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pci: Add pci_dev_bus_num() helper

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A fair proportion of the users of pci_bus_num() want to get the bus
number on a specific device, so first have to look up the bus from the
device then call it.  This adds a helper to do that (since we're going
to make looking up the bus slightly more verbose).

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
David Gibson 2017-11-29 19:46:26 +11:00 committed by Michael S. Tsirkin
parent 791bf3c8f0
commit cdc57472dc
7 changed files with 16 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hw/pci/pcie_aer.c
View File

@ -1025,7 +1025,7 @@ static int do_pcie_aer_inject_error(Monitor *mon,
}
details->id = id;
details->root_bus = pci_root_bus_path(dev);
details->bus = pci_bus_num(dev->bus);
details->bus = pci_dev_bus_num(dev);
details->devfn = dev->devfn;
return 0;

2
hw/s390x/s390-pci-bus.c
View File

@ -692,7 +692,7 @@ static void s390_pcihost_hot_plug(HotplugHandler *hotplug_dev,
/* In the case the PCI device does not define an id */
/* we generate one based on the PCI address */
dev->id = g_strdup_printf("auto_%02x:%02x.%01x",
pci_bus_num(pdev->bus),
pci_dev_bus_num(pdev),
PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
}

2
hw/scsi/megasas.c
View File

@ -2372,7 +2372,7 @@ static void megasas_scsi_realize(PCIDevice *dev, Error **errp)
if (!s->sas_addr) {
s->sas_addr = ((NAA_LOCALLY_ASSIGNED_ID << 24) |
IEEE_COMPANY_LOCALLY_ASSIGNED) << 36;
s->sas_addr |= (pci_bus_num(dev->bus) << 16);
s->sas_addr |= (pci_dev_bus_num(dev) << 16);
s->sas_addr |= (PCI_SLOT(dev->devfn) << 8);
s->sas_addr |= PCI_FUNC(dev->devfn);
}

2
hw/scsi/mptsas.c
View File

@ -1312,7 +1312,7 @@ static void mptsas_scsi_realize(PCIDevice *dev, Error **errp)
if (!s->sas_addr) {
s->sas_addr = ((NAA_LOCALLY_ASSIGNED_ID << 24) |
IEEE_COMPANY_LOCALLY_ASSIGNED) << 36;
s->sas_addr |= (pci_bus_num(dev->bus) << 16);
s->sas_addr |= (pci_dev_bus_num(dev) << 16);
s->sas_addr |= (PCI_SLOT(dev->devfn) << 8);
s->sas_addr |= PCI_FUNC(dev->devfn);
}

6
hw/xen/xen_pt.c
View File

@ -73,7 +73,7 @@ void xen_pt_log(const PCIDevice *d, const char *f, ...)
va_start(ap, f);
if (d) {
fprintf(stderr, "[%02x:%02x.%d] ", pci_bus_num(d->bus),
fprintf(stderr, "[%02x:%02x.%d] ", pci_dev_bus_num(d),
PCI_SLOT(d->devfn), PCI_FUNC(d->devfn));
}
vfprintf(stderr, f, ap);
@ -711,7 +711,7 @@ static void xen_pt_destroy(PCIDevice *d) {
intx = xen_pt_pci_intx(s);
rc = xc_domain_unbind_pt_irq(xen_xc, xen_domid, machine_irq,
PT_IRQ_TYPE_PCI,
pci_bus_num(d->bus),
pci_dev_bus_num(d),
PCI_SLOT(s->dev.devfn),
intx,
0 /* isa_irq */);
@ -867,7 +867,7 @@ static void xen_pt_realize(PCIDevice *d, Error **errp)
uint8_t e_intx = xen_pt_pci_intx(s);
rc = xc_domain_bind_pt_pci_irq(xen_xc, xen_domid, machine_irq,
pci_bus_num(d->bus),
pci_dev_bus_num(d),
PCI_SLOT(d->devfn),
e_intx);
if (rc < 0) {

5
include/hw/pci/pci.h
View File

@ -436,6 +436,11 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus,
PCIDevice *pci_vga_init(PCIBus *bus);
int pci_bus_num(PCIBus *s);
static inline int pci_dev_bus_num(const PCIDevice *dev)
{
return pci_bus_num(dev->bus);
}
int pci_bus_numa_node(PCIBus *bus);
void pci_for_each_device(PCIBus *bus, int bus_num,
void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque),

8
include/hw/xen/xen_common.h
View File

@ -542,10 +542,10 @@ static inline void xen_map_pcidev(domid_t dom,
return;
}
trace_xen_map_pcidev(ioservid, pci_bus_num(pci_dev->bus),
trace_xen_map_pcidev(ioservid, pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
xendevicemodel_map_pcidev_to_ioreq_server(xen_dmod, dom, ioservid, 0,
pci_bus_num(pci_dev->bus),
pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn));
}
@ -558,10 +558,10 @@ static inline void xen_unmap_pcidev(domid_t dom,
return;
}
trace_xen_unmap_pcidev(ioservid, pci_bus_num(pci_dev->bus),
trace_xen_unmap_pcidev(ioservid, pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn));
xendevicemodel_unmap_pcidev_from_ioreq_server(xen_dmod, dom, ioservid, 0,
pci_bus_num(pci_dev->bus),
pci_dev_bus_num(pci_dev),
PCI_SLOT(pci_dev->devfn),
PCI_FUNC(pci_dev->devfn));
}