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-rw-r--r--arch/riscv/include/asm/kvm_aia.h3
-rw-r--r--arch/riscv/include/asm/kvm_host.h17
-rw-r--r--arch/riscv/include/asm/kvm_vcpu_sbi.h3
-rw-r--r--arch/riscv/include/asm/kvm_vcpu_vector.h6
-rw-r--r--arch/riscv/include/asm/pgtable-64.h2
-rw-r--r--arch/riscv/include/asm/pgtable.h2
-rw-r--r--arch/riscv/include/asm/syscall.h19
7 files changed, 35 insertions, 17 deletions
diff --git a/arch/riscv/include/asm/kvm_aia.h b/arch/riscv/include/asm/kvm_aia.h
index 1f37b600ca47..3b643b9efc07 100644
--- a/arch/riscv/include/asm/kvm_aia.h
+++ b/arch/riscv/include/asm/kvm_aia.h
@@ -63,9 +63,6 @@ struct kvm_vcpu_aia {
/* CPU AIA CSR context of Guest VCPU */
struct kvm_vcpu_aia_csr guest_csr;
- /* CPU AIA CSR context upon Guest VCPU reset */
- struct kvm_vcpu_aia_csr guest_reset_csr;
-
/* Guest physical address of IMSIC for this VCPU */
gpa_t imsic_addr;
diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h
index 0e9c2fab6378..85cfebc32e4c 100644
--- a/arch/riscv/include/asm/kvm_host.h
+++ b/arch/riscv/include/asm/kvm_host.h
@@ -119,6 +119,9 @@ struct kvm_arch {
/* AIA Guest/VM context */
struct kvm_aia aia;
+
+ /* KVM_CAP_RISCV_MP_STATE_RESET */
+ bool mp_state_reset;
};
struct kvm_cpu_trap {
@@ -193,6 +196,12 @@ struct kvm_vcpu_smstateen_csr {
unsigned long sstateen0;
};
+struct kvm_vcpu_reset_state {
+ spinlock_t lock;
+ unsigned long pc;
+ unsigned long a1;
+};
+
struct kvm_vcpu_arch {
/* VCPU ran at least once */
bool ran_atleast_once;
@@ -227,12 +236,8 @@ struct kvm_vcpu_arch {
/* CPU Smstateen CSR context of Guest VCPU */
struct kvm_vcpu_smstateen_csr smstateen_csr;
- /* CPU context upon Guest VCPU reset */
- struct kvm_cpu_context guest_reset_context;
- spinlock_t reset_cntx_lock;
-
- /* CPU CSR context upon Guest VCPU reset */
- struct kvm_vcpu_csr guest_reset_csr;
+ /* CPU reset state of Guest VCPU */
+ struct kvm_vcpu_reset_state reset_state;
/*
* VCPU interrupts
diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h b/arch/riscv/include/asm/kvm_vcpu_sbi.h
index 4ed6203cdd30..439ab2b3534f 100644
--- a/arch/riscv/include/asm/kvm_vcpu_sbi.h
+++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h
@@ -55,6 +55,9 @@ void kvm_riscv_vcpu_sbi_forward(struct kvm_vcpu *vcpu, struct kvm_run *run);
void kvm_riscv_vcpu_sbi_system_reset(struct kvm_vcpu *vcpu,
struct kvm_run *run,
u32 type, u64 flags);
+void kvm_riscv_vcpu_sbi_request_reset(struct kvm_vcpu *vcpu,
+ unsigned long pc, unsigned long a1);
+void kvm_riscv_vcpu_sbi_load_reset_state(struct kvm_vcpu *vcpu);
int kvm_riscv_vcpu_sbi_return(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_riscv_vcpu_set_reg_sbi_ext(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg);
diff --git a/arch/riscv/include/asm/kvm_vcpu_vector.h b/arch/riscv/include/asm/kvm_vcpu_vector.h
index 27f5bccdd8b0..57a798a4cb0d 100644
--- a/arch/riscv/include/asm/kvm_vcpu_vector.h
+++ b/arch/riscv/include/asm/kvm_vcpu_vector.h
@@ -33,8 +33,7 @@ void kvm_riscv_vcpu_guest_vector_restore(struct kvm_cpu_context *cntx,
unsigned long *isa);
void kvm_riscv_vcpu_host_vector_save(struct kvm_cpu_context *cntx);
void kvm_riscv_vcpu_host_vector_restore(struct kvm_cpu_context *cntx);
-int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu,
- struct kvm_cpu_context *cntx);
+int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu);
void kvm_riscv_vcpu_free_vector_context(struct kvm_vcpu *vcpu);
#else
@@ -62,8 +61,7 @@ static inline void kvm_riscv_vcpu_host_vector_restore(struct kvm_cpu_context *cn
{
}
-static inline int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu,
- struct kvm_cpu_context *cntx)
+static inline int kvm_riscv_vcpu_alloc_vector_context(struct kvm_vcpu *vcpu)
{
return 0;
}
diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h
index 0897dd99ab8d..188fadc1c21f 100644
--- a/arch/riscv/include/asm/pgtable-64.h
+++ b/arch/riscv/include/asm/pgtable-64.h
@@ -262,8 +262,6 @@ static inline unsigned long _pmd_pfn(pmd_t pmd)
return __page_val_to_pfn(pmd_val(pmd));
}
-#define mk_pmd(page, prot) pfn_pmd(page_to_pfn(page), prot)
-
#define pmd_ERROR(e) \
pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 428e48e5f57d..f19240fd018e 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -343,8 +343,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
return __pte((pfn << _PAGE_PFN_SHIFT) | prot_val);
}
-#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
-
#define pte_pgprot pte_pgprot
static inline pgprot_t pte_pgprot(pte_t pte)
{
diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h
index eceabf59ae48..34313387f977 100644
--- a/arch/riscv/include/asm/syscall.h
+++ b/arch/riscv/include/asm/syscall.h
@@ -30,6 +30,13 @@ static inline int syscall_get_nr(struct task_struct *task,
return regs->a7;
}
+static inline void syscall_set_nr(struct task_struct *task,
+ struct pt_regs *regs,
+ int nr)
+{
+ regs->a7 = nr;
+}
+
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
@@ -69,6 +76,18 @@ static inline void syscall_get_arguments(struct task_struct *task,
args[5] = regs->a5;
}
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ const unsigned long *args)
+{
+ regs->orig_a0 = args[0];
+ regs->a1 = args[1];
+ regs->a2 = args[2];
+ regs->a3 = args[3];
+ regs->a4 = args[4];
+ regs->a5 = args[5];
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
#ifdef CONFIG_64BIT