|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /**************************************************************************** | 
|  | * Driver for Solarflare network controllers and boards | 
|  | * Copyright 2008-2013 Solarflare Communications Inc. | 
|  | */ | 
|  |  | 
|  | #ifndef EFX_MCDI_H | 
|  | #define EFX_MCDI_H | 
|  |  | 
|  | /** | 
|  | * enum efx_mcdi_state - MCDI request handling state | 
|  | * @MCDI_STATE_QUIESCENT: No pending MCDI requests. If the caller holds the | 
|  | *	mcdi @iface_lock then they are able to move to %MCDI_STATE_RUNNING | 
|  | * @MCDI_STATE_RUNNING_SYNC: There is a synchronous MCDI request pending. | 
|  | *	Only the thread that moved into this state is allowed to move out of it. | 
|  | * @MCDI_STATE_RUNNING_ASYNC: There is an asynchronous MCDI request pending. | 
|  | * @MCDI_STATE_PROXY_WAIT: An MCDI request has completed with a response that | 
|  | *	indicates we must wait for a proxy try again message. | 
|  | * @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_SYNC, | 
|  | MCDI_STATE_RUNNING_ASYNC, | 
|  | MCDI_STATE_PROXY_WAIT, | 
|  | MCDI_STATE_COMPLETED, | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * enum efx_mcdi_mode - MCDI transaction mode | 
|  | * @MCDI_MODE_POLL: poll for MCDI completion, until timeout | 
|  | * @MCDI_MODE_EVENTS: wait for an mcdi_event.  On timeout, poll once | 
|  | * @MCDI_MODE_FAIL: we think MCDI is dead, so fail-fast all calls | 
|  | */ | 
|  | enum efx_mcdi_mode { | 
|  | MCDI_MODE_POLL, | 
|  | MCDI_MODE_EVENTS, | 
|  | MCDI_MODE_FAIL, | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * struct efx_mcdi_iface - MCDI protocol context | 
|  | * @efx: The associated NIC. | 
|  | * @state: Request handling state. Waited for by @wq. | 
|  | * @mode: Poll for mcdi completion, or wait for an mcdi_event. | 
|  | * @wq: Wait queue for threads waiting for @state != %MCDI_STATE_RUNNING | 
|  | * @new_epoch: Indicates start of day or start of MC reboot recovery | 
|  | * @iface_lock: Serialises access to @seqno, @credits and response metadata | 
|  | * @seqno: The next sequence number to use for mcdi requests. | 
|  | * @credits: Number of spurious MCDI completion events allowed before we | 
|  | *     trigger a fatal error | 
|  | * @resprc: Response error/success code (Linux numbering) | 
|  | * @resp_hdr_len: Response header length | 
|  | * @resp_data_len: Response data (SDU or error) length | 
|  | * @async_lock: Serialises access to @async_list while event processing is | 
|  | *	enabled | 
|  | * @async_list: Queue of asynchronous requests | 
|  | * @async_timer: Timer for asynchronous request timeout | 
|  | * @logging_buffer: buffer that may be used to build MCDI tracing messages | 
|  | * @logging_enabled: whether to trace MCDI | 
|  | * @proxy_rx_handle: Most recently received proxy authorisation handle | 
|  | * @proxy_rx_status: Status of most recent proxy authorisation | 
|  | * @proxy_rx_wq: Wait queue for updates to proxy_rx_handle | 
|  | */ | 
|  | struct efx_mcdi_iface { | 
|  | struct efx_nic *efx; | 
|  | enum efx_mcdi_state state; | 
|  | enum efx_mcdi_mode mode; | 
|  | wait_queue_head_t wq; | 
|  | spinlock_t iface_lock; | 
|  | bool new_epoch; | 
|  | unsigned int credits; | 
|  | unsigned int seqno; | 
|  | int resprc; | 
|  | int resprc_raw; | 
|  | size_t resp_hdr_len; | 
|  | size_t resp_data_len; | 
|  | spinlock_t async_lock; | 
