1301537Sadrian/*- 2301537Sadrian * Copyright (c) 2013 Adrian Chadd <adrian@freebsd.org> 3301537Sadrian * All rights reserved. 4301537Sadrian * 5301537Sadrian * Redistribution and use in source and binary forms, with or without 6301537Sadrian * modification, are permitted provided that the following conditions 7301537Sadrian * are met: 8301537Sadrian * 1. Redistributions of source code must retain the above copyright 9301537Sadrian * notice, this list of conditions and the following disclaimer, 10301537Sadrian * without modification. 11301537Sadrian * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12301537Sadrian * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13301537Sadrian * redistribution must be conditioned upon including a substantially 14301537Sadrian * similar Disclaimer requirement for further binary redistribution. 15301537Sadrian * 16301537Sadrian * NO WARRANTY 17301537Sadrian * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18301537Sadrian * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19301537Sadrian * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20301537Sadrian * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21301537Sadrian * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22301537Sadrian * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23301537Sadrian * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24301537Sadrian * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25301537Sadrian * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26301537Sadrian * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27301537Sadrian * THE POSSIBILITY OF SUCH DAMAGES. 28301537Sadrian * 29301537Sadrian * $FreeBSD$ 30301537Sadrian */ 31301537Sadrian 32301537Sadrian#include <stdio.h> 33301537Sadrian#include <stdlib.h> 34301537Sadrian#include <unistd.h> 35301537Sadrian#include <errno.h> 36301537Sadrian#include <string.h> 37301537Sadrian#include <err.h> 38301537Sadrian#include <fcntl.h> 39301537Sadrian#include <sys/types.h> 40301537Sadrian#include <sys/stat.h> 41301537Sadrian 42301537Sadrian#include "ath3k_fw.h" 43301537Sadrian#include "ath3k_dbg.h" 44301537Sadrian 45301537Sadrianint 46301537Sadrianath3k_fw_read(struct ath3k_firmware *fw, const char *fwname) 47301537Sadrian{ 48301537Sadrian int fd; 49301537Sadrian struct stat sb; 50301537Sadrian unsigned char *buf; 51301537Sadrian ssize_t r; 52301537Sadrian int i; 53301537Sadrian 54301537Sadrian fd = open(fwname, O_RDONLY); 55301537Sadrian if (fd < 0) { 56301537Sadrian warn("%s: open: %s", __func__, fwname); 57301537Sadrian return (0); 58301537Sadrian } 59301537Sadrian 60301537Sadrian if (fstat(fd, &sb) != 0) { 61301537Sadrian warn("%s: stat: %s", __func__, fwname); 62301537Sadrian close(fd); 63301537Sadrian return (0); 64301537Sadrian } 65301537Sadrian 66301537Sadrian buf = calloc(1, sb.st_size); 67301537Sadrian if (buf == NULL) { 68301537Sadrian warn("%s: calloc", __func__); 69301537Sadrian close(fd); 70301537Sadrian return (0); 71301537Sadrian } 72301537Sadrian 73301537Sadrian i = 0; 74301537Sadrian /* XXX handle partial reads */ 75301537Sadrian r = read(fd, buf, sb.st_size); 76301537Sadrian if (r < 0) { 77301537Sadrian warn("%s: read", __func__); 78301537Sadrian free(buf); 79301537Sadrian close(fd); 80301537Sadrian return (0); 81301537Sadrian } 82301537Sadrian 83301537Sadrian if (r != sb.st_size) { 84301537Sadrian fprintf(stderr, "%s: read len %d != file size %d\n", 85301537Sadrian __func__, 86301537Sadrian (int) r, 87301537Sadrian (int) sb.st_size); 88301537Sadrian free(buf); 89301537Sadrian close(fd); 90301537Sadrian return (0); 91301537Sadrian } 92301537Sadrian 93301537Sadrian /* We have everything, so! */ 94301537Sadrian 95301537Sadrian bzero(fw, sizeof(*fw)); 96301537Sadrian 97301537Sadrian fw->fwname = strdup(fwname); 98301537Sadrian fw->len = sb.st_size; 99301537Sadrian fw->size = sb.st_size; 100301537Sadrian fw->buf = buf; 101301537Sadrian 102301537Sadrian close(fd); 103301537Sadrian return (1); 104301537Sadrian} 105301537Sadrian 106301537Sadrianvoid 107301537Sadrianath3k_fw_free(struct ath3k_firmware *fw) 108301537Sadrian{ 109301537Sadrian if (fw->fwname) 110301537Sadrian free(fw->fwname); 111301537Sadrian if (fw->buf) 112301537Sadrian free(fw->buf); 113301537Sadrian bzero(fw, sizeof(*fw)); 114301537Sadrian} 115