1 files changed, 0 insertions, 298 deletions
diff --git a/src/dpdk_lib18/librte_pmd_xenvirt/rte_mempool_gntalloc.c b/src/dpdk_lib18/librte_pmd_xenvirt/rte_mempool_gntalloc.c
deleted file mode 100755
index 3a650e8d..00000000
--- a/src/dpdk_lib18/librte_pmd_xenvirt/rte_mempool_gntalloc.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_memory.h>
-#include <rte_errno.h>
-
-#include "rte_xen_lib.h"
-#include "rte_eth_xenvirt.h"
-
-struct _gntarr {
-	uint32_t gref;
-	phys_addr_t pa;
-	uint64_t index;
-	void *va;
-};
-
-struct _mempool_gntalloc_info {
-	struct rte_mempool *mp;
-	uint32_t pg_num;
-	uint32_t *gref_arr;
-	phys_addr_t *pa_arr;
-	void *va;
-	uint32_t mempool_idx;
-	uint64_t start_index;
-};
-
-
-static rte_atomic32_t global_xenvirt_mempool_idx = RTE_ATOMIC32_INIT(-1);
-
-static int
-compare(const void *p1, const void *p2)
-{
-	return ((const struct _gntarr *)p1)->pa  - ((const struct _gntarr *)p2)->pa;
-}
-
-
-static struct _mempool_gntalloc_info
-_create_mempool(const char *name, unsigned elt_num, unsigned elt_size,
-		   unsigned cache_size, unsigned private_data_size,
-		   rte_mempool_ctor_t *mp_init, void *mp_init_arg,
-		   rte_mempool_obj_ctor_t *obj_init, void *obj_init_arg,
-		   int socket_id, unsigned flags)
-{
-	struct _mempool_gntalloc_info mgi;
-	struct rte_mempool *mp = NULL;
-	struct rte_mempool_objsz  objsz;
-	uint32_t pg_num, rpg_num, pg_shift, pg_sz;
-	char *va, *orig_va, *uv; /* uv: from which, the pages could be freed */
-	ssize_t sz, usz; /* usz: unused size */
-	/*
-	 * for each page allocated through xen_gntalloc driver,
-	 * gref_arr:stores grant references,
-	 * pa_arr: stores physical address,
-	 * gnt_arr: stores all meta dat
-	 */
-	uint32_t *gref_arr = NULL;
-	phys_addr_t *pa_arr = NULL;
-	struct _gntarr *gnt_arr = NULL;
-	/* start index of the grant referances, used for dealloc*/
-	uint64_t start_index;
-	uint32_t i, j;
-	int rv = 0;
-	struct ioctl_gntalloc_dealloc_gref arg;
-
-	mgi.mp = NULL;
-	va = orig_va = uv = NULL;
-	pg_num = rpg_num = 0;
-	sz = 0;
-
-	pg_sz = getpagesize();
-	if (rte_is_power_of_2(pg_sz) == 0) {
-		goto out;
-	}
-	pg_shift = rte_bsf32(pg_sz);
-
-	rte_mempool_calc_obj_size(elt_size, flags, &objsz);
-	sz = rte_mempool_xmem_size(elt_num, objsz.total_size, pg_shift);
-	pg_num = sz >> pg_shift;
-
-	pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
-	gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
-	gnt_arr  = calloc(pg_num, sizeof(gnt_arr[0]));
-	if ((gnt_arr == NULL) || (gref_arr == NULL) || (pa_arr == NULL))
-		goto out;
-
-	/* grant index is continuous in ascending order */
-	orig_va = gntalloc(sz, gref_arr, &start_index);
-	if (orig_va == NULL)
-		goto out;
-
-	get_phys_map(orig_va, pa_arr, pg_num, pg_sz);
-	for (i = 0; i < pg_num; i++) {
-		gnt_arr[i].index = start_index + i * pg_sz;
-		gnt_arr[i].gref = gref_arr[i];
-		gnt_arr[i].pa = pa_arr[i];
-		gnt_arr[i].va  = RTE_PTR_ADD(orig_va, i * pg_sz);
-	}
-	qsort(gnt_arr, pg_num, sizeof(struct _gntarr), compare);
-
-	va = get_xen_virtual(sz, pg_sz);
-	if (va == NULL) {
-		goto out;
-	}
-
-	/*
-	 * map one by one, as index isn't continuous now.
-	 * pg_num VMAs, doesn't linux has a limitation on this?
-	 */
-	for (i = 0; i < pg_num; i++) {
-	/* update gref_arr and pa_arr after sort */
-		gref_arr[i] = gnt_arr[i].gref;
-		pa_arr[i]   = gnt_arr[i].pa;
-		gnt_arr[i].va = mmap(va + i * pg_sz, pg_sz, PROT_READ | PROT_WRITE,
-			MAP_SHARED | MAP_FIXED, gntalloc_fd, gnt_arr[i].index);
-		if ((gnt_arr[i].va == MAP_FAILED) || (gnt_arr[i].va != (va + i * pg_sz))) {
-			RTE_LOG(ERR, PMD, "failed to map %d pages\n", i);
-			goto mmap_failed;
-		}
-	}
-
-	/*
-	 * Check that allocated size is big enough to hold elt_num
-	 * objects and a calcualte how many bytes are actually required.