|  | struct list_head async_list; | 
|  | struct timer_list async_timer; | 
|  | #ifdef CONFIG_SFC_MCDI_LOGGING | 
|  | char *logging_buffer; | 
|  | bool logging_enabled; | 
|  | #endif | 
|  | unsigned int proxy_rx_handle; | 
|  | int proxy_rx_status; | 
|  | wait_queue_head_t proxy_rx_wq; | 
|  | }; | 
|  |  | 
|  | 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; | 
|  | struct attribute_group group; | 
|  | const struct attribute_group *groups[2]; | 
|  | unsigned int n_attrs; | 
|  | }; | 
|  |  | 
|  | struct efx_mcdi_mtd_partition { | 
|  | struct efx_mtd_partition common; | 
|  | bool updating; | 
|  | u16 nvram_type; | 
|  | u16 fw_subtype; | 
|  | }; | 
|  |  | 
|  | #define to_efx_mcdi_mtd_partition(mtd)				\ | 
|  | container_of(mtd, struct efx_mcdi_mtd_partition, common.mtd) | 
|  |  | 
|  | /** | 
|  | * struct efx_mcdi_data - extra state for NICs that implement MCDI | 
|  | * @iface: Interface/protocol state | 
|  | * @hwmon: Hardware monitor state | 
|  | * @fn_flags: Flags for this function, as returned by %MC_CMD_DRV_ATTACH. | 
|  | */ | 
|  | struct efx_mcdi_data { | 
|  | struct efx_mcdi_iface iface; | 
|  | #ifdef CONFIG_SFC_MCDI_MON | 
|  | struct efx_mcdi_mon hwmon; | 
|  | #endif | 
|  | u32 fn_flags; | 
|  | }; | 
|  |  | 
|  | static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx) | 
|  | { | 
|  | EFX_WARN_ON_PARANOID(!efx->mcdi); | 
|  | return &efx->mcdi->iface; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_SFC_MCDI_MON | 
|  | static inline struct efx_mcdi_mon *efx_mcdi_mon(struct efx_nic *efx) | 
|  | { | 
|  | EFX_WARN_ON_PARANOID(!efx->mcdi); | 
|  | return &efx->mcdi->hwmon; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | int efx_mcdi_init(struct efx_nic *efx); | 
|  | void efx_mcdi_detach(struct efx_nic *efx); | 
|  | void efx_mcdi_fini(struct efx_nic *efx); | 
|  |  | 
|  | int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const efx_dword_t *inbuf, | 
|  | size_t inlen, efx_dword_t *outbuf, size_t outlen, | 
|  | size_t *outlen_actual); | 
|  | int efx_mcdi_rpc_quiet(struct efx_nic *efx, unsigned cmd, | 
|  | const efx_dword_t *inbuf, size_t inlen, | 
|  | efx_dword_t *outbuf, size_t outlen, | 
|  | size_t *outlen_actual); | 
|  |  | 
|  | int efx_mcdi_rpc_start(struct efx_nic *efx, unsigned cmd, | 
|  | const efx_dword_t *inbuf, size_t inlen); | 
|  | int efx_mcdi_rpc_finish(struct efx_nic *efx, unsigned cmd, size_t inlen, | 
|  | efx_dword_t *outbuf, size_t outlen, | 
|  | size_t *outlen_actual); | 
|  | int efx_mcdi_rpc_finish_quiet(struct efx_nic *efx, unsigned cmd, | 
|  | size_t inlen, efx_dword_t *outbuf, | 
|  | size_t outlen, size_t *outlen_actual); | 
|  |  | 
|  | typedef void efx_mcdi_async_completer(struct efx_nic *efx, | 
|  | unsigned long cookie, int rc, | 
|  | efx_dword_t *outbuf, | 
|  | size_t outlen_actual); | 
|  | int efx_mcdi_rpc_async(struct efx_nic *efx, unsigned int cmd, | 
|  | const efx_dword_t *inbuf, size_t inlen, size_t outlen, | 
|  | efx_mcdi_async_completer *complete, | 
|  | unsigned long cookie); | 
|  | int efx_mcdi_rpc_async_quiet(struct efx_nic *efx, unsigned int cmd, | 
|  | const efx_dword_t *inbuf, size_t inlen, | 
|  | size_t outlen, | 
|  | efx_mcdi_async_completer *complete, | 
|  | unsigned long cookie); | 
|  |  | 
|  | void efx_mcdi_display_error(struct efx_nic *efx, unsigned cmd, | 
|  | size_t inlen, efx_dword_t *outbuf, | 
