/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2013 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
*
extern "C" {
#endif
+#include <stdlib.h>
#include <limits.h>
+#include <errno.h>
#include <sys/queue.h>
#include <stdint.h>
#include <inttypes.h>
/** Formatting string for PCI device identifier: Ex: 0000:00:01.0 */
#define PCI_PRI_FMT "%.4"PRIx16":%.2"PRIx8":%.2"PRIx8".%"PRIx8
+/** Short formatting string, without domain, for PCI device: Ex: 00:01.0 */
+#define PCI_SHORT_PRI_FMT "%.2"PRIx8":%.2"PRIx8".%"PRIx8
+
/** Nb. of values in PCI device identifier format string. */
#define PCI_FMT_NVAL 4
struct rte_intr_handle intr_handle; /**< Interrupt handle */
const struct rte_pci_driver *driver; /**< Associated driver */
uint16_t max_vfs; /**< sriov enable if not zero */
+ int numa_node; /**< NUMA node connection */
unsigned int blacklisted:1; /**< Device is blacklisted */
};
/** Device driver must be registered several times until failure */
#define RTE_PCI_DRV_MULTIPLE 0x0002
+/**< Internal use only - Macro used by pci addr parsing functions **/
+#define GET_PCIADDR_FIELD(in, fd, lim, dlm) \
+do { \
+ unsigned long val; \
+ char *end; \
+ errno = 0; \
+ val = strtoul((in), &end, 16); \
+ if (errno != 0 || end[0] != (dlm) || val > (lim)) \
+ return (-EINVAL); \
+ (fd) = (typeof (fd))val; \
+ (in) = end + 1; \
+} while(0)
+
+/**
+ * Utility function to produce a PCI Bus-Device-Function value
+ * given a string representation. Assumes that the BDF is provided without
+ * a domain prefix (i.e. domain returned is always 0)
+ *
+ * @param input
+ * The input string to be parsed. Should have the format XX:XX.X
+ * @param dev_addr
+ * The PCI Bus-Device-Function address to be returned. Domain will always be
+ * returned as 0
+ * @return
+ * 0 on success, negative on error.
+ */
+static inline int
+eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr)
+{
+ dev_addr->domain = 0;
+ GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':');
+ GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.');
+ GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0);
+ return (0);
+}
+
+/**
+ * Utility function to produce a PCI Bus-Device-Function value
+ * given a string representation. Assumes that the BDF is provided including
+ * a domain prefix.
+ *
+ * @param input
+ * The input string to be parsed. Should have the format XXXX:XX:XX.X
+ * @param dev_addr
+ * The PCI Bus-Device-Function address to be returned
+ * @return
+ * 0 on success, negative on error.
+ */
+static inline int
+eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr)
+{
+ GET_PCIADDR_FIELD(input, dev_addr->domain, UINT16_MAX, ':');
+ GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':');
+ GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.');
+ GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0);
+ return (0);
+}
+#undef GET_PCIADDR_FIELD
+
/**
* Probe the PCI bus for registered drivers.
*
git.droids-corp.org / dpdk.git / blobdiff