pci: allow const pci address parameter

probe and close both don't modify the rte_pci_addr structure
that is passed.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>

diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 808b87b..4229aaf 100644 (file)
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -158,7 +158,7 @@ pci_close_all_drivers(struct rte_pci_device *dev)
  * the driver of the devive.
  */
 int
-rte_eal_pci_probe_one(struct rte_pci_addr *addr)
+rte_eal_pci_probe_one(const struct rte_pci_addr *addr)
 {
        struct rte_pci_device *dev = NULL;
        int ret = 0;
@@ -189,7 +189,7 @@ err_return:
  * the driver of the devive.
  */
 int
-rte_eal_pci_close_one(struct rte_pci_addr *addr)
+rte_eal_pci_close_one(const struct rte_pci_addr *addr)
 {
        struct rte_pci_device *dev = NULL;
        int ret = 0;

diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 62449d7..223d3cd 100644 (file)
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -292,7 +292,8 @@ eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr)
  *     Negative on addr is less than addr2, or error.
  */
 static inline int
-rte_eal_compare_pci_addr(struct rte_pci_addr *addr, struct rte_pci_addr *addr2)
+rte_eal_compare_pci_addr(const struct rte_pci_addr *addr,
+                        const struct rte_pci_addr *addr2)
 {
        uint64_t dev_addr, dev_addr2;
 
@@ -348,7 +349,7 @@ int rte_eal_pci_probe(void);
  *   - 0 on success.
  *   - Negative on error.
  */
-int rte_eal_pci_probe_one(struct rte_pci_addr *addr);
+int rte_eal_pci_probe_one(const struct rte_pci_addr *addr);
 
 /**
  * Close the single PCI device.
@@ -363,7 +364,7 @@ int rte_eal_pci_probe_one(struct rte_pci_addr *addr);
  *   - 0 on success.
  *   - Negative on error.
  */
-int rte_eal_pci_close_one(struct rte_pci_addr *addr);
+int rte_eal_pci_close_one(const struct rte_pci_addr *addr);
 #endif /* RTE_LIBRTE_EAL_HOTPLUG */
 
 /**