-	 */
-	usz = rte_mempool_xmem_usage(va, elt_num, objsz.total_size, pa_arr, pg_num, pg_shift);
-	if (usz < 0) {
-		mp = NULL;
-		i = pg_num;
-		goto mmap_failed;
-	} else {
-		/* unmap unused pages if any */
-		uv = RTE_PTR_ADD(va, usz);
-		if ((usz = va + sz - uv) > 0) {
-
-			RTE_LOG(ERR, PMD,
-				"%s(%s): unmap unused %zu of %zu "
-				"mmaped bytes @%p orig:%p\n",
-				__func__, name, usz, sz, uv, va);
-			munmap(uv, usz);
-			i = (sz - usz) / pg_sz;
-			for (; i < pg_num; i++) {
-				arg.count = 1;
-				arg.index = gnt_arr[i].index;
-				rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg);
-				if (rv) {
-					/* shouldn't fail here */
-					RTE_LOG(ERR, PMD, "va=%p pa=%p index=%p %s\n",
-						gnt_arr[i].va,
-						(void *)gnt_arr[i].pa,
-						(void *)arg.index, strerror(errno));
-					rte_panic("gntdealloc failed when freeing pages\n");
-				}
-			}
-
-			rpg_num = (sz - usz) >> pg_shift;
-		} else
-			rpg_num = pg_num;
-
-		mp = rte_mempool_xmem_create(name, elt_num, elt_size,
-				cache_size, private_data_size,
-				mp_init, mp_init_arg,
-				obj_init, obj_init_arg,
-				socket_id, flags, va, pa_arr, rpg_num, pg_shift);
-
-		RTE_VERIFY(elt_num == mp->size);
-	}
-	mgi.mp = mp;
-	mgi.pg_num = rpg_num;
-	mgi.gref_arr = gref_arr;
-	mgi.pa_arr = pa_arr;
-	if (mp)
-		mgi.mempool_idx = rte_atomic32_add_return(&global_xenvirt_mempool_idx, 1);
-	mgi.start_index = start_index;
-	mgi.va = va;
-
-	if (mp == NULL) {
-		i = pg_num;
-		goto mmap_failed;
-	}
-
-/*
- * unmap only, without deallocate grant reference.
- * unused pages have already been unmaped,
- * unmap twice will fail, but it is safe.
- */
-mmap_failed:
-	for (j = 0; j < i; j++) {
-		if (gnt_arr[i].va)
-			munmap(gnt_arr[i].va, pg_sz);
-	}
-out:
-	if (gnt_arr)
-		free(gnt_arr);
-	if (orig_va)
-		munmap(orig_va, sz);
-	if (mp == NULL) {
-		if (gref_arr)
-			free(gref_arr);
-		if (pa_arr)
-			free(pa_arr);
-
-		/* some gref has already been de-allocated from the list in the driver,
-		 * so dealloc one by one, and it is safe to deallocate twice
-		 */
-		if (orig_va) {
-			for (i = 0; i < pg_num; i++) {
-				arg.index = start_index + i * pg_sz;
-				rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
-			}
-		}
-	}
-	return mgi;
-}
-
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned elt_size,
-		   unsigned cache_size, unsigned private_data_size,
-		   rte_mempool_ctor_t *mp_init, void *mp_init_arg,
-		   rte_mempool_obj_ctor_t *obj_init, void *obj_init_arg,
-		   int socket_id, unsigned flags)
-{
-	int rv;
-	uint32_t i;
-	struct _mempool_gntalloc_info mgi;
-	struct ioctl_gntalloc_dealloc_gref arg;
-	int pg_sz = getpagesize();
-
-	mgi = _create_mempool(name, elt_num, elt_size,
-			cache_size, private_data_size,
-			mp_init, mp_init_arg,
-			obj_init, obj_init_arg,
-			socket_id, flags);
-	if (mgi.mp) {
-		rv = grant_gntalloc_mbuf_pool(mgi.mp,
-			mgi.pg_num,
-			mgi.gref_arr,
-			mgi.pa_arr,
-			mgi.mempool_idx);
-		free(mgi.gref_arr);
-		free(mgi.pa_arr);
-		if (rv == 0)
-			return mgi.mp;
-		/*
-		 * in _create_mempool, unused pages have already been unmapped, deallocagted
-		 * unmap and dealloc the remained ones here.
-		 */
-		munmap(mgi.va, pg_sz * mgi.pg_num);
-		for (i = 0; i < mgi.pg_num; i++) {
-			arg.index = mgi.start_index + i * pg_sz;
-			rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
-		}
-		return NULL;
-	}
-	return NULL;
-
-
-
-}