blob: 96235d7b78fce5fe87f1d8d6067fae22482b99ef (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright (C) 2018 IBM Corp. */
#ifndef MBOX_H
#define MBOX_H
#include <assert.h>
#include <mtd/mtd-abi.h>
#include <systemd/sd-bus.h>
#include <poll.h>
#include <stdbool.h>
#include "backend.h"
#include "protocol.h"
#include "transport.h"
#include "vpnor/backend.h"
#include "windows.h"
enum api_version {
API_VERSION_INVAL = 0,
API_VERSION_1 = 1,
API_VERSION_2 = 2
};
#define API_MIN_VERSION API_VERSION_1
#define API_MAX_VERSION API_VERSION_2
#define THIS_NAME "Mailbox Daemon"
/* Argument Flags */
#define FLAGS_NONE 0x00
#define FLAGS_SHORT_LIFETIME 0x01
/* BMC Event Notification */
#define BMC_EVENT_PROTOCOL_RESET 0x01
#define BMC_EVENT_WINDOW_RESET 0x02
#define BMC_EVENT_ACK_MASK (BMC_EVENT_PROTOCOL_RESET | \
BMC_EVENT_WINDOW_RESET)
#define BMC_EVENT_FLASH_CTRL_LOST 0x40
#define BMC_EVENT_DAEMON_READY 0x80
#define BMC_EVENT_V1_MASK BMC_EVENT_PROTOCOL_RESET
#define BMC_EVENT_V2_MASK (BMC_EVENT_PROTOCOL_RESET | \
BMC_EVENT_WINDOW_RESET | \
BMC_EVENT_FLASH_CTRL_LOST | \
BMC_EVENT_DAEMON_READY)
/* Put polled file descriptors first */
#define DBUS_FD 0
#define MBOX_FD 1
#define SIG_FD 2
#define POLL_FDS 3 /* Number of FDs we poll on */
#define LPC_CTRL_FD 3
#define TOTAL_FDS 4
#define MAPS_FLASH (1 << 0)
#define MAPS_MEM (1 << 1)
#define STATE_SUSPENDED (1 << 7)
enum mbox_state {
/* Still Initing */
UNINITIALISED = 0,
/* Active and LPC Maps Flash */
ACTIVE_MAPS_FLASH = MAPS_FLASH,
/* Suspended and LPC Maps Flash */
SUSPEND_MAPS_FLASH = STATE_SUSPENDED | MAPS_FLASH,
/* Active and LPC Maps Memory */
ACTIVE_MAPS_MEM = MAPS_MEM,
/* Suspended and LPC Maps Memory */
SUSPEND_MAPS_MEM = STATE_SUSPENDED | MAPS_MEM
};
struct mbox_context {
enum api_version version;
const struct protocol_ops *protocol;
const struct transport_ops *transport;
struct backend backend;
/* Commandline parameters */
const char *source;
/* System State */
enum mbox_state state;
struct pollfd fds[TOTAL_FDS];
sd_bus *bus;
bool terminate;
uint8_t bmc_events;
uint8_t prev_seq;
/* Window State */
/* The window list struct containing all current "windows" */
struct window_list windows;
/* The window the host is currently pointed at */
struct window_context *current;
/* Is the current window a write one */
bool current_is_write;
/* Memory & Flash State */
/* Reserved Memory Region */
void *mem;
/* Reserved Mem Size (bytes) */
uint32_t mem_size;
/* LPC Bus Base Address (bytes) */
uint32_t lpc_base;
};
#endif /* MBOX_H */
|
