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Diffstat (limited to 'linux-headers/asm-powerpc/kvm_para.h')
| -rw-r--r-- | linux-headers/asm-powerpc/kvm_para.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/linux-headers/asm-powerpc/kvm_para.h b/linux-headers/asm-powerpc/kvm_para.h deleted file mode 100644 index 9beb49cc10..0000000000 --- a/linux-headers/asm-powerpc/kvm_para.h +++ /dev/null @@ -1,98 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * Copyright IBM Corp. 2008 - * - * Authors: Hollis Blanchard <hollisb@us.ibm.com> - */ - -#ifndef __POWERPC_KVM_PARA_H__ -#define __POWERPC_KVM_PARA_H__ - -#include <linux/types.h> - -/* - * Additions to this struct must only occur at the end, and should be - * accompanied by a KVM_MAGIC_FEAT flag to advertise that they are present - * (albeit not necessarily relevant to the current target hardware platform). - * - * Struct fields are always 32 or 64 bit aligned, depending on them being 32 - * or 64 bit wide respectively. - * - * See Documentation/virtual/kvm/ppc-pv.txt - */ -struct kvm_vcpu_arch_shared { - __u64 scratch1; - __u64 scratch2; - __u64 scratch3; - __u64 critical; /* Guest may not get interrupts if == r1 */ - __u64 sprg0; - __u64 sprg1; - __u64 sprg2; - __u64 sprg3; - __u64 srr0; - __u64 srr1; - __u64 dar; /* dear on BookE */ - __u64 msr; - __u32 dsisr; - __u32 int_pending; /* Tells the guest if we have an interrupt */ - __u32 sr[16]; - __u32 mas0; - __u32 mas1; - __u64 mas7_3; - __u64 mas2; - __u32 mas4; - __u32 mas6; - __u32 esr; - __u32 pir; - - /* - * SPRG4-7 are user-readable, so we can only keep these consistent - * between the shared area and the real registers when there's an - * intervening exit to KVM. This also applies to SPRG3 on some - * chips. - * - * This suffices for access by guest userspace, since in PR-mode - * KVM, an exit must occur when changing the guest's MSR[PR]. - * If the guest kernel writes to SPRG3-7 via the shared area, it - * must also use the shared area for reading while in kernel space. - */ - __u64 sprg4; - __u64 sprg5; - __u64 sprg6; - __u64 sprg7; -}; - -#define KVM_SC_MAGIC_R0 0x4b564d21 /* "KVM!" */ - -#define KVM_HCALL_TOKEN(num) _EV_HCALL_TOKEN(EV_KVM_VENDOR_ID, num) - -#include <asm/epapr_hcalls.h> - -#define KVM_FEATURE_MAGIC_PAGE 1 - -/* Magic page flags from host to guest */ - -#define KVM_MAGIC_FEAT_SR (1 << 0) - -/* MASn, ESR, PIR, and high SPRGs */ -#define KVM_MAGIC_FEAT_MAS0_TO_SPRG7 (1 << 1) - -/* Magic page flags from guest to host */ - -#define MAGIC_PAGE_FLAG_NOT_MAPPED_NX (1 << 0) - - -#endif /* __POWERPC_KVM_PARA_H__ */ |