libnx/nx/source/services/usbhs.c

663 lines
15 KiB
C

#include <string.h>
#include "types.h"
#include "result.h"
#include "arm/cache.h"
#include "kernel/ipc.h"
#include "kernel/detect.h"
#include "services/usb.h"
#include "services/usbhs.h"
#include "services/sm.h"
static Service g_usbHsSrv;
static Event g_usbHsInterfaceStateChangeEvent = {0};
static Result _usbHsBindClientProcess(Handle prochandle);
static Result _usbHsGetEvent(Service* srv, Event* event_out, u64 cmd_id);
Result usbHsInitialize(void) {
if (serviceIsActive(&g_usbHsSrv))
return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
Result rc = 0;
rc = smGetService(&g_usbHsSrv, "usb:hs");
if (R_SUCCEEDED(rc)) {
rc = serviceConvertToDomain(&g_usbHsSrv);
}
if (R_SUCCEEDED(rc) && kernelAbove200())
rc = _usbHsBindClientProcess(CUR_PROCESS_HANDLE);
// GetInterfaceStateChangeEvent
if (R_SUCCEEDED(rc))
rc = _usbHsGetEvent(&g_usbHsSrv, &g_usbHsInterfaceStateChangeEvent, kernelAbove200() ? 6 : 5);
if (R_FAILED(rc))
{
eventClose(&g_usbHsInterfaceStateChangeEvent);
serviceClose(&g_usbHsSrv);
}
return rc;
}
void usbHsExit(void) {
if (!serviceIsActive(&g_usbHsSrv))
return;
eventClose(&g_usbHsInterfaceStateChangeEvent);
serviceClose(&g_usbHsSrv);
}
Event* usbHsGetInterfaceStateChangeEvent(void) {
return &g_usbHsInterfaceStateChangeEvent;
}
static Result _usbHsBindClientProcess(Handle prochandle) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
ipcSendHandleCopy(&c, prochandle);
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 0;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
static Result _usbHsGetEvent(Service* srv, Event* event_out, u64 cmd_id) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(srv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = cmd_id;
Result rc = serviceIpcDispatch(srv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(srv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
eventLoadRemote(event_out, r.Handles[0], false);
}
}
return rc;
}
static Result _usbHsQueryInterfaces(u64 base_cmdid, const UsbHsInterfaceFilter* filter, UsbHsInterface* interfaces, size_t interfaces_maxsize, s32* total_entries) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
UsbHsInterfaceFilter filter;
} *raw;
ipcAddRecvBuffer(&c, interfaces, interfaces_maxsize, BufferType_Normal);
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? base_cmdid+1 : base_cmdid;
raw->filter = *filter;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
s32 total_entries;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && total_entries) *total_entries = resp->total_entries;
}
return rc;
}
Result usbHsQueryAllInterfaces(const UsbHsInterfaceFilter* filter, UsbHsInterface* interfaces, size_t interfaces_maxsize, s32* total_entries) {
return _usbHsQueryInterfaces(0, filter, interfaces, interfaces_maxsize, total_entries);
}
Result usbHsQueryAvailableInterfaces(const UsbHsInterfaceFilter* filter, UsbHsInterface* interfaces, size_t interfaces_maxsize, s32* total_entries) {
return _usbHsQueryInterfaces(1, filter, interfaces, interfaces_maxsize, total_entries);
}
Result usbHsQueryAcquiredInterfaces(UsbHsInterface* interfaces, size_t interfaces_maxsize, s32* total_entries) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
ipcAddRecvBuffer(&c, interfaces, interfaces_maxsize, BufferType_Normal);
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? 3 : 2;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
s32 total_entries;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && total_entries) *total_entries = resp->total_entries;
}
return rc;
}
Result usbHsCreateInterfaceAvailableEvent(Event* event, bool autoclear, u8 index, const UsbHsInterfaceFilter* filter) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u8 index;
u8 pad;
UsbHsInterfaceFilter filter;
} *raw;
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? 4 : 3;
raw->index = index;
raw->filter = *filter;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
eventLoadRemote(event, r.Handles[0], autoclear);
}
}
return rc;
}
Result usbHsDestroyInterfaceAvailableEvent(Event* event, u8 index) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u8 index;
} *raw;
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? 5 : 4;
raw->index = index;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
eventClose(event);
return rc;
}
Result usbHsAcquireUsbIf(UsbHsClientIfSession* s, UsbHsInterface *interface) {
IpcCommand c;
ipcInitialize(&c);
memset(s, 0, sizeof(UsbHsClientIfSession));
memcpy(&s->inf, interface, sizeof(UsbHsInterface));
s->ID = interface->inf.ID;
struct {
u64 magic;
u64 cmd_id;
s32 ID;
} *raw;
ipcAddRecvBuffer(&c, &s->inf.inf, sizeof(UsbHsInterfaceInfo), BufferType_Normal);
raw = serviceIpcPrepareHeader(&g_usbHsSrv, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? 7 : 6;
raw->ID = s->ID;
Result rc = serviceIpcDispatch(&g_usbHsSrv);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&g_usbHsSrv, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) {
