20 static int rmtfs_mem_enumerate(struct rmtfs_mem *rmem);
53 static int rmtfs_mem_open_rfsa(struct rmtfs_mem *rmem, int client_id)  in rmtfs_mem_open_rfsa()  argument
71 	rmem->fd = fd;  in rmtfs_mem_open_rfsa()
95 	ret = parse_hex_sysattr(dev, "phys_addr", &rmem->address);  in rmtfs_mem_open_rfsa()
102 	ret = parse_hex_sysattr(dev, "size", &rmem->size);  in rmtfs_mem_open_rfsa()
123 static int rmtfs_mem_open_uio(struct rmtfs_mem *rmem, int client_id)  in rmtfs_mem_open_uio()  argument
141 	rmem->fd = fd;  in rmtfs_mem_open_uio()
165 	ret = parse_hex_sysattr(dev, "maps/map0/addr", &rmem->address);  in rmtfs_mem_open_uio()
172 	ret = parse_hex_sysattr(dev, "maps/map0/size", &rmem->size);  in rmtfs_mem_open_uio()
179 	rmem->base = mmap(0, rmem->size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);  in rmtfs_mem_open_uio()
180 	if (rmem->base == MAP_FAILED) {  in rmtfs_mem_open_uio()
204 static int rmtfs_mem_open_rfsa(struct rmtfs_mem *rmem, int client_id)  in rmtfs_mem_open_rfsa()  argument
215 	rmem->fd = open(path, O_RDWR);  in rmtfs_mem_open_rfsa()
216 	if (rmem->fd < 0) {  in rmtfs_mem_open_rfsa()
230 	rmem->address = strtoull(val, &endptr, 16);  in rmtfs_mem_open_rfsa()
231 	if ((rmem->address == ULLONG_MAX && errno == ERANGE) || endptr == val) {  in rmtfs_mem_open_rfsa()
245 	rmem->size = strtoull(val, &endptr, 16);  in rmtfs_mem_open_rfsa()
246 	if ((rmem->size == ULLONG_MAX && errno == ERANGE) || endptr == val) {  in rmtfs_mem_open_rfsa()
259 static int rmtfs_mem_open_uio(struct rmtfs_mem *rmem __unused, int client_id __unused)  in rmtfs_mem_open_uio()
269 	struct rmtfs_mem *rmem;  in rmtfs_mem_open()  local
274 	rmem = malloc(sizeof(*rmem));  in rmtfs_mem_open()
275 	if (!rmem)  in rmtfs_mem_open()
278 	memset(rmem, 0, sizeof(*rmem));  in rmtfs_mem_open()
280 	ret = rmtfs_mem_open_rfsa(rmem, 1);  in rmtfs_mem_open()
285 		ret = rmtfs_mem_open_uio(rmem, 1);  in rmtfs_mem_open()
291 			ret = rmtfs_mem_enumerate(rmem);  in rmtfs_mem_open()
301 			base = mmap(0, rmem->size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, rmem->address);  in rmtfs_mem_open()
307 			rmem->base = base;  in rmtfs_mem_open()
308 			rmem->fd = fd;  in rmtfs_mem_open()
312 	return rmem;  in rmtfs_mem_open()
317 	free(rmem);  in rmtfs_mem_open()
321 int64_t rmtfs_mem_alloc(struct rmtfs_mem *rmem, size_t alloc_size)  in rmtfs_mem_alloc()  argument
323 	if (alloc_size > rmem->size) {  in rmtfs_mem_alloc()
326 			alloc_size, rmem->size);  in rmtfs_mem_alloc()
330 	return rmem->address;  in rmtfs_mem_alloc()
333 void rmtfs_mem_free(struct rmtfs_mem *rmem __unused)  in rmtfs_mem_free()
337 static void *rmtfs_mem_ptr(struct rmtfs_mem *rmem, unsigned long phys_address, ssize_t len)  in rmtfs_mem_ptr()  argument
348 	if (start < rmem->address || end > rmem->address + rmem->size)  in rmtfs_mem_ptr()
351 	return (char*)rmem->base + phys_address - rmem->address;  in rmtfs_mem_ptr()
354 ssize_t rmtfs_mem_read(struct rmtfs_mem *rmem, unsigned long phys_address, void *buf, ssize_t len)  in rmtfs_mem_read()  argument
359 	if (rmem->base) {  in rmtfs_mem_read()
360 		ptr = rmtfs_mem_ptr(rmem, phys_address, len);  in rmtfs_mem_read()
366 		offset = phys_address - rmem->address;  in rmtfs_mem_read()
367 		len = pread(rmem->fd, buf, len, offset);  in rmtfs_mem_read()
373 ssize_t rmtfs_mem_write(struct rmtfs_mem *rmem, unsigned long phys_address, const void *buf, ssize_…  in rmtfs_mem_write()  argument
378 	if (rmem->base) {  in rmtfs_mem_write()
379 		ptr = rmtfs_mem_ptr(rmem, phys_address, len);  in rmtfs_mem_write()
385 		offset = phys_address - rmem->address;  in rmtfs_mem_write()
386 		len = pwrite(rmem->fd, buf, len, offset);  in rmtfs_mem_write()
392 void rmtfs_mem_close(struct rmtfs_mem *rmem)  in rmtfs_mem_close()  argument
394 	if (rmem->base)  in rmtfs_mem_close()
395 		munmap(rmem->base, rmem->size);  in rmtfs_mem_close()
397 	close(rmem->fd);  in rmtfs_mem_close()
399 	free(rmem);  in rmtfs_mem_close()
402 static int rmtfs_mem_enumerate(struct rmtfs_mem *rmem)  in rmtfs_mem_enumerate()  argument
448 			rmem->address = be32toh(reg.dw[0]);  in rmtfs_mem_enumerate()
449 			rmem->size = be32toh(reg.dw[1]);  in rmtfs_mem_enumerate()
451 			rmem->address = be64toh(reg.qw[0]);  in rmtfs_mem_enumerate()
452 			rmem->size = be64toh(reg.qw[1]);  in rmtfs_mem_enumerate()