/** 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_STR_SIZE sizeof("XXXX:XX:XX.X")
+#define PCI_PRI_STR_SIZE sizeof("XXXXXXXX:XX:XX.X")
/** Short formatting string, without domain, for PCI device: Ex: 00:01.0 */
#define PCI_SHORT_PRI_FMT "%.2" PRIx8 ":%.2" PRIx8 ".%" PRIx8
/** Maximum number of PCI resources. */
#define PCI_MAX_RESOURCE 6
-/** Name of PCI Bus */
-#define PCI_BUS_NAME "PCI"
-
/* Forward declarations */
struct rte_pci_device;
struct rte_pci_driver;
* A structure describing the location of a PCI device.
*/
struct rte_pci_addr {
- uint16_t domain; /**< Device domain */
+ uint32_t domain; /**< Device domain */
uint8_t bus; /**< Device bus */
uint8_t devid; /**< Device ID */
uint8_t function; /**< Device function. */
struct rte_devargs;
-enum rte_kernel_driver {
- RTE_KDRV_UNKNOWN = 0,
- RTE_KDRV_IGB_UIO,
- RTE_KDRV_VFIO,
- RTE_KDRV_UIO_GENERIC,
- RTE_KDRV_NIC_UIO,
- RTE_KDRV_NONE,
-};
-
/**
* A structure describing a PCI device.
*/
#define RTE_PCI_DRV_INTR_RMV 0x0010
/** Device driver needs to keep mapped resources if unsupported dev detected */
#define RTE_PCI_DRV_KEEP_MAPPED_RES 0x0020
+/** Device driver supports IOVA as VA */
+#define RTE_PCI_DRV_IOVA_AS_VA 0X0040
/**
* A structure describing a PCI mapping.
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
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);
-/**< 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)
-
/**
+ * @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)
* @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;
-}
+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.
* @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
+int eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr);
/**
* Utility function to write a pci device name, this device name can later be
* @param size
* The output buffer size
*/
-static inline void
-rte_pci_device_name(const struct rte_pci_addr *addr,
- char *output, size_t size)
-{
- RTE_VERIFY(size >= PCI_PRI_STR_SIZE);
- RTE_VERIFY(snprintf(output, size, PCI_PRI_FMT,
- addr->domain, addr->bus,
- addr->devid, addr->function) >= 0);
-}
+void rte_pci_device_name(const struct rte_pci_addr *addr, char *output,
+ size_t size);
-/* Compare two PCI device addresses. */
/**
* Utility function to compare two PCI device addresses.
*
* Positive on addr is greater than addr2.
* Negative on addr is less than addr2, or error.
*/
-static inline int
-rte_eal_compare_pci_addr(const struct rte_pci_addr *addr,
- const struct rte_pci_addr *addr2)
-{
- uint64_t dev_addr, dev_addr2;
-
- if ((addr == NULL) || (addr2 == NULL))
- return -1;
-
- dev_addr = (addr->domain << 24) | (addr->bus << 16) |
- (addr->devid << 8) | addr->function;
- dev_addr2 = (addr2->domain << 24) | (addr2->bus << 16) |
- (addr2->devid << 8) | addr2->function;
-
- if (dev_addr > dev_addr2)
- return 1;
- else if (dev_addr < dev_addr2)
- return -1;
- else
- return 0;
-}
+int rte_pci_addr_cmp(const struct rte_pci_addr *addr,
+ const struct rte_pci_addr *addr2);
/**
- * Scan the content of the PCI bus, and the devices in the devices
- * list
+ * @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 success, negative on error
+ * 0 on equal PCI address.
+ * Positive on addr is greater than addr2.
+ * Negative on addr is less than addr2, or error.
*/
-int rte_pci_scan(void);
+int rte_eal_compare_pci_addr(const struct rte_pci_addr *addr,
+ const struct rte_pci_addr *addr2);
/**
- * Probe the PCI bus
+ * Utility function to parse a string into a PCI location.
*
+ * @param str
+ * The string to parse
+ * @param addr
+ * The reference to the structure where the location
+ * is stored.
* @return
- * - 0 on success.
- * - !0 on error.
+ * 0 on success
+ * <0 otherwise
*/
-int
-rte_pci_probe(void);
+int rte_pci_addr_parse(const char *str, struct rte_pci_addr *addr);
/**
* Map the PCI device resources in user space virtual memory address
*/
void pci_unmap_resource(void *requested_addr, size_t size);
-/**
- * Probe the single PCI device.
- *
- * Scan the content of the PCI bus, and find the pci device specified by pci
- * address, then call the probe() function for registered driver that has a
- * matching entry in its id_table for discovered device.
- *
- * @param addr
- * The PCI Bus-Device-Function address to probe.
- * @return
- * - 0 on success.
- * - Negative on error.
- */
-int rte_pci_probe_one(const struct rte_pci_addr *addr);
-
-/**
- * Close the single PCI device.
- *
- * Scan the content of the PCI bus, and find the pci device specified by pci
- * address, then call the remove() function for registered driver that has a
- * matching entry in its id_table for discovered device.
- *
- * @param addr
- * The PCI Bus-Device-Function address to close.
- * @return
- * - 0 on success.
- * - Negative on error.
- */
-int rte_pci_detach(const struct rte_pci_addr *addr);
-
/**
* Dump the content of the PCI bus.
*
git.droids-corp.org / dpdk.git / blobdiff