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mcdi.h
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1 /****************************************************************************
2  * Driver for Solarflare Solarstorm network controllers and boards
3  * Copyright 2008-2010 Solarflare Communications Inc.
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 
23 enum efx_mcdi_state {
24  MCDI_STATE_QUIESCENT,
25  MCDI_STATE_RUNNING,
26  MCDI_STATE_COMPLETED,
27 };
28 
29 enum efx_mcdi_mode {
30  MCDI_MODE_POLL,
31  MCDI_MODE_EVENTS,
32 };
33 
48 struct 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 
59 struct 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 
68 extern void efx_mcdi_init(struct efx_nic *efx);
69 
70 extern 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 
74 extern void efx_mcdi_rpc_start(struct efx_nic *efx, unsigned cmd,
75  const u8 *inbuf, size_t inlen);
76 extern int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen,
77  u8 *outbuf, size_t outlen,
78  size_t *outlen_actual);
79 
80 extern int efx_mcdi_poll_reboot(struct efx_nic *efx);
81 extern void efx_mcdi_mode_poll(struct efx_nic *efx);
82 extern void efx_mcdi_mode_event(struct efx_nic *efx);
83 
84 extern void efx_mcdi_process_event(struct efx_channel *channel,
85  efx_qword_t *event);
86 extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
87 
88 #define MCDI_PTR2(_buf, _ofst) \
89  (((u8 *)_buf) + _ofst)
90 #define MCDI_SET_DWORD2(_buf, _ofst, _value) \
91  EFX_POPULATE_DWORD_1(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \
92  EFX_DWORD_0, _value)
93 #define MCDI_DWORD2(_buf, _ofst) \
94  EFX_DWORD_FIELD(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \
95  EFX_DWORD_0)
96 #define MCDI_QWORD2(_buf, _ofst) \
97  EFX_QWORD_FIELD64(*((efx_qword_t *)MCDI_PTR2(_buf, _ofst)), \
98  EFX_QWORD_0)
99 
100 #define MCDI_PTR(_buf, _ofst) \
101  MCDI_PTR2(_buf, MC_CMD_ ## _ofst ## _OFST)
102 #define MCDI_ARRAY_PTR(_buf, _field, _type, _index) \
103  MCDI_PTR2(_buf, \
104  MC_CMD_ ## _field ## _OFST + \
105  (_index) * MC_CMD_ ## _type ## _TYPEDEF_LEN)
106 #define MCDI_SET_DWORD(_buf, _ofst, _value) \
107  MCDI_SET_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST, _value)
108 #define MCDI_DWORD(_buf, _ofst) \
109  MCDI_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
110 #define MCDI_QWORD(_buf, _ofst) \
111  MCDI_QWORD2(_buf, MC_CMD_ ## _ofst ## _OFST)
112 
113 #define MCDI_EVENT_FIELD(_ev, _field) \
114  EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
115 #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \
116  EFX_EXTRACT_DWORD( \
117  *((efx_dword_t *) \
118  (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \
119  (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \
120  MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f, \
121  (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f) + \
122  MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _WIDTH - 1)
123 
124 extern void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
125 extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating,
126  bool *was_attached_out);
127 extern int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
128  u16 *fw_subtype_list, u32 *capabilities);
129 extern int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart,
130  u32 dest_evq);
131 extern int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out);
132 extern int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type,
133  size_t *size_out, size_t *erase_size_out,
134  bool *protected_out);
135 extern int efx_mcdi_nvram_update_start(struct efx_nic *efx,
136  unsigned int type);
137 extern int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type,
138  loff_t offset, u8 *buffer, size_t length);
139 extern int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type,
140  loff_t offset, const u8 *buffer,
141  size_t length);
142 #define EFX_MCDI_NVRAM_LEN_MAX 128
143 extern int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type,
144  loff_t offset, size_t length);
145 extern int efx_mcdi_nvram_update_finish(struct efx_nic *efx,
146  unsigned int type);
147 extern int efx_mcdi_nvram_test_all(struct efx_nic *efx);
148 extern int efx_mcdi_handle_assertion(struct efx_nic *efx);
149 extern void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
150 extern int efx_mcdi_reset_port(struct efx_nic *efx);
151 extern int efx_mcdi_reset_mc(struct efx_nic *efx);
152 extern int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx,
153  const u8 *mac, int *id_out);
154 extern int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);
155 extern int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
156 extern int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
157 extern int efx_mcdi_flush_rxqs(struct efx_nic *efx);
158 extern int efx_mcdi_set_mac(struct efx_nic *efx);
159 extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
160  u32 dma_len, int enable, int clear);
161 extern int efx_mcdi_mac_reconfigure(struct efx_nic *efx);
162 extern bool efx_mcdi_mac_check_fault(struct efx_nic *efx);
163 
164 #ifdef CONFIG_SFC_MCDI_MON
165 extern int efx_mcdi_mon_probe(struct efx_nic *efx);
166 extern void efx_mcdi_mon_remove(struct efx_nic *efx);
167 #else
168 static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; }
169 static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {}
170 #endif
171 
172 #endif /* EFX_MCDI_H */
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