blob: 5b3579cf7e2b7749e7370bad920dc6773d7575e6 [file] [log] [blame] [edit]
// Copyright 2016 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fcntl.h>
#include <fuchsia/device/c/fidl.h>
#include <fuchsia/device/llcpp/fidl.h>
#include <lib/fdio/directory.h>
#include <lib/zx/channel.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <zircon/syscalls.h>
#include <ddk/debug.h>
static void usage(void) {
fprintf(stderr,
"Usage: driverctl <path> <command> [options]\n"
"\n"
"Where path is path to driver file in /dev\n"
"\n"
"Command \"log\":\n"
" Option is one of:\n"
" \"error\" or \"e\": DDK_LOG_ERROR\n"
" \"warning\" or \"w\": DDK_LOG_WARNING\n"
" \"info\" or \"i\": DDK_LOG_INFO\n"
" \"debug\" or \"d\": DDK_LOG_DEBUG\n"
" \"trace\" or \"t\": DDK_LOG_TRACE\n"
" \"serial\" or \"s\": DDK_LOG_SERIAL\n"
"\n"
" With no options provided, \"driverctl log\" will print the current\n"
" minimum log severity for the driver\n"
"\n"
" For example, to set the minimum log severity to DDK_LOG_ERROR:\n"
" $ driverctl <path> log error\n"
" Or:\n"
" $ driverctl <path> log e\n");
}
int main(int argc, char** argv) {
if (argc < 3 || argc > 4) {
usage();
return -1;
}
const char* path = argv[1];
if (!strcmp(path, "-h")) {
usage();
return 0;
}
const char* command = argv[2];
if (strcmp(command, "log")) {
fprintf(stderr, "Unsupported command \"%s\"\n", command);
usage();
return -1;
}
zx::channel device, device_remote;
if (zx::channel::create(0, &device, &device_remote) != ZX_OK) {
fprintf(stderr, "Failed to create channel\n");
return -1;
}
zx_status_t status = fdio_service_connect(path, device_remote.release());
if (status != ZX_OK) {
fprintf(stderr, "Failed to open %s\n", path);
return -1;
}
if (argc == 3) {
auto response =
llcpp::fuchsia::device::Controller::Call::GetDriverLogFlags(zx::unowned_channel(device));
if (response.status() != ZX_OK || response->status != ZX_OK) {
fprintf(stderr, "GetDriverLogFlags failed for %s\n", path);
return -1;
}
printf("Log severity: ");
switch (static_cast<fx_log_severity_t>(response->flags)) {
case DDK_LOG_ERROR:
printf("error\n");
break;
case DDK_LOG_WARNING:
printf("warning\n");
break;
case DDK_LOG_INFO:
printf("info\n");
break;
case DDK_LOG_DEBUG:
printf("debug\n");
break;
case DDK_LOG_TRACE:
printf("trace\n");
break;
case DDK_LOG_SERIAL:
printf("serial\n");
break;
default:
printf("unknown\n");
break;
}
return 0;
}
const char* arg = argv[3];
fx_log_severity_t flags = 0;
if (!strcasecmp(arg, "e") || !strcasecmp(arg, "error")) {
flags = DDK_LOG_ERROR;
} else if (!strcasecmp(arg, "w") || !strcasecmp(arg, "warning")) {
flags = DDK_LOG_WARNING;
} else if (!strcasecmp(arg, "i") || !strcasecmp(arg, "info")) {
flags = DDK_LOG_INFO;
} else if (!strcasecmp(arg, "d") || !strcasecmp(arg, "debug")) {
flags = DDK_LOG_DEBUG;
} else if (!strcasecmp(arg, "t") || !strcasecmp(arg, "trace")) {
flags = DDK_LOG_TRACE;
} else if (!strcasecmp(arg, "s") || !strcasecmp(arg, "serial")) {
flags = DDK_LOG_SERIAL;
} else {
fprintf(stderr, "Unknown log severity \"%s\"\n", arg);
return -1;
}
auto response = llcpp::fuchsia::device::Controller::Call::SetDriverLogFlags(
zx::unowned_channel(device), 0, flags);
if (response.status() != ZX_OK || response->status != ZX_OK) {
fprintf(stderr, "SetDriverLogFlags failed for %s\n", path);
}
return 0;
}