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| author | Xianglai Li <lixianglai@loongson.cn> | 2024-11-13 09:18:27 +0100 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2024-11-13 09:18:27 +0100 |
| commit | 3956a52bc05bd811082a3c9d2b423ee957e6fefc (patch) | |
| tree | 15c6ec8d20c87a0978f17a32dcec84381514214f /arch/loongarch/include | |
| parent | LoongArch: KVM: Add EIOINTC device support (diff) | |
| download | linux-3956a52bc05bd811082a3c9d2b423ee957e6fefc.tar.xz linux-3956a52bc05bd811082a3c9d2b423ee957e6fefc.zip | |
LoongArch: KVM: Add EIOINTC read and write functions
Add implementation of EIOINTC interrupt controller's address space read
and write function simulation.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include')
| -rw-r--r-- | arch/loongarch/include/asm/kvm_eiointc.h | 30 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/kvm_host.h | 2 |
2 files changed, 32 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/kvm_eiointc.h b/arch/loongarch/include/asm/kvm_eiointc.h index ed65de5a8168..a3a40aba8acf 100644 --- a/arch/loongarch/include/asm/kvm_eiointc.h +++ b/arch/loongarch/include/asm/kvm_eiointc.h @@ -20,9 +20,38 @@ #define EIOINTC_BASE 0x1400 #define EIOINTC_SIZE 0x900 +#define EIOINTC_NODETYPE_START 0xa0 +#define EIOINTC_NODETYPE_END 0xbf +#define EIOINTC_IPMAP_START 0xc0 +#define EIOINTC_IPMAP_END 0xc7 +#define EIOINTC_ENABLE_START 0x200 +#define EIOINTC_ENABLE_END 0x21f +#define EIOINTC_BOUNCE_START 0x280 +#define EIOINTC_BOUNCE_END 0x29f +#define EIOINTC_ISR_START 0x300 +#define EIOINTC_ISR_END 0x31f +#define EIOINTC_COREISR_START 0x400 +#define EIOINTC_COREISR_END 0x41f +#define EIOINTC_COREMAP_START 0x800 +#define EIOINTC_COREMAP_END 0x8ff + #define EIOINTC_VIRT_BASE (0x40000000) #define EIOINTC_VIRT_SIZE (0x1000) +#define EIOINTC_VIRT_FEATURES (0x0) +#define EIOINTC_HAS_VIRT_EXTENSION (0) +#define EIOINTC_HAS_ENABLE_OPTION (1) +#define EIOINTC_HAS_INT_ENCODE (2) +#define EIOINTC_HAS_CPU_ENCODE (3) +#define EIOINTC_VIRT_HAS_FEATURES ((1U << EIOINTC_HAS_VIRT_EXTENSION) \ + | (1U << EIOINTC_HAS_ENABLE_OPTION) \ + | (1U << EIOINTC_HAS_INT_ENCODE) \ + | (1U << EIOINTC_HAS_CPU_ENCODE)) +#define EIOINTC_VIRT_CONFIG (0x4) +#define EIOINTC_ENABLE (1) +#define EIOINTC_ENABLE_INT_ENCODE (2) +#define EIOINTC_ENABLE_CPU_ENCODE (3) + #define LOONGSON_IP_NUM 8 struct loongarch_eiointc { @@ -89,5 +118,6 @@ struct loongarch_eiointc { }; int kvm_loongarch_register_eiointc_device(void); +void eiointc_set_irq(struct loongarch_eiointc *s, int irq, int level); #endif /* __ASM_KVM_EIOINTC_H */ diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h index 2d0476f05148..a63c2bf6fae0 100644 --- a/arch/loongarch/include/asm/kvm_host.h +++ b/arch/loongarch/include/asm/kvm_host.h @@ -48,6 +48,8 @@ struct kvm_vm_stat { u64 hugepages; u64 ipi_read_exits; u64 ipi_write_exits; + u64 eiointc_read_exits; + u64 eiointc_write_exits; }; struct kvm_vcpu_stat { |