* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/i386/pc.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
#include "hw/isa/isa.h"
#include "hw/sysbus.h"
+#include "qapi/error.h"
#include "qemu/range.h"
#include "hw/xen/xen.h"
#include "hw/pci-host/pam.h"
typedef struct I440FXState {
PCIHostState parent_obj;
- PcPciInfo pci_info;
+ Range pci_hole;
uint64_t pci_hole64_size;
uint32_t short_root_bus;
} I440FXState;
#define XEN_PIIX_NUM_PIRQS 128ULL
#define PIIX_PIRQC 0x60
-/*
- * Reset Control Register: PCI-accessible ISA-Compatible Register at address
- * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
- */
-#define RCR_IOPORT 0xcf9
-
typedef struct PIIX3State {
PCIDevice dev;
};
static void i440fx_pcihost_get_pci_hole_start(Object *obj, Visitor *v,
- void *opaque, const char *name,
+ const char *name, void *opaque,
Error **errp)
{
I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
- uint32_t value = s->pci_info.w32.begin;
+ uint64_t val64;
+ uint32_t value;
- visit_type_uint32(v, &value, name, errp);
+ val64 = range_is_empty(&s->pci_hole) ? 0 : range_lob(&s->pci_hole);
+ value = val64;
+ assert(value == val64);
+ visit_type_uint32(v, name, &value, errp);
}
static void i440fx_pcihost_get_pci_hole_end(Object *obj, Visitor *v,
- void *opaque, const char *name,
+ const char *name, void *opaque,
Error **errp)
{
I440FXState *s = I440FX_PCI_HOST_BRIDGE(obj);
- uint32_t value = s->pci_info.w32.end;
+ uint64_t val64;
+ uint32_t value;
- visit_type_uint32(v, &value, name, errp);
+ val64 = range_is_empty(&s->pci_hole) ? 0 : range_upb(&s->pci_hole) + 1;
+ value = val64;
+ assert(value == val64);
+ visit_type_uint32(v, name, &value, errp);
}
static void i440fx_pcihost_get_pci_hole64_start(Object *obj, Visitor *v,
- void *opaque, const char *name,
- Error **errp)
+ const char *name,
+ void *opaque, Error **errp)
{
PCIHostState *h = PCI_HOST_BRIDGE(obj);
Range w64;
+ uint64_t value;
pci_bus_get_w64_range(h->bus, &w64);
-
- visit_type_uint64(v, &w64.begin, name, errp);
+ value = range_is_empty(&w64) ? 0 : range_lob(&w64);
+ visit_type_uint64(v, name, &value, errp);
}
static void i440fx_pcihost_get_pci_hole64_end(Object *obj, Visitor *v,
- void *opaque, const char *name,
+ const char *name, void *opaque,
Error **errp)
{
PCIHostState *h = PCI_HOST_BRIDGE(obj);
Range w64;
+ uint64_t value;
pci_bus_get_w64_range(h->bus, &w64);
-
- visit_type_uint64(v, &w64.end, name, errp);
+ value = range_is_empty(&w64) ? 0 : range_upb(&w64) + 1;
+ visit_type_uint64(v, name, &value, errp);
}
static void i440fx_pcihost_initfn(Object *obj)
{
PCIHostState *s = PCI_HOST_BRIDGE(obj);
- I440FXState *d = I440FX_PCI_HOST_BRIDGE(obj);
memory_region_init_io(&s->conf_mem, obj, &pci_host_conf_le_ops, s,
"pci-conf-idx", 4);
memory_region_init_io(&s->data_mem, obj, &pci_host_data_le_ops, s,
"pci-conf-data", 4);
- object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "int",
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_START, "uint32",
i440fx_pcihost_get_pci_hole_start,
NULL, NULL, NULL, NULL);
- object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "int",
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE_END, "uint32",
i440fx_pcihost_get_pci_hole_end,
NULL, NULL, NULL, NULL);
- object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "int",
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_START, "uint64",
i440fx_pcihost_get_pci_hole64_start,
NULL, NULL, NULL, NULL);
- object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "int",
+ object_property_add(obj, PCI_HOST_PROP_PCI_HOLE64_END, "uint64",
i440fx_pcihost_get_pci_hole64_end,
NULL, NULL, NULL, NULL);
-
- d->pci_info.w32.end = IO_APIC_DEFAULT_ADDRESS;
}
static void i440fx_pcihost_realize(DeviceState *dev, Error **errp)
f->ram_memory = ram_memory;
i440fx = I440FX_PCI_HOST_BRIDGE(dev);
- i440fx->pci_info.w32.begin = below_4g_mem_size;
+ range_set_bounds(&i440fx->pci_hole, below_4g_mem_size,
+ IO_APIC_DEFAULT_ADDRESS - 1);
/* setup pci memory mapping */
pc_pci_as_mapping_init(OBJECT(f), f->system_memory,
PIIX3State *d = opaque;
if (val & 4) {
- qemu_system_reset_request();
+ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
return;
}
d->rcr = val & 2; /* keep System Reset type only */
{
PIIX3State *d = PIIX3_PCI_DEVICE(dev);
- isa_bus_new(DEVICE(d), get_system_memory(),
- pci_address_space_io(dev));
+ if (!isa_bus_new(DEVICE(d), get_system_memory(),
+ pci_address_space_io(dev), errp)) {
+ return;
+ }
memory_region_init_io(&d->rcr_mem, OBJECT(dev), &rcr_ops, d,
"piix3-reset-control", 1);
* Reason: part of PIIX3 southbridge, needs to be wired up by
* pc_piix.c's pc_init1()
*/
- dc->cannot_instantiate_with_device_add_yet = true;
+ dc->user_creatable = false;
}
static const TypeInfo piix3_pci_type_info = {
* PCI-facing part of the host bridge, not usable without the
* host-facing part, which can't be device_add'ed, yet.
*/
- dc->cannot_instantiate_with_device_add_yet = true;
+ dc->user_creatable = false;
dc->hotpluggable = false;
}
{0xa8, 4}, /* SNB: base of GTT stolen memory */
};
-static int host_pci_config_read(int pos, int len, uint32_t val)
+static int host_pci_config_read(int pos, int len, uint32_t *val)
{
char path[PATH_MAX];
int config_fd;
ret = -errno;
goto out;
}
+
do {
- rc = read(config_fd, (uint8_t *)&val, len);
+ rc = read(config_fd, (uint8_t *)val, len);
} while (rc < 0 && (errno == EINTR || errno == EAGAIN));
if (rc != len) {
ret = -errno;
}
+
out:
close(config_fd);
return ret;
for (i = 0; i < num; i++) {
pos = igd_host_bridge_infos[i].offset;
len = igd_host_bridge_infos[i].len;
- rc = host_pci_config_read(pos, len, val);
+ rc = host_pci_config_read(pos, len, &val);
if (rc) {
return -ENODEV;
}
dc->realize = i440fx_pcihost_realize;
dc->fw_name = "pci";
dc->props = i440fx_props;
+ /* Reason: needs to be wired up by pc_init1 */
+ dc->user_creatable = false;
}
static const TypeInfo i440fx_pcihost_info = {
projects / qemu.git / blobdiff