1 files changed, 0 insertions, 580 deletions

diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
deleted file mode 100644
index 52fd38cd..00000000
--- a/lib/librte_eal/common/eal_common_pci.c
+++ /dev/null
@@ -1,580 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   Copyright 2013-2014 6WIND S.A.
- *   All rights reserved.
- *
- *   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.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string.h>
-#include <inttypes.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/queue.h>
-#include <sys/mman.h>
-
-#include <rte_errno.h>
-#include <rte_interrupts.h>
-#include <rte_log.h>
-#include <rte_bus.h>
-#include <rte_pci.h>
-#include <rte_per_lcore.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_eal.h>
-#include <rte_string_fns.h>
-#include <rte_common.h>
-#include <rte_devargs.h>
-
-#include "eal_private.h"
-
-extern struct rte_pci_bus rte_pci_bus;
-
-#define SYSFS_PCI_DEVICES "/sys/bus/pci/devices"
-
-const char *pci_get_sysfs_path(void)
-{
-	const char *path = NULL;
-
-	path = getenv("SYSFS_PCI_DEVICES");
-	if (path == NULL)
-		return SYSFS_PCI_DEVICES;
-
-	return path;
-}
-
-static struct rte_devargs *pci_devargs_lookup(struct rte_pci_device *dev)
-{
-	struct rte_devargs *devargs;
-	struct rte_pci_addr addr;
-	struct rte_bus *pbus;
-
-	pbus = rte_bus_find_by_name("pci");
-	TAILQ_FOREACH(devargs, &devargs_list, next) {
-		if (devargs->bus != pbus)
-			continue;
-		devargs->bus->parse(devargs->name, &addr);
-		if (!rte_eal_compare_pci_addr(&dev->addr, &addr))
-			return devargs;
-	}
-	return NULL;
-}
-
-void
-pci_name_set(struct rte_pci_device *dev)
-{
-	struct rte_devargs *devargs;
-
-	/* Each device has its internal, canonical name set. */
-	rte_pci_device_name(&dev->addr,
-			dev->name, sizeof(dev->name));
-	devargs = pci_devargs_lookup(dev);
-	dev->device.devargs = devargs;
-	/* In blacklist mode, if the device is not blacklisted, no
-	 * rte_devargs exists for it.
-	 */
-	if (devargs != NULL)
-		/* If an rte_devargs exists, the generic rte_device uses the
-		 * given name as its namea
-		 */
-		dev->device.name = dev->device.devargs->name;
-	else
-		/* Otherwise, it uses the internal, canonical form. */
-		dev->device.name = dev->name;
-}
-
-/* map a particular resource from a file */
-void *
-pci_map_resource(void *requested_addr, int fd, off_t offset, size_t size,
-		 int additional_flags)
-{
-	void *mapaddr;
-
-	/* Map the PCI memory resource of device */
-	mapaddr = mmap(requested_addr, size, PROT_READ | PROT_WRITE,
-			MAP_SHARED | additional_flags, fd, offset);
-	if (mapaddr == MAP_FAILED) {
-		RTE_LOG(ERR, EAL, "%s(): cannot mmap(%d, %p, 0x%lx, 0x%lx): %s (%p)\n",
-			__func__, fd, requested_addr,
-			(unsigned long)size, (unsigned long)offset,
-			strerror(errno), mapaddr);
-	} else
-		RTE_LOG(DEBUG, EAL, "  PCI memory mapped at %p\n", mapaddr);
-
-	return mapaddr;
-}
-
-/* unmap a particular resource */
-void
-pci_unmap_resource(void *requested_addr, size_t size)
-{
-	if (requested_addr == NULL)
-		return;
-
-	/* Unmap the PCI memory resource of device */
-	if (munmap(requested_addr, size)) {
-		RTE_LOG(ERR, EAL, "%s(): cannot munmap(%p, 0x%lx): %s\n",
-			__func__, requested_addr, (unsigned long)size,
-			strerror(errno));
-	} else
-		RTE_LOG(DEBUG, EAL, "  PCI memory unmapped at %p\n",
-				requested_addr);
-}
-
-/*
- * Match the PCI Driver and Device using the ID Table
- *
- * @param pci_drv
- *	PCI driver from which ID table would be extracted
- * @param pci_dev
- *	PCI device to match against the driver
- * @return
- *	1 for successful match
- *	0 for unsuccessful match
- */
-static int
-rte_pci_match(const struct rte_pci_driver *pci_drv,
-	      const struct rte_pci_device *pci_dev)
-{
