1 files changed, 0 insertions, 575 deletions

diff --git a/src/init.c b/src/init.c
deleted file mode 100644
index dbdd795..0000000
--- a/src/init.c
+++ /dev/null
@@ -1,575 +0,0 @@
-/*
- * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
- * Copyright (c) 2006 Cisco Systems, Inc.  All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#if HAVE_CONFIG_H
-#  include <config.h>
-#endif /* HAVE_CONFIG_H */
-
-#include <stdlib.h>
-#include <string.h>
-#include <glob.h>
-#include <stdio.h>
-#include <dlfcn.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <dirent.h>
-#include <errno.h>
-
-#include "ibverbs.h"
-
-HIDDEN int abi_ver;
-
-struct ibv_sysfs_dev {
-	char		        sysfs_name[IBV_SYSFS_NAME_MAX];
-	char		        ibdev_name[IBV_SYSFS_NAME_MAX];
-	char		        sysfs_path[IBV_SYSFS_PATH_MAX];
-	char		        ibdev_path[IBV_SYSFS_PATH_MAX];
-	struct ibv_sysfs_dev   *next;
-	int			abi_ver;
-	int			have_driver;
-};
-
-struct ibv_driver_name {
-	char		       *name;
-	struct ibv_driver_name *next;
-};
-
-struct ibv_driver {
-	const char	       *name;
-	ibv_driver_init_func	init_func;
-	verbs_driver_init_func	verbs_init_func;
-	struct ibv_driver      *next;
-};
-
-static struct ibv_sysfs_dev *sysfs_dev_list;
-static struct ibv_driver_name *driver_name_list;
-static struct ibv_driver *head_driver, *tail_driver;
-
-static int find_sysfs_devs(void)
-{
-	char class_path[IBV_SYSFS_PATH_MAX];
-	DIR *class_dir;
-	struct dirent *dent;
-	struct ibv_sysfs_dev *sysfs_dev = NULL;
-	char value[8];
-	int ret = 0;
-
-	snprintf(class_path, sizeof class_path, "%s/class/infiniband_verbs",
-		 ibv_get_sysfs_path());
-
-	class_dir = opendir(class_path);
-	if (!class_dir)
-		return ENOSYS;
-
-	while ((dent = readdir(class_dir))) {
-		struct stat buf;
-
-		if (dent->d_name[0] == '.')
-			continue;
-
-		if (!sysfs_dev)
-			sysfs_dev = malloc(sizeof *sysfs_dev);
-		if (!sysfs_dev) {
-			ret = ENOMEM;
-			goto out;
-		}
-
-		snprintf(sysfs_dev->sysfs_path, sizeof sysfs_dev->sysfs_path,
-			 "%s/%s", class_path, dent->d_name);
-
-		if (stat(sysfs_dev->sysfs_path, &buf)) {
-			fprintf(stderr, PFX "Warning: couldn't stat '%s'.\n",
-				sysfs_dev->sysfs_path);
-			continue;
-		}
-
-		if (!S_ISDIR(buf.st_mode))
-			continue;
-
-		snprintf(sysfs_dev->sysfs_name, sizeof sysfs_dev->sysfs_name,
-			"%s", dent->d_name);
-
-		if (ibv_read_sysfs_file(sysfs_dev->sysfs_path, "ibdev",
-					sysfs_dev->ibdev_name,
-					sizeof sysfs_dev->ibdev_name) < 0) {
-			fprintf(stderr, PFX "Warning: no ibdev class attr for '%s'.\n",
-				dent->d_name);
-			continue;
-		}
-
-		snprintf(sysfs_dev->ibdev_path, sizeof sysfs_dev->ibdev_path,
-			 "%s/class/infiniband/%s", ibv_get_sysfs_path(),
-			 sysfs_dev->ibdev_name);
-
-		sysfs_dev->next        = sysfs_dev_list;
-		sysfs_dev->have_driver = 0;
-		if (ibv_read_sysfs_file(sysfs_dev->sysfs_path, "abi_version",
-					value, sizeof value) > 0)
-			sysfs_dev->abi_ver = strtol(value, NULL, 10);
-		else
-			sysfs_dev->abi_ver = 0;
-
-		sysfs_dev_list = sysfs_dev;
-		sysfs_dev      = NULL;
-	}
-
- out:
-	if (sysfs_dev)
-		free(sysfs_dev);
-
-	closedir(class_dir);
-	return ret;
-}
-
-static void register_driver(const char *name, ibv_driver_init_func init_func,
-			    verbs_driver_init_func verbs_init_func)
-{
-	struct ibv_driver *driver;
-
-	driver = malloc(sizeof *driver);
-	if (!driver) {
-		fprintf(stderr, PFX "Warning: couldn't allocate driver for %s\n", name);
-		return;
-	}
-
-	driver->name            = name;
-	driver->init_func	= init_func;
-	driver->verbs_init_func = verbs_init_func;
-	driver->next            = NULL;
-
-	if (tail_driver)
-		tail_driver->next = driver;
-	else
-		head_driver = driver;
-	tail_driver = driver;
-}
-
-void ibv_register_driver(const char *name, ibv_driver_init_func init_func)
-{
-	register_driver(name, init_func, NULL);
-}
-
-/* New registration symbol with same functionality - used by providers to
-  * validate that library supports verbs extension.
