From 3f84865ade594a2ec1ef613ab5fd11949f3d49de Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 25 Sep 2009 21:42:45 +0200 Subject: pci: windup acpi-based hotplug Switch over acpi-based PCI hotplug for pc over to the new qdev-based pci hotplugging. Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- hw/acpi.c | 41 +++++++++++++++++++++-------------------- hw/pc.c | 3 +-- hw/pc.h | 2 +- hw/pci-hotplug.c | 15 ++------------- sysemu.h | 7 +------ 5 files changed, 26 insertions(+), 42 deletions(-) diff --git a/hw/acpi.c b/hw/acpi.c index e67da6c..4373133 100644 --- a/hw/acpi.c +++ b/hw/acpi.c @@ -694,20 +694,30 @@ static uint32_t pciej_read(void *opaque, uint32_t addr) static void pciej_write(void *opaque, uint32_t addr, uint32_t val) { -#if defined (TARGET_I386) + BusState *bus = opaque; + DeviceState *qdev; + PCIDevice *dev; int slot = ffs(val) - 1; - pci_device_hot_remove_success(0, slot); + QLIST_FOREACH(qdev, &bus->children, sibling) { + dev = DO_UPCAST(PCIDevice, qdev, qdev); + if (PCI_SLOT(dev->devfn) == slot) { +#if defined (TARGET_I386) + pci_device_hot_remove_success(dev); #endif + qdev_free(qdev); + } + } + #if defined(DEBUG) printf("pciej write %x <== %d\n", addr, val); #endif } -static void piix4_device_hot_add(int bus, int slot, int state); +static int piix4_device_hotplug(PCIDevice *dev, int state); -void piix4_acpi_system_hot_add_init(void) +void piix4_acpi_system_hot_add_init(PCIBus *bus) { register_ioport_write(GPE_BASE, 4, 1, gpe_writeb, &gpe); register_ioport_read(GPE_BASE, 4, 1, gpe_readb, &gpe); @@ -715,10 +725,10 @@ void piix4_acpi_system_hot_add_init(void) register_ioport_write(PCI_BASE, 8, 4, pcihotplug_write, &pci0_status); register_ioport_read(PCI_BASE, 8, 4, pcihotplug_read, &pci0_status); - register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, NULL); - register_ioport_read(PCI_EJ_BASE, 4, 4, pciej_read, NULL); + register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, bus); + register_ioport_read(PCI_EJ_BASE, 4, 4, pciej_read, bus); - qemu_system_device_hot_add_register(piix4_device_hot_add); + pci_bus_hotplug(bus, piix4_device_hotplug); } static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot) @@ -733,8 +743,10 @@ static void disable_device(struct pci_status *p, struct gpe_regs *g, int slot) p->down |= (1 << slot); } -static void piix4_device_hot_add(int bus, int slot, int state) +static int piix4_device_hotplug(PCIDevice *dev, int state) { + int slot = PCI_SLOT(dev->devfn); + pci0_status.up = 0; pci0_status.down = 0; if (state) @@ -745,18 +757,7 @@ static void piix4_device_hot_add(int bus, int slot, int state) qemu_set_irq(pm_state->irq, 1); qemu_set_irq(pm_state->irq, 0); } -} - -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); + return 0; } struct acpi_table_header diff --git a/hw/pc.c b/hw/pc.c index 573ada6..aea0f54 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -1353,8 +1353,6 @@ static void pc_init1(ram_addr_t ram_size, pci_nic_init(nd, "e1000", NULL); } - piix4_acpi_system_hot_add_init(); - if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { fprintf(stderr, "qemu: too many IDE bus\n"); exit(1); @@ -1405,6 +1403,7 @@ static void pc_init1(ram_addr_t ram_size, qdev_prop_set_ptr(eeprom, "data", eeprom_buf + (i * 256)); qdev_init(eeprom); } + piix4_acpi_system_hot_add_init(pci_bus); } if (i440fx_state) { diff --git a/hw/pc.h b/hw/pc.h index 0cd9aee..dfcddb3 100644 --- a/hw/pc.h +++ b/hw/pc.h @@ -106,7 +106,7 @@ int acpi_table_add(const char *table_desc); 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 piix4_acpi_system_hot_add_init(void); +void piix4_acpi_system_hot_add_init(PCIBus *bus); /* hpet.c */ extern int no_hpet; diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c index 7e39bdd..990ab3b 100644 --- a/hw/pci-hotplug.c +++ b/hw/pci-hotplug.c @@ -185,8 +185,6 @@ void pci_device_hot_add(Monitor *mon, const QDict *qdict) monitor_printf(mon, "invalid type: %s\n", type); if (dev) { - qemu_system_device_hot_add(pci_bus_num(dev->bus), - PCI_SLOT(dev->devfn), 1); monitor_printf(mon, "OK domain %d, bus %d, slot %d, function %d\n", 0, pci_bus_num(dev->bus), PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); @@ -210,8 +208,7 @@ void pci_device_hot_remove(Monitor *mon, const char *pci_addr) monitor_printf(mon, "slot %d empty\n", slot); return; } - - qemu_system_device_hot_add(bus, slot, 0); + qdev_unplug(&d->qdev); } void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict) @@ -230,16 +227,10 @@ static int pci_match_fn(void *dev_private, void *arg) /* * OS has executed _EJ0 method, we now can remove the device */ -void pci_device_hot_remove_success(int pcibus, int slot) +void pci_device_hot_remove_success(PCIDevice *d) { - PCIDevice *d = pci_find_device(pcibus, slot, 0); int class_code; - if (!d) { - monitor_printf(cur_mon, "invalid slot %d\n", slot); - return; - } - class_code = d->config_read(d, PCI_CLASS_DEVICE+1, 1); switch(class_code) { @@ -250,7 +241,5 @@ void pci_device_hot_remove_success(int pcibus, int slot) destroy_nic(pci_match_fn, d); break; } - - qdev_free(&d->qdev); } diff --git a/sysemu.h b/sysemu.h index ea4e2c1..01c6431 100644 --- a/sysemu.h +++ b/sysemu.h @@ -199,11 +199,6 @@ BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type); extern QemuOpts *drive_add(const char *file, const char *fmt, ...); extern DriveInfo *drive_init(QemuOpts *arg, void *machine, int *fatal_error); -/* acpi */ -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 */ typedef int (dev_match_fn)(void *dev_private, void *arg); @@ -217,7 +212,7 @@ void pci_device_hot_add(Monitor *mon, const QDict *qdict); void drive_hot_add(Monitor *mon, const QDict *qdict); void pci_device_hot_remove(Monitor *mon, const char *pci_addr); void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict); -void pci_device_hot_remove_success(int pcibus, int slot); +void pci_device_hot_remove_success(PCIDevice *dev); /* serial ports */ -- cgit v1.1