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hw/arm/virt: Simplify by moving the gic in the machine state

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Make the gic a field in the machine state, and instead of filling
an array of qemu_irq and passing it around, directly call
qdev_get_gpio_in() on the gic field.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Message-id: 20191209090306.20433-1-philmd@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2019-12-09 10:03:06 +01:00 committed by Peter Maydell
parent e04c13cdcf
commit b8b69f4c45
2 changed files with 55 additions and 55 deletions
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109
hw/arm/virt.c
View File

@ -531,7 +531,7 @@ static void fdt_add_pmu_nodes(const VirtMachineState *vms)
}
}
static inline DeviceState *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic)
static inline DeviceState *create_acpi_ged(VirtMachineState *vms)
{
DeviceState *dev;
MachineState *ms = MACHINE(vms);
@ -547,14 +547,14 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic)
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, vms->memmap[VIRT_ACPI_GED].base);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, vms->memmap[VIRT_PCDIMM_ACPI].base);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irq]);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(vms->gic, irq));
qdev_init_nofail(dev);
return dev;
}
static void create_its(VirtMachineState *vms, DeviceState *gicdev)
static void create_its(VirtMachineState *vms)
{
const char *itsclass = its_class_name();
DeviceState *dev;
@ -566,7 +566,7 @@ static void create_its(VirtMachineState *vms, DeviceState *gicdev)
dev = qdev_create(NULL, itsclass);
object_property_set_link(OBJECT(dev), OBJECT(gicdev), "parent-gicv3",
object_property_set_link(OBJECT(dev), OBJECT(vms->gic), "parent-gicv3",
&error_abort);
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, vms->memmap[VIRT_GIC_ITS].base);
@ -574,7 +574,7 @@ static void create_its(VirtMachineState *vms, DeviceState *gicdev)
fdt_add_its_gic_node(vms);
}
static void create_v2m(VirtMachineState *vms, qemu_irq *pic)
static void create_v2m(VirtMachineState *vms)
{
int i;
int irq = vms->irqmap[VIRT_GIC_V2M];
@ -587,17 +587,17 @@ static void create_v2m(VirtMachineState *vms, qemu_irq *pic)
qdev_init_nofail(dev);
for (i = 0; i < NUM_GICV2M_SPIS; i++) {
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i,
qdev_get_gpio_in(vms->gic, irq + i));
}
fdt_add_v2m_gic_node(vms);
}
static void create_gic(VirtMachineState *vms, qemu_irq *pic)
static void create_gic(VirtMachineState *vms)
{
MachineState *ms = MACHINE(vms);
/* We create a standalone GIC */
DeviceState *gicdev;
SysBusDevice *gicbusdev;
const char *gictype;
int type = vms->gic_version, i;
@ -606,15 +606,15 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic)
gictype = (type == 3) ? gicv3_class_name() : gic_class_name();
gicdev = qdev_create(NULL, gictype);
qdev_prop_set_uint32(gicdev, "revision", type);
qdev_prop_set_uint32(gicdev, "num-cpu", smp_cpus);
vms->gic = qdev_create(NULL, gictype);
qdev_prop_set_uint32(vms->gic, "revision", type);
qdev_prop_set_uint32(vms->gic, "num-cpu", smp_cpus);
/* Note that the num-irq property counts both internal and external
* interrupts; there are always 32 of the former (mandated by GIC spec).
