^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2003-2018, Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Intel Management Engine Interface (Intel MEI) Linux driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef _MEI_CLIENT_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define _MEI_CLIENT_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/poll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/mei.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "mei_dev.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * reference counting base function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) void mei_me_cl_init(struct mei_me_client *me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) void mei_me_cl_put(struct mei_me_client *me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct mei_me_client *mei_me_cl_get(struct mei_me_client *me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) void mei_me_cl_add(struct mei_device *dev, struct mei_me_client *me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) void mei_me_cl_del(struct mei_device *dev, struct mei_me_client *me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct mei_me_client *mei_me_cl_by_uuid(struct mei_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) const uuid_le *uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct mei_me_client *mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct mei_me_client *mei_me_cl_by_uuid_id(struct mei_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) const uuid_le *uuid, u8 client_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) void mei_me_cl_rm_by_uuid_id(struct mei_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) const uuid_le *uuid, u8 id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) void mei_me_cl_rm_all(struct mei_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * mei_me_cl_is_active - check whether me client is active in the fw
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * Return: true if the me client is active in the firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static inline bool mei_me_cl_is_active(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return !list_empty_careful(&me_cl->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * mei_me_cl_uuid - return me client protocol name (uuid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * Return: me client protocol name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static inline const uuid_le *mei_me_cl_uuid(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return &me_cl->props.protocol_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * mei_me_cl_ver - return me client protocol version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * Return: me client protocol version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static inline u8 mei_me_cl_ver(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return me_cl->props.protocol_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) * mei_me_cl_max_conn - return me client max number of connections
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * Return: me client max number of connections
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static inline u8 mei_me_cl_max_conn(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return me_cl->props.max_number_of_connections;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * mei_me_cl_fixed - return me client fixed address, if any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * Return: me client fixed address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline u8 mei_me_cl_fixed(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return me_cl->props.fixed_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * mei_me_cl_vt - return me client vtag supported status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Return: true if me client supports vt tagging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static inline bool mei_me_cl_vt(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return me_cl->props.vt_supported == 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * mei_me_cl_max_len - return me client max msg length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * @me_cl: me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * Return: me client max msg length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static inline u32 mei_me_cl_max_len(const struct mei_me_client *me_cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return me_cl->props.max_msg_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * MEI IO Functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) void mei_io_cb_free(struct mei_cl_cb *priv_cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * MEI Host Client Functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct mei_cl *mei_cl_allocate(struct mei_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int mei_cl_link(struct mei_cl *cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) int mei_cl_unlink(struct mei_cl *cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct mei_cl *mei_cl_alloc_linked(struct mei_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct mei_cl_cb *mei_cl_read_cb(struct mei_cl *cl, const struct file *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) void mei_cl_add_rd_completed(struct mei_cl *cl, struct mei_cl_cb *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) void mei_cl_del_rd_completed(struct mei_cl *cl, struct mei_cl_cb *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct mei_cl_cb *mei_cl_alloc_cb(struct mei_cl *cl, size_t length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) enum mei_cb_file_ops type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) const struct file *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) struct mei_cl_cb *mei_cl_enqueue_ctrl_wr_cb(struct mei_cl *cl, size_t length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) enum mei_cb_file_ops type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) const struct file *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) int mei_cl_flush_queues(struct mei_cl *cl, const struct file *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct mei_cl_vtag *mei_cl_vtag_alloc(struct file *fp, u8 vtag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) const struct file *mei_cl_fp_by_vtag(const struct mei_cl *cl, u8 vtag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int mei_cl_vt_support_check(const struct mei_cl *cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * MEI input output function prototype
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * mei_cl_is_connected - host client is connected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * Return: true if the host client is connected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static inline bool mei_cl_is_connected(struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return cl->state == MEI_FILE_CONNECTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) * mei_cl_me_id - me client id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) * Return: me client id or 0 if client is not connected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static inline u8 mei_cl_me_id(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return cl->me_cl ? cl->me_cl->client_id : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * mei_cl_mtu - maximal message that client can send and receive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * Return: mtu or 0 if client is not connected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static inline size_t mei_cl_mtu(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return cl->me_cl ? cl->me_cl->props.max_msg_length : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * mei_cl_is_fixed_address - check whether the me client uses fixed address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * Return: true if the client is connected and it has fixed me address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) static inline bool mei_cl_is_fixed_address(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return cl->me_cl && cl->me_cl->props.fixed_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * mei_cl_is_single_recv_buf- check whether the me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * uses single receiving buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) * Return: true if single_recv_buf == 1; 0 otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static inline bool mei_cl_is_single_recv_buf(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return cl->me_cl->props.single_recv_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) * mei_cl_uuid - client's uuid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * Return: return uuid of connected me client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static inline const uuid_le *mei_cl_uuid(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return mei_me_cl_uuid(cl->me_cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * mei_cl_host_addr - client's host address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * @cl: host client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) * Return: 0 for fixed address client, host address for dynamic client
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static inline u8 mei_cl_host_addr(const struct mei_cl *cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return mei_cl_is_fixed_address(cl) ? 0 : cl->host_client_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) int mei_cl_disconnect(struct mei_cl *cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) int mei_cl_irq_disconnect(struct mei_cl *cl, struct mei_cl_cb *cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct list_head *cmpl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int mei_cl_connect(struct mei_cl *cl, struct mei_me_client *me_cl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) const struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) int mei_cl_irq_connect(struct mei_cl *cl, struct mei_cl_cb *cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) struct list_head *cmpl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) int mei_cl_read_start(struct mei_cl *cl, size_t length, const struct file *fp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct list_head *cmpl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) void mei_host_client_init(struct mei_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) u8 mei_cl_notify_fop2req(enum mei_cb_file_ops fop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) enum mei_cb_file_ops mei_cl_notify_req2fop(u8 request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) int mei_cl_notify_request(struct mei_cl *cl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) const struct file *file, u8 request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) int mei_cl_irq_notify(struct mei_cl *cl, struct mei_cl_cb *cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) struct list_head *cmpl_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) int mei_cl_notify_get(struct mei_cl *cl, bool block, bool *notify_ev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) void mei_cl_notify(struct mei_cl *cl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) void mei_cl_all_disconnect(struct mei_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) #define MEI_CL_FMT "cl:host=%02d me=%02d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) #define MEI_CL_PRM(cl) (cl)->host_client_id, mei_cl_me_id(cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #define cl_dbg(dev, cl, format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) dev_dbg((dev)->dev, MEI_CL_FMT format, MEI_CL_PRM(cl), ##arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) #define cl_warn(dev, cl, format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) dev_warn((dev)->dev, MEI_CL_FMT format, MEI_CL_PRM(cl), ##arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) #define cl_err(dev, cl, format, arg...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) dev_err((dev)->dev, MEI_CL_FMT format, MEI_CL_PRM(cl), ##arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) #endif /* _MEI_CLIENT_H_ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags