pci: avoid inlining functions
authorGaetan Rivet <gaetan.rivet@6wind.com>
Thu, 26 Oct 2017 10:05:56 +0000 (12:05 +0200)
committerThomas Monjalon <thomas@monjalon.net>
Thu, 26 Oct 2017 21:17:31 +0000 (23:17 +0200)
Parsing operations should not happen in performance critical sections.
Headers should not propose implementations unless duly required.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
lib/librte_eal/common/eal_common_pci.c
lib/librte_eal/common/include/rte_pci.h
lib/librte_eal/rte_eal_version.map

index fb92ee7..54931d1 100644 (file)
@@ -87,6 +87,74 @@ static struct rte_devargs *pci_devargs_lookup(struct rte_pci_device *dev)
        return NULL;
 }
 
+/* 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)
+
+
+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_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
+
+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);
+}
+
+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 = ((uint64_t)addr->domain << 24) |
+                (addr->bus << 16) | (addr->devid << 8) | addr->function;
+       dev_addr2 = ((uint64_t)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;
+}
+
 void
 pci_name_set(struct rte_pci_device *dev)
 {
index 1c5f469..a366f3f 100644 (file)
@@ -240,19 +240,6 @@ struct mapped_pci_resource {
 /** 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)
-
 /**
  * Utility function to produce a PCI Bus-Device-Function value
  * given a string representation. Assumes that the BDF is provided without
@@ -266,15 +253,7 @@ do {                                                               \
  * @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);
 
 /**
  * Utility function to produce a PCI Bus-Device-Function value
@@ -288,16 +267,7 @@ eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr)
  * @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
@@ -311,17 +281,9 @@ eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr)
  * @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.
  *
@@ -334,27 +296,8 @@ rte_pci_device_name(const struct rte_pci_addr *addr,
  *     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 = ((uint64_t)addr->domain << 24) |
-               (addr->bus << 16) | (addr->devid << 8) | addr->function;
-       dev_addr2 = ((uint64_t)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_eal_compare_pci_addr(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
index 262211a..f22869a 100644 (file)
@@ -241,8 +241,11 @@ EXPERIMENTAL {
 DPDK_17.11 {
        global:
 
+       eal_parse_pci_BDF;
+       eal_parse_pci_DomBDF;
        rte_eal_create_uio_dev;
        rte_bus_get_iommu_class;
+       rte_eal_compare_pci_addr;
        rte_eal_has_pci;
        rte_eal_iova_mode;
        rte_eal_mbuf_default_mempool_ops;
@@ -250,6 +253,7 @@ DPDK_17.11 {
        rte_eal_vfio_intr_mode;
        rte_lcore_has_role;
        rte_memcpy_ptr;
+       rte_pci_device_name;
        rte_pci_get_iommu_class;
        rte_pci_match;
        vfio_enable;