*/
qdev_prop_set_uint32(gicdev, "num-irq", NUM_IRQS + 32);
qdev_prop_set_uint32(vms->gic, "num-irq", NUM_IRQS + 32);
if (!kvm_irqchip_in_kernel()) {
qdev_prop_set_bit(gicdev, "has-security-extensions", vms->secure);
qdev_prop_set_bit(vms->gic, "has-security-extensions", vms->secure);
}
if (type == 3) {
@ -624,25 +624,25 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic)
nb_redist_regions = virt_gicv3_redist_region_count(vms);
qdev_prop_set_uint32(gicdev, "len-redist-region-count",
qdev_prop_set_uint32(vms->gic, "len-redist-region-count",
nb_redist_regions);
qdev_prop_set_uint32(gicdev, "redist-region-count[0]", redist0_count);
qdev_prop_set_uint32(vms->gic, "redist-region-count[0]", redist0_count);
if (nb_redist_regions == 2) {
uint32_t redist1_capacity =
vms->memmap[VIRT_HIGH_GIC_REDIST2].size / GICV3_REDIST_SIZE;
qdev_prop_set_uint32(gicdev, "redist-region-count[1]",
qdev_prop_set_uint32(vms->gic, "redist-region-count[1]",
MIN(smp_cpus - redist0_count, redist1_capacity));
}
} else {
if (!kvm_irqchip_in_kernel()) {
qdev_prop_set_bit(gicdev, "has-virtualization-extensions",
qdev_prop_set_bit(vms->gic, "has-virtualization-extensions",
vms->virt);
}
}
qdev_init_nofail(gicdev);
gicbusdev = SYS_BUS_DEVICE(gicdev);
qdev_init_nofail(vms->gic);
gicbusdev = SYS_BUS_DEVICE(vms->gic);
sysbus_mmio_map(gicbusdev, 0, vms->memmap[VIRT_GIC_DIST].base);
if (type == 3) {
sysbus_mmio_map(gicbusdev, 1, vms->memmap[VIRT_GIC_REDIST].base);
@ -678,23 +678,23 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic)
for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
qdev_connect_gpio_out(cpudev, irq,
qdev_get_gpio_in(gicdev,
qdev_get_gpio_in(vms->gic,
ppibase + timer_irq[irq]));
}
if (type == 3) {
qemu_irq irq = qdev_get_gpio_in(gicdev,
qemu_irq irq = qdev_get_gpio_in(vms->gic,
ppibase + ARCH_GIC_MAINT_IRQ);
qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
0, irq);
} else if (vms->virt) {
qemu_irq irq = qdev_get_gpio_in(gicdev,
qemu_irq irq = qdev_get_gpio_in(vms->gic,
ppibase + ARCH_GIC_MAINT_IRQ);
sysbus_connect_irq(gicbusdev, i + 4 * smp_cpus, irq);
}
qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
qdev_get_gpio_in(gicdev, ppibase
qdev_get_gpio_in(vms->gic, ppibase
+ VIRTUAL_PMU_IRQ));
sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
@ -706,20 +706,16 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic)
qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
}
for (i = 0; i < NUM_IRQS; i++) {
pic[i] = qdev_get_gpio_in(gicdev, i);
}
fdt_add_gic_node(vms);
if (type == 3 && vms->its) {
create_its(vms, gicdev);
create_its(vms);
} else if (type == 2) {
create_v2m(vms, pic);
create_v2m(vms);
}
}
static void create_uart(const VirtMachineState *vms, qemu_irq *pic, int uart,
static void create_uart(const VirtMachineState *vms, int uart,
MemoryRegion *mem, Chardev *chr)
{
char *nodename;
@ -735,7 +731,7 @@ static void create_uart(const VirtMachineState *vms, qemu_irq *pic, int uart,
qdev_init_nofail(dev);
memory_region_add_subregion(mem, base,
sysbus_mmio_get_region(s, 0));
sysbus_connect_irq(s, 0, pic[irq]);
sysbus_connect_irq(s, 0, qdev_get_gpio_in(vms->gic, irq));