|  | size_t outlen, int rc); | 
|  |  | 
|  | int efx_mcdi_poll_reboot(struct efx_nic *efx); | 
|  | void efx_mcdi_mode_poll(struct efx_nic *efx); | 
|  | void efx_mcdi_mode_event(struct efx_nic *efx); | 
|  | void efx_mcdi_flush_async(struct efx_nic *efx); | 
|  |  | 
|  | void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event); | 
|  | void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); | 
|  |  | 
|  | /* We expect that 16- and 32-bit fields in MCDI requests and responses | 
|  | * are appropriately aligned, but 64-bit fields are only | 
|  | * 32-bit-aligned.  Also, on Siena we must copy to the MC shared | 
|  | * memory strictly 32 bits at a time, so add any necessary padding. | 
|  | */ | 
|  | #define MCDI_TX_BUF_LEN(_len) DIV_ROUND_UP((_len), 4) | 
|  | #define _MCDI_DECLARE_BUF(_name, _len)					\ | 
|  | efx_dword_t _name[DIV_ROUND_UP(_len, 4)] | 
|  | #define MCDI_DECLARE_BUF(_name, _len)					\ | 
|  | _MCDI_DECLARE_BUF(_name, _len) = {{{0}}} | 
|  | #define MCDI_DECLARE_BUF_ERR(_name)					\ | 
|  | MCDI_DECLARE_BUF(_name, 8) | 
|  | #define _MCDI_PTR(_buf, _offset)					\ | 
|  | ((u8 *)(_buf) + (_offset)) | 
|  | #define MCDI_PTR(_buf, _field)						\ | 
|  | _MCDI_PTR(_buf, MC_CMD_ ## _field ## _OFST) | 
|  | /* Use MCDI_STRUCT_ functions to access members of MCDI structuredefs. | 
|  | * _buf should point to the start of the structure, typically obtained with | 
|  | * MCDI_DECLARE_STRUCT_PTR(structure) = _MCDI_DWORD(mcdi_buf, FIELD_WHICH_IS_STRUCT); | 
|  | */ | 
|  | #define MCDI_STRUCT_PTR(_buf, _field)					\ | 
|  | _MCDI_PTR(_buf, _field ## _OFST) | 
|  | #define _MCDI_CHECK_ALIGN(_ofst, _align)				\ | 
|  | ((_ofst) + BUILD_BUG_ON_ZERO((_ofst) & (_align - 1))) | 
|  | #define _MCDI_DWORD(_buf, _field)					\ | 
|  | ((_buf) + (_MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, 4) >> 2)) | 
|  | #define _MCDI_STRUCT_DWORD(_buf, _field)				\ | 
|  | ((_buf) + (_MCDI_CHECK_ALIGN(_field ## _OFST, 4) >> 2)) | 
|  |  | 
|  | #define MCDI_STRUCT_SET_BYTE(_buf, _field, _value) do {			\ | 
|  | BUILD_BUG_ON(_field ## _LEN != 1);				\ | 
|  | *(u8 *)MCDI_STRUCT_PTR(_buf, _field) = _value;			\ | 
|  | } while (0) | 
|  | #define MCDI_STRUCT_POPULATE_BYTE_1(_buf, _field, _name, _value) do {	\ | 
|  | efx_dword_t _temp;						\ | 
|  | EFX_POPULATE_DWORD_1(_temp, _name, _value);			\ | 
|  | MCDI_STRUCT_SET_BYTE(_buf, _field,				\ | 
|  | EFX_DWORD_FIELD(_temp, EFX_BYTE_0));	\ | 
|  | } while (0) | 
|  | #define MCDI_BYTE(_buf, _field)						\ | 
|  | ((void)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 1),	\ | 
|  | *MCDI_PTR(_buf, _field)) | 
|  | #define MCDI_STRUCT_BYTE(_buf, _field)					\ | 
|  | ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 1),			\ | 
|  | *MCDI_STRUCT_PTR(_buf, _field)) | 
|  | #define MCDI_SET_WORD(_buf, _field, _value) do {			\ | 
|  | BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2);			\ | 
|  | BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1);			\ | 
|  | *(__force __le16 *)MCDI_PTR(_buf, _field) = cpu_to_le16(_value);\ | 
|  | } while (0) | 
|  | #define MCDI_STRUCT_SET_WORD(_buf, _field, _value) do {			\ | 
|  | BUILD_BUG_ON(_field ## _LEN != 2);				\ | 
|  | BUILD_BUG_ON(_field ## _OFST & 1);				\ | 
|  | *(__force __le16 *)MCDI_STRUCT_PTR(_buf, _field) = cpu_to_le16(_value);\ | 
|  | } while (0) | 
|  | #define MCDI_WORD(_buf, _field)						\ | 