-  */
-void verbs_register_driver(const char *name, verbs_driver_init_func init_func)
-{
-	register_driver(name, NULL, init_func);
-}
-
-static void load_driver(const char *name)
-{
-	char *so_name;
-	void *dlhandle;
-
-#define __IBV_QUOTE(x)	#x
-#define IBV_QUOTE(x)	__IBV_QUOTE(x)
-
-	if (asprintf(&so_name,
-		     name[0] == '/' ?
-		     "%s-" IBV_QUOTE(IBV_DEVICE_LIBRARY_EXTENSION) ".so" :
-		     "lib%s-" IBV_QUOTE(IBV_DEVICE_LIBRARY_EXTENSION) ".so",
-		     name) < 0) {
-		fprintf(stderr, PFX "Warning: couldn't load driver '%s'.\n",
-			name);
-		return;
-	}
-
-	dlhandle = dlopen(so_name, RTLD_NOW);
-	if (!dlhandle) {
-		fprintf(stderr, PFX "Warning: couldn't load driver '%s': %s\n",
-			name, dlerror());
-		goto out;
-	}
-
-out:
-	free(so_name);
-}
-
-static void load_drivers(void)
-{
-	struct ibv_driver_name *name, *next_name;
-	const char *env;
-	char *list, *env_name;
-
-	/*
-	 * Only use drivers passed in through the calling user's
-	 * environment if we're not running setuid.
-	 */
-	if (getuid() == geteuid()) {
-		if ((env = getenv("RDMAV_DRIVERS"))) {
-			list = strdupa(env);
-			while ((env_name = strsep(&list, ":;")))
-				load_driver(env_name);
-		} else if ((env = getenv("IBV_DRIVERS"))) {
-			list = strdupa(env);
-			while ((env_name = strsep(&list, ":;")))
-				load_driver(env_name);
-		}
-	}
-
-	for (name = driver_name_list, next_name = name ? name->next : NULL;
-	     name;
-	     name = next_name, next_name = name ? name->next : NULL) {
-		load_driver(name->name);
-		free(name->name);
-		free(name);
-	}
-}
-
-static void read_config_file(const char *path)
-{
-	FILE *conf;
-	char *line = NULL;
-	char *config;
-	char *field;
-	size_t buflen = 0;
-	ssize_t len;
-
-	conf = fopen(path, "r" STREAM_CLOEXEC);
-	if (!conf) {
-		fprintf(stderr, PFX "Warning: couldn't read config file %s.\n",
-			path);
-		return;
-	}
-
-	while ((len = getline(&line, &buflen, conf)) != -1) {
-		config = line + strspn(line, "\t ");
-		if (config[0] == '\n' || config[0] == '#')
-			continue;
-
-		field = strsep(&config, "\n\t ");
-
-		if (strcmp(field, "driver") == 0 && config != NULL) {
-			struct ibv_driver_name *driver_name;
-
-			config += strspn(config, "\t ");
-			field = strsep(&config, "\n\t ");
-
-			driver_name = malloc(sizeof *driver_name);
-			if (!driver_name) {
-				fprintf(stderr, PFX "Warning: couldn't allocate "
-					"driver name '%s'.\n", field);
-				continue;
-			}
-
-			driver_name->name = strdup(field);
-			if (!driver_name->name) {
-				fprintf(stderr, PFX "Warning: couldn't allocate "
-					"driver name '%s'.\n", field);
-				free(driver_name);
-				continue;
-			}
-
-			driver_name->next = driver_name_list;
-			driver_name_list  = driver_name;
-		} else
-			fprintf(stderr, PFX "Warning: ignoring bad config directive "
-				"'%s' in file '%s'.\n", field, path);
-	}
-
-	if (line)
-		free(line);
-	fclose(conf);
-}
-
-static void read_config(void)
-{
-	DIR *conf_dir;
-	struct dirent *dent;
-	char *path;
-
-	conf_dir = opendir(IBV_CONFIG_DIR);
-	if (!conf_dir) {
-		fprintf(stderr, PFX "Warning: couldn't open config directory '%s'.\n",
-			IBV_CONFIG_DIR);
-		return;
-	}
-
