Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _ASM_X86_IOMMU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _ASM_X86_IOMMU_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <asm/e820/api.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) extern int force_iommu, no_iommu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) extern int iommu_detected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /* 10 seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static inline int __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) arch_rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	u64 start = rmrr->base_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	u64 end = rmrr->end_address + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	if (e820__mapped_all(start, end, E820_TYPE_RESERVED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	pr_err(FW_BUG "No firmware reserved region can cover this RMRR [%#018Lx-%#018Lx], contact BIOS vendor for fixes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	       start, end - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #endif /* _ASM_X86_IOMMU_H */