nodename = g_strdup_printf("/pl011@%" PRIx64, base);
qemu_fdt_add_subnode(vms->fdt, nodename);
@ -767,7 +763,7 @@ static void create_uart(const VirtMachineState *vms, qemu_irq *pic, int uart,
g_free(nodename);
}
static void create_rtc(const VirtMachineState *vms, qemu_irq *pic)
static void create_rtc(const VirtMachineState *vms)
{
char *nodename;
hwaddr base = vms->memmap[VIRT_RTC].base;
@ -775,7 +771,7 @@ static void create_rtc(const VirtMachineState *vms, qemu_irq *pic)
int irq = vms->irqmap[VIRT_RTC];
const char compat[] = "arm,pl031\0arm,primecell";
sysbus_create_simple("pl031", base, pic[irq]);
sysbus_create_simple("pl031", base, qdev_get_gpio_in(vms->gic, irq));
nodename = g_strdup_printf("/pl031@%" PRIx64, base);
qemu_fdt_add_subnode(vms->fdt, nodename);
@ -803,7 +799,7 @@ static void virt_powerdown_req(Notifier *n, void *opaque)
}
}
static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
static void create_gpio(const VirtMachineState *vms)
{
char *nodename;
DeviceState *pl061_dev;
@ -812,7 +808,8 @@ static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
int irq = vms->irqmap[VIRT_GPIO];
const char compat[] = "arm,pl061\0arm,primecell";
pl061_dev = sysbus_create_simple("pl061", base, pic[irq]);
pl061_dev = sysbus_create_simple("pl061", base,
qdev_get_gpio_in(vms->gic, irq));
uint32_t phandle = qemu_fdt_alloc_phandle(vms->fdt);
nodename = g_strdup_printf("/pl061@%" PRIx64, base);
@ -846,7 +843,7 @@ static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
g_free(nodename);
}
static void create_virtio_devices(const VirtMachineState *vms, qemu_irq *pic)
static void create_virtio_devices(const VirtMachineState *vms)
{
int i;
hwaddr size = vms->memmap[VIRT_MMIO].size;
@ -882,7 +879,8 @@ static void create_virtio_devices(const VirtMachineState *vms, qemu_irq *pic)
int irq = vms->irqmap[VIRT_MMIO] + i;
hwaddr base = vms->memmap[VIRT_MMIO].base + i * size;
sysbus_create_simple("virtio-mmio", base, pic[irq]);
sysbus_create_simple("virtio-mmio", base,
qdev_get_gpio_in(vms->gic, irq));
}
/* We add dtb nodes in reverse order so that they appear in the finished
@ -1131,7 +1129,7 @@ static void create_pcie_irq_map(const VirtMachineState *vms,
0x7 /* PCI irq */);
}
static void create_smmu(const VirtMachineState *vms, qemu_irq *pic,
static void create_smmu(const VirtMachineState *vms,
PCIBus *bus)
{
char *node;
@ -1154,7 +1152,8 @@ static void create_smmu(const VirtMachineState *vms, qemu_irq *pic,
qdev_init_nofail(dev);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
for (i = 0; i < NUM_SMMU_IRQS; i++) {
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i,
qdev_get_gpio_in(vms->gic, irq + i));
}
node = g_strdup_printf("/smmuv3@%" PRIx64, base);
@ -1181,7 +1180,7 @@ static void create_smmu(const VirtMachineState *vms, qemu_irq *pic,
g_free(node);
}
static void create_pcie(VirtMachineState *vms, qemu_irq *pic)
static void create_pcie(VirtMachineState *vms)
{
hwaddr base_mmio = vms->memmap[VIRT_PCIE_MMIO].base;
hwaddr size_mmio = vms->memmap[VIRT_PCIE_MMIO].size;
@ -1241,7 +1240,8 @@ static void create_pcie(VirtMachineState *vms, qemu_irq *pic)
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, base_pio);