-	while ((dent = readdir(conf_dir))) {
-		struct stat buf;
-
-		if (asprintf(&path, "%s/%s", IBV_CONFIG_DIR, dent->d_name) < 0) {
-			fprintf(stderr, PFX "Warning: couldn't read config file %s/%s.\n",
-				IBV_CONFIG_DIR, dent->d_name);
-			goto out;
-		}
-
-		if (stat(path, &buf)) {
-			fprintf(stderr, PFX "Warning: couldn't stat config file '%s'.\n",
-				path);
-			goto next;
-		}
-
-		if (!S_ISREG(buf.st_mode))
-			goto next;
-
-		read_config_file(path);
-next:
-		free(path);
-	}
-
-out:
-	closedir(conf_dir);
-}
-
-static struct ibv_device *try_driver(struct ibv_driver *driver,
-				     struct ibv_sysfs_dev *sysfs_dev)
-{
-	struct verbs_device *vdev;
-	struct ibv_device *dev;
-	char value[8];
-
-	if (driver->init_func) {
-		dev = driver->init_func(sysfs_dev->sysfs_path, sysfs_dev->abi_ver);
-		if (!dev)
-			return NULL;
-	} else {
-		vdev = driver->verbs_init_func(sysfs_dev->sysfs_path, sysfs_dev->abi_ver);
-		if (!vdev)
-			return NULL;
-
-		dev = &vdev->device;
-		dev->ops.alloc_context = NULL;
-		dev->ops.free_context = NULL;
-	}
-
-	if (ibv_read_sysfs_file(sysfs_dev->ibdev_path, "node_type", value, sizeof value) < 0) {
-		fprintf(stderr, PFX "Warning: no node_type attr under %s.\n",
-			sysfs_dev->ibdev_path);
-			dev->node_type = IBV_NODE_UNKNOWN;
-	} else {
-		dev->node_type = strtol(value, NULL, 10);
-		if (dev->node_type < IBV_NODE_CA || dev->node_type > IBV_NODE_USNIC_UDP)
-			dev->node_type = IBV_NODE_UNKNOWN;
-	}
-
-	switch (dev->node_type) {
-	case IBV_NODE_CA:
-	case IBV_NODE_SWITCH:
-	case IBV_NODE_ROUTER:
-		dev->transport_type = IBV_TRANSPORT_IB;
-		break;
-	case IBV_NODE_RNIC:
-		dev->transport_type = IBV_TRANSPORT_IWARP;
-		break;
-	case IBV_NODE_USNIC:
-		dev->transport_type = IBV_TRANSPORT_USNIC;
-		break;
-	case IBV_NODE_USNIC_UDP:
-		dev->transport_type = IBV_TRANSPORT_USNIC_UDP;
-		break;
-	default:
-		dev->transport_type = IBV_TRANSPORT_UNKNOWN;
-		break;
-	}
-
-	strcpy(dev->dev_name,   sysfs_dev->sysfs_name);
-	strcpy(dev->dev_path,   sysfs_dev->sysfs_path);
-	strcpy(dev->name,       sysfs_dev->ibdev_name);
-	strcpy(dev->ibdev_path, sysfs_dev->ibdev_path);
-
-	return dev;
-}
-
-static struct ibv_device *try_drivers(struct ibv_sysfs_dev *sysfs_dev)
-{
-	struct ibv_driver *driver;
-	struct ibv_device *dev;
-
-	for (driver = head_driver; driver; driver = driver->next) {
-		dev = try_driver(driver, sysfs_dev);
-		if (dev)
-			return dev;
-	}
-
-	return NULL;
-}
-
-static int check_abi_version(const char *path)
-{
-	char value[8];
-
-	if (ibv_read_sysfs_file(path, "class/infiniband_verbs/abi_version",
-				value, sizeof value) < 0) {
-		return ENOSYS;
-	}
-
-	abi_ver = strtol(value, NULL, 10);
-
-	if (abi_ver < IB_USER_VERBS_MIN_ABI_VERSION ||
-	    abi_ver > IB_USER_VERBS_MAX_ABI_VERSION) {
-		fprintf(stderr, PFX "Fatal: kernel ABI version %d "
-			"doesn't match library version %d.\n",
-			abi_ver, IB_USER_VERBS_MAX_ABI_VERSION);
-		return ENOSYS;
-	}
-
-	return 0;
-}
-
-static void check_memlock_limit(void)
-{
-	struct rlimit rlim;
-
-	if (!geteuid())
-		return;
-
-	if (getrlimit(RLIMIT_MEMLOCK, &rlim)) {
-		fprintf(stderr, PFX "Warning: getrlimit(RLIMIT_MEMLOCK) failed.");
