eal: remove Xen dom0 support

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_memory.c

diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 2d9d7c2..e2ea120 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -75,13 +75,6 @@
 
 #define PFN_MASK_SIZE  8
 
-#ifdef RTE_LIBRTE_XEN_DOM0
-int rte_xen_dom0_supported(void)
-{
-       return internal_config.xen_dom0_support;
-}
-#endif
-
 /**
  * @file
  * Huge page mapping under linux
@@ -106,10 +99,6 @@ test_phys_addrs_available(void)
        uint64_t tmp;
        phys_addr_t physaddr;
 
-       /* For dom0, phys addresses can always be available */
-       if (rte_xen_dom0_supported())
-               return;
-
        if (!rte_eal_has_hugepages()) {
                RTE_LOG(ERR, EAL,
                        "Started without hugepages support, physical addresses not available\n");
@@ -142,29 +131,6 @@ rte_mem_virt2phy(const void *virtaddr)
        if (rte_eal_iova_mode() == RTE_IOVA_VA)
                return (uintptr_t)virtaddr;
 
-       /* when using dom0, /proc/self/pagemap always returns 0, check in
-        * dpdk memory by browsing the memsegs */
-       if (rte_xen_dom0_supported()) {
-               struct rte_mem_config *mcfg;
-               struct rte_memseg *memseg;
-               unsigned i;
-
-               mcfg = rte_eal_get_configuration()->mem_config;
-               for (i = 0; i < RTE_MAX_MEMSEG; i++) {
-                       memseg = &mcfg->memseg[i];
-                       if (memseg->addr == NULL)
-                               break;
-                       if (virtaddr > memseg->addr &&
-                                       virtaddr < RTE_PTR_ADD(memseg->addr,
-                                               memseg->len)) {
-                               return memseg->phys_addr +
-                                       RTE_PTR_DIFF(virtaddr, memseg->addr);
-                       }
-               }
-
-               return RTE_BAD_PHYS_ADDR;
-       }
-
        /* Cannot parse /proc/self/pagemap, no need to log errors everywhere */
        if (!phys_addrs_available)
                return RTE_BAD_PHYS_ADDR;
@@ -1070,17 +1036,6 @@ rte_eal_hugepage_init(void)
                return 0;
        }
 
-/* check if app runs on Xen Dom0 */
-       if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
-               /* use dom0_mm kernel driver to init memory */
-               if (rte_xen_dom0_memory_init() < 0)
-                       return -1;
-               else
-                       return 0;
-#endif
-       }
-
        /* calculate total number of hugepages available. at this point we haven't
         * yet started sorting them so they all are on socket 0 */
        for (i = 0; i < (int) internal_config.num_hugepage_sizes; i++) {
@@ -1403,17 +1358,6 @@ rte_eal_hugepage_attach(void)
 
        test_phys_addrs_available();
 
-       if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
-               if (rte_xen_dom0_memory_attach() < 0) {
-                       RTE_LOG(ERR, EAL, "Failed to attach memory segments of primary "
-                                       "process\n");
-                       return -1;
-               }
-               return 0;
-#endif
-       }
-
        fd_zero = open("/dev/zero", O_RDONLY);
        if (fd_zero < 0) {
                RTE_LOG(ERR, EAL, "Could not open /dev/zero\n");