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authorBen Hutchings <bhutchings@solarflare.com>2009-11-29 10:12:08 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-29 20:23:55 -0500
commit744093c98363f8a65853aed39708c9effc80f8ff (patch)
tree174d8f888397ece9cdb933300f0045392a552109 /drivers/net/sfc/nic.h
parentc383b53729a9bbbceee132a85955d084ba00ca3a (diff)
sfc: Rename falcon.h to nic.h
nic.h is no longer specific to Falcon. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sfc/nic.h')
-rw-r--r--drivers/net/sfc/nic.h238
1 files changed, 238 insertions, 0 deletions
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
new file mode 100644
index 000000000000..e7eb30488c15
--- /dev/null
+++ b/drivers/net/sfc/nic.h
@@ -0,0 +1,238 @@
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_NIC_H
12#define EFX_NIC_H
13
14#include <linux/i2c-algo-bit.h>
15#include "net_driver.h"
16#include "efx.h"
17
18/*
19 * Falcon hardware control
20 */
21
22enum {
23 EFX_REV_FALCON_A0 = 0,
24 EFX_REV_FALCON_A1 = 1,
25 EFX_REV_FALCON_B0 = 2,
26};
27
28static inline int efx_nic_rev(struct efx_nic *efx)
29{
30 return efx->type->revision;
31}
32
33extern u32 efx_nic_fpga_ver(struct efx_nic *efx);
34
35/* NIC has two interlinked PCI functions for the same port. */
36static inline bool efx_nic_is_dual_func(struct efx_nic *efx)
37{
38 return efx_nic_rev(efx) < EFX_REV_FALCON_B0;
39}
40
41enum {
42 PHY_TYPE_NONE = 0,
43 PHY_TYPE_TXC43128 = 1,
44 PHY_TYPE_88E1111 = 2,
45 PHY_TYPE_SFX7101 = 3,
46 PHY_TYPE_QT2022C2 = 4,
47 PHY_TYPE_PM8358 = 6,
48 PHY_TYPE_SFT9001A = 8,
49 PHY_TYPE_QT2025C = 9,
50 PHY_TYPE_SFT9001B = 10,
51};
52
53#define FALCON_XMAC_LOOPBACKS \
54 ((1 << LOOPBACK_XGMII) | \
55 (1 << LOOPBACK_XGXS) | \
56 (1 << LOOPBACK_XAUI))
57
58#define FALCON_GMAC_LOOPBACKS \
59 (1 << LOOPBACK_GMAC)
60
61/**
62 * struct falcon_board_type - board operations and type information
63 * @id: Board type id, as found in NVRAM
64 * @ref_model: Model number of Solarflare reference design
65 * @gen_type: Generic board type description
66 * @init: Allocate resources and initialise peripheral hardware
67 * @init_phy: Do board-specific PHY initialisation
68 * @fini: Shut down hardware and free resources
69 * @set_id_led: Set state of identifying LED or revert to automatic function
70 * @monitor: Board-specific health check function
71 */
72struct falcon_board_type {
73 u8 id;
74 const char *ref_model;
75 const char *gen_type;
76 int (*init) (struct efx_nic *nic);
77 void (*init_phy) (struct efx_nic *efx);
78 void (*fini) (struct efx_nic *nic);
79 void (*set_id_led) (struct efx_nic *efx, enum efx_led_mode mode);
80 int (*monitor) (struct efx_nic *nic);
81};
82
83/**
84 * struct falcon_board - board information
85 * @type: Type of board
86 * @major: Major rev. ('A', 'B' ...)
87 * @minor: Minor rev. (0, 1, ...)
88 * @i2c_adap: I2C adapter for on-board peripherals
89 * @i2c_data: Data for bit-banging algorithm
90 * @hwmon_client: I2C client for hardware monitor
91 * @ioexp_client: I2C client for power/port control
92 */
93struct falcon_board {
94 const struct falcon_board_type *type;
95 int major;
96 int minor;
97 struct i2c_adapter i2c_adap;
98 struct i2c_algo_bit_data i2c_data;
99 struct i2c_client *hwmon_client, *ioexp_client;
100};
101
102/**
103 * struct falcon_nic_data - Falcon NIC state
104 * @pci_dev2: Secondary function of Falcon A
105 * @board: Board state and functions
106 * @stats_disable_count: Nest count for disabling statistics fetches
107 * @stats_pending: Is there a pending DMA of MAC statistics.
108 * @stats_timer: A timer for regularly fetching MAC statistics.
109 * @stats_dma_done: Pointer to the flag which indicates DMA completion.