-		return;
-	}
-
-	if (rlim.rlim_cur <= 32768)
-		fprintf(stderr, PFX "Warning: RLIMIT_MEMLOCK is %lu bytes.\n"
-			"    This will severely limit memory registrations.\n",
-			rlim.rlim_cur);
-}
-
-static void add_device(struct ibv_device *dev,
-		       struct ibv_device ***dev_list,
-		       int *num_devices,
-		       int *list_size)
-{
-	struct ibv_device **new_list;
-
-	if (*list_size <= *num_devices) {
-		*list_size = *list_size ? *list_size * 2 : 1;
-		new_list = realloc(*dev_list, *list_size * sizeof (struct ibv_device *));
-		if (!new_list)
-			return;
-		*dev_list = new_list;
-	}
-
-	(*dev_list)[(*num_devices)++] = dev;
-}
-
-HIDDEN int ibverbs_init(struct ibv_device ***list)
-{
-	const char *sysfs_path;
-	struct ibv_sysfs_dev *sysfs_dev, *next_dev;
-	struct ibv_device *device;
-	int num_devices = 0;
-	int list_size = 0;
-	int statically_linked = 0;
-	int no_driver = 0;
-	int ret;
-
-	*list = NULL;
-
-	if (getenv("RDMAV_FORK_SAFE") || getenv("IBV_FORK_SAFE"))
-		if (ibv_fork_init())
-			fprintf(stderr, PFX "Warning: fork()-safety requested "
-				"but init failed\n");
-
-	sysfs_path = ibv_get_sysfs_path();
-	if (!sysfs_path)
-		return -ENOSYS;
-
-	ret = check_abi_version(sysfs_path);
-	if (ret)
-		return -ret;
-
-	check_memlock_limit();
-
-	read_config();
-
-	ret = find_sysfs_devs();
-	if (ret)
-		return -ret;
-
-	for (sysfs_dev = sysfs_dev_list; sysfs_dev; sysfs_dev = sysfs_dev->next) {
-		device = try_drivers(sysfs_dev);
-		if (device) {
-			add_device(device, list, &num_devices, &list_size);
-			sysfs_dev->have_driver = 1;
-		} else
-			no_driver = 1;
-	}
-
-	if (!no_driver)
-		goto out;
-
-	/*
-	 * Check if we can dlopen() ourselves.  If this fails,
-	 * libibverbs is probably statically linked into the
-	 * executable, and we should just give up, since trying to
-	 * dlopen() a driver module will fail spectacularly (loading a
-	 * driver .so will bring in dynamic copies of libibverbs and
-	 * libdl to go along with the static copies the executable
-	 * has, which quickly leads to a crash.
-	 */
-	{
-		void *hand = dlopen(NULL, RTLD_NOW);
-		if (!hand) {
-			fprintf(stderr, PFX "Warning: dlopen(NULL) failed, "
-				"assuming static linking.\n");
-			statically_linked = 1;
-			goto out;
-		}
-		dlclose(hand);
-	}
-
-	load_drivers();
-
-	for (sysfs_dev = sysfs_dev_list; sysfs_dev; sysfs_dev = sysfs_dev->next) {
-		if (sysfs_dev->have_driver)
-			continue;
-
-		device = try_drivers(sysfs_dev);
-		if (device) {
-			add_device(device, list, &num_devices, &list_size);
-			sysfs_dev->have_driver = 1;
-		}
-	}
-
-out:
-	for (sysfs_dev = sysfs_dev_list,
-		     next_dev = sysfs_dev ? sysfs_dev->next : NULL;
-	     sysfs_dev;
-	     sysfs_dev = next_dev, next_dev = sysfs_dev ? sysfs_dev->next : NULL) {
-		if (!sysfs_dev->have_driver && getenv("IBV_SHOW_WARNINGS")) {
-			fprintf(stderr, PFX "Warning: no userspace device-specific "
-				"driver found for %s\n", sysfs_dev->sysfs_path);
-			if (statically_linked)
-				fprintf(stderr, "	When linking libibverbs statically, "
-					"driver must be statically linked too.\n");
-		}
-		free(sysfs_dev);
-	}
-
-	return num_devices;
-}