From 61d9d6b091aa04e5e5bd20951aa689a5bbe65aed Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Thu, 16 Dec 2010 15:54:06 +0000 Subject: ide: Register vm change state handler once only We register the vm change state handler in a PCI BAR map() function. This function can be called multiple times throughout the lifetime of a PCI IDE device. This results in duplicate vm change state handlers being register, none of which are ever unregistered. Instead, register the vm change state handler in the device's init function once and for all. piix tested, cmd646 and via not tested. Signed-off-by: Stefan Hajnoczi Signed-off-by: Kevin Wolf --- hw/ide/piix.c | 34 ++++++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 10 deletions(-) (limited to 'hw/ide/piix.c') diff --git a/hw/ide/piix.c b/hw/ide/piix.c index a6b5d92820..1cad9066a0 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -76,10 +76,6 @@ static void bmdma_map(PCIDevice *pci_dev, int region_num, for(i = 0;i < 2; i++) { BMDMAState *bm = &d->bmdma[i]; - bmdma_init(&d->bus[i], bm); - bm->bus = d->bus+i; - qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb, - &bm->dma); register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); @@ -112,6 +108,29 @@ static void piix3_reset(void *opaque) pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ } +static void pci_piix_init_ports(PCIIDEState *d) { + int i; + struct { + int iobase; + int iobase2; + int isairq; + } port_info[] = { + {0x1f0, 0x3f6, 14}, + {0x170, 0x376, 15}, + }; + + for (i = 0; i < 2; i++) { + ide_bus_new(&d->bus[i], &d->dev.qdev, i); + ide_init_ioport(&d->bus[i], port_info[i].iobase, port_info[i].iobase2); + ide_init2(&d->bus[i], isa_reserve_irq(port_info[i].isairq)); + + bmdma_init(&d->bus[i], &d->bmdma[i]); + d->bmdma[i].bus = &d->bus[i]; + qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb, + &d->bmdma[i].dma); + } +} + static int pci_piix_ide_initfn(PCIIDEState *d) { uint8_t *pci_conf = d->dev.config; @@ -125,13 +144,8 @@ static int pci_piix_ide_initfn(PCIIDEState *d) vmstate_register(&d->dev.qdev, 0, &vmstate_ide_pci, d); - ide_bus_new(&d->bus[0], &d->dev.qdev, 0); - ide_bus_new(&d->bus[1], &d->dev.qdev, 1); - ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); - ide_init_ioport(&d->bus[1], 0x170, 0x376); + pci_piix_init_ports(d); - ide_init2(&d->bus[0], isa_reserve_irq(14)); - ide_init2(&d->bus[1], isa_reserve_irq(15)); return 0; } -- cgit 1.4.1