Differential D21555 Diff 62054 lib/libkvm/kvm_powerpc64.h

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lib/libkvm/kvm_powerpc64.h

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				/*-
				* Copyright (c) 2019 Leandro Lupori
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#ifndef __KVM_POWERPC64_H__
				#define __KVM_POWERPC64_H__

				#define PPC64_KERNBASE 0x100100ULL

				/* Page params */
				#define PPC64_PAGE_SHIFT 12
				#define PPC64_PAGE_SIZE (1ULL << PPC64_PAGE_SHIFT)
				#define PPC64_PAGE_MASK (PPC64_PAGE_SIZE - 1)
				/* Large (huge) page params */
				#define PPC64_LP_PAGE_SHIFT 24
				#define PPC64_LP_PAGE_SIZE (1ULL << PPC64_LP_PAGE_SHIFT)
				#define PPC64_LP_PAGE_MASK 0x00ffffffULL

				/* SLB */

				#define PPC64_SEGMENT_LENGTH 0x10000000ULL

				/* Virtual real-mode VSID in LPARs */
				#define PPC64_VSID_VRMA 0x1ffffffULL

				#define PPC64_SLBV_L 0x0000000000000100ULL /* Large page selector */
				#define PPC64_SLBV_CLASS 0x0000000000000080ULL /* Class selector */
				#define PPC64_SLBV_LP_MASK 0x0000000000000030ULL
				#define PPC64_SLBV_VSID_MASK 0x3ffffffffffff000ULL /* Virtual seg ID mask */
				#define PPC64_SLBV_VSID_SHIFT 12

				#define PPC64_SLBE_B_MASK 0x0000000006000000ULL
				#define PPC64_SLBE_B_256MB 0x0000000000000000ULL
				#define PPC64_SLBE_VALID 0x0000000008000000ULL /* SLB entry valid */
				#define PPC64_SLBE_INDEX_MASK 0x0000000000000fffULL /* SLB index mask*/
				/* Effective seg ID mask */
				#define PPC64_SLBE_ESID_MASK 0xfffffffff0000000ULL
				#define PPC64_SLBE_ESID_SHIFT 28

				/* PTE */

				#define PPC64_LPTEH_VSID_SHIFT 12
				#define PPC64_LPTEH_AVPN_MASK 0xffffffffffffff80ULL
				#define PPC64_LPTEH_B_MASK 0xc000000000000000ULL
				#define PPC64_LPTEH_B_256MB 0x0000000000000000ULL
				#define PPC64_LPTEH_BIG 0x0000000000000004ULL /* 4kb/16Mb page */
				#define PPC64_LPTEH_HID 0x0000000000000002ULL
				#define PPC64_LPTEH_VALID 0x0000000000000001ULL

				#define PPC64_LPTEL_RPGN 0xfffffffffffff000ULL
				#define PPC64_LPTEL_LP_MASK 0x00000000000ff000ULL
				#define PPC64_LPTEL_NOEXEC 0x0000000000000004ULL

				/* Supervisor (U: RW, S: RW) */
				#define PPC64_LPTEL_BW 0x0000000000000002ULL

				/* Both Read Only (U: RO, S: RO) */
				#define PPC64_LPTEL_BR 0x0000000000000003ULL

				#define PPC64_LPTEL_RW PPC64_LPTEL_BW
				#define PPC64_LPTEL_RO PPC64_LPTEL_BR


				typedef uint64_t ppc64_physaddr_t;

				typedef struct {
				uint64_t slbv;
				uint64_t slbe;
				} ppc64_slb_entry_t;

				typedef struct {
				uint64_t pte_hi;
				uint64_t pte_lo;
				} ppc64_pt_entry_t;

				#endif /* !__KVM_POWERPC64_H__ */