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PCI qdev support 

Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:07 +01:00
parent 4d6ae6741e
commit 6b1b92d35b
2 changed files with 56 additions and 7 deletions
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55
hw/pci.c
View File

@ -237,13 +237,11 @@ int pci_assign_devaddr(const char *addr, int *domp, int *busp, unsigned *slotp)
}
/* -1 for devfn means auto assign */
PCIDevice *pci_register_device(PCIBus *bus, const char *name,
int instance_size, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write)
static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
const char *name, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write)
{
PCIDevice *pci_dev;
if (pci_irq_index >= PCI_DEVICES_MAX)
return NULL;
@ -255,7 +253,6 @@ PCIDevice *pci_register_device(PCIBus *bus, const char *name,
return NULL;
found: ;
}
pci_dev = qemu_mallocz(instance_size);
pci_dev->bus = bus;
pci_dev->devfn = devfn;
pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
@ -274,6 +271,18 @@ PCIDevice *pci_register_device(PCIBus *bus, const char *name,
return pci_dev;
}
PCIDevice *pci_register_device(PCIBus *bus, const char *name,
int instance_size, int devfn,
PCIConfigReadFunc *config_read,
PCIConfigWriteFunc *config_write)
{
PCIDevice *pci_dev;
pci_dev = qemu_mallocz(instance_size);
pci_dev = do_pci_register_device(pci_dev, bus, name, devfn,
config_read, config_write);
return pci_dev;
}
static target_phys_addr_t pci_to_cpu_addr(target_phys_addr_t addr)
{
return addr + pci_mem_base;
@ -891,3 +900,35 @@ PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did,
s->bus = pci_register_secondary_bus(&s->dev, map_irq);
return s->bus;
}
static void pci_qdev_init(DeviceState *qdev, void *opaque)
{
PCIDevice *pci_dev = (PCIDevice *)qdev;
pci_qdev_initfn init;
PCIBus *bus;
int devfn;
init = opaque;
bus = qdev_get_bus(qdev);
devfn = qdev_get_prop_int(qdev, "devfn", -1);
pci_dev = do_pci_register_device(pci_dev, bus, "FIXME", devfn,
NULL, NULL);//FIXME:config_read, config_write);
assert(pci_dev);
init(pci_dev);
}
void pci_qdev_register(const char *name, int size, pci_qdev_initfn init)
{
qdev_register(name, size, pci_qdev_init, init);
}
PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
{
DeviceState *dev;
dev = qdev_create(bus, name);
qdev_set_prop_int(dev, "devfn", devfn);
qdev_init(dev);
return (PCIDevice *)dev;
}

8
hw/pci.h
View File

@ -3,6 +3,8 @@
#include "qemu-common.h"
#include "qdev.h"
/* PCI includes legacy ISA access. */
#include "isa.h"
@ -138,6 +140,7 @@ typedef struct PCIIORegion {
#define PCI_COMMAND_RESERVED_MASK_HI (PCI_COMMAND_RESERVED >> 8)
struct PCIDevice {
DeviceState qdev;
/* PCI config space */
uint8_t config[256];
@ -217,6 +220,11 @@ pci_config_set_class(uint8_t *pci_config, uint16_t val)
cpu_to_le16wu((uint16_t *)&pci_config[PCI_CLASS_DEVICE], val);
}
typedef void (*pci_qdev_initfn)(PCIDevice *dev);
void pci_qdev_register(const char *name, int size, pci_qdev_initfn init);
PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
/* lsi53c895a.c */
#define LSI_MAX_DEVS 7
void lsi_scsi_attach(void *opaque, BlockDriverState *bd, int id);