for (i = 0; i < GPEX_NUM_IRQS; i++) {
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, pic[irq + i]);
sysbus_connect_irq(SYS_BUS_DEVICE(dev), i,
qdev_get_gpio_in(vms->gic, irq + i));
gpex_set_irq_num(GPEX_HOST(dev), i, irq + i);
}
@ -1301,7 +1301,7 @@ static void create_pcie(VirtMachineState *vms, qemu_irq *pic)
if (vms->iommu) {
vms->iommu_phandle = qemu_fdt_alloc_phandle(vms->fdt);
create_smmu(vms, pic, pci->bus);
create_smmu(vms, pci->bus);
qemu_fdt_setprop_cells(vms->fdt, nodename, "iommu-map",
0x0, vms->iommu_phandle, 0x0, 0x10000);
@ -1310,7 +1310,7 @@ static void create_pcie(VirtMachineState *vms, qemu_irq *pic)
g_free(nodename);
}
static void create_platform_bus(VirtMachineState *vms, qemu_irq *pic)
static void create_platform_bus(VirtMachineState *vms)
{
DeviceState *dev;
SysBusDevice *s;
@ -1326,8 +1326,8 @@ static void create_platform_bus(VirtMachineState *vms, qemu_irq *pic)
s = SYS_BUS_DEVICE(dev);
for (i = 0; i < PLATFORM_BUS_NUM_IRQS; i++) {
int irqn = vms->irqmap[VIRT_PLATFORM_BUS] + i;
sysbus_connect_irq(s, i, pic[irqn]);
int irq = vms->irqmap[VIRT_PLATFORM_BUS] + i;
sysbus_connect_irq(s, i, qdev_get_gpio_in(vms->gic, irq));
}
memory_region_add_subregion(sysmem,
@ -1509,7 +1509,6 @@ static void machvirt_init(MachineState *machine)
VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(machine);
MachineClass *mc = MACHINE_GET_CLASS(machine);
const CPUArchIdList *possible_cpus;
qemu_irq pic[NUM_IRQS];
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *secure_sysmem = NULL;
int n, virt_max_cpus;
@ -1712,27 +1711,27 @@ static void machvirt_init(MachineState *machine)
virt_flash_fdt(vms, sysmem, secure_sysmem ?: sysmem);
create_gic(vms, pic);
create_gic(vms);
fdt_add_pmu_nodes(vms);
create_uart(vms, pic, VIRT_UART, sysmem, serial_hd(0));
create_uart(vms, VIRT_UART, sysmem, serial_hd(0));
if (vms->secure) {
create_secure_ram(vms, secure_sysmem);
create_uart(vms, pic, VIRT_SECURE_UART, secure_sysmem, serial_hd(1));
create_uart(vms, VIRT_SECURE_UART, secure_sysmem, serial_hd(1));
}
vms->highmem_ecam &= vms->highmem && (!firmware_loaded || aarch64);
create_rtc(vms, pic);
create_rtc(vms);
create_pcie(vms, pic);
create_pcie(vms);
if (has_ged && aarch64 && firmware_loaded && acpi_enabled) {
vms->acpi_dev = create_acpi_ged(vms, pic);
vms->acpi_dev = create_acpi_ged(vms);
} else {
create_gpio(vms, pic);
create_gpio(vms);
}
/* connect powerdown request */
@ -1743,12 +1742,12 @@ static void machvirt_init(MachineState *machine)
* (which will be automatically plugged in to the transports). If
* no backend is created the transport will just sit harmlessly idle.
*/
create_virtio_devices(vms, pic);
create_virtio_devices(vms);
vms->fw_cfg = create_fw_cfg(vms, &address_space_memory);
rom_set_fw(vms->fw_cfg);
create_platform_bus(vms, pic);
create_platform_bus(vms);
vms->bootinfo.ram_size = machine->ram_size;
vms->bootinfo.nb_cpus = smp_cpus;

1
include/hw/arm/virt.h
View File

@ -136,6 +136,7 @@ typedef struct {
uint32_t iommu_phandle;
int psci_conduit;
hwaddr highest_gpa;
DeviceState *gic;
DeviceState *acpi_dev;
Notifier powerdown_notifier;
} VirtMachineState;