Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
new file mode 100644
index 0000000000..dc3576303f
--- /dev/null
+++ b/arch/x86/kernel/asm-offsets.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ */
+#define COMPILE_OFFSETS
+
+#include <linux/crypto.h>
+#include <crypto/aria.h>
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/hardirq.h>
+#include <linux/suspend.h>
+#include <linux/kbuild.h>
+#include <asm/processor.h>
+#include <asm/thread_info.h>
+#include <asm/sigframe.h>
+#include <asm/bootparam.h>
+#include <asm/suspend.h>
+#include <asm/tlbflush.h>
+#include <asm/tdx.h>
+
+#ifdef CONFIG_XEN
+#include <xen/interface/xen.h>
+#endif
+
+#ifdef CONFIG_X86_32
+# include "asm-offsets_32.c"
+#else
+# include "asm-offsets_64.c"
+#endif
+
+static void __used common(void)
+{
+	BLANK();
+	OFFSET(TASK_threadsp, task_struct, thread.sp);
+#ifdef CONFIG_STACKPROTECTOR
+	OFFSET(TASK_stack_canary, task_struct, stack_canary);
+#endif
+
+	BLANK();
+	OFFSET(pbe_address, pbe, address);
+	OFFSET(pbe_orig_address, pbe, orig_address);
+	OFFSET(pbe_next, pbe, next);
+
+#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
+	BLANK();
+	OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
+	OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
+	OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
+	OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
+	OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
+	OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
+	OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
+	OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
+	OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
+
+	BLANK();
+	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
+#endif
+
+#ifdef CONFIG_XEN
+	BLANK();
+	OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
+	OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
+	OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2);
+#endif
+
+	BLANK();
+	OFFSET(TDX_MODULE_rcx, tdx_module_output, rcx);
+	OFFSET(TDX_MODULE_rdx, tdx_module_output, rdx);
+	OFFSET(TDX_MODULE_r8,  tdx_module_output, r8);
+	OFFSET(TDX_MODULE_r9,  tdx_module_output, r9);
+	OFFSET(TDX_MODULE_r10, tdx_module_output, r10);
+	OFFSET(TDX_MODULE_r11, tdx_module_output, r11);
+
+	BLANK();
+	OFFSET(TDX_HYPERCALL_r8,  tdx_hypercall_args, r8);
+	OFFSET(TDX_HYPERCALL_r9,  tdx_hypercall_args, r9);
+	OFFSET(TDX_HYPERCALL_r10, tdx_hypercall_args, r10);
+	OFFSET(TDX_HYPERCALL_r11, tdx_hypercall_args, r11);
+	OFFSET(TDX_HYPERCALL_r12, tdx_hypercall_args, r12);
+	OFFSET(TDX_HYPERCALL_r13, tdx_hypercall_args, r13);
+	OFFSET(TDX_HYPERCALL_r14, tdx_hypercall_args, r14);
+	OFFSET(TDX_HYPERCALL_r15, tdx_hypercall_args, r15);
+	OFFSET(TDX_HYPERCALL_rdi, tdx_hypercall_args, rdi);
+	OFFSET(TDX_HYPERCALL_rsi, tdx_hypercall_args, rsi);
+	OFFSET(TDX_HYPERCALL_rbx, tdx_hypercall_args, rbx);
+	OFFSET(TDX_HYPERCALL_rdx, tdx_hypercall_args, rdx);
+
+	BLANK();
+	OFFSET(BP_scratch, boot_params, scratch);
+	OFFSET(BP_secure_boot, boot_params, secure_boot);
+	OFFSET(BP_loadflags, boot_params, hdr.loadflags);
+	OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
+	OFFSET(BP_version, boot_params, hdr.version);
+	OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
+	OFFSET(BP_init_size, boot_params, hdr.init_size);
+	OFFSET(BP_pref_address, boot_params, hdr.pref_address);
+
+	BLANK();
+	DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
+
+	/* TLB state for the entry code */
+	OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask);
+
+	/* Layout info for cpu_entry_area */
+	OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
+	DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
+	DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1)));
+
+	/* Offset for fields in tss_struct */
+	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
+	OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
+	OFFSET(TSS_sp2, tss_struct, x86_tss.sp2);
+	OFFSET(X86_top_of_stack, pcpu_hot, top_of_stack);
+	OFFSET(X86_current_task, pcpu_hot, current_task);
+#ifdef CONFIG_CALL_DEPTH_TRACKING
+	OFFSET(X86_call_depth, pcpu_hot, call_depth);
+#endif
+#if IS_ENABLED(CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64)
+	/* Offset for fields in aria_ctx */
+	BLANK();
+	OFFSET(ARIA_CTX_enc_key, aria_ctx, enc_key);
+	OFFSET(ARIA_CTX_dec_key, aria_ctx, dec_key);
+	OFFSET(ARIA_CTX_rounds, aria_ctx, rounds);
+#endif
+
+}