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hw/i386/pc: Extract pc_gsi_create()

Browse Source 
The GSI creation code is common to all PC machines, extract the
common code.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191018135910.24286-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-10-18 15:59:06 +02:00 committed by Paolo Bonzini
parent 6508799707
commit 417258f139
4 changed files with 19 additions and 16 deletions
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15
hw/i386/pc.c
View File

@ -355,6 +355,21 @@ void gsi_handler(void *opaque, int n, int level)
qemu_set_irq(s->ioapic_irq[n], level);
}
GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled)
{
GSIState *s;
s = g_new0(GSIState, 1);
if (kvm_ioapic_in_kernel()) {
kvm_pc_setup_irq_routing(pci_enabled);
*irqs = qemu_allocate_irqs(kvm_pc_gsi_handler, s, GSI_NUM_PINS);
} else {
*irqs = qemu_allocate_irqs(gsi_handler, s, GSI_NUM_PINS);
}
return s;
}
static void ioport80_write(void *opaque, hwaddr addr, uint64_t data,
unsigned size)
{

9
hw/i386/pc_piix.c
View File

@ -189,14 +189,7 @@ static void pc_init1(MachineState *machine,
xen_load_linux(pcms);
}
gsi_state = g_malloc0(sizeof(*gsi_state));
if (kvm_ioapic_in_kernel()) {
kvm_pc_setup_irq_routing(pcmc->pci_enabled);
x86ms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
GSI_NUM_PINS);
} else {
x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
}
gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
if (pcmc->pci_enabled) {
pci_bus = i440fx_init(host_type,

9
hw/i386/pc_q35.c
View File

@ -212,14 +212,7 @@ static void pc_q35_init(MachineState *machine)
}
/* irq lines */
gsi_state = g_malloc0(sizeof(*gsi_state));
if (kvm_ioapic_in_kernel()) {
kvm_pc_setup_irq_routing(pcmc->pci_enabled);
x86ms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
GSI_NUM_PINS);
} else {
x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
}
gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
/* create pci host bus */
q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));

2
include/hw/i386/pc.h
View File

@ -157,6 +157,8 @@ typedef struct GSIState {
void gsi_handler(void *opaque, int n, int level);
GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
/* vmport.c */
#define TYPE_VMPORT "vmport"
typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);