* 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
* (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>
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->type != RTE_DEVTYPE_BLACKLISTED_PCI &&
- devargs->type != RTE_DEVTYPE_WHITELISTED_PCI)
+ if (devargs->bus != pbus)
continue;
- if (!rte_eal_compare_pci_addr(&dev->addr, &devargs->pci.addr))
+ 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,
loc = &dev->addr;
/* The device is not blacklisted; Check if driver supports it */
- if (!rte_pci_match(dr, dev)) {
+ if (!rte_pci_match(dr, dev))
/* Match of device and driver failed */
- RTE_LOG(DEBUG, EAL, "Driver (%s) doesn't match the device\n",
- dr->driver.name);
return 1;
- }
RTE_LOG(INFO, EAL, "PCI device "PCI_PRI_FMT" on NUMA socket %i\n",
loc->domain, loc->bus, loc->devid, loc->function,
/* no initialization when blacklisted, return without error */
if (dev->device.devargs != NULL &&
- dev->device.devargs->type ==
- RTE_DEVTYPE_BLACKLISTED_PCI) {
+ 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);
ret = dr->probe(dr, dev);
if (ret) {
dev->driver = NULL;
- if (dr->drv_flags & RTE_PCI_DRV_NEED_MAPPING)
+ 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);
}
/*
* Find the pci device specified by pci address, then invoke probe function of
- * the driver of the devive.
+ * the driver of the device.
*/
int
rte_pci_probe_one(const struct rte_pci_addr *addr)
int probe_all = 0;
int ret = 0;
- if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) == 0)
+ if (rte_pci_bus.bus.conf.scan_mode != RTE_BUS_SCAN_WHITELIST)
probe_all = 1;
FOREACH_DEVICE_ON_PCIBUS(dev) {
probed++;
- /* set devargs in PCI structure */
- devargs = pci_devargs_lookup(dev);
- if (devargs != NULL)
- dev->device.devargs = devargs;
-
+ devargs = dev->device.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)
+ devargs->policy == RTE_DEV_WHITELISTED)
ret = pci_probe_all_drivers(dev);
if (ret < 0) {
RTE_LOG(ERR, EAL, "Requested device " PCI_PRI_FMT
}
}
+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_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_BUS_NAME, rte_pci_bus.bus);
+RTE_REGISTER_BUS(pci, rte_pci_bus.bus);
Code Review / deb_dpdk.git / blobdiff