-	const struct rte_pci_id *id_table;
-
-	for (id_table = pci_drv->id_table; id_table->vendor_id != 0;
-	     id_table++) {
-		/* check if device's identifiers match the driver's ones */
-		if (id_table->vendor_id != pci_dev->id.vendor_id &&
-				id_table->vendor_id != PCI_ANY_ID)
-			continue;
-		if (id_table->device_id != pci_dev->id.device_id &&
-				id_table->device_id != PCI_ANY_ID)
-			continue;
-		if (id_table->subsystem_vendor_id !=
-		    pci_dev->id.subsystem_vendor_id &&
-		    id_table->subsystem_vendor_id != PCI_ANY_ID)
-			continue;
-		if (id_table->subsystem_device_id !=
-		    pci_dev->id.subsystem_device_id &&
-		    id_table->subsystem_device_id != PCI_ANY_ID)
-			continue;
-		if (id_table->class_id != pci_dev->id.class_id &&
-				id_table->class_id != RTE_CLASS_ANY_ID)
-			continue;
-
-		return 1;
-	}
-
-	return 0;
-}
-
-/*
- * If vendor/device ID match, call the probe() function of the
- * driver.
- */
-static int
-rte_pci_probe_one_driver(struct rte_pci_driver *dr,
-			 struct rte_pci_device *dev)
-{
-	int ret;
-	struct rte_pci_addr *loc;
-
-	if ((dr == NULL) || (dev == NULL))
-		return -EINVAL;
-
-	loc = &dev->addr;
-
-	/* The device is not blacklisted; Check if driver supports it */
-	if (!rte_pci_match(dr, dev))
-		/* Match of device and driver failed */
-		return 1;
-
-	RTE_LOG(INFO, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
-			loc->domain, loc->bus, loc->devid, loc->function,
-			dev->device.numa_node);
-
-	/* no initialization when blacklisted, return without error */
-	if (dev->device.devargs != NULL &&
-		dev->device.devargs->policy ==
-			RTE_DEV_BLACKLISTED) {
-		RTE_LOG(INFO, EAL, "  Device is blacklisted, not"
-			" initializing\n");
-		return 1;
-	}
-
-	if (dev->device.numa_node < 0) {
-		RTE_LOG(WARNING, EAL, "  Invalid NUMA socket, default to 0\n");
-		dev->device.numa_node = 0;
-	}
-
-	RTE_LOG(INFO, EAL, "  probe driver: %x:%x %s\n", dev->id.vendor_id,
-		dev->id.device_id, dr->driver.name);
-
-	if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) {
-		/* map resources for devices that use igb_uio */
-		ret = rte_pci_map_device(dev);
-		if (ret != 0)
-			return ret;
-	}
-
-	/* reference driver structure */
-	dev->driver = dr;
-	dev->device.driver = &dr->driver;
-
-	/* call the driver probe() function */
-	ret = dr->probe(dr, dev);
-	if (ret) {
-		dev->driver = NULL;
-		dev->device.driver = NULL;
-		if ((dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING) &&
-			/* Don't unmap if device is unsupported and
-			 * driver needs mapped resources.
-			 */
-			!(ret > 0 &&
-				(dr->drv_flags & RTE_PCI_DRV_KEEP_MAPPED_RES)))
-			rte_pci_unmap_device(dev);
-	}
-
-	return ret;
-}
-
-/*
- * If vendor/device ID match, call the remove() function of the
- * driver.
- */
-static int
-rte_pci_detach_dev(struct rte_pci_device *dev)
-{
-	struct rte_pci_addr *loc;
-	struct rte_pci_driver *dr;
-
-	if (dev == NULL)
-		return -EINVAL;
-
-	dr = dev->driver;
-	loc = &dev->addr;
-
-	RTE_LOG(DEBUG, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
-			loc->domain, loc->bus, loc->devid,
-			loc->function, dev->device.numa_node);
-
-	RTE_LOG(DEBUG, EAL, "  remove driver: %x:%x %s\n", dev->id.vendor_id,
-			dev->id.device_id, dr->driver.name);
-
-	if (dr->remove && (dr->remove(dev) < 0))
-		return -1;	/* negative value is an error */
-
-	/* clear driver structure */
-	dev->driver = NULL;
-
-	if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING)
-		/* unmap resources for devices that use igb_uio */
-		rte_pci_unmap_device(dev);
-
-	return 0;
-}
-
-/*
- * If vendor/device ID match, call the probe() function of all
- * registered driver for the given device. Return -1 if initialization
- * failed, return 1 if no driver is found for this device.
