/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * 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
+ *
+ * * 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
+ * * 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
+ * * 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
+ *
+ * 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.
+ */
+/* BSD LICENSE
+ *
+ * Copyright 2013-2014 6WIND S.A.
+ *
+ * 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 6WIND S.A. 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 <rte_memzone.h>
#include <rte_tailq.h>
#include <rte_eal.h>
+#include <rte_string_fns.h>
+#include <rte_common.h>
+#include <rte_devargs.h>
#include "eal_private.h"
-struct pci_driver_list driver_list;
-struct pci_device_list device_list;
-
-static struct rte_pci_addr *dev_blacklist = NULL;
-static unsigned dev_blacklist_size = 0;
+struct pci_driver_list pci_driver_list;
+struct pci_device_list pci_device_list;
-static int is_blacklisted(struct rte_pci_device *dev)
+static struct rte_devargs *pci_devargs_lookup(struct rte_pci_device *dev)
{
- struct rte_pci_addr *loc = &dev->addr;
- unsigned i;
-
- for (i = 0; i < dev_blacklist_size; i++) {
- if ((loc->domain == dev_blacklist[i].domain) &&
- (loc->bus == dev_blacklist[i].bus) &&
- (loc->devid == dev_blacklist[i].devid) &&
- (loc->function == dev_blacklist[i].function)) {
- return 1;
- }
+ struct rte_devargs *devargs;
+
+ TAILQ_FOREACH(devargs, &devargs_list, next) {
+ if (devargs->type != RTE_DEVTYPE_BLACKLISTED_PCI &&
+ devargs->type != RTE_DEVTYPE_WHITELISTED_PCI)
+ continue;
+ if (!memcmp(&dev->addr, &devargs->pci.addr, sizeof(dev->addr)))
+ return devargs;
}
-
- return 0; /* not in blacklist */
+ return NULL;
}
/*
* If vendor/device ID match, call the devinit() function of all
- * registered driver for the given device. Return -1 if no driver is
- * found for this device.
+ * registered driver for the given device. Return -1 if initialization
+ * failed, return 1 if no driver is found for this device.
+ * For drivers with the RTE_PCI_DRV_MULTIPLE flag enabled, register
+ * the same device multiple times until failure to do so.
+ * It is required for non-Intel NIC drivers provided by third-parties such
+ * as 6WIND.
*/
static int
pci_probe_all_drivers(struct rte_pci_device *dev)
{
struct rte_pci_driver *dr = NULL;
-
- dev->blacklisted = !!is_blacklisted(dev);
- TAILQ_FOREACH(dr, &driver_list, next) {
- if (rte_eal_pci_probe_one_driver(dr, dev) == 0)
- return 0;
+ int rc;
+
+ TAILQ_FOREACH(dr, &pci_driver_list, next) {
+ rc = rte_eal_pci_probe_one_driver(dr, dev);
+ if (rc < 0)
+ /* negative value is an error */
+ return -1;
+ if (rc > 0)
+ /* positive value means driver not found */
+ continue;
+ /* initialize subsequent driver instances for this device */
+ if ((dr->drv_flags & RTE_PCI_DRV_MULTIPLE) &&
+ (dev->devargs == NULL ||
+ dev->devargs->type != RTE_DEVTYPE_BLACKLISTED_PCI))
+ while (rte_eal_pci_probe_one_driver(dr, dev) == 0)
+ ;
+ return 0;
}
- return -1;
+ return 1;
}
/*
rte_eal_pci_probe(void)
{
struct rte_pci_device *dev = NULL;
+ struct rte_devargs *devargs;
+ int probe_all = 0;
+ int ret = 0;
+
+ if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) == 0)
+ probe_all = 1;
+
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+
+ /* set devargs in PCI structure */
+ devargs = pci_devargs_lookup(dev);
+ if (devargs != NULL)
+ dev->devargs = devargs;
+
+ /* probe all or only whitelisted devices */
+ if (probe_all)
+ ret = pci_probe_all_drivers(dev);
+ else if (devargs != NULL &&
+ devargs->type == RTE_DEVTYPE_WHITELISTED_PCI)
+ ret = pci_probe_all_drivers(dev);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Requested device " PCI_PRI_FMT
+ " cannot be used\n", dev->addr.domain, dev->addr.bus,
+ dev->addr.devid, dev->addr.function);
+ }
- TAILQ_FOREACH(dev, &device_list, next)
- pci_probe_all_drivers(dev);
- #ifdef RTE_EAL_UNBIND_PORTS
- if (atexit(rte_eal_pci_exit) != 0)
- RTE_LOG(ERR, EAL, "atexit failure\n");
- #endif
return 0;
}
/* dump one device */
static int
-pci_dump_one_device(struct rte_pci_device *dev)
+pci_dump_one_device(FILE *f, struct rte_pci_device *dev)
{
- printf(PCI_PRI_FMT, dev->addr.domain, dev->addr.bus,
+ int i;
+
+ fprintf(f, PCI_PRI_FMT, dev->addr.domain, dev->addr.bus,
dev->addr.devid, dev->addr.function);
- printf(" - vendor:%x device:%x\n", dev->id.vendor_id,
+ fprintf(f, " - vendor:%x device:%x\n", dev->id.vendor_id,
dev->id.device_id);
- printf(" %16.16"PRIx64" %16.16"PRIx64"\n",
- dev->mem_resource.phys_addr, dev->mem_resource.len);
+
+ 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_eal_pci_dump(void)
+rte_eal_pci_dump(FILE *f)
{
struct rte_pci_device *dev = NULL;
- TAILQ_FOREACH(dev, &device_list, next) {
- pci_dump_one_device(dev);
+ TAILQ_FOREACH(dev, &pci_device_list, next) {
+ pci_dump_one_device(f, dev);
}
}
void
rte_eal_pci_register(struct rte_pci_driver *driver)
{
- TAILQ_INSERT_TAIL(&driver_list, driver, next);
+ TAILQ_INSERT_TAIL(&pci_driver_list, driver, next);
}
+/* unregister a driver */
void
-rte_eal_pci_set_blacklist(struct rte_pci_addr *blacklist, unsigned size)
+rte_eal_pci_unregister(struct rte_pci_driver *driver)
{
- dev_blacklist = blacklist;
- dev_blacklist_size = size;
+ TAILQ_REMOVE(&pci_driver_list, driver, next);
}