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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /arch/loongarch/include
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/include')
-rw-r--r--arch/loongarch/include/asm/bootinfo.h6
-rw-r--r--arch/loongarch/include/asm/crash_core.h12
-rw-r--r--arch/loongarch/include/asm/efi.h2
-rw-r--r--arch/loongarch/include/asm/ftrace.h2
-rw-r--r--arch/loongarch/include/asm/kvm_host.h25
-rw-r--r--arch/loongarch/include/asm/kvm_vcpu.h21
-rw-r--r--arch/loongarch/include/asm/perf_event.h8
-rw-r--r--arch/loongarch/include/asm/pgtable.h1
-rw-r--r--arch/loongarch/include/asm/shmparam.h12
-rw-r--r--arch/loongarch/include/uapi/asm/kvm.h1
10 files changed, 69 insertions, 21 deletions
diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h
index c60796869b..6d5846dd07 100644
--- a/arch/loongarch/include/asm/bootinfo.h
+++ b/arch/loongarch/include/asm/bootinfo.h
@@ -24,13 +24,15 @@ struct loongson_board_info {
const char *board_vendor;
};
+#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG)
+
struct loongson_system_configuration {
int nr_cpus;
int nr_nodes;
int boot_cpu_id;
int cores_per_node;
int cores_per_package;
- unsigned long cores_io_master;
+ unsigned long cores_io_master[NR_WORDS];
unsigned long suspend_addr;
const char *cpuname;
};
@@ -42,7 +44,7 @@ extern struct loongson_system_configuration loongson_sysconf;
static inline bool io_master(int cpu)
{
- return test_bit(cpu, &loongson_sysconf.cores_io_master);
+ return test_bit(cpu, loongson_sysconf.cores_io_master);
}
#endif /* _ASM_BOOTINFO_H */
diff --git a/arch/loongarch/include/asm/crash_core.h b/arch/loongarch/include/asm/crash_core.h
new file mode 100644
index 0000000000..218bdbfa52
--- /dev/null
+++ b/arch/loongarch/include/asm/crash_core.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _LOONGARCH_CRASH_CORE_H
+#define _LOONGARCH_CRASH_CORE_H
+
+#define CRASH_ALIGN SZ_2M
+
+#define CRASH_ADDR_LOW_MAX SZ_4G
+#define CRASH_ADDR_HIGH_MAX memblock_end_of_DRAM()
+
+extern phys_addr_t memblock_end_of_DRAM(void);
+
+#endif
diff --git a/arch/loongarch/include/asm/efi.h b/arch/loongarch/include/asm/efi.h
index 91d81f9730..eddc8e79b3 100644
--- a/arch/loongarch/include/asm/efi.h
+++ b/arch/loongarch/include/asm/efi.h
@@ -32,6 +32,4 @@ static inline unsigned long efi_get_kimg_min_align(void)
#define EFI_KIMG_PREFERRED_ADDRESS PHYSADDR(VMLINUX_LOAD_ADDRESS)
-unsigned long kernel_entry_address(unsigned long kernel_addr);
-
#endif /* _ASM_LOONGARCH_EFI_H */
diff --git a/arch/loongarch/include/asm/ftrace.h b/arch/loongarch/include/asm/ftrace.h
index a11996eb58..de891c2c83 100644
--- a/arch/loongarch/include/asm/ftrace.h
+++ b/arch/loongarch/include/asm/ftrace.h
@@ -63,7 +63,7 @@ ftrace_regs_get_instruction_pointer(struct ftrace_regs *fregs)
static __always_inline void
ftrace_regs_set_instruction_pointer(struct ftrace_regs *fregs, unsigned long ip)
{
- regs_set_return_value(&fregs->regs, ip);
+ instruction_pointer_set(&fregs->regs, ip);
}
#define ftrace_regs_get_argument(fregs, n) \
diff --git a/arch/loongarch/include/asm/kvm_host.h b/arch/loongarch/include/asm/kvm_host.h
index 11328700d4..2d62f7b0d3 100644
--- a/arch/loongarch/include/asm/kvm_host.h
+++ b/arch/loongarch/include/asm/kvm_host.h
@@ -45,7 +45,10 @@ struct kvm_vcpu_stat {
u64 signal_exits;
};
+#define KVM_MEM_HUGEPAGE_CAPABLE (1UL << 0)
+#define KVM_MEM_HUGEPAGE_INCAPABLE (1UL << 1)
struct kvm_arch_memory_slot {
+ unsigned long flags;
};
struct kvm_context {
@@ -92,8 +95,10 @@ enum emulation_result {
};
#define KVM_LARCH_FPU (0x1 << 0)
-#define KVM_LARCH_SWCSR_LATEST (0x1 << 1)
-#define KVM_LARCH_HWCSR_USABLE (0x1 << 2)
+#define KVM_LARCH_LSX (0x1 << 1)
+#define KVM_LARCH_LASX (0x1 << 2)
+#define KVM_LARCH_SWCSR_LATEST (0x1 << 3)
+#define KVM_LARCH_HWCSR_USABLE (0x1 << 4)
struct kvm_vcpu_arch {
/*
@@ -175,6 +180,21 @@ static inline void writel_sw_gcsr(struct loongarch_csrs *csr, int reg, unsigned
csr->csrs[reg] = val;
}
+static inline bool kvm_guest_has_fpu(struct kvm_vcpu_arch *arch)
+{
