-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation.
+ * Copyright 2013-2014 6WIND S.A.
*/
#ifndef _RTE_PCI_H_
#endif
#include <stdio.h>
-#include <stdlib.h>
#include <limits.h>
-#include <errno.h>
#include <sys/queue.h>
-#include <stdint.h>
#include <inttypes.h>
+#include <sys/types.h>
-#include <rte_debug.h>
-#include <rte_interrupts.h>
+/*
+ * Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
+ * configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
+ * configuration space.
+ */
+#define RTE_PCI_CFG_SPACE_SIZE 256
+#define RTE_PCI_CFG_SPACE_EXP_SIZE 4096
+
+#define RTE_PCI_VENDOR_ID 0x00 /* 16 bits */
+#define RTE_PCI_DEVICE_ID 0x02 /* 16 bits */
+
+/* PCI Express capability registers */
+#define RTE_PCI_EXP_DEVCTL 8 /* Device Control */
+
+/* Extended Capabilities (PCI-X 2.0 and Express) */
+#define RTE_PCI_EXT_CAP_ID(header) (header & 0x0000ffff)
+#define RTE_PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc)
+
+#define RTE_PCI_EXT_CAP_ID_ERR 0x01 /* Advanced Error Reporting */
+#define RTE_PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */
+#define RTE_PCI_EXT_CAP_ID_SRIOV 0x10 /* SR-IOV*/
+
+/* Single Root I/O Virtualization */
+#define RTE_PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */
+#define RTE_PCI_SRIOV_CTRL 0x08 /* SR-IOV Control */
+#define RTE_PCI_SRIOV_INITIAL_VF 0x0c /* Initial VFs */
+#define RTE_PCI_SRIOV_TOTAL_VF 0x0e /* Total VFs */
+#define RTE_PCI_SRIOV_NUM_VF 0x10 /* Number of VFs */
+#define RTE_PCI_SRIOV_FUNC_LINK 0x12 /* Function Dependency Link */
+#define RTE_PCI_SRIOV_VF_OFFSET 0x14 /* First VF Offset */
+#define RTE_PCI_SRIOV_VF_STRIDE 0x16 /* Following VF Stride */
+#define RTE_PCI_SRIOV_VF_DID 0x1a /* VF Device ID */
+#define RTE_PCI_SRIOV_SUP_PGSIZE 0x1c /* Supported Page Sizes */
/** Formatting string for PCI device identifier: Ex: 0000:00:01.0 */
-#define PCI_PRI_FMT "%.4" PRIx16 ":%.2" PRIx8 ":%.2" PRIx8 ".%" PRIx8
+#define PCI_PRI_FMT "%.4" PRIx32 ":%.2" PRIx8 ":%.2" PRIx8 ".%" PRIx8
#define PCI_PRI_STR_SIZE sizeof("XXXXXXXX:XX:XX.X")
/** Short formatting string, without domain, for PCI device: Ex: 00:01.0 */
#define RTE_CLASS_ANY_ID (0xffffff)
/**
- * A structure describing a PCI mapping.
- */
-struct pci_map {
- void *addr;
- char *path;
- uint64_t offset;
- uint64_t size;
- uint64_t phaddr;
-};
-
-struct pci_msix_table {
- int bar_index;
- uint32_t offset;
- uint32_t size;
-};
-
-/**
- * A structure describing a mapped PCI resource.
- * For multi-process we need to reproduce all PCI mappings in secondary
- * processes, so save them in a tailq.
- */
-struct mapped_pci_resource {
- TAILQ_ENTRY(mapped_pci_resource) next;
-
- struct rte_pci_addr pci_addr;
- char path[PATH_MAX];
- int nb_maps;
- struct pci_map maps[PCI_MAX_RESOURCE];
- struct pci_msix_table msix_table;
-};
-
-
-/** mapped pci device list */
-TAILQ_HEAD(mapped_pci_res_list, mapped_pci_resource);
-
-/**
- * @deprecated
- * 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.
- */
-int eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr);
-
-/**
- * @deprecated
- * 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.
- */
-int eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr);
-
-/**
- * @deprecated
* Utility function to write a pci device name, this device name can later be
* used to retrieve the corresponding rte_pci_addr using eal_parse_pci_*
* BDF helpers.
* The output buffer size
*/
void rte_pci_device_name(const struct rte_pci_addr *addr,
- char *output, size_t size);
-
-/**
- * Utility function to write a pci device name, this device name can later be
- * used to retrieve the corresponding rte_pci_addr using eal_parse_pci_*
- * BDF helpers.
- *
- * @param addr
- * The PCI Bus-Device-Function address
- * @param output
- * The output buffer string
- * @param size
- * The output buffer size
- */
-void pci_device_name(const struct rte_pci_addr *addr,
char *output, size_t size);
-/**
- * @deprecated
- * Utility function to compare two PCI device addresses.
- *
- * @param addr
- * The PCI Bus-Device-Function address to compare
- * @param addr2
- * The PCI Bus-Device-Function address to compare
- * @return
- * 0 on equal PCI address.
- * Positive on addr is greater than addr2.
- * Negative on addr is less than addr2, or error.
- */
-int rte_eal_compare_pci_addr(const struct rte_pci_addr *addr,
- const struct rte_pci_addr *addr2);
-
/**
* Utility function to compare two PCI device addresses.
*
* Positive on addr is greater than addr2.
* Negative on addr is less than addr2, or error.
*/
-int pci_addr_cmp(const struct rte_pci_addr *addr,
- const struct rte_pci_addr *addr2);
+int rte_pci_addr_cmp(const struct rte_pci_addr *addr,
+ const struct rte_pci_addr *addr2);
/**
* 0 on success
* <0 otherwise
*/
-int pci_addr_parse(const char *str, struct rte_pci_addr *addr);
-
-/**
- * Map a particular resource from a file.
- *
- * @param requested_addr
- * The starting address for the new mapping range.
- * @param fd
- * The file descriptor.
- * @param offset
- * The offset for the mapping range.
- * @param size
- * The size for the mapping range.
- * @param additional_flags
- * The additional flags for the mapping range.
- * @return
- * - On success, the function returns a pointer to the mapped area.
- * - On error, the value MAP_FAILED is returned.
- */
-void *pci_map_resource(void *requested_addr, int fd, off_t offset,
- size_t size, int additional_flags);
-
-/**
- * Unmap a particular resource.
- *
- * @param requested_addr
- * The address for the unmapping range.
- * @param size
- * The size for the unmapping range.
- */
-void pci_unmap_resource(void *requested_addr, size_t size);
+int rte_pci_addr_parse(const char *str, struct rte_pci_addr *addr);
#ifdef __cplusplus
}
git.droids-corp.org / dpdk.git / blobdiff