Commit ffa65d97 authored by Yuval Shaia's avatar Yuval Shaia Committed by Marcel Apfelbaum
Browse files

hw/pvrdma: Clean device's resource when system is shutdown 



In order to clean some external resources such as GIDs, QPs etc,
register to receive notification when VM is shutdown.

Signed-off-by: default avatarYuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: default avatarMarcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: default avatarMarcel Apfelbaum <marcel.apfelbaum@gmail.com>
parent 2dadd753

hw/rdma/vmw/pvrdma.h

+2 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#define PVRDMA_PVRDMA_H



#include "qemu/units.h"

#include "qemu/notify.h"

#include "hw/pci/pci.h"

#include "hw/pci/msix.h"

#include "chardev/char-fe.h"
@@ -87,6 +88,7 @@ typedef struct PVRDMADev { 
    RdmaDeviceResources rdma_dev_res;

    CharBackend mad_chr;

    VMXNET3State *func0;

    Notifier shutdown_notifier;

} PVRDMADev;

#define PVRDMA_DEV(dev) OBJECT_CHECK(PVRDMADev, (dev), PVRDMA_HW_NAME)

hw/rdma/vmw/pvrdma_main.c

+15 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include "hw/qdev-properties.h"

#include "cpu.h"

#include "trace.h"

#include "sysemu/sysemu.h"



#include "../rdma_rm.h"

#include "../rdma_backend.h"
@@ -334,6 +335,9 @@ static void pvrdma_fini(PCIDevice *pdev) 
    if (msix_enabled(pdev)) {

        uninit_msix(pdev, RDMA_MAX_INTRS);

    }



    pr_dbg("Device %s %x.%x is down\n", pdev->name, PCI_SLOT(pdev->devfn),

           PCI_FUNC(pdev->devfn));

}



static void pvrdma_stop(PVRDMADev *dev)
@@ -559,6 +563,14 @@ static int pvrdma_check_ram_shared(Object *obj, void *opaque) 
    return 0;

}



static void pvrdma_shutdown_notifier(Notifier *n, void *opaque)

{

    PVRDMADev *dev = container_of(n, PVRDMADev, shutdown_notifier);

    PCIDevice *pci_dev = PCI_DEVICE(dev);



    pvrdma_fini(pci_dev);

}



static void pvrdma_realize(PCIDevice *pdev, Error **errp)

{

    int rc;
@@ -632,6 +644,9 @@ static void pvrdma_realize(PCIDevice *pdev, Error **errp) 
        goto out;

    }



    dev->shutdown_notifier.notify = pvrdma_shutdown_notifier;

    qemu_register_shutdown_notifier(&dev->shutdown_notifier);



out:

    if (rc) {

        error_append_hint(errp, "Device fail to load\n");