|  | ((u16)BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) +	\ | 
|  | le16_to_cpu(*(__force const __le16 *)MCDI_PTR(_buf, _field))) | 
|  | #define MCDI_STRUCT_WORD(_buf, _field)                                  \ | 
|  | ((void)BUILD_BUG_ON_ZERO(_field ## _LEN != 2),  \ | 
|  | le16_to_cpu(*(__force const __le16 *)MCDI_STRUCT_PTR(_buf, _field))) | 
|  | /* Write a 16-bit field defined in the protocol as being big-endian. */ | 
|  | #define MCDI_SET_WORD_BE(_buf, _field, _value) do {			\ | 
|  | BUILD_BUG_ON(MC_CMD_ ## _field ## _LEN != 2);			\ | 
|  | BUILD_BUG_ON(MC_CMD_ ## _field ## _OFST & 1);			\ | 
|  | *(__force __be16 *)MCDI_PTR(_buf, _field) = (_value);		\ | 
|  | } while (0) | 
|  | #define MCDI_STRUCT_SET_WORD_BE(_buf, _field, _value) do {		\ | 
|  | BUILD_BUG_ON(_field ## _LEN != 2);				\ | 
|  | BUILD_BUG_ON(_field ## _OFST & 1);				\ | 
|  | *(__force __be16 *)MCDI_STRUCT_PTR(_buf, _field) = (_value);	\ | 
|  | } while (0) | 
|  | #define MCDI_SET_DWORD(_buf, _field, _value)				\ | 
|  | EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0, _value) | 
|  | #define MCDI_STRUCT_SET_DWORD(_buf, _field, _value)			\ | 
|  | EFX_POPULATE_DWORD_1(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0, _value) | 
|  | #define MCDI_DWORD(_buf, _field)					\ | 
|  | EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0) | 
|  | #define MCDI_STRUCT_DWORD(_buf, _field)                                 \ | 
|  | EFX_DWORD_FIELD(*_MCDI_STRUCT_DWORD(_buf, _field), EFX_DWORD_0) | 
|  | /* Write a 32-bit field defined in the protocol as being big-endian. */ | 
|  | #define MCDI_STRUCT_SET_DWORD_BE(_buf, _field, _value) do {		\ | 
|  | BUILD_BUG_ON(_field ## _LEN != 4);				\ | 
|  | BUILD_BUG_ON(_field ## _OFST & 3);				\ | 
|  | *(__force __be32 *)MCDI_STRUCT_PTR(_buf, _field) = (_value);	\ | 
|  | } while (0) | 
|  | #define MCDI_POPULATE_DWORD_1(_buf, _field, _name1, _value1)		\ | 
|  | EFX_POPULATE_DWORD_1(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1) | 
|  | #define MCDI_POPULATE_DWORD_2(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2)				\ | 
|  | EFX_POPULATE_DWORD_2(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2) | 
|  | #define MCDI_POPULATE_DWORD_3(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2, _name3, _value3)		\ | 
|  | EFX_POPULATE_DWORD_3(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2,		\ | 
|  | MC_CMD_ ## _name3, _value3) | 
|  | #define MCDI_POPULATE_DWORD_4(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2, _name3, _value3,		\ | 
|  | _name4, _value4)				\ | 
|  | EFX_POPULATE_DWORD_4(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2,		\ | 
|  | MC_CMD_ ## _name3, _value3,		\ | 
|  | MC_CMD_ ## _name4, _value4) | 
|  | #define MCDI_POPULATE_DWORD_5(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2, _name3, _value3,		\ | 
|  | _name4, _value4, _name5, _value5)		\ | 
|  | EFX_POPULATE_DWORD_5(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2,		\ | 
|  | MC_CMD_ ## _name3, _value3,		\ | 
|  | MC_CMD_ ## _name4, _value4,		\ | 
|  | MC_CMD_ ## _name5, _value5) | 
|  | #define MCDI_POPULATE_DWORD_6(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2, _name3, _value3,		\ | 
|  | _name4, _value4, _name5, _value5,		\ | 
|  | _name6, _value6)				\ | 
|  | EFX_POPULATE_DWORD_6(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2,		\ | 
|  | MC_CMD_ ## _name3, _value3,		\ | 
