This patch replaces all register_ioport* with the new memory API. It permits to use the new Memory stuff like listener.
Signed-off-by: Julien Grall <julien.gr...@citrix.com> --- hw/acpi_piix4.c | 145 +++++++++++++++++++++++++++++++++++++++++++------------ 1 files changed, 113 insertions(+), 32 deletions(-) diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c index 0b4ad24..cd70610 100644 --- a/hw/acpi_piix4.c +++ b/hw/acpi_piix4.c @@ -41,10 +41,10 @@ #define GPE_BASE 0xafe0 #define GPE_LEN 4 -#define PCI_UP_BASE 0xae00 -#define PCI_DOWN_BASE 0xae04 +#define PCI_BASE 0xae00 #define PCI_EJ_BASE 0xae08 #define PCI_RMV_BASE 0xae0c +#define PM_BASE 0x00 #define PIIX4_PCI_HOTPLUG_STATUS 2 @@ -55,7 +55,7 @@ struct pci_status { typedef struct PIIX4PMState { PCIDevice dev; - IORange ioport; + MemoryRegion pm_io; ACPIREGS ar; APMState apm; @@ -64,6 +64,11 @@ typedef struct PIIX4PMState { uint32_t smb_io_base; MemoryRegion smb_io; + MemoryRegion acpi_io; + MemoryRegion acpi_hot_io; + PortioList pci_hot_port_list; + MemoryRegion pciej_hot_io; + MemoryRegion pcirmv_hot_io; qemu_irq irq; qemu_irq smi_irq; @@ -110,10 +115,10 @@ static void pm_tmr_timer(ACPIREGS *ar) pm_update_sci(s); } -static void pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width, - uint64_t val) +static void pm_ioport_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned width) { - PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); + PIIX4PMState *s = opaque; if (width != 2) { PIIX4_DPRINTF("PM write port=0x%04x width=%d val=0x%08x\n", @@ -139,11 +144,11 @@ static void pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width, (unsigned int)val); } -static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width, - uint64_t *data) +static uint64_t pm_ioport_read(void *opaque, target_phys_addr_t addr, + unsigned width) { - PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); - uint32_t val; + PIIX4PMState *s = opaque; + uint64_t val; switch(addr) { case 0x00: @@ -163,12 +168,18 @@ static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width, break; } PIIX4_DPRINTF("PM readw port=0x%04x val=0x%04x\n", (unsigned int)addr, val); - *data = val; + + return val; } -static const IORangeOps pm_iorange_ops = { +static const MemoryRegionOps pm_io_ops = { .read = pm_ioport_read, .write = pm_ioport_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 2, + .max_access_size = 2, + }, }; static void apm_ctrl_changed(uint32_t val, void *arg) @@ -185,7 +196,8 @@ static void apm_ctrl_changed(uint32_t val, void *arg) } } -static void acpi_dbg_writel(void *opaque, uint32_t addr, uint32_t val) +static void acpi_dbg_writel(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) { PIIX4_DPRINTF("ACPI: DBG: 0x%08x\n", val); } @@ -200,8 +212,11 @@ static void pm_io_space_update(PIIX4PMState *s) /* XXX: need to improve memory and ioport allocation */ PIIX4_DPRINTF("PM: mapping to 0x%x\n", pm_io_base); - iorange_init(&s->ioport, &pm_iorange_ops, pm_io_base, 64); - ioport_register(&s->ioport); + + memory_region_set_address(&s->pm_io, pm_io_base); + memory_region_set_enabled(&s->pm_io, true); + } else { + memory_region_set_enabled(&s->pm_io, false); } } @@ -395,6 +410,15 @@ static const MemoryRegionOps smb_io_ops = { }, }; +static const MemoryRegionOps acpi_io_ops = { + .write = acpi_dbg_writel, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + static int piix4_pm_initfn(PCIDevice *dev) { PIIX4PMState *s = DO_UPCAST(PIIX4PMState, dev, dev); @@ -409,7 +433,9 @@ static int piix4_pm_initfn(PCIDevice *dev) /* APM */ apm_init(dev, &s->apm, apm_ctrl_changed, s); - register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s); + memory_region_init_io(&s->acpi_io, &acpi_io_ops, s, "piix4-acpi", 4); + memory_region_add_subregion(pci_address_space_io(dev), ACPI_DBG_IO_ADDR, + &s->acpi_io); if (s->kvm_enabled) { /* Mark SMM as already inited to prevent SMM from running. KVM does not @@ -427,6 +453,12 @@ static int piix4_pm_initfn(PCIDevice *dev) memory_region_add_subregion(pci_address_space_io(dev), s->smb_io_base, &s->smb_io); + /* PM */ + memory_region_init_io(&s->pm_io, &pm_io_ops, s, "piix4-pm", 64); + memory_region_set_enabled(&s->pm_io, false); + memory_region_add_subregion(pci_address_space_io(&s->dev), + PM_BASE, &s->pm_io); + acpi_pm_tmr_init(&s->ar, pm_tmr_timer); acpi_gpe_init(&s->ar, GPE_LEN); @@ -510,16 +542,17 @@ static void piix4_pm_register_types(void) type_init(piix4_pm_register_types) -static uint32_t gpe_readb(void *opaque, uint32_t addr) +static uint64_t gpe_readb(void *opaque, target_phys_addr_t addr, unsigned size) { PIIX4PMState *s = opaque; - uint32_t val = acpi_gpe_ioport_readb(&s->ar, addr); + uint64_t val = acpi_gpe_ioport_readb(&s->ar, addr); PIIX4_DPRINTF("gpe read %x == %x\n", addr, val); return val; } -static void gpe_writeb(void *opaque, uint32_t addr, uint32_t val) +static void gpe_writeb(void *opaque, target_phys_addr_t addr, uint64_t val, + unsigned size) { PIIX4PMState *s = opaque; @@ -551,21 +584,24 @@ static uint32_t pci_down_read(void *opaque, uint32_t addr) return val; } -static uint32_t pci_features_read(void *opaque, uint32_t addr) +static uint64_t pci_features_read(void *opaque, target_phys_addr_t addr, + unsigned size) { /* No feature defined yet */ PIIX4_DPRINTF("pci_features_read %x\n", 0); return 0; } -static void pciej_write(void *opaque, uint32_t addr, uint32_t val) +static void pciej_write(void *opaque, target_phys_addr_t addr, uint64_t val, + unsigned size) { acpi_piix_eject_slot(opaque, val); PIIX4_DPRINTF("pciej write %x <== %d\n", addr, val); } -static uint32_t pcirmv_read(void *opaque, uint32_t addr) +static uint64_t pcirmv_read(void *opaque, target_phys_addr_t addr, + unsigned size) { PIIX4PMState *s = opaque; @@ -575,20 +611,65 @@ static uint32_t pcirmv_read(void *opaque, uint32_t addr) static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev, PCIHotplugState state); -static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s) -{ +static const MemoryRegionOps acpi_hot_io_ops = { + .read = gpe_readb, + .write = gpe_writeb, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, +}; - register_ioport_write(GPE_BASE, GPE_LEN, 1, gpe_writeb, s); - register_ioport_read(GPE_BASE, GPE_LEN, 1, gpe_readb, s); - acpi_gpe_blk(&s->ar, GPE_BASE); +/* PCI hot plug registers */ +static const MemoryRegionPortio pci_hot_portio_list[] = { + { 0x00, 4, 4, .read = pci_up_read, }, /* 0xae00 */ + { 0x04, 4, 4, .read = pci_down_read, }, /* 0xae04 */ + PORTIO_END_OF_LIST(), +}; - register_ioport_read(PCI_UP_BASE, 4, 4, pci_up_read, s); - register_ioport_read(PCI_DOWN_BASE, 4, 4, pci_down_read, s); +static const MemoryRegionOps pciej_hot_io_ops = { + .read = pci_features_read, + .write = pciej_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static const MemoryRegionOps pcirmv_hot_io_ops = { + .read = pcirmv_read, + .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; - register_ioport_write(PCI_EJ_BASE, 4, 4, pciej_write, s); - register_ioport_read(PCI_EJ_BASE, 4, 4, pci_features_read, s); +static void piix4_acpi_system_hot_add_init(PCIBus *bus, PIIX4PMState *s) +{ - register_ioport_read(PCI_RMV_BASE, 4, 4, pcirmv_read, s); + memory_region_init_io(&s->acpi_hot_io, &acpi_hot_io_ops, s, + "piix4-acpi-hot", GPE_LEN); + memory_region_add_subregion(pci_address_space_io(&s->dev), GPE_BASE, + &s->acpi_hot_io); + acpi_gpe_blk(&s->ar, 0); + + portio_list_init(&s->pci_hot_port_list, pci_hot_portio_list, s, + "piix4-pci-hot"); + portio_list_add(&s->pci_hot_port_list, pci_address_space_io(&s->dev), + PCI_BASE); + + memory_region_init_io(&s->pciej_hot_io, &pciej_hot_io_ops, s, + "piix4-pciej-hot", 4); + memory_region_add_subregion(pci_address_space_io(&s->dev), PCI_EJ_BASE, + &s->pciej_hot_io); + + memory_region_init_io(&s->pcirmv_hot_io, &pcirmv_hot_io_ops, s, + "piix4-pcirmv-hot", 4); + memory_region_add_subregion(pci_address_space_io(&s->dev), PCI_RMV_BASE, + &s->pcirmv_hot_io); pci_bus_hotplug(bus, piix4_device_hotplug, &s->dev.qdev); } -- Julien Grall