serviceCreateSubservice(&s->s, &g_usbHsSrv, &r, 0);
}
}
if (R_SUCCEEDED(rc)) {
rc = _usbHsGetEvent(&s->s, &s->event0, 0);
if (kernelAbove200()) rc = _usbHsGetEvent(&s->s, &s->eventCtrlXfer, 6);
if (R_FAILED(rc)) {
serviceClose(&s->s);
eventClose(&s->event0);
eventClose(&s->eventCtrlXfer);
}
}
return rc;
}
void usbHsIfClose(UsbHsClientIfSession* s) {
serviceClose(&s->s);
eventClose(&s->event0);
eventClose(&s->eventCtrlXfer);
memset(s, 0, sizeof(UsbHsClientIfSession));
}
static Result _usbHsIfGetInf(UsbHsClientIfSession* s, UsbHsInterfaceInfo* inf, u8 id, u64 cmd_id) {
IpcCommand c;
ipcInitialize(&c);
if (inf==NULL) inf = &s->inf.inf;
struct {
u64 magic;
u64 cmd_id;
u8 id;
} *raw;
ipcAddRecvBuffer(&c, inf, sizeof(UsbHsInterfaceInfo), BufferType_Normal);
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = cmd_id;
raw->id = id;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result usbHsIfSetInterface(UsbHsClientIfSession* s, UsbHsInterfaceInfo* inf, u8 id) {
return _usbHsIfGetInf(s, inf, id, 1);
}
Result usbHsIfGetAlternateInterface(UsbHsClientIfSession* s, UsbHsInterfaceInfo* inf, u8 id) {
return _usbHsIfGetInf(s, inf, id, 3);
}
Result usbHsIfGetInterface(UsbHsClientIfSession* s, UsbHsInterfaceInfo* inf) {
IpcCommand c;
ipcInitialize(&c);
if (inf==NULL) inf = &s->inf.inf;
struct {
u64 magic;
u64 cmd_id;
} *raw;
ipcAddRecvBuffer(&c, inf, sizeof(UsbHsInterfaceInfo), BufferType_Normal);
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 2;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result usbHsIfGetCurrentFrame(UsbHsClientIfSession* s, u32* out) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = kernelAbove200() ? 4 : 5;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
u32 out;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && out) *out = resp->out;
}
return rc;
}
static Result _usbHsIfSubmitControlRequest(UsbHsClientIfSession* s, u8 bRequest, u8 bmRequestType, u16 wValue, u16 wIndex, u16 wLength, void* buffer, u32 timeoutInMs, u32* transferredSize) {
bool dir = (bmRequestType & USB_ENDPOINT_IN) != 0;
size_t bufsize = (wLength + 0xFFF) & ~0xFFF;
armDCacheFlush(buffer, wLength);
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u8 bRequest;
u8 bmRequestType;
u16 wValue;
u16 wIndex;
u16 wLength;
u32 timeoutInMs;
} PACKED *raw;
if (dir) ipcAddRecvBuffer(&c, buffer, bufsize, BufferType_Normal);
if (!dir) ipcAddSendBuffer(&c, buffer, bufsize, BufferType_Normal);
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = dir ? 6 : 7;
raw->bRequest = bRequest;
raw->bmRequestType = bmRequestType;
raw->wValue = wValue;
raw->wIndex = wIndex;
raw->wLength = wLength;
raw->timeoutInMs = timeoutInMs;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
u32 transferredSize;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc) && transferredSize) *transferredSize = resp->transferredSize;
}
if (dir) armDCacheFlush(buffer, wLength);
return rc;
}
static Result _usbHsIfCtrlXferAsync(UsbHsClientIfSession* s, u8 bmRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength, void* buffer) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u8 bmRequestType;
u8 bRequest;
u16 wValue;
u16 wIndex;
u16 wLength;
u64 buffer;
} PACKED *raw;
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 5;
raw->bmRequestType = bmRequestType;
raw->bRequest = bRequest;
raw->wValue = wValue;
raw->wIndex = wIndex;
raw->wLength = wLength;
raw->buffer = (u64)buffer;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
static Result _usbHsIfGetCtrlXferReport(UsbHsClientIfSession* s, UsbHsXferReport* report) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
ipcAddRecvBuffer(&c, report, sizeof(UsbHsXferReport), BufferType_Normal);
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 7;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}
Result usbHsIfCtrlXfer(UsbHsClientIfSession* s, u8 bmRequestType, u8 bRequest, u16 wValue, u16 wIndex, u16 wLength, void* buffer, u32* transferredSize) {
Result rc=0;
UsbHsXferReport report;
if (!kernelAbove200()) return _usbHsIfSubmitControlRequest(s, bRequest, bmRequestType, wValue, wIndex, wLength, buffer, 0, transferredSize);
rc = _usbHsIfCtrlXferAsync(s, bmRequestType, bRequest, wValue, wIndex, wLength, buffer);
if (R_FAILED(rc)) return rc;
rc = eventWait(&s->eventCtrlXfer, U64_MAX);
if (R_FAILED(rc)) return rc;
eventClear(&s->eventCtrlXfer);
memset(&report, 0, sizeof(report));
rc = _usbHsIfGetCtrlXferReport(s, &report);
if (R_FAILED(rc)) return rc;
*transferredSize = report.transferredSize;
rc = report.res;
return rc;
}
Result usbHsIfResetDevice(UsbHsClientIfSession* s) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
} *raw;
raw = serviceIpcPrepareHeader(&s->s, &c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 8;
Result rc = serviceIpcDispatch(&s->s);
if (R_SUCCEEDED(rc)) {
IpcParsedCommand r;
struct {
u64 magic;
u64 result;
} *resp;
serviceIpcParse(&s->s, &r, sizeof(*resp));
resp = r.Raw;
rc = resp->result;
}
return rc;
}