#include <stddef.h>
#include <stdio.h>
+#include <rte_config.h>
+
#ifdef RTE_EXEC_ENV_LINUXAPP
#include <exec-env/rte_dom0_common.h>
#endif
extern "C" {
#endif
+#include <rte_common.h>
+
+__extension__
enum rte_page_sizes {
- RTE_PGSIZE_4K = 1ULL << 12,
- RTE_PGSIZE_2M = 1ULL << 21,
- RTE_PGSIZE_1G = 1ULL << 30,
- RTE_PGSIZE_64K = 1ULL << 16,
- RTE_PGSIZE_16M = 1ULL << 24,
- RTE_PGSIZE_16G = 1ULL << 34
+ RTE_PGSIZE_4K = 1ULL << 12,
+ RTE_PGSIZE_64K = 1ULL << 16,
+ RTE_PGSIZE_256K = 1ULL << 18,
+ RTE_PGSIZE_2M = 1ULL << 21,
+ RTE_PGSIZE_16M = 1ULL << 24,
+ RTE_PGSIZE_256M = 1ULL << 28,
+ RTE_PGSIZE_512M = 1ULL << 29,
+ RTE_PGSIZE_1G = 1ULL << 30,
+ RTE_PGSIZE_4G = 1ULL << 32,
+ RTE_PGSIZE_16G = 1ULL << 34,
};
#define SOCKET_ID_ANY -1 /**< Any NUMA socket. */
-#ifndef RTE_CACHE_LINE_SIZE
-#define RTE_CACHE_LINE_SIZE 64 /**< Cache line size. */
-#endif
#define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1) /**< Cache line mask. */
#define RTE_CACHE_LINE_ROUNDUP(size) \
(RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / RTE_CACHE_LINE_SIZE))
/**< Return the first cache-aligned value greater or equal to size. */
+/**< Cache line size in terms of log2 */
+#if RTE_CACHE_LINE_SIZE == 64
+#define RTE_CACHE_LINE_SIZE_LOG2 6
+#elif RTE_CACHE_LINE_SIZE == 128
+#define RTE_CACHE_LINE_SIZE_LOG2 7
+#else
+#error "Unsupported cache line size"
+#endif
+
+#define RTE_CACHE_LINE_MIN_SIZE 64 /**< Minimum Cache line size. */
+
/**
* Force alignment to cache line.
*/
-#define __rte_cache_aligned __attribute__((__aligned__(RTE_CACHE_LINE_SIZE)))
+#define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
+
+/**
+ * Force minimum cache line alignment.
+ */
+#define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
typedef uint64_t phys_addr_t; /**< Physical address definition. */
#define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
*/
struct rte_memseg {
phys_addr_t phys_addr; /**< Start physical address. */
+ RTE_STD_C11
union {
void *addr; /**< Start virtual address. */
uint64_t addr_64; /**< Makes sure addr is always 64 bits */
};
-#ifdef RTE_LIBRTE_IVSHMEM
- phys_addr_t ioremap_addr; /**< Real physical address inside the VM */
-#endif
size_t len; /**< Length of the segment. */
uint64_t hugepage_sz; /**< The pagesize of underlying memory */
int32_t socket_id; /**< NUMA socket ID. */
/**< store segment MFNs */
uint64_t mfn[DOM0_NUM_MEMBLOCK];
#endif
-} __attribute__((__packed__));
+} __rte_packed;
/**
* Lock page in physical memory and prevent from swapping.
const struct rte_memseg *rte_eal_get_physmem_layout(void);
/**
- * Dump the physical memory layout to the console.
+ * Dump the physical memory layout to a file.
*
* @param f
* A pointer to a file for output
unsigned rte_memory_get_nrank(void);
#ifdef RTE_LIBRTE_XEN_DOM0
+
+/**< Internal use only - should DOM0 memory mapping be used */
+int rte_xen_dom0_supported(void);
+
+/**< Internal use only - phys to virt mapping for xen */
+phys_addr_t rte_xen_mem_phy2mch(int32_t, const phys_addr_t);
+
/**
* Return the physical address of elt, which is an element of the pool mp.
*
* @param memseg_id
- * The mempool is from which memory segment.
+ * Identifier of the memory segment owning the physical address. If
+ * set to -1, find it automatically.
* @param phy_addr
* physical address of elt.
*
* @return
- * The physical address or error.
+ * The physical address or RTE_BAD_PHYS_ADDR on error.
*/
-phys_addr_t rte_mem_phy2mch(uint32_t memseg_id, const phys_addr_t phy_addr);
+static inline phys_addr_t
+rte_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
+{
+ if (rte_xen_dom0_supported())
+ return rte_xen_mem_phy2mch(memseg_id, phy_addr);
+ else
+ return phy_addr;
+}
/**
* Memory init for supporting application running on Xen domain0.
*
* @return
* 0: successfully
- * negative: error
+ * negative: error
*/
int rte_xen_dom0_memory_init(void);
* negative: error
*/
int rte_xen_dom0_memory_attach(void);
+#else
+static inline int rte_xen_dom0_supported(void)
+{
+ return 0;
+}
+
+static inline phys_addr_t
+rte_mem_phy2mch(int32_t memseg_id __rte_unused, const phys_addr_t phy_addr)
+{
+ return phy_addr;
+}
#endif
+
#ifdef __cplusplus
}
#endif