Lines Matching refs:nvram_fd
87 static int nvram_fd = -1;
93 if (nvram_fd >= 0)
96 if ((nvram_fd = open(PATH_DEV_NVRAM, O_RDWR)) < 0)
100 if ((nvram_buf = mmap(NULL, NVRAM_SPACE, PROT_READ, MAP_SHARED, nvram_fd, 0)) == MAP_FAILED) {
101 close(nvram_fd);
102 nvram_fd = -1;
131 count = read(nvram_fd, off, count);
152 if (nvram_fd < 0)
162 ret = read(nvram_fd, buf, count);
194 ret = write(nvram_fd, buf, count);
235 ret = ioctl(nvram_fd, NVRAM_MAGIC, NULL);