+ return arch->cpucfg[2] & CPUCFG2_FP;
+}
+
+static inline bool kvm_guest_has_lsx(struct kvm_vcpu_arch *arch)
+{
+ return arch->cpucfg[2] & CPUCFG2_LSX;
+}
+
+static inline bool kvm_guest_has_lasx(struct kvm_vcpu_arch *arch)
+{
+ return arch->cpucfg[2] & CPUCFG2_LASX;
+}
+
/* Debug: dump vcpu state */
int kvm_arch_vcpu_dump_regs(struct kvm_vcpu *vcpu);
@@ -183,7 +203,6 @@ void kvm_flush_tlb_all(void);
void kvm_flush_tlb_gpa(struct kvm_vcpu *vcpu, unsigned long gpa);
int kvm_handle_mm_fault(struct kvm_vcpu *vcpu, unsigned long badv, bool write);
-#define KVM_ARCH_WANT_MMU_NOTIFIER
void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, bool blockable);
int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
diff --git a/arch/loongarch/include/asm/kvm_vcpu.h b/arch/loongarch/include/asm/kvm_vcpu.h
index 553cfa2b2b..0cb4fdb8a9 100644
--- a/arch/loongarch/include/asm/kvm_vcpu.h
+++ b/arch/loongarch/include/asm/kvm_vcpu.h
@@ -55,7 +55,26 @@ void kvm_save_fpu(struct loongarch_fpu *fpu);
void kvm_restore_fpu(struct loongarch_fpu *fpu);
void kvm_restore_fcsr(struct loongarch_fpu *fpu);
-void kvm_acquire_timer(struct kvm_vcpu *vcpu);
+#ifdef CONFIG_CPU_HAS_LSX
+int kvm_own_lsx(struct kvm_vcpu *vcpu);
+void kvm_save_lsx(struct loongarch_fpu *fpu);
+void kvm_restore_lsx(struct loongarch_fpu *fpu);
+#else
+static inline int kvm_own_lsx(struct kvm_vcpu *vcpu) { return -EINVAL; }
+static inline void kvm_save_lsx(struct loongarch_fpu *fpu) { }
+static inline void kvm_restore_lsx(struct loongarch_fpu *fpu) { }
+#endif
+
+#ifdef CONFIG_CPU_HAS_LASX
+int kvm_own_lasx(struct kvm_vcpu *vcpu);
+void kvm_save_lasx(struct loongarch_fpu *fpu);
+void kvm_restore_lasx(struct loongarch_fpu *fpu);
+#else
+static inline int kvm_own_lasx(struct kvm_vcpu *vcpu) { return -EINVAL; }
+static inline void kvm_save_lasx(struct loongarch_fpu *fpu) { }
+static inline void kvm_restore_lasx(struct loongarch_fpu *fpu) { }
+#endif
+
void kvm_init_timer(struct kvm_vcpu *vcpu, unsigned long hz);
void kvm_reset_timer(struct kvm_vcpu *vcpu);
void kvm_save_timer(struct kvm_vcpu *vcpu);
diff --git a/arch/loongarch/include/asm/perf_event.h b/arch/loongarch/include/asm/perf_event.h
index 2a35a0bc2a..52b638059e 100644
--- a/arch/loongarch/include/asm/perf_event.h
+++ b/arch/loongarch/include/asm/perf_event.h
@@ -7,6 +7,14 @@
#ifndef __LOONGARCH_PERF_EVENT_H__
#define __LOONGARCH_PERF_EVENT_H__
+#include <asm/ptrace.h>
+
#define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs
+#define perf_arch_fetch_caller_regs(regs, __ip) { \
+ (regs)->csr_era = (__ip); \
+ (regs)->regs[3] = current_stack_pointer; \
+ (regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \
+}
+
#endif /* __LOONGARCH_PERF_EVENT_H__ */
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 29d9b12298..8b5df1bbf9 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -523,6 +523,7 @@ static inline pmd_t pmd_wrprotect(pmd_t pmd)
return pmd;
}
+#define pmd_dirty pmd_dirty
static inline int pmd_dirty(pmd_t pmd)
{
return !!(pmd_val(pmd) & (_PAGE_DIRTY | _PAGE_MODIFIED));
diff --git a/arch/loongarch/include/asm/shmparam.h b/arch/loongarch/include/asm/shmparam.h
deleted file mode 100644
index c9554f48d2..0000000000
--- a/arch/loongarch/include/asm/shmparam.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
- */
-#ifndef _ASM_SHMPARAM_H
-#define _ASM_SHMPARAM_H
-
-#define __ARCH_FORCE_SHMLBA 1
-
-#define SHMLBA SZ_64K /* attach addr a multiple of this */
-
-#endif /* _ASM_SHMPARAM_H */
diff --git a/arch/loongarch/include/uapi/asm/kvm.h b/arch/loongarch/include/uapi/asm/kvm.h
index c6ad2ee610..923d0bd382 100644
--- a/arch/loongarch/include/uapi/asm/kvm.h
+++ b/arch/loongarch/include/uapi/asm/kvm.h
@@ -79,6 +79,7 @@ struct kvm_fpu {
#define LOONGARCH_REG_64(TYPE, REG) (TYPE | KVM_REG_SIZE_U64 | (REG << LOONGARCH_REG_SHIFT))
#define KVM_IOC_CSRID(REG) LOONGARCH_REG_64(KVM_REG_LOONGARCH_CSR, REG)
#define KVM_IOC_CPUCFG(REG) LOONGARCH_REG_64(KVM_REG_LOONGARCH_CPUCFG, REG)
+#define KVM_LOONGARCH_VCPU_CPUCFG 0
struct kvm_debug_exit_arch {
};