|  | MC_CMD_ ## _name4, _value4,		\ | 
|  | MC_CMD_ ## _name5, _value5,		\ | 
|  | MC_CMD_ ## _name6, _value6) | 
|  | #define MCDI_POPULATE_DWORD_7(_buf, _field, _name1, _value1,		\ | 
|  | _name2, _value2, _name3, _value3,		\ | 
|  | _name4, _value4, _name5, _value5,		\ | 
|  | _name6, _value6, _name7, _value7)		\ | 
|  | EFX_POPULATE_DWORD_7(*_MCDI_DWORD(_buf, _field),		\ | 
|  | MC_CMD_ ## _name1, _value1,		\ | 
|  | MC_CMD_ ## _name2, _value2,		\ | 
|  | MC_CMD_ ## _name3, _value3,		\ | 
|  | MC_CMD_ ## _name4, _value4,		\ | 
|  | MC_CMD_ ## _name5, _value5,		\ | 
|  | MC_CMD_ ## _name6, _value6,		\ | 
|  | MC_CMD_ ## _name7, _value7) | 
|  | #define MCDI_SET_QWORD(_buf, _field, _value)				\ | 
|  | do {								\ | 
|  | EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[0],	\ | 
|  | EFX_DWORD_0, (u32)(_value));	\ | 
|  | EFX_POPULATE_DWORD_1(_MCDI_DWORD(_buf, _field)[1],	\ | 
|  | EFX_DWORD_0, (u64)(_value) >> 32);	\ | 
|  | } while (0) | 
|  | #define MCDI_QWORD(_buf, _field)					\ | 
|  | (EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[0], EFX_DWORD_0) |	\ | 
|  | (u64)EFX_DWORD_FIELD(_MCDI_DWORD(_buf, _field)[1], EFX_DWORD_0) << 32) | 
|  | #define MCDI_FIELD(_ptr, _type, _field)					\ | 
|  | EFX_EXTRACT_DWORD(						\ | 
|  | *(efx_dword_t *)					\ | 
|  | _MCDI_PTR(_ptr, MC_CMD_ ## _type ## _ ## _field ## _OFST & ~3),\ | 
|  | MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f,	\ | 
|  | (MC_CMD_ ## _type ## _ ## _field ## _LBN & 0x1f) +	\ | 
|  | MC_CMD_ ## _type ## _ ## _field ## _WIDTH - 1) | 
|  |  | 
|  | #define _MCDI_ARRAY_PTR(_buf, _field, _index, _align)			\ | 
|  | (_MCDI_PTR(_buf, _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _OFST, _align))\ | 
|  | + (_index) * _MCDI_CHECK_ALIGN(MC_CMD_ ## _field ## _LEN, _align)) | 
|  | #define MCDI_DECLARE_STRUCT_PTR(_name)					\ | 
|  | efx_dword_t *_name | 
|  | #define MCDI_ARRAY_STRUCT_PTR(_buf, _field, _index)			\ | 
|  | ((efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) | 
|  | #define MCDI_VAR_ARRAY_LEN(_len, _field)				\ | 
|  | min_t(size_t, MC_CMD_ ## _field ## _MAXNUM,			\ | 
|  | ((_len) - MC_CMD_ ## _field ## _OFST) / MC_CMD_ ## _field ## _LEN) | 
|  | #define MCDI_ARRAY_WORD(_buf, _field, _index)				\ | 
|  | (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 2) +		\ | 
|  | le16_to_cpu(*(__force const __le16 *)				\ | 
|  | _MCDI_ARRAY_PTR(_buf, _field, _index, 2))) | 
|  | #define _MCDI_ARRAY_DWORD(_buf, _field, _index)				\ | 
|  | (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 4) +		\ | 
|  | (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) | 
|  | #define MCDI_SET_ARRAY_DWORD(_buf, _field, _index, _value)		\ | 
|  | EFX_SET_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index),	\ | 
|  | EFX_DWORD_0, _value) | 
|  | #define MCDI_ARRAY_DWORD(_buf, _field, _index)				\ | 
|  | EFX_DWORD_FIELD(*_MCDI_ARRAY_DWORD(_buf, _field, _index), EFX_DWORD_0) | 
|  | #define _MCDI_ARRAY_QWORD(_buf, _field, _index)				\ | 
|  | (BUILD_BUG_ON_ZERO(MC_CMD_ ## _field ## _LEN != 8) +		\ | 
|  | (efx_dword_t *)_MCDI_ARRAY_PTR(_buf, _field, _index, 4)) | 
|  | #define MCDI_SET_ARRAY_QWORD(_buf, _field, _index, _value)		\ | 
|  | do {								\ | 
|  | EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[0],\ | 
|  | EFX_DWORD_0, (u32)(_value));	\ | 
|  | EFX_SET_DWORD_FIELD(_MCDI_ARRAY_QWORD(_buf, _field, _index)[1],\ | 