- */
-static int
-pci_probe_all_drivers(struct rte_pci_device *dev)
-{
-	struct rte_pci_driver *dr = NULL;
-	int rc = 0;
-
-	if (dev == NULL)
-		return -1;
-
-	/* Check if a driver is already loaded */
-	if (dev->driver != NULL)
-		return 0;
-
-	FOREACH_DRIVER_ON_PCIBUS(dr) {
-		rc = rte_pci_probe_one_driver(dr, dev);
-		if (rc < 0)
-			/* negative value is an error */
-			return -1;
-		if (rc > 0)
-			/* positive value means driver doesn't support it */
-			continue;
-		return 0;
-	}
-	return 1;
-}
-
-/*
- * Find the pci device specified by pci address, then invoke probe function of
- * the driver of the device.
- */
-int
-rte_pci_probe_one(const struct rte_pci_addr *addr)
-{
-	struct rte_pci_device *dev = NULL;
-
-	int ret = 0;
-
-	if (addr == NULL)
-		return -1;
-
-	/* update current pci device in global list, kernel bindings might have
-	 * changed since last time we looked at it.
-	 */
-	if (pci_update_device(addr) < 0)
-		goto err_return;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (rte_eal_compare_pci_addr(&dev->addr, addr))
-			continue;
-
-		ret = pci_probe_all_drivers(dev);
-		if (ret)
-			goto err_return;
-		return 0;
-	}
-	return -1;
-
-err_return:
-	RTE_LOG(WARNING, EAL,
-		"Requested device " PCI_PRI_FMT " cannot be used\n",
-		addr->domain, addr->bus, addr->devid, addr->function);
-	return -1;
-}
-
-/*
- * Detach device specified by its pci address.
- */
-int
-rte_pci_detach(const struct rte_pci_addr *addr)
-{
-	struct rte_pci_device *dev = NULL;
-	int ret = 0;
-
-	if (addr == NULL)
-		return -1;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (rte_eal_compare_pci_addr(&dev->addr, addr))
-			continue;
-
-		ret = rte_pci_detach_dev(dev);
-		if (ret < 0)
-			/* negative value is an error */
-			goto err_return;
-		if (ret > 0)
-			/* positive value means driver doesn't support it */
-			continue;
-
-		rte_pci_remove_device(dev);
-		free(dev);
-		return 0;
-	}
-	return -1;
-
-err_return:
-	RTE_LOG(WARNING, EAL, "Requested device " PCI_PRI_FMT
-			" cannot be used\n", dev->addr.domain, dev->addr.bus,
-			dev->addr.devid, dev->addr.function);
-	return -1;
-}
-
-/*
- * Scan the content of the PCI bus, and call the probe() function for
- * all registered drivers that have a matching entry in its id_table
- * for discovered devices.
