| /**************************************************************************** |
| * Driver for Solarflare Solarstorm network controllers and boards |
| * Copyright 2008-2010 Solarflare Communications Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published |
| * by the Free Software Foundation, incorporated herein by reference. |
| */ |
| |
| #ifndef EFX_MCDI_H |
| #define EFX_MCDI_H |
| |
| /** |
| * enum efx_mcdi_state |
| * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the |
| * mcdi_lock then they are able to move to MCDI_STATE_RUNNING |
| * @MCDI_STATE_RUNNING: There is an MCDI request pending. Only the thread that |
| * moved into this state is allowed to move out of it. |
| * @MCDI_STATE_COMPLETED: An MCDI request has completed, but the owning thread |
| * has not yet consumed the result. For all other threads, equivalent to |
| * MCDI_STATE_RUNNING. |
| */ |
| enum efx_mcdi_state { |
| MCDI_STATE_QUIESCENT, |
| MCDI_STATE_RUNNING, |
| MCDI_STATE_COMPLETED, |
| }; |
| |
| enum efx_mcdi_mode { |
| MCDI_MODE_POLL, |
| MCDI_MODE_EVENTS, |
| }; |
| |
| /** |
| * struct efx_mcdi_iface |
| * @state: Interface state. Waited for by mcdi_wq. |
| * @wq: Wait queue for threads waiting for state != STATE_RUNNING |
| * @iface_lock: Protects @credits, @seqno, @resprc, @resplen |
| * @mode: Poll for mcdi completion, or wait for an mcdi_event. |
| * Serialised by @lock |
| * @seqno: The next sequence number to use for mcdi requests. |
| * Serialised by @lock |
| * @credits: Number of spurious MCDI completion events allowed before we |
| * trigger a fatal error. Protected by @lock |
| * @resprc: Returned MCDI completion |
| * @resplen: Returned payload length |
| */ |
| struct efx_mcdi_iface { |
| atomic_t state; |
| wait_queue_head_t wq; |
| spinlock_t iface_lock; |
| enum efx_mcdi_mode mode; |
| unsigned int credits; |
| unsigned int seqno; |
| unsigned int resprc; |
| size_t resplen; |
| }; |
| |
| struct efx_mcdi_mon { |
| struct efx_buffer dma_buf; |
| struct mutex update_lock; |
| unsigned long last_update; |
| struct device *device; |
| struct efx_mcdi_mon_attribute *attrs; |
| unsigned int n_attrs; |
| }; |
| |
| extern void efx_mcdi_init(struct efx_nic *efx); |
| |
| extern int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const u8 *inbuf, |
| size_t inlen, u8 *outbuf, size_t outlen, |
| size_t *outlen_actual); |
| |
| extern void efx_mcdi_rpc_start(struct efx_nic *efx, unsigned cmd, |
| const u8 *inbuf, size_t inlen); |
| extern int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen, |
| u8 *outbuf, size_t outlen, |
| size_t *outlen_actual); |
| |
| extern int efx_mcdi_poll_reboot(struct efx_nic *efx); |
| extern void efx_mcdi_mode_poll(struct efx_nic *efx); |
| extern void efx_mcdi_mode_event(struct efx_nic *efx); |
| |
| extern void efx_mcdi_process_event(struct efx_channel *channel, |
| efx_qword_t *event); |
| extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); |
| |
| #define MCDI_PTR2(_buf, _ofst) \ |
| (((u8 *)_buf) + _ofst) |
| #define MCDI_SET_DWORD2(_buf, _ofst, _value) \ |
| EFX_POPULATE_DWORD_1(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \ |
| EFX_DWORD_0, _value) |
| #define MCDI_DWORD2(_buf, _ofst) \ |
| EFX_DWORD_FIELD(*((efx_dword_t *)MCDI_PTR2(_buf, _ofst)), \ |
| EFX_DWORD_0) |
| #define MCDI_QWORD2(_buf, _ofst) \ |
| EFX_QWORD_FIELD64(*((efx_qword_t *)MCDI_PTR2(_buf, _ofst)), \ |
| EFX_QWORD_0) |
| |
| #define MCDI_PTR(_buf, _ofst) \ |
| MCDI_PTR2(_buf, MC_CMD_ ## _ofst ## _OFST) |
| #define MCDI_ARRAY_PTR(_buf, _field, _type, _index) \ |
| MCDI_PTR2(_buf, \ |
| MC_CMD_ ## _field ## _OFST + \ |
| (_index) * MC_CMD_ ## _type ## _TYPEDEF_LEN) |
| #define MCDI_SET_DWORD(_buf, _ofst, _value) \ |
| MCDI_SET_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST, _value) |
| #define MCDI_DWORD(_buf, _ofst) \ |
| MCDI_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST) |
| #define MCDI_QWORD(_buf, _ofst) \ |
| MCDI_QWORD2(_buf, MC_CMD_ ## _ofst ## _OFST) |
| |
| #define MCDI_EVENT_FIELD(_ev, _field) \ |
| EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) |
| #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ |
| EFX_EXTRACT_DWORD( \ |
| *((efx_dword_t *) \ |
| (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \ |
| (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \ |
| MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f, \ |
| (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _LBN & 0x1f) + \ |
| MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _WIDTH - 1) |
| |
| extern void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len); |
| extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating, |
| bool *was_attached_out); |
| extern int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, |
| u16 *fw_subtype_list, u32 *capabilities); |
| extern int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, |
| u32 dest_evq); |
| extern int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out); |
| extern int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type, |
| size_t *size_out, size_t *erase_size_out, |
| bool *protected_out); |
| extern int efx_mcdi_nvram_update_start(struct efx_nic *efx, |
| unsigned int type); |
| extern int efx_mcdi_nvram_read(struct efx_nic *efx, unsigned int type, |
| loff_t offset, u8 *buffer, size_t length); |
| extern int efx_mcdi_nvram_write(struct efx_nic *efx, unsigned int type, |
| loff_t offset, const u8 *buffer, |
| size_t length); |
| #define EFX_MCDI_NVRAM_LEN_MAX 128 |
| extern int efx_mcdi_nvram_erase(struct efx_nic *efx, unsigned int type, |
| loff_t offset, size_t length); |
| extern int efx_mcdi_nvram_update_finish(struct efx_nic *efx, |
| unsigned int type); |
| extern int efx_mcdi_nvram_test_all(struct efx_nic *efx); |
| extern int efx_mcdi_handle_assertion(struct efx_nic *efx); |
| extern void efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode); |
| extern int efx_mcdi_reset_port(struct efx_nic *efx); |
| extern int efx_mcdi_reset_mc(struct efx_nic *efx); |
| extern int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, |
| const u8 *mac, int *id_out); |
| extern int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out); |
| extern int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id); |
| extern int efx_mcdi_wol_filter_reset(struct efx_nic *efx); |
| extern int efx_mcdi_flush_rxqs(struct efx_nic *efx); |
| extern int efx_mcdi_set_mac(struct efx_nic *efx); |
| extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr, |
| u32 dma_len, int enable, int clear); |
| extern int efx_mcdi_mac_reconfigure(struct efx_nic *efx); |
| extern bool efx_mcdi_mac_check_fault(struct efx_nic *efx); |
| |
| #ifdef CONFIG_SFC_MCDI_MON |
| extern int efx_mcdi_mon_probe(struct efx_nic *efx); |
| extern void efx_mcdi_mon_remove(struct efx_nic *efx); |
| #else |
| static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; } |
| static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {} |
| #endif |
| |
| #endif /* EFX_MCDI_H */ |