110 */
111struct falcon_nic_data {
112 struct pci_dev *pci_dev2;
113 struct falcon_board board;
114 unsigned int stats_disable_count;
115 bool stats_pending;
116 struct timer_list stats_timer;
117 u32 *stats_dma_done;
118};
119
120static inline struct falcon_board *falcon_board(struct efx_nic *efx)
121{
122 struct falcon_nic_data *data = efx->nic_data;
123 return &data->board;
124}
125
126extern struct efx_nic_type falcon_a1_nic_type;
127extern struct efx_nic_type falcon_b0_nic_type;
128
129/**************************************************************************
130 *
131 * Externs
132 *
133 **************************************************************************
134 */
135
136extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info);
137
138/* TX data path */
139extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
140extern void efx_nic_init_tx(struct efx_tx_queue *tx_queue);
141extern void efx_nic_fini_tx(struct efx_tx_queue *tx_queue);
142extern void efx_nic_remove_tx(struct efx_tx_queue *tx_queue);
143extern void efx_nic_push_buffers(struct efx_tx_queue *tx_queue);
144
145/* RX data path */
146extern int efx_nic_probe_rx(struct efx_rx_queue *rx_queue);
147extern void efx_nic_init_rx(struct efx_rx_queue *rx_queue);
148extern void efx_nic_fini_rx(struct efx_rx_queue *rx_queue);
149extern void efx_nic_remove_rx(struct efx_rx_queue *rx_queue);
150extern void efx_nic_notify_rx_desc(struct efx_rx_queue *rx_queue);
151
152/* Event data path */
153extern int efx_nic_probe_eventq(struct efx_channel *channel);
154extern void efx_nic_init_eventq(struct efx_channel *channel);
155extern void efx_nic_fini_eventq(struct efx_channel *channel);
156extern void efx_nic_remove_eventq(struct efx_channel *channel);
157extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota);
158extern void efx_nic_eventq_read_ack(struct efx_channel *channel);
159
160/* MAC/PHY */
161extern void falcon_drain_tx_fifo(struct efx_nic *efx);
162extern void falcon_reconfigure_mac_wrapper(struct efx_nic *efx);
163extern int efx_nic_rx_xoff_thresh, efx_nic_rx_xon_thresh;
164
165/* Interrupts and test events */
166extern int efx_nic_init_interrupt(struct efx_nic *efx);
167extern void efx_nic_enable_interrupts(struct efx_nic *efx);
168extern void efx_nic_generate_test_event(struct efx_channel *channel,
169 unsigned int magic);
170extern void efx_nic_generate_interrupt(struct efx_nic *efx);
171extern void efx_nic_disable_interrupts(struct efx_nic *efx);
172extern void efx_nic_fini_interrupt(struct efx_nic *efx);
173extern irqreturn_t efx_nic_fatal_interrupt(struct efx_nic *efx);
174extern irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id);
175extern void falcon_irq_ack_a1(struct efx_nic *efx);
176
177#define EFX_IRQ_MOD_RESOLUTION 5
178
179/* Global Resources */
180extern int efx_nic_flush_queues(struct efx_nic *efx);
181extern void falcon_start_nic_stats(struct efx_nic *efx);
182extern void falcon_stop_nic_stats(struct efx_nic *efx);
183extern int falcon_reset_xaui(struct efx_nic *efx);
184extern void efx_nic_init_common(struct efx_nic *efx);
185
186int efx_nic_alloc_buffer(struct efx_nic *efx, struct efx_buffer *buffer,
187 unsigned int len);
188void efx_nic_free_buffer(struct efx_nic *efx, struct efx_buffer *buffer);
189
190/* Tests */
191struct efx_nic_register_test {
192 unsigned address;
193 efx_oword_t mask;
194};
195extern int efx_nic_test_registers(struct efx_nic *efx,
196 const struct efx_nic_register_test *regs,
197 size_t n_regs);
198
199/**************************************************************************
200 *
201 * Falcon MAC stats
202 *
203 **************************************************************************
204 */
205
206#define FALCON_STAT_OFFSET(falcon_stat) EFX_VAL(falcon_stat, offset)
207#define FALCON_STAT_WIDTH(falcon_stat) EFX_VAL(falcon_stat, WIDTH)
208
209/* Retrieve statistic from statistics block */
210#define FALCON_STAT(efx, falcon_stat, efx_stat) do { \
211 if (FALCON_STAT_WIDTH(falcon_stat) == 16) \
212 (efx)->mac_stats.efx_stat += le16_to_cpu( \
213 *((__force __le16 *) \
214 (efx->stats_buffer.addr + \
215 FALCON_STAT_OFFSET(falcon_stat)))); \
216 else if (FALCON_STAT_WIDTH(falcon_stat) == 32) \
217 (efx)->mac_stats.efx_stat += le32_to_cpu( \
218 *((__force __le32 *) \
219 (efx->stats_buffer.addr + \
220 FALCON_STAT_OFFSET(falcon_stat)))); \
221 else \
222 (efx)->mac_stats.efx_stat += le64_to_cpu( \
223 *((__force __le64 *) \
224 (efx->stats_buffer.addr + \
225 FALCON_STAT_OFFSET(falcon_stat)))); \
226 } while (0)
227
228#define FALCON_MAC_STATS_SIZE 0x100
229
230#define MAC_DATA_LBN 0
231#define MAC_DATA_WIDTH 32
232
233extern void efx_nic_generate_event(struct efx_channel *channel,
234 efx_qword_t *event);
235
236extern void falcon_poll_xmac(struct efx_nic *efx);
237
238#endif /* EFX_NIC_H */
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