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hw/pvrdma: Make sure PCI function 0 is vmxnet3

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Guest driver enforces it, we should also.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
This commit is contained in:
Yuval Shaia 2018-12-21 16:40:27 +02:00 committed by Marcel Apfelbaum
parent 317639aafd
commit d961ead16e
2 changed files with 14 additions and 0 deletions
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2
hw/rdma/vmw/pvrdma.h
View File

@ -20,6 +20,7 @@
#include "hw/pci/pci.h"
#include "hw/pci/msix.h"
#include "chardev/char-fe.h"
#include "hw/net/vmxnet3_defs.h"
#include "../rdma_backend_defs.h"
#include "../rdma_rm_defs.h"
@ -85,6 +86,7 @@ typedef struct PVRDMADev {
RdmaBackendDev backend_dev;
RdmaDeviceResources rdma_dev_res;
CharBackend mad_chr;
VMXNET3State *func0;
} PVRDMADev;
#define PVRDMA_DEV(dev) OBJECT_CHECK(PVRDMADev, (dev), PVRDMA_HW_NAME)

12
hw/rdma/vmw/pvrdma_main.c
View File

@ -565,6 +565,7 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp)
PVRDMADev *dev = PVRDMA_DEV(pdev);
Object *memdev_root;
bool ram_shared = false;
PCIDevice *func0;
init_pr_dbg();
@ -576,6 +577,17 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp)
return;
}
func0 = pci_get_function_0(pdev);
/* Break if not vmxnet3 device in slot 0 */
if (strcmp(object_get_typename(&func0->qdev.parent_obj), TYPE_VMXNET3)) {
pr_dbg("func0 type is %s\n",
object_get_typename(&func0->qdev.parent_obj));
error_setg(errp, "Device on %x.0 must be %s", PCI_SLOT(pdev->devfn),
TYPE_VMXNET3);
return;
}
dev->func0 = VMXNET3(func0);
memdev_root = object_resolve_path("/objects", NULL);
if (memdev_root) {
object_child_foreach(memdev_root, pvrdma_check_ram_shared, &ram_shared);