resources */ | |
86 | extern int falcon_probe_nic(struct efx_nic *efx); | |
87 | extern int falcon_probe_resources(struct efx_nic *efx); | |
88 | extern int falcon_init_nic(struct efx_nic *efx); | |
89 | extern int falcon_reset_hw(struct efx_nic *efx, enum reset_type method); | |
90 | extern void falcon_remove_resources(struct efx_nic *efx); | |
91 | extern void falcon_remove_nic(struct efx_nic *efx); | |
92 | extern void falcon_update_nic_stats(struct efx_nic *efx); | |
93 | extern void falcon_set_multicast_hash(struct efx_nic *efx); | |
94 | extern int falcon_reset_xaui(struct efx_nic *efx); | |
95 | ||
96 | /************************************************************************** | |
97 | * | |
98 | * Falcon MAC stats | |
99 | * | |
100 | ************************************************************************** | |
101 | */ | |
102 | ||
103 | #define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset) | |
104 | #define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH) | |
105 | ||
106 | /* Retrieve statistic from statistics block */ | |
107 | #define FALCON_STAT(efx, falcon_stat, efx_stat) do { \ | |
108 | if (FALCON_STAT_WIDTH(falcon_stat) == 16) \ | |
109 | (efx)->mac_stats.efx_stat += le16_to_cpu( \ | |
110 | *((__force __le16 *) \ | |
111 | (efx->stats_buffer.addr + \ | |
112 | FALCON_STAT_OFFSET(falcon_stat)))); \ | |
113 | else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \ | |
114 | (efx)->mac_stats.efx_stat += le32_to_cpu( \ | |
115 | *((__force __le32 *) \ | |
116 | (efx->stats_buffer.addr + \ | |
117 | FALCON_STAT_OFFSET(falcon_stat)))); \ | |
118 | else \ | |
119 | (efx)->mac_stats.efx_stat += le64_to_cpu( \ | |
120 | *((__force __le64 *) \ | |
121 | (efx->stats_buffer.addr + \ | |
122 | FALCON_STAT_OFFSET(falcon_stat)))); \ | |
123 | } while (0) | |
124 | ||
125 | #define FALCON_MAC_STATS_SIZE 0x100 | |
126 | ||
127 | #define MAC_DATA_LBN 0 | |
128 | #define MAC_DATA_WIDTH 32 | |
129 | ||
130 | extern void falcon_generate_event(struct efx_channel *channel, | |
131 | efx_qword_t *event); | |
132 | ||
133 | #endif /* EFX_FALCON_H */ |