diff options
Diffstat (limited to 'extras/firmware')
| -rw-r--r-- | extras/firmware/Makefile | 17 | ||||
| -rwxr-xr-x | extras/firmware/firmware.sh | 27 | ||||
| -rw-r--r-- | extras/firmware/firmware_helper.c | 142 |
3 files changed, 30 insertions, 156 deletions
diff --git a/extras/firmware/Makefile b/extras/firmware/Makefile index a30c0fcd5b..55ba22386f 100644 --- a/extras/firmware/Makefile +++ b/extras/firmware/Makefile @@ -1,14 +1,11 @@ # Makefile for udev extra invoked from the udev main Makefile # -# Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org> +# Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org> # # Released under the GNU General Public License, version 2. # -PROG = firmware_helper -OBJ = -HEADERS = -GEN_HEADERS = +PROG = firmware.sh MAN_PAGES = prefix = @@ -29,14 +26,6 @@ all: $(PROG) $(MAN_PAGES) .PHONY: all .DEFAULT: all -%.o: %.c $(GEN_HEADERS) - $(E) " CC " $@ - $(Q) $(CC) -c $(CFLAGS) $< -o $@ - -$(PROG): %: $(HEADERS) %.o $(OBJS) - $(E) " LD " $@ - $(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS) - # man pages %.8: %.xml $(E) " XMLTO " $@ @@ -45,7 +34,6 @@ $(PROG): %: $(HEADERS) %.o $(OBJS) clean: $(E) " CLEAN " - $(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS) .PHONY: clean install-bin: all @@ -67,3 +55,4 @@ uninstall-man: install-config: @echo "no config file to install" .PHONY: install-config + diff --git a/extras/firmware/firmware.sh b/extras/firmware/firmware.sh new file mode 100755 index 0000000000..fb2f2a792d --- /dev/null +++ b/extras/firmware/firmware.sh @@ -0,0 +1,27 @@ +#!/bin/sh -e + +FIRMWARE_DIRS="/lib/firmware /usr/local/lib/firmware" + +err() { + echo "$@" >&2 + if [ -x /bin/logger ]; then + /bin/logger -t "${0##*/}[$$]" "$@" + fi +} + +if [ ! -e /sys$DEVPATH/loading ]; then + err "udev firmware loader misses sysfs directory" + exit 1 +fi + +for DIR in $FIRMWARE_DIRS; do + [ -e "$DIR/$FIRMWARE" ] || continue + echo 1 > /sys/$DEVPATH/loading + cat "$DIR/$FIRMWARE" > /sys/$DEVPATH/data + echo 0 > /sys/$DEVPATH/loading + exit 0 +done + +echo -1 > /sys/$DEVPATH/loading +err "Cannot find firmware file '$FIRMWARE'" +exit 1 diff --git a/extras/firmware/firmware_helper.c b/extras/firmware/firmware_helper.c deleted file mode 100644 index ca1c43814f..0000000000 --- a/extras/firmware/firmware_helper.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * A simple firmware helper program. - * - * Copyright 2005 Red Hat, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation version 2 of the License. - */ - -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> -#include <sys/stat.h> - -#include "../../udev.h" - -#define FIRMWARE_PATH "/lib/firmware" -#define PATH_SIZE 256 - -#ifdef USE_LOG -void log_message(int priority, const char *format, ...) -{ - va_list args; - static int udev_log = -1; - - if (udev_log == -1) { - const char *value; - - value = getenv("UDEV_LOG"); - if (value) - udev_log = log_priority(value); - else - udev_log = LOG_ERR; - } - - if (priority > udev_log) - return; - - va_start(args, format); - vsyslog(priority, format, args); - va_end(args); -} -#endif - -/* Set the 'loading' attribute for a firmware device. - * 1 == currently loading - * 0 == done loading - * -1 == error - */ -static int set_loading(const char *device, int value) { - char loading_path[PATH_SIZE]; - int rc; - FILE *f; - - snprintf(loading_path, sizeof(loading_path), "/sys/%s/loading", device); - loading_path[sizeof(loading_path)-1] = '\0'; - f = fopen(loading_path, "w"); - if (!f) - return -1; - rc = fprintf(f, "%d", value); - fclose(f); - if (rc < 0) - return rc; - return 0; -} - -int main(int argc, char **argv) { - char *devpath, *firmware, *action, *driver; - char fw_path[PATH_SIZE]; - char data_path[PATH_SIZE]; - int fw_fd; - char *fw_buffer; - size_t fw_buffer_size; - size_t count; - int rc = 0; - - logging_init("firmware_helper"); - - driver = getenv("PHYSDEVDRIVER"); - if (!driver) - driver = "(unknown)"; - devpath = getenv("DEVPATH"); - firmware = getenv("FIRMWARE"); - action = getenv("ACTION"); - if (!devpath || !firmware || !action || strcmp(action,"add") != 0) { - err("missing devpath, action or firmware"); - exit(1); - } - - dbg("try to load firmware '%s' for '%s'", firmware, devpath); - set_loading(devpath, 1); - - snprintf(fw_path, sizeof(fw_path), "%s/%s", FIRMWARE_PATH, firmware); - fw_path[sizeof(fw_path)-1] = '\0'; - if (file_map(fw_path, &fw_buffer, &fw_buffer_size) != 0 || fw_buffer_size == 0) { - err("could not load firmware '%s' for '%s'", fw_path, devpath); - fw_buffer = NULL; - goto out_err; - } - - snprintf(data_path, sizeof(data_path), "/sys/%s/data", devpath); - data_path[sizeof(data_path)-1] = '\0'; - fw_fd = open(data_path, O_RDWR); - if (fw_fd < 0) { - rc = errno; - goto out_err; - } - - count = 0; - while (count < fw_buffer_size) { - ssize_t c; - - c = write(fw_fd, fw_buffer+count, fw_buffer_size-count); - if (c <= 0) { - rc = errno; - close(fw_fd); - goto out_err; - } - count += c; - } - - close(fw_fd); - file_unmap(fw_buffer, fw_buffer_size); - set_loading(devpath, 0); - info("loaded '%s' for device '%s'", fw_path, devpath); - logging_close(); - return 0; - -out_err: - if (fw_buffer) - file_unmap(fw_buffer, fw_buffer_size); - set_loading(devpath, -1); - - err("error loading '%s' for device '%s' with driver '%s'", fw_path, devpath, driver); - logging_close(); - return rc; -} |