diff options
| author | Ingo Molnar <mingo@kernel.org> | 2025-04-13 10:41:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-04-14 09:34:17 +0200 |
| commit | 0a35c9280a9105e601cfe23b7c15522a195fa412 (patch) | |
| tree | 33cc4ce341f160e5963e8783fc7847c96747e7cd /arch/x86/include/asm/amd_node.h | |
| parent | 5bb144e52c666dc0082a90662a5406133415cacc (diff) | |
x86/platform/amd: Move the <asm/amd_node.h> header to <asm/amd/node.h>
Collect AMD specific platform header files in <asm/amd/*.h>.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mario Limonciello <superm1@kernel.org>
Link: https://lore.kernel.org/r/20250413084144.3746608-7-mingo@kernel.org
Diffstat (limited to 'arch/x86/include/asm/amd_node.h')
| -rw-r--r-- | arch/x86/include/asm/amd_node.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/arch/x86/include/asm/amd_node.h b/arch/x86/include/asm/amd_node.h deleted file mode 100644 index 23fe617898a8..000000000000 --- a/arch/x86/include/asm/amd_node.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * AMD Node helper functions and common defines - * - * Copyright (c) 2024, Advanced Micro Devices, Inc. - * All Rights Reserved. - * - * Author: Yazen Ghannam <Yazen.Ghannam@amd.com> - * - * Note: - * Items in this file may only be used in a single place. - * However, it's prudent to keep all AMD Node functionality - * in a unified place rather than spreading throughout the - * kernel. - */ - -#ifndef _ASM_X86_AMD_NODE_H_ -#define _ASM_X86_AMD_NODE_H_ - -#include <linux/pci.h> - -#define MAX_AMD_NUM_NODES 8 -#define AMD_NODE0_PCI_SLOT 0x18 - -struct pci_dev *amd_node_get_func(u16 node, u8 func); -struct pci_dev *amd_node_get_root(u16 node); - -static inline u16 amd_num_nodes(void) -{ - return topology_amd_nodes_per_pkg() * topology_max_packages(); -} - -#ifdef CONFIG_AMD_NODE -int __must_check amd_smn_read(u16 node, u32 address, u32 *value); -int __must_check amd_smn_write(u16 node, u32 address, u32 value); - -/* Should only be used by the HSMP driver. */ -int __must_check amd_smn_hsmp_rdwr(u16 node, u32 address, u32 *value, bool write); -#else -static inline int __must_check amd_smn_read(u16 node, u32 address, u32 *value) { return -ENODEV; } -static inline int __must_check amd_smn_write(u16 node, u32 address, u32 value) { return -ENODEV; } - -static inline int __must_check amd_smn_hsmp_rdwr(u16 node, u32 address, u32 *value, bool write) -{ - return -ENODEV; -} -#endif /* CONFIG_AMD_NODE */ - -/* helper for use with read_poll_timeout */ -static inline int smn_read_register(u32 reg) -{ - int data, rc; - - rc = amd_smn_read(0, reg, &data); - if (rc) - return rc; - - return data; -} -#endif /*_ASM_X86_AMD_NODE_H_*/ |