#include <limits.h>
#include <sys/mman.h>
#include <sys/queue.h>
+#include <sys/stat.h>
#include <rte_compat.h>
#include <rte_common.h>
/* used by rte_rdtsc() */
int rte_cycles_vmware_tsc_map;
-/* Return user provided mbuf pool ops name */
-const char * __rte_experimental
-rte_eal_mbuf_user_pool_ops(void)
-{
- return internal_config.user_mbuf_pool_ops_name;
+/* platform-specific runtime dir */
+static char runtime_dir[PATH_MAX];
+
+static const char *default_runtime_dir = "/var/run";
+
+int
+eal_create_runtime_dir(void)
+{
+ const char *directory = default_runtime_dir;
+ const char *xdg_runtime_dir = getenv("XDG_RUNTIME_DIR");
+ const char *fallback = "/tmp";
+ char tmp[PATH_MAX];
+ int ret;
+
+ if (getuid() != 0) {
+ /* try XDG path first, fall back to /tmp */
+ if (xdg_runtime_dir != NULL)
+ directory = xdg_runtime_dir;
+ else
+ directory = fallback;
+ }
+ /* create DPDK subdirectory under runtime dir */
+ ret = snprintf(tmp, sizeof(tmp), "%s/dpdk", directory);
+ if (ret < 0 || ret == sizeof(tmp)) {
+ RTE_LOG(ERR, EAL, "Error creating DPDK runtime path name\n");
+ return -1;
+ }
+
+ /* create prefix-specific subdirectory under DPDK runtime dir */
+ ret = snprintf(runtime_dir, sizeof(runtime_dir), "%s/%s",
+ tmp, internal_config.hugefile_prefix);
+ if (ret < 0 || ret == sizeof(runtime_dir)) {
+ RTE_LOG(ERR, EAL, "Error creating prefix-specific runtime path name\n");
+ return -1;
+ }
+
+ /* create the path if it doesn't exist. no "mkdir -p" here, so do it
+ * step by step.
+ */
+ ret = mkdir(tmp, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
+ tmp, strerror(errno));
+ return -1;
+ }
+
+ ret = mkdir(runtime_dir, 0700);
+ if (ret < 0 && errno != EEXIST) {
+ RTE_LOG(ERR, EAL, "Error creating '%s': %s\n",
+ runtime_dir, strerror(errno));
+ return -1;
+ }
+
+ return 0;
}
-/* Return mbuf pool ops name */
const char *
-rte_eal_mbuf_default_mempool_ops(void)
+eal_get_runtime_dir(void)
{
- if (internal_config.user_mbuf_pool_ops_name == NULL)
- return RTE_MBUF_DEFAULT_MEMPOOL_OPS;
+ return runtime_dir;
+}
+/* Return user provided mbuf pool ops name */
+const char *
+rte_eal_mbuf_user_pool_ops(void)
+{
return internal_config.user_mbuf_pool_ops_name;
}
enum rte_proc_type_t ptype = RTE_PROC_PRIMARY;
const char *pathname = eal_runtime_config_path();
- /* if we can open the file but not get a write-lock we are a secondary
- * process. NOTE: if we get a file handle back, we keep that open
- * and don't close it to prevent a race condition between multiple opens */
- if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
- (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
- ptype = RTE_PROC_SECONDARY;
+ /* if there no shared config, there can be no secondary processes */
+ if (!internal_config.no_shconf) {
+ /* if we can open the file but not get a write-lock we are a
+ * secondary process. NOTE: if we get a file handle back, we
+ * keep that open and don't close it to prevent a race condition
+ * between multiple opens.
+ */
+ if (((mem_cfg_fd = open(pathname, O_RDWR)) >= 0) &&
+ (fcntl(mem_cfg_fd, F_SETLK, &wr_lock) < 0))
+ ptype = RTE_PROC_SECONDARY;
+ }
RTE_LOG(INFO, EAL, "Auto-detected process type: %s\n",
ptype == RTE_PROC_PRIMARY ? "PRIMARY" : "SECONDARY");
}
}
+ /* create runtime data directory */
+ if (internal_config.no_shconf == 0 &&
+ eal_create_runtime_dir() < 0) {
+ RTE_LOG(ERR, EAL, "Cannot create runtime directory\n");
+ ret = -1;
+ goto out;
+ }
+
if (eal_adjust_config(&internal_config) != 0) {
ret = -1;
goto out;
rte_config_init();
+ if (rte_eal_intr_init() < 0) {
+ rte_eal_init_alert("Cannot init interrupt-handling thread\n");
+ return -1;
+ }
+
/* Put mp channel init before bus scan so that we can init the vdev
* bus through mp channel in the secondary process before the bus scan.
*/
return -1;
}
- if (rte_eal_intr_init() < 0) {
- rte_eal_init_alert("Cannot init interrupt-handling thread\n");
- return -1;
- }
-
if (rte_eal_timer_init() < 0) {
rte_eal_init_alert("Cannot init HPET or TSC timers\n");
rte_errno = ENOTSUP;
return 0;
}
-int __rte_experimental
+int
rte_vfio_dma_map(uint64_t __rte_unused vaddr, __rte_unused uint64_t iova,
__rte_unused uint64_t len)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_dma_unmap(uint64_t __rte_unused vaddr, uint64_t __rte_unused iova,
__rte_unused uint64_t len)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_get_group_num(__rte_unused const char *sysfs_base,
__rte_unused const char *dev_addr,
__rte_unused int *iommu_group_num)
return -1;
}
-int __rte_experimental
+int
rte_vfio_get_container_fd(void)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_get_group_fd(__rte_unused int iommu_group_num)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_create(void)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_destroy(__rte_unused int container_fd)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_group_bind(__rte_unused int container_fd,
__rte_unused int iommu_group_num)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_group_unbind(__rte_unused int container_fd,
__rte_unused int iommu_group_num)
{
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_dma_map(__rte_unused int container_fd,
__rte_unused uint64_t vaddr,
__rte_unused uint64_t iova,
return -1;
}
-int __rte_experimental
+int
rte_vfio_container_dma_unmap(__rte_unused int container_fd,
__rte_unused uint64_t vaddr,
__rte_unused uint64_t iova,
git.droids-corp.org / dpdk.git / blobdiff