- */
-int
-rte_pci_probe(void)
-{
-	struct rte_pci_device *dev = NULL;
-	size_t probed = 0, failed = 0;
-	struct rte_devargs *devargs;
-	int probe_all = 0;
-	int ret = 0;
-
-	if (rte_pci_bus.bus.conf.scan_mode != RTE_BUS_SCAN_WHITELIST)
-		probe_all = 1;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		probed++;
-
-		devargs = dev->device.devargs;
-		/* probe all or only whitelisted devices */
-		if (probe_all)
-			ret = pci_probe_all_drivers(dev);
-		else if (devargs != NULL &&
-			devargs->policy == RTE_DEV_WHITELISTED)
-			ret = pci_probe_all_drivers(dev);
-		if (ret < 0) {
-			RTE_LOG(ERR, EAL, "Requested device " PCI_PRI_FMT
-				 " cannot be used\n", dev->addr.domain, dev->addr.bus,
-				 dev->addr.devid, dev->addr.function);
-			rte_errno = errno;
-			failed++;
-			ret = 0;
-		}
-	}
-
-	return (probed && probed == failed) ? -1 : 0;
-}
-
-/* dump one device */
-static int
-pci_dump_one_device(FILE *f, struct rte_pci_device *dev)
-{
-	int i;
-
-	fprintf(f, PCI_PRI_FMT, dev->addr.domain, dev->addr.bus,
-	       dev->addr.devid, dev->addr.function);
-	fprintf(f, " - vendor:%x device:%x\n", dev->id.vendor_id,
-	       dev->id.device_id);
-
-	for (i = 0; i != sizeof(dev->mem_resource) /
-		sizeof(dev->mem_resource[0]); i++) {
-		fprintf(f, "   %16.16"PRIx64" %16.16"PRIx64"\n",
-			dev->mem_resource[i].phys_addr,
-			dev->mem_resource[i].len);
-	}
-	return 0;
-}
-
-/* dump devices on the bus */
-void
-rte_pci_dump(FILE *f)
-{
-	struct rte_pci_device *dev = NULL;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		pci_dump_one_device(f, dev);
-	}
-}
-
-static int
-pci_parse(const char *name, void *addr)
-{
-	struct rte_pci_addr *out = addr;
-	struct rte_pci_addr pci_addr;
-	bool parse;
-
-	parse = (eal_parse_pci_BDF(name, &pci_addr) == 0 ||
-		 eal_parse_pci_DomBDF(name, &pci_addr) == 0);
-	if (parse && addr != NULL)
-		*out = pci_addr;
-	return parse == false;
-}
-
-/* register a driver */
-void
-rte_pci_register(struct rte_pci_driver *driver)
-{
-	TAILQ_INSERT_TAIL(&rte_pci_bus.driver_list, driver, next);
-	driver->bus = &rte_pci_bus;
-}
-
-/* unregister a driver */
-void
-rte_pci_unregister(struct rte_pci_driver *driver)
-{
-	TAILQ_REMOVE(&rte_pci_bus.driver_list, driver, next);
-	driver->bus = NULL;
-}
-
-/* Add a device to PCI bus */
-void
-rte_pci_add_device(struct rte_pci_device *pci_dev)
-{
-	TAILQ_INSERT_TAIL(&rte_pci_bus.device_list, pci_dev, next);
-}
-
-/* Insert a device into a predefined position in PCI bus */
-void
-rte_pci_insert_device(struct rte_pci_device *exist_pci_dev,
-		      struct rte_pci_device *new_pci_dev)
-{
-	TAILQ_INSERT_BEFORE(exist_pci_dev, new_pci_dev, next);
-}
-
-/* Remove a device from PCI bus */
-void
-rte_pci_remove_device(struct rte_pci_device *pci_dev)
-{
-	TAILQ_REMOVE(&rte_pci_bus.device_list, pci_dev, next);
-}
-
-static struct rte_device *
-pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
-		const void *data)
-{
-	struct rte_pci_device *dev;
-
-	FOREACH_DEVICE_ON_PCIBUS(dev) {
-		if (start && &dev->device == start) {
-			start = NULL; /* starting point found */
-			continue;
-		}
-		if (cmp(&dev->device, data) == 0)
-			return &dev->device;
-	}
-
-	return NULL;
-}
-
-static int
-pci_plug(struct rte_device *dev)
-{
-	return pci_probe_all_drivers(RTE_DEV_TO_PCI(dev));
-}
-
-static int
-pci_unplug(struct rte_device *dev)
-{
-	struct rte_pci_device *pdev;
-	int ret;
-
-	pdev = RTE_DEV_TO_PCI(dev);
-	ret = rte_pci_detach_dev(pdev);
-	rte_pci_remove_device(pdev);
-	free(pdev);
-	return ret;
-}
-
-struct rte_pci_bus rte_pci_bus = {
-	.bus = {
-		.scan = rte_pci_scan,
-		.probe = rte_pci_probe,
-		.find_device = pci_find_device,
-		.plug = pci_plug,
-		.unplug = pci_unplug,
-		.parse = pci_parse,
-	},
-	.device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list),
-	.driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list),
-};
-
-RTE_REGISTER_BUS(pci, rte_pci_bus.bus);