#include <sys/ioctl.h>
#include "hw/pci/pci.h"
+#include "hw/qdev-properties.h"
#include "hw/xen/xen.h"
#include "hw/i386/pc.h"
-#include "hw/xen/xen_backend.h"
+#include "hw/xen/xen-legacy-backend.h"
#include "xen_pt.h"
#include "qemu/range.h"
#include "exec/address-spaces.h"
+static bool has_igd_gfx_passthru;
+
+bool xen_igd_gfx_pt_enabled(void)
+{
+ return has_igd_gfx_passthru;
+}
+
+void xen_igd_gfx_pt_set(bool value, Error **errp)
+{
+ has_igd_gfx_passthru = value;
+}
+
#define XEN_PT_NR_IRQS (256)
static uint8_t xen_pt_mapped_machine_irq[XEN_PT_NR_IRQS] = {0};
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);
}
args.type = d->io_regions[bar].type;
- pci_for_each_device(d->bus, pci_bus_num(d->bus),
+ pci_for_each_device(pci_get_bus(d), pci_dev_bus_num(d),
xen_pt_check_bar_overlap, &args);
if (args.rc) {
XEN_PT_WARN(d, "Region: %d (addr: %#"FMT_PCIBUS
PCIDevice *d = &s->dev;
gpu_dev_id = dev->device_id;
- igd_passthrough_isa_bridge_create(d->bus, gpu_dev_id);
+ igd_passthrough_isa_bridge_create(pci_get_bus(d), gpu_dev_id);
}
/* destroy. */
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 */);
static void xen_pt_realize(PCIDevice *d, Error **errp)
{
+ ERRP_GUARD();
XenPCIPassthroughState *s = XEN_PT_DEVICE(d);
int i, rc = 0;
uint8_t machine_irq = 0, scratch;
uint16_t cmd = 0;
int pirq = XEN_PT_UNASSIGNED_PIRQ;
- Error *err = NULL;
/* register real device */
XEN_PT_LOG(d, "Assigning real physical device %02x:%02x.%d"
xen_host_pci_device_get(&s->real_device,
s->hostaddr.domain, s->hostaddr.bus,
s->hostaddr.slot, s->hostaddr.function,
- &err);
- if (err) {
- error_append_hint(&err, "Failed to \"open\" the real pci device");
- error_propagate(errp, err);
+ errp);
+ if (*errp) {
+ error_append_hint(errp, "Failed to \"open\" the real pci device");
return;
}
return;
}
- xen_pt_setup_vga(s, &s->real_device, &err);
- if (err) {
- error_append_hint(&err, "Setup VGA BIOS of passthrough"
- " GFX failed");
- error_propagate(errp, err);
+ xen_pt_setup_vga(s, &s->real_device, errp);
+ if (*errp) {
+ error_append_hint(errp, "Setup VGA BIOS of passthrough"
+ " GFX failed");
xen_host_pci_device_put(&s->real_device);
return;
}
xen_pt_register_regions(s, &cmd);
/* reinitialize each config register to be emulated */
- xen_pt_config_init(s, &err);
- if (err) {
- error_append_hint(&err, "PCI Config space initialisation failed");
- error_report_err(err);
+ xen_pt_config_init(s, errp);
+ if (*errp) {
+ error_append_hint(errp, "PCI Config space initialisation failed");
rc = -1;
goto err_out;
}
}
machine_irq = s->real_device.irq;
+ if (machine_irq == 0) {
+ XEN_PT_LOG(d, "machine irq is 0\n");
+ cmd |= PCI_COMMAND_INTX_DISABLE;
+ goto out;
+ }
+
rc = xc_physdev_map_pirq(xen_xc, xen_domid, machine_irq, &pirq);
if (rc < 0) {
- error_setg_errno(errp, errno, "Mapping machine irq %u to"
- " pirq %i failed", machine_irq, pirq);
+ XEN_PT_ERR(d, "Mapping machine irq %u to pirq %i failed, (err: %d)\n",
+ machine_irq, pirq, errno);
/* Disable PCI intx assertion (turn on bit10 of devctl) */
cmd |= PCI_COMMAND_INTX_DISABLE;
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) {
- error_setg_errno(errp, errno, "Binding of interrupt %u failed",
- e_intx);
+ XEN_PT_ERR(d, "Binding of interrupt %i failed! (err: %d)\n",
+ e_intx, errno);
/* Disable PCI intx assertion (turn on bit10 of devctl) */
cmd |= PCI_COMMAND_INTX_DISABLE;
if (xen_pt_mapped_machine_irq[machine_irq] == 0) {
if (xc_physdev_unmap_pirq(xen_xc, xen_domid, machine_irq)) {
- error_setg_errno(errp, errno, "Unmapping of machine"
- " interrupt %u failed", machine_irq);
+ XEN_PT_ERR(d, "Unmapping of machine interrupt %i failed!"
+ " (err: %d)\n", machine_irq, errno);
}
}
s->machine_irq = 0;
}
}
- memory_listener_register(&s->memory_listener, &s->dev.bus_master_as);
+ memory_listener_register(&s->memory_listener, &address_space_memory);
memory_listener_register(&s->io_listener, &address_space_io);
s->listener_set = true;
XEN_PT_LOG(d,
DEFINE_PROP_END_OF_LIST(),
};
+static void xen_pci_passthrough_instance_init(Object *obj)
+{
+ /* QEMU_PCI_CAP_EXPRESS initialization does not depend on QEMU command
+ * line, therefore, no need to wait to realize like other devices */
+ PCI_DEVICE(obj)->cap_present |= QEMU_PCI_CAP_EXPRESS;
+}
+
static void xen_pci_passthrough_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
k->exit = xen_pt_unregister_device;
k->config_read = xen_pt_pci_read_config;
k->config_write = xen_pt_pci_write_config;
- k->is_express = 1; /* We might be */
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
dc->desc = "Assign an host PCI device with Xen";
- dc->props = xen_pci_passthrough_properties;
+ device_class_set_props(dc, xen_pci_passthrough_properties);
};
static void xen_pci_passthrough_finalize(Object *obj)
.instance_size = sizeof(XenPCIPassthroughState),
.instance_finalize = xen_pci_passthrough_finalize,
.class_init = xen_pci_passthrough_class_init,
+ .instance_init = xen_pci_passthrough_instance_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ INTERFACE_PCIE_DEVICE },
projects / qemu.git / blobdiff