|  | EFX_DWORD_0, (u64)(_value) >> 32);	\ | 
|  | } while (0) | 
|  | #define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2)		\ | 
|  | MCDI_FIELD(MCDI_ARRAY_STRUCT_PTR(_buf, _field1, _index),	\ | 
|  | _type ## _TYPEDEF, _field2) | 
|  |  | 
|  | #define MCDI_EVENT_FIELD(_ev, _field)			\ | 
|  | EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) | 
|  |  | 
|  | #define MCDI_CAPABILITY(field)						\ | 
|  | MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _LBN | 
|  |  | 
|  | #define MCDI_CAPABILITY_OFST(field) \ | 
|  | MC_CMD_GET_CAPABILITIES_V8_OUT_ ## field ## _OFST | 
|  |  | 
|  | #define efx_has_cap(efx, field) \ | 
|  | efx->type->check_caps(efx, \ | 
|  | MCDI_CAPABILITY(field), \ | 
|  | MCDI_CAPABILITY_OFST(field)) | 
|  |  | 
|  | void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len); | 
|  | int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address, | 
|  | u16 *fw_subtype_list, u32 *capabilities); | 
|  | int efx_mcdi_log_ctrl(struct efx_nic *efx, bool evq, bool uart, u32 dest_evq); | 
|  | int efx_mcdi_nvram_types(struct efx_nic *efx, u32 *nvram_types_out); | 
|  | int efx_mcdi_nvram_info(struct efx_nic *efx, unsigned int type, | 
|  | size_t *size_out, size_t *erase_size_out, | 
|  | bool *protected_out); | 
|  | int efx_new_mcdi_nvram_test_all(struct efx_nic *efx); | 
|  | int efx_mcdi_nvram_metadata(struct efx_nic *efx, unsigned int type, | 
|  | u32 *subtype, u16 version[4], char *desc, | 
|  | size_t descsize); | 
|  | int efx_mcdi_nvram_test_all(struct efx_nic *efx); | 
|  | int efx_mcdi_handle_assertion(struct efx_nic *efx); | 
|  | int efx_mcdi_set_id_led(struct efx_nic *efx, enum efx_led_mode mode); | 
|  | int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx, const u8 *mac, | 
|  | int *id_out); | 
|  | int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out); | 
|  | int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id); | 
|  | int efx_mcdi_wol_filter_reset(struct efx_nic *efx); | 
|  | int efx_mcdi_flush_rxqs(struct efx_nic *efx); | 
|  | void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev); | 
|  | void efx_mcdi_mac_start_stats(struct efx_nic *efx); | 
|  | void efx_mcdi_mac_stop_stats(struct efx_nic *efx); | 
|  | void efx_mcdi_mac_pull_stats(struct efx_nic *efx); | 
|  | enum reset_type efx_mcdi_map_reset_reason(enum reset_type reason); | 
|  | int efx_mcdi_reset(struct efx_nic *efx, enum reset_type method); | 
|  | int efx_mcdi_set_workaround(struct efx_nic *efx, u32 type, bool enabled, | 
|  | unsigned int *flags); | 
|  | int efx_mcdi_get_workarounds(struct efx_nic *efx, unsigned int *impl_out, | 
|  | unsigned int *enabled_out); | 
|  | int efx_mcdi_get_privilege_mask(struct efx_nic *efx, u32 *mask); | 
|  |  | 
|  | #ifdef CONFIG_SFC_MCDI_MON | 
|  | int efx_mcdi_mon_probe(struct efx_nic *efx); | 
|  | 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 | 
|  |  | 
|  | #ifdef CONFIG_SFC_MTD | 
|  | int efx_mcdi_mtd_read(struct mtd_info *mtd, loff_t start, size_t len, | 
|  | size_t *retlen, u8 *buffer); | 
|  | int efx_mcdi_mtd_erase(struct mtd_info *mtd, loff_t start, size_t len); | 
|  | int efx_mcdi_mtd_write(struct mtd_info *mtd, loff_t start, size_t len, | 
|  | size_t *retlen, const u8 *buffer); | 
|  | int efx_mcdi_mtd_sync(struct mtd_info *mtd); | 
|  | void efx_mcdi_mtd_rename(struct efx_mtd_partition *part); | 
|  | #endif | 
|  |  | 
|  | #endif /* EFX_MCDI_H */ |