diff options
Diffstat (limited to 'arch/mips/include/asm/kvm_host.h')
| -rw-r--r-- | arch/mips/include/asm/kvm_host.h | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index e28b5a946e26..363e7a89d173 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -23,6 +23,8 @@ #include <asm/inst.h> #include <asm/mipsregs.h> +#include <kvm/iodev.h> + /* MIPS KVM register ids */ #define MIPS_CP0_32(_R, _S) \ (KVM_REG_MIPS_CP0 | KVM_REG_SIZE_U32 | (8 * (_R) + (_S))) @@ -66,9 +68,11 @@ #define KVM_REG_MIPS_CP0_CONFIG3 MIPS_CP0_32(16, 3) #define KVM_REG_MIPS_CP0_CONFIG4 MIPS_CP0_32(16, 4) #define KVM_REG_MIPS_CP0_CONFIG5 MIPS_CP0_32(16, 5) +#define KVM_REG_MIPS_CP0_CONFIG6 MIPS_CP0_32(16, 6) #define KVM_REG_MIPS_CP0_CONFIG7 MIPS_CP0_32(16, 7) #define KVM_REG_MIPS_CP0_MAARI MIPS_CP0_64(17, 2) #define KVM_REG_MIPS_CP0_XCONTEXT MIPS_CP0_64(20, 0) +#define KVM_REG_MIPS_CP0_DIAG MIPS_CP0_32(22, 0) #define KVM_REG_MIPS_CP0_ERROREPC MIPS_CP0_64(30, 0) #define KVM_REG_MIPS_CP0_KSCRATCH1 MIPS_CP0_64(31, 2) #define KVM_REG_MIPS_CP0_KSCRATCH2 MIPS_CP0_64(31, 3) @@ -78,8 +82,8 @@ #define KVM_REG_MIPS_CP0_KSCRATCH6 MIPS_CP0_64(31, 7) -#define KVM_MAX_VCPUS 8 -#define KVM_USER_MEM_SLOTS 8 +#define KVM_MAX_VCPUS 16 +#define KVM_USER_MEM_SLOTS 16 /* memory slots that does not exposed to userspace */ #define KVM_PRIVATE_MEM_SLOTS 0 @@ -171,6 +175,9 @@ struct kvm_vcpu_stat { u64 vz_ghfc_exits; u64 vz_gpa_exits; u64 vz_resvd_exits; +#ifdef CONFIG_CPU_LOONGSON64 + u64 vz_cpucfg_exits; +#endif #endif u64 halt_successful_poll; u64 halt_attempted_poll; @@ -183,11 +190,39 @@ struct kvm_vcpu_stat { struct kvm_arch_memory_slot { }; +#ifdef CONFIG_CPU_LOONGSON64 +struct ipi_state { + uint32_t status; + uint32_t en; + uint32_t set; + uint32_t clear; + uint64_t buf[4]; +}; + +struct loongson_kvm_ipi; + +struct ipi_io_device { + int node_id; + struct loongson_kvm_ipi *ipi; + struct kvm_io_device device; +}; + +struct loongson_kvm_ipi { + spinlock_t lock; + struct kvm *kvm; + struct ipi_state ipistate[16]; + struct ipi_io_device dev_ipi[4]; +}; +#endif + struct kvm_arch { /* Guest physical mm */ struct mm_struct gpa_mm; /* Mask of CPUs needing GPA ASID flush */ cpumask_t asid_flush_mask; +#ifdef CONFIG_CPU_LOONGSON64 + struct loongson_kvm_ipi ipi; +#endif }; #define N_MIPS_COPROC_REGS 32 @@ -225,6 +260,7 @@ struct mips_coproc { #define MIPS_CP0_WATCH_LO 18 #define MIPS_CP0_WATCH_HI 19 #define MIPS_CP0_TLB_XCONTEXT 20 +#define MIPS_CP0_DIAG 22 #define MIPS_CP0_ECC 26 #define MIPS_CP0_CACHE_ERR 27 #define MIPS_CP0_TAG_LO 28 @@ -276,8 +312,12 @@ enum emulation_result { #define MIPS3_PG_SHIFT 6 #define MIPS3_PG_FRAME 0x3fffffc0 +#if defined(CONFIG_64BIT) +#define VPN2_MASK GENMASK(cpu_vmbits - 1, 13) +#else #define VPN2_MASK 0xffffe000 -#define KVM_ENTRYHI_ASID MIPS_ENTRYHI_ASID +#endif +#define KVM_ENTRYHI_ASID cpu_asid_mask(&boot_cpu_data) #define TLB_IS_GLOBAL(x) ((x).tlb_lo[0] & (x).tlb_lo[1] & ENTRYLO_G) #define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK) #define TLB_ASID(x) ((x).tlb_hi & KVM_ENTRYHI_ASID) @@ -892,6 +932,10 @@ void kvm_vz_save_guesttlb(struct kvm_mips_tlb *buf, unsigned int index, unsigned int count); void kvm_vz_load_guesttlb(const struct kvm_mips_tlb *buf, unsigned int index, unsigned int count); +#ifdef CONFIG_CPU_LOONGSON64 +void kvm_loongson_clear_guest_vtlb(void); +void kvm_loongson_clear_guest_ftlb(void); +#endif #endif void kvm_mips_suspend_mm(int cpu); @@ -1131,6 +1175,8 @@ extern int kvm_mips_trans_mtc0(union mips_instruction inst, u32 *opc, /* Misc */ extern void kvm_mips_dump_stats(struct kvm_vcpu *vcpu); extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); +extern int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, + struct kvm_mips_interrupt *irq); static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} |