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authorHuacai Chen <chenhc@lemote.com>2020-05-23 15:56:36 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2020-06-04 13:49:13 -0400
commit3f51d8fcac7a0925fb1222d932cb3baa776b1e79 (patch)
treecdfbdc19eaedb97b00da4c7ad66ee68ae2e1653d /arch/mips/kvm/interrupt.h
parent49bb96003fb19b77a0116d9330bdfd61aa41244b (diff)
KVM: MIPS: Add more types of virtual interrupts
In current implementation, MIPS KVM uses IP2, IP3, IP4 and IP7 for external interrupt, two kinds of IPIs and timer interrupt respectively, but Loongson-3 based machines prefer to use IP2, IP3, IP6 and IP7 for two kinds of external interrupts, IPI and timer interrupt. So we define two priority-irq mapping tables: kvm_loongson3_priority_to_irq[] for Loongson-3, and kvm_default_priority_to_irq[] for others. The virtual interrupt infrastructure is updated to deliver all types of interrupts from IP2, IP3, IP4, IP6 and IP7. Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com> Signed-off-by: Huacai Chen <chenhc@lemote.com> Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Message-Id: <1590220602-3547-10-git-send-email-chenhc@lemote.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips/kvm/interrupt.h')
-rw-r--r--arch/mips/kvm/interrupt.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/mips/kvm/interrupt.h b/arch/mips/kvm/interrupt.h
index 3bf0a49725e8..c3e878ca3e07 100644
--- a/arch/mips/kvm/interrupt.h
+++ b/arch/mips/kvm/interrupt.h
@@ -21,11 +21,12 @@
#define MIPS_EXC_NMI 5
#define MIPS_EXC_MCHK 6
#define MIPS_EXC_INT_TIMER 7
-#define MIPS_EXC_INT_IO 8
-#define MIPS_EXC_EXECUTE 9
-#define MIPS_EXC_INT_IPI_1 10
-#define MIPS_EXC_INT_IPI_2 11
-#define MIPS_EXC_MAX 12
+#define MIPS_EXC_INT_IO_1 8
+#define MIPS_EXC_INT_IO_2 9
+#define MIPS_EXC_EXECUTE 10
+#define MIPS_EXC_INT_IPI_1 11
+#define MIPS_EXC_INT_IPI_2 12
+#define MIPS_EXC_MAX 13
/* XXXSL More to follow */
#define C_TI (_ULCAST_(1) << 30)
@@ -38,6 +39,9 @@
#define KVM_MIPS_IRQ_CLEAR_ALL_AT_ONCE (0)
#endif
+extern u32 *kvm_priority_to_irq;
+u32 kvm_irq_to_priority(u32 irq);
+
void kvm_mips_queue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
void kvm_mips_dequeue_irq(struct kvm_vcpu *vcpu, unsigned int priority);
int kvm_mips_pending_timer(struct kvm_vcpu *vcpu);