1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2013 Pluribus Networks Inc. 14 * Copyright 2019 Joyent, Inc. 15 */ 16 17 #ifndef _COMPAT_FREEBSD_AMD64_MACHINE_VMPARAM_H_ 18 #define _COMPAT_FREEBSD_AMD64_MACHINE_VMPARAM_H_ 19 20 extern caddr_t kpm_vbase; 21 extern size_t kpm_size; 22 23 static inline uintptr_t 24 phys_to_dmap(uintptr_t pa) 25 { 26 ASSERT3U(pa, <, kpm_size); 27 return ((uintptr_t)kpm_vbase + pa); 28 } 29 30 static inline uintptr_t 31 dmap_to_phys(uintptr_t kva) 32 { 33 const uintptr_t base = (uintptr_t)kpm_vbase; 34 35 ASSERT3U(kva, >=, base); 36 ASSERT3U(kva, <, base + kpm_size); 37 38 return (kva - base); 39 } 40 41 #define PHYS_TO_DMAP(x) phys_to_dmap(x) 42 #define DMAP_TO_PHYS(x) dmap_to_phys(x) 43 44 45 #endif /* _COMPAT_FREEBSD_AMD64_MACHINE_VMPARAM_H_ */ 46