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acpi.c: make qemu_system_device_hot_add piix independent.

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introruce piix4_device_hot_add() for piix4 specific code
and make qemu_system_device_hot_add() generic.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Isaku Yamahata 2009-06-18 19:57:00 +09:00 committed by Anthony Liguori
parent 30868442a5
commit 9d5e77a22f
4 changed files with 26 additions and 6 deletions
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20
hw/acpi.c
View File

@ -714,7 +714,9 @@ static void pciej_write(void *opaque, uint32_t addr, uint32_t val)
#endif
}
void qemu_system_hot_add_init(void)
static void piix4_device_hot_add(int bus, int slot, int state);
void piix4_acpi_system_hot_add_init(void)
{
register_ioport_write(GPE_BASE, 4, 1, gpe_writeb, &gpe);
register_ioport_read(GPE_BASE, 4, 1, gpe_readb, &gpe);
@ -724,6 +726,8 @@ void qemu_system_hot_add_init(void)
register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, NULL);
register_ioport_read(PCI_EJ_BASE, 4, 4, pciej_read, NULL);
qemu_system_device_hot_add_register(piix4_device_hot_add);
}
static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot)
@ -738,7 +742,7 @@ static void disable_device(struct pci_status *p, struct gpe_regs *g, int slot)
p->down |= (1 << slot);
}
void qemu_system_device_hot_add(int bus, int slot, int state)
static void piix4_device_hot_add(int bus, int slot, int state)
{
pci0_status.up = 0;
pci0_status.down = 0;
@ -752,6 +756,18 @@ void qemu_system_device_hot_add(int bus, int slot, int state)
}
}
static qemu_system_device_hot_add_t device_hot_add_callback;
void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback)
{
device_hot_add_callback = callback;
}
void qemu_system_device_hot_add(int pcibus, int slot, int state)
{
if (device_hot_add_callback)
device_hot_add_callback(pcibus, slot, state);
}
struct acpi_table_header
{
char signature [4]; /* ACPI signature (4 ASCII characters) */

2
hw/pc.c
View File

@ -1081,7 +1081,7 @@ static void pc_init1(ram_addr_t ram_size,
pci_nic_init(pci_bus, nd, -1, "ne2k_pci");
}
qemu_system_hot_add_init();
piix4_acpi_system_hot_add_init();
if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
fprintf(stderr, "qemu: too many IDE bus\n");

7
hw/pc.h
View File

@ -108,11 +108,14 @@ extern int acpi_enabled;
extern char *acpi_tables;
extern size_t acpi_tables_len;
void acpi_bios_init(void);
int acpi_table_add(const char *table_desc);
/* acpi_piix.c */
i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
qemu_irq sci_irq);
void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
void acpi_bios_init(void);
int acpi_table_add(const char *table_desc);
void piix4_acpi_system_hot_add_init(void);
/* hpet.c */
extern int no_hpet;

3
sysemu.h
View File

@ -194,7 +194,8 @@ extern int drive_add(const char *file, const char *fmt, ...);
extern int drive_init(struct drive_opt *arg, int snapshot, void *machine);
/* acpi */
void qemu_system_hot_add_init(void);
typedef void (*qemu_system_device_hot_add_t)(int pcibus, int slot, int state);
void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback);
void qemu_system_device_hot_add(int pcibus, int slot, int state);
/* device-hotplug */