aboutsummaryrefslogtreecommitdiff
path: root/hw/rdma/rdma_utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/rdma/rdma_utils.c')
-rw-r--r--hw/rdma/rdma_utils.c126
1 files changed, 0 insertions, 126 deletions
diff --git a/hw/rdma/rdma_utils.c b/hw/rdma/rdma_utils.c
deleted file mode 100644
index c948baf052..0000000000
--- a/hw/rdma/rdma_utils.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * QEMU paravirtual RDMA - Generic RDMA backend
- *
- * Copyright (C) 2018 Oracle
- * Copyright (C) 2018 Red Hat Inc
- *
- * Authors:
- * Yuval Shaia <yuval.shaia@oracle.com>
- * Marcel Apfelbaum <marcel@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "hw/pci/pci_device.h"
-#include "trace.h"
-#include "rdma_utils.h"
-
-void *rdma_pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t len)
-{
- void *p;
- dma_addr_t pci_len = len;
-
- if (!addr) {
- rdma_error_report("addr is NULL");
- return NULL;
- }
-
- p = pci_dma_map(dev, addr, &pci_len, DMA_DIRECTION_TO_DEVICE);
- if (!p) {
- rdma_error_report("pci_dma_map fail, addr=0x%"PRIx64", len=%"PRId64,
- addr, pci_len);
- return NULL;
- }
-
- if (pci_len != len) {
- rdma_pci_dma_unmap(dev, p, pci_len);
- return NULL;
- }
-
- trace_rdma_pci_dma_map(addr, p, pci_len);
-
- return p;
-}
-
-void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len)
-{
- trace_rdma_pci_dma_unmap(buffer);
- if (buffer) {
- pci_dma_unmap(dev, buffer, len, DMA_DIRECTION_TO_DEVICE, 0);
- }
-}
-
-void rdma_protected_gqueue_init(RdmaProtectedGQueue *list)
-{
- qemu_mutex_init(&list->lock);
- list->list = g_queue_new();
-}
-
-void rdma_protected_gqueue_destroy(RdmaProtectedGQueue *list)
-{
- if (list->list) {
- g_queue_free_full(list->list, g_free);
- qemu_mutex_destroy(&list->lock);
- list->list = NULL;
- }
-}
-
-void rdma_protected_gqueue_append_int64(RdmaProtectedGQueue *list,
- int64_t value)
-{
- qemu_mutex_lock(&list->lock);
- g_queue_push_tail(list->list, g_memdup(&value, sizeof(value)));
- qemu_mutex_unlock(&list->lock);
-}
-
-int64_t rdma_protected_gqueue_pop_int64(RdmaProtectedGQueue *list)
-{
- int64_t *valp;
- int64_t val;
-
- qemu_mutex_lock(&list->lock);
-
- valp = g_queue_pop_head(list->list);
- qemu_mutex_unlock(&list->lock);
-
- if (!valp) {
- return -ENOENT;
- }
-
- val = *valp;
- g_free(valp);
- return val;
-}
-
-void rdma_protected_gslist_init(RdmaProtectedGSList *list)
-{
- qemu_mutex_init(&list->lock);
-}
-
-void rdma_protected_gslist_destroy(RdmaProtectedGSList *list)
-{
- if (list->list) {
- g_slist_free(list->list);
- qemu_mutex_destroy(&list->lock);
- list->list = NULL;
- }
-}
-
-void rdma_protected_gslist_append_int32(RdmaProtectedGSList *list,
- int32_t value)
-{
- qemu_mutex_lock(&list->lock);
- list->list = g_slist_prepend(list->list, GINT_TO_POINTER(value));
- qemu_mutex_unlock(&list->lock);
-}
-
-void rdma_protected_gslist_remove_int32(RdmaProtectedGSList *list,
- int32_t value)
-{
- qemu_mutex_lock(&list->lock);
- list->list = g_slist_remove(list->list, GINT_TO_POINTER(value));
- qemu_mutex_unlock(&list->lock);
-}