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hw/rdma: Introduce protected qlist

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To make code more readable move handling of protected list to a
rdma_utils

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <1552300155-25216-3-git-send-email-yuval.shaia@oracle.com>
Reviewed-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
This commit is contained in:
Yuval Shaia 2019-03-11 03:29:06 -07:00 • committed by Marcel Apfelbaum
parent 4d71b38ae8
commit b20fc79510
4 changed files with 55 additions and 21 deletions
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39
hw/rdma/rdma_utils.c
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@ -14,6 +14,8 @@
*/
#include "qemu/osdep.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qnum.h"
#include "trace.h"
#include "rdma_utils.h"
@ -51,3 +53,40 @@ void rdma_pci_dma_unmap(PCIDevice *dev, void *buffer, dma_addr_t len)
pci_dma_unmap(dev, buffer, len, DMA_DIRECTION_TO_DEVICE, 0);
}
}
void rdma_protected_qlist_init(RdmaProtectedQList *list)
{
qemu_mutex_init(&list->lock);
list->list = qlist_new();
}
void rdma_protected_qlist_destroy(RdmaProtectedQList *list)
{
if (list->list) {
qlist_destroy_obj(QOBJECT(list->list));
qemu_mutex_destroy(&list->lock);
list->list = NULL;
}
}
void rdma_protected_qlist_append_int64(RdmaProtectedQList *list, int64_t value)
{
qemu_mutex_lock(&list->lock);
qlist_append_int(list->list, value);
qemu_mutex_unlock(&list->lock);
}
int64_t rdma_protected_qlist_pop_int64(RdmaProtectedQList *list)
{
QObject *obj;
qemu_mutex_lock(&list->lock);
obj = qlist_pop(list->list);
qemu_mutex_unlock(&list->lock);
if (!obj) {
return -ENOENT;
}
return qnum_get_uint(qobject_to(QNum, obj));
}