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[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / ethernet / sfc / mcdi.h
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BH		 1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
0a6f40c6 3 * Copyright 2008-2010 Solarflare Communications Inc.
afd4aea0
BH		 4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation, incorporated herein by reference.
8 */
9
10#ifndef EFX_MCDI_H
11#define EFX_MCDI_H
12
13/**
14 * enum efx_mcdi_state
15 * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the
16 * mcdi_lock then they are able to move to MCDI_STATE_RUNNING
17 * @MCDI_STATE_RUNNING: There is an MCDI request pending. Only the thread that
18 * moved into this state is allowed to move out of it.
19 * @MCDI_STATE_COMPLETED: An MCDI request has completed, but the owning thread
20 * has not yet consumed the result. For all other threads, equivalent to
21 * MCDI_STATE_RUNNING.
22 */
23enum efx_mcdi_state {
24 MCDI_STATE_QUIESCENT,
25 MCDI_STATE_RUNNING,
26 MCDI_STATE_COMPLETED,
27};
28
29enum efx_mcdi_mode {
30 MCDI_MODE_POLL,
31 MCDI_MODE_EVENTS,
32};
33
34/**
35 * struct efx_mcdi_iface
36 * @state: Interface state. Waited for by mcdi_wq.
37 * @wq: Wait queue for threads waiting for state != STATE_RUNNING
38 * @iface_lock: Protects @credits, @seqno, @resprc, @resplen
39 * @mode: Poll for mcdi completion, or wait for an mcdi_event.
40 * Serialised by @lock
41 * @seqno: The next sequence number to use for mcdi requests.
42 * Serialised by @lock
43 * @credits: Number of spurious MCDI completion events allowed before we
44 * trigger a fatal error. Protected by @lock
45 * @resprc: Returned MCDI completion
46 * @resplen: Returned payload length
47 */
48struct efx_mcdi_iface {
49 atomic_t state;
50 wait_queue_head_t wq;
51 spinlock_t iface_lock;
52 enum efx_mcdi_mode mode;
53 unsigned int credits;
54 unsigned int seqno;
55 unsigned int resprc;
56 size_t resplen;
57};
58
55c5e0f8
BH		 59struct efx_mcdi_mon {
60 struct efx_buffer dma_buf;
61 struct mutex update_lock;
62 unsigned long last_update;
63 struct device *device;
64 struct efx_mcdi_mon_attribute *attrs;
65 unsigned int n_attrs;
66};
67
afd4aea0
BH		 68extern void efx_mcdi_init(struct efx_nic *efx);
69
70extern int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const u8 *inbuf,
71 size_t inlen, u8 *outbuf, size_t outlen,
72 size_t *outlen_actual);
73
74extern int efx_mcdi_poll_reboot(struct efx_nic *efx);
75extern void efx_mcdi_mode_poll(struct efx_nic *efx);
76extern void efx_mcdi_mode_event(struct efx_nic *efx);
77
78extern void efx_mcdi_process_event(struct efx_channel *channel,
79 efx_qword_t *event);
55c5e0f8 80extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
afd4aea0
BH		 81
82#define MCDI_PTR2(_buf, _ofst) \
83 (((u8 *)_buf) + _ofst)
84#define MCDI_SET_DWORD2(_buf, _ofst, _value) \
85 EFX_POPULATE_DWORD_1(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \
86 EFX_DWORD_0, _value)
87#define MCDI_DWORD2(_buf, _ofst) \
88 EFX_DWORD_FIELD(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \
89 EFX_DWORD_0)
90#define MCDI_QWORD2(_buf, _ofst) \
91 EFX_QWORD_FIELD64(*((efx_qword_t *)MCDI_PTR2(_buf, _ofst)), \
92 EFX_QWORD_0)
93
94#define MCDI_PTR(_buf, _ofst) \
95 MCDI_PTR2(_buf, MC_CMD_ ## _ofst ## _OFST)
55c5e0f8
BH		 96#define MCDI_ARRAY_PTR(_buf, _field, _type, _index) \
97 MCDI_PTR2(_buf, \
98 MC_CMD_ ## _field ## _OFST + \
99 (_index) * MC_CMD_ ## _type ## _TYPEDEF_LEN)
afd4aea0
BH		 100#define MCDI_SET_DWORD(_buf, _ofst, _value) \
101 MCDI_SET_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST, _value)
102#define MCDI_DWORD(_buf, _ofst) \
103 MCDI_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
104#define MCDI_QWORD(_buf, _ofst) \
105 MCDI_QWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
106
107#define MCDI_EVENT_FIELD(_ev, _field) \
108 EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
55c5e0f8
BH		 109#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \
110 EFX_DWORD_FIELD( \
111 *((efx_dword_t *) \
112 (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \
113 (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \
114 MC_CMD_ ## _type ## _TYPEDEF_ ## _field2)
afd4aea0 115
e5f0fd27 116extern void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
afd4aea0
BH		 117extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
118 bool *was_attached_out);
119extern int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
6aa9c7f6 120 u16 *fw_subtype_list, u32 *capabilities);
afd4aea0
BH		 121extern int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart,
122 u32 dest_evq);
123extern int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
124extern int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
125 size_t *size_out, size_t *erase_size_out,
126 bool *protected_out);
127extern int efx_mcdi_nvram_update_start(struct efx_nic *efx,
128 unsigned int type);
129extern int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type,
130 loff_t offset, u8 *buffer, size_t length);
131extern int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type,
132 loff_t offset, const u8 *buffer,
133 size_t length);
5a27e86b 134#define EFX_MCDI_NVRAM_LEN_MAX 128
afd4aea0
BH		 135extern int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type,
136 loff_t offset, size_t length);
137extern int efx_mcdi_nvram_update_finish(struct efx_nic *efx,
138 unsigned int type);
2e803407 139extern int efx_mcdi_nvram_test_all(struct efx_nic *efx);
afd4aea0
BH		 140extern int efx_mcdi_handle_assertion(struct efx_nic *efx);
141extern void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
142extern int efx_mcdi_reset_port(struct efx_nic *efx);
143extern int efx_mcdi_reset_mc(struct efx_nic *efx);
afd4aea0
BH		 144extern int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx,
145 const u8 *mac, int *id_out);
146extern int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);
147extern int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
148extern int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
cd2d5b52
BH		 149extern int efx_mcdi_flush_rxqs(struct efx_nic *efx);
150extern int efx_mcdi_set_mac(struct efx_nic *efx);
710b208d
BH		 151extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
152 u32 dma_len, int enable, int clear);
153extern int efx_mcdi_mac_reconfigure(struct efx_nic *efx);
154extern bool efx_mcdi_mac_check_fault(struct efx_nic *efx);
afd4aea0 155
55c5e0f8
BH		 156#ifdef CONFIG_SFC_MCDI_MON
157extern int efx_mcdi_mon_probe(struct efx_nic *efx);
158extern void efx_mcdi_mon_remove(struct efx_nic *efx);
159#else
160static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; }
161static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {}
162#endif
163
afd4aea0 164#endif /* EFX_MCDI_H */
kernel source for telekom puls (alcatel/mediatek)