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Added nvQueryEvent().

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This commit is contained in:
yellows8 2017-11-15 22:34:07 -05:00
parent 61ff5bd9a1
commit 42fbabe9d1
2 changed files with 38 additions and 0 deletions
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1
nx/include/switch/services/nv.h
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@ -12,4 +12,5 @@ void nvExit(void);
Result nvOpen(u32 *fd, const char *devicepath);
Result nvIoctl(u32 fd, u32 request, void* argp);
Result nvClose(u32 fd);
Result nvQueryEvent(u32 fd, u32 event_id, Handle *handle_out);

37
nx/source/services/nv.c
View File

@ -297,3 +297,40 @@ Result nvClose(u32 fd) {
return rc;
}
Result nvQueryEvent(u32 fd, u32 event_id, Handle *handle_out) {
IpcCommand c;
ipcInitialize(&c);
struct {
u64 magic;
u64 cmd_id;
u32 fd;
u32 event_id;
} *raw;
raw = ipcPrepareHeader(&c, sizeof(*raw));
raw->magic = SFCI_MAGIC;
raw->cmd_id = 4;
raw->fd = fd;
raw->event_id = event_id;
Result rc = ipcDispatch(g_nvServiceSession);
if (R_SUCCEEDED(rc)) {
IpcCommandResponse r;
ipcParseResponse(&r);
struct {
u64 magic;
u64 result;
u32 error;
} *resp = r.Raw;
rc = resp->result;
if (R_SUCCEEDED(rc)) rc = resp->error;
if (R_SUCCEEDED(rc)) *handle_out = r.Handles[0];
}
return rc;
}