mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
2e80340740
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
133 lines
5.0 KiB
C
133 lines
5.0 KiB
C
/****************************************************************************
|
|
* Driver for Solarflare Solarstorm network controllers and boards
|
|
* Copyright 2008-2009 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;
|
|
};
|
|
|
|
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 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);
|
|
|
|
#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_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)
|
|
|
|
extern int efx_mcdi_fwver(struct efx_nic *efx, u64 *version, u32 *build);
|
|
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);
|
|
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(struct efx_nic *efx, u32 type,
|
|
const u8 *mac, int *id_out);
|
|
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);
|
|
|
|
#endif /* EFX_MCDI_H */
|