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platform: Add basic hwreset implementation for ALLS

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This commit is contained in:
Felix 2020-10-07 17:27:23 +00:00
parent cd5ae172b8
commit cc95389646
6 changed files with 135 additions and 0 deletions
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11
platform/config.c
View File

@ -14,6 +14,7 @@
#include "platform/config.h"
#include "platform/dns.h"
#include "platform/hwmon.h"
#include "platform/hwreset.h"
#include "platform/misc.h"
#include "platform/netenv.h"
#include "platform/nusec.h"
@ -30,6 +31,7 @@ void platform_config_load(struct platform_config *cfg, const wchar_t *filename)
clock_config_load(&cfg->clock, filename);
dns_config_load(&cfg->dns, filename);
hwmon_config_load(&cfg->hwmon, filename);
hwreset_config_load(&cfg->hwreset, filename);
misc_config_load(&cfg->misc, filename);
pcbid_config_load(&cfg->pcbid, filename);
netenv_config_load(&cfg->netenv, filename);
@ -117,9 +119,18 @@ void hwmon_config_load(struct hwmon_config *cfg, const wchar_t *filename)
cfg->enable = GetPrivateProfileIntW(L"hwmon", L"enable", 1, filename);
}
void hwreset_config_load(struct hwreset_config *cfg, const wchar_t *filename)
{
assert(cfg != NULL);
assert(filename != NULL);
cfg->enable = GetPrivateProfileIntW(L"hwreset", L"enable", 1, filename);
}
void misc_config_load(struct misc_config *cfg, const wchar_t *filename)
{
assert(cfg != NULL);
assert(filename != NULL);
cfg->enable = GetPrivateProfileIntW(L"misc", L"enable", 1, filename);
}

2
platform/config.h
View File

@ -10,6 +10,7 @@
#include "platform/clock.h"
#include "platform/dns.h"
#include "platform/hwmon.h"
#include "platform/hwreset.h"
#include "platform/misc.h"
#include "platform/netenv.h"
#include "platform/nusec.h"
@ -25,6 +26,7 @@ void amvideo_config_load(struct amvideo_config *cfg, const wchar_t *filename);
void clock_config_load(struct clock_config *cfg, const wchar_t *filename);
void dns_config_load(struct dns_config *cfg, const wchar_t *filename);
void hwmon_config_load(struct hwmon_config *cfg, const wchar_t *filename);
void hwreset_config_load(struct hwreset_config *cfg, const wchar_t *filename);
void misc_config_load(struct misc_config *cfg, const wchar_t *filename);
void netenv_config_load(struct netenv_config *cfg, const wchar_t *filename);
void nusec_config_load(struct nusec_config *cfg, const wchar_t *filename);

107
platform/hwreset.c Normal file
View File

@ -0,0 +1,107 @@
#include <windows.h>
#include <assert.h>
#include <string.h>
#include "hook/iohook.h"
#include "platform/hwreset.h"
#include "util/dprintf.h"
#include "util/str.h"
enum {
HWRESET_IOCTL_RESTART = 0x80002000,
};
static HRESULT hwreset_handle_irp(struct irp *irp);
static HRESULT hwreset_handle_open(struct irp *irp);
static HRESULT hwreset_handle_close(struct irp *irp);
static HRESULT hwreset_handle_ioctl(struct irp *irp);
static HRESULT hwreset_ioctl_restart(struct irp *irp);
static HANDLE hwreset_fd;
HRESULT hwreset_hook_init(const struct hwreset_config *cfg)
{
HRESULT hr;
assert(cfg != NULL);
if (!cfg->enable) {
return S_FALSE;
}
hr = iohook_open_nul_fd(&hwreset_fd);
if (FAILED(hr)) {
return hr;
}
hr = iohook_push_handler(hwreset_handle_irp);
if (FAILED(hr)) {
return hr;
}
return S_OK;
}
static HRESULT hwreset_handle_irp(struct irp *irp)
{
assert(irp != NULL);
if (irp->op != IRP_OP_OPEN && irp->fd != hwreset_fd) {
return iohook_invoke_next(irp);
}
switch (irp->op) {
case IRP_OP_OPEN: return hwreset_handle_open(irp);
case IRP_OP_CLOSE: return hwreset_handle_close(irp);
case IRP_OP_IOCTL: return hwreset_handle_ioctl(irp);
default: return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
}
}
static HRESULT hwreset_handle_open(struct irp *irp)
{
if (!wstr_ieq(irp->open_filename, L"\\\\.\\sghwreset")) {
return iohook_invoke_next(irp);
}
dprintf("Hwreset: Opened device\n");
irp->fd = hwreset_fd;
return S_OK;
}
static HRESULT hwreset_handle_close(struct irp *irp)
{
dprintf("Hwreset: Closed device\n");
return S_OK;
}
static HRESULT hwreset_handle_ioctl(struct irp *irp)
{
switch (irp->ioctl) {
case HWRESET_IOCTL_RESTART:
return hwreset_ioctl_restart(irp);
default:
dprintf("Hwreset: Unknown ioctl %08x, write %i read %i\n",
irp->ioctl,
(int) irp->write.nbytes,
(int) irp->read.nbytes);
return HRESULT_FROM_WIN32(ERROR_INVALID_FUNCTION);
}
}
static HRESULT hwreset_ioctl_restart(struct irp *irp)
{
dprintf("Hwreset: Reset requested\n");
return iobuf_write_le32(&irp->read, 1);
}

11
platform/hwreset.h Normal file
View File

@ -0,0 +1,11 @@
#pragma once
#include <windows.h>
#include <stdbool.h>
struct hwreset_config {
bool enable;
};
HRESULT hwreset_hook_init(const struct hwreset_config *cfg);

2
platform/meson.build
View File

@ -18,6 +18,8 @@ platform_lib = static_library(
'dns.h',
'hwmon.c',
'hwmon.h',
'hwreset.c',
'hwreset.h',
'misc.c',
'misc.h',
'netenv.c',

2
platform/platform.h
View File

@ -6,6 +6,7 @@
#include "platform/clock.h"
#include "platform/dns.h"
#include "platform/hwmon.h"
#include "platform/hwreset.h"
#include "platform/misc.h"
#include "platform/netenv.h"
#include "platform/nusec.h"
@ -17,6 +18,7 @@ struct platform_config {
struct clock_config clock;
struct dns_config dns;
struct hwmon_config hwmon;
struct hwreset_config hwreset;
struct misc_config misc;
struct pcbid_config pcbid;
struct netenv_config netenv;