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Diffstat (limited to 'arch/powerpc/kvm/44x.c')
-rw-r--r--arch/powerpc/kvm/44x.c237
1 files changed, 0 insertions, 237 deletions
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
deleted file mode 100644
index 9cb4b0a36031..000000000000
--- a/arch/powerpc/kvm/44x.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * 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>
- */
-
-#include <linux/kvm_host.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/export.h>
-#include <linux/module.h>
-#include <linux/miscdevice.h>
-
-#include <asm/reg.h>
-#include <asm/cputable.h>
-#include <asm/tlbflush.h>
-#include <asm/kvm_44x.h>
-#include <asm/kvm_ppc.h>
-
-#include "44x_tlb.h"
-#include "booke.h"
-
-static void kvmppc_core_vcpu_load_44x(struct kvm_vcpu *vcpu, int cpu)
-{
- kvmppc_booke_vcpu_load(vcpu, cpu);
- kvmppc_44x_tlb_load(vcpu);
-}
-
-static void kvmppc_core_vcpu_put_44x(struct kvm_vcpu *vcpu)
-{
- kvmppc_44x_tlb_put(vcpu);
- kvmppc_booke_vcpu_put(vcpu);
-}
-
-int kvmppc_core_check_processor_compat(void)
-{
- int r;
-
- if (strncmp(cur_cpu_spec->platform, "ppc440", 6) == 0)
- r = 0;
- else
- r = -ENOTSUPP;
-
- return r;
-}
-
-int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
-{
- struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
- struct kvmppc_44x_tlbe *tlbe = &vcpu_44x->guest_tlb[0];
- int i;
-
- tlbe->tid = 0;
- tlbe->word0 = PPC44x_TLB_16M | PPC44x_TLB_VALID;
- tlbe->word1 = 0;
- tlbe->word2 = PPC44x_TLB_SX | PPC44x_TLB_SW | PPC44x_TLB_SR;
-
- tlbe++;
- tlbe->tid = 0;
- tlbe->word0 = 0xef600000 | PPC44x_TLB_4K | PPC44x_TLB_VALID;
- tlbe->word1 = 0xef600000;
- tlbe->word2 = PPC44x_TLB_SX | PPC44x_TLB_SW | PPC44x_TLB_SR
- | PPC44x_TLB_I | PPC44x_TLB_G;
-
- /* Since the guest can directly access the timebase, it must know the
- * real timebase frequency. Accordingly, it must see the state of
- * CCR1[TCS]. */
- /* XXX CCR1 doesn't exist on all 440 SoCs. */
- vcpu->arch.ccr1 = mfspr(SPRN_CCR1);
-
- for (i = 0; i < ARRAY_SIZE(vcpu_44x->shadow_refs); i++)
- vcpu_44x->shadow_refs[i].gtlb_index = -1;
-
- vcpu->arch.cpu_type = KVM_CPU_440;
- vcpu->arch.pvr = mfspr(SPRN_PVR);
-
- return 0;
-}
-
-/* 'linear_address' is actually an encoding of AS|PID|EADDR . */
-int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
- struct kvm_translation *tr)
-{
- int index;
- gva_t eaddr;
- u8 pid;
- u8 as;
-
- eaddr = tr->linear_address;
- pid = (tr->linear_address >> 32) & 0xff;
- as = (tr->linear_address >> 40) & 0x1;
-
- index = kvmppc_44x_tlb_index(vcpu, eaddr, pid, as);
- if (index == -1) {
- tr->valid = 0;
- return 0;
- }
-
- tr->physical_address = kvmppc_mmu_xlate(vcpu, index, eaddr);
- /* XXX what does "writeable" and "usermode" even mean? */
- tr->valid = 1;
-
- return 0;
-}
-
-static int kvmppc_core_get_sregs_44x(struct kvm_vcpu *vcpu,
- struct kvm_sregs *sregs)
-{
- return kvmppc_get_sregs_ivor(vcpu, sregs);
-}
-
-static int kvmppc_core_set_sregs_44x(struct kvm_vcpu *vcpu,
- struct kvm_sregs *sregs)
-{
- return kvmppc_set_sregs_ivor(vcpu, sregs);
-}
-
-static int kvmppc_get_one_reg_44x(struct kvm_vcpu *vcpu, u64 id,
- union kvmppc_one_reg *val)
-{
- return -EINVAL;
-}
-
-static int kvmppc_set_one_reg_44x(struct kvm_vcpu *vcpu, u64 id,
- union kvmppc_one_reg *val)
-{
- return -EINVAL;
-}
-
-static struct kvm_vcpu *kvmppc_core_vcpu_create_44x(struct kvm *kvm,
- unsigned int id)
-{
- struct kvmppc_vcpu_44x *vcpu_44x;
- struct kvm_vcpu *vcpu;
- int err;
-
- vcpu_44x = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL);
- if (!vcpu_44x) {
- err = -ENOMEM;
- goto out;
- }
-
- vcpu = &vcpu_44x->vcpu;
- err = kvm_vcpu_init(vcpu, kvm, id);
- if (err)
- goto free_vcpu;
-
- vcpu->arch.shared = (void*)__get_free_page(GFP_KERNEL|__GFP_ZERO);
- if (!vcpu->arch.shared)
- goto uninit_vcpu;
-
- return vcpu;
-
-uninit_vcpu:
- kvm_vcpu_uninit(vcpu);
-free_vcpu:
- kmem_cache_free(kvm_vcpu_cache, vcpu_44x);
-out:
- return ERR_PTR(err);
-}
-
-static void kvmppc_core_vcpu_free_44x(struct kvm_vcpu *vcpu)
-{
- struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
-
- free_page((unsigned long)vcpu->arch.shared);
- kvm_vcpu_uninit(vcpu);
- kmem_cache_free(kvm_vcpu_cache, vcpu_44x);
-}
-
-static int kvmppc_core_init_vm_44x(struct kvm *kvm)
-{
- return 0;
-}
-
-static void kvmppc_core_destroy_vm_44x(struct kvm *kvm)
-{
-}
-
-static struct kvmppc_ops kvm_ops_44x = {
- .get_sregs = kvmppc_core_get_sregs_44x,
- .set_sregs = kvmppc_core_set_sregs_44x,
- .get_one_reg = kvmppc_get_one_reg_44x,
- .set_one_reg = kvmppc_set_one_reg_44x,
- .vcpu_load = kvmppc_core_vcpu_load_44x,
- .vcpu_put = kvmppc_core_vcpu_put_44x,
- .vcpu_create = kvmppc_core_vcpu_create_44x,
- .vcpu_free = kvmppc_core_vcpu_free_44x,
- .mmu_destroy = kvmppc_mmu_destroy_44x,
- .init_vm = kvmppc_core_init_vm_44x,
- .destroy_vm = kvmppc_core_destroy_vm_44x,
- .emulate_op = kvmppc_core_emulate_op_44x,
- .emulate_mtspr = kvmppc_core_emulate_mtspr_44x,
- .emulate_mfspr = kvmppc_core_emulate_mfspr_44x,
-};
-
-static int __init kvmppc_44x_init(void)
-{
- int r;
-
- r = kvmppc_booke_init();
- if (r)
- goto err_out;
-
- r = kvm_init(NULL, sizeof(struct kvmppc_vcpu_44x), 0, THIS_MODULE);
- if (r)
- goto err_out;
- kvm_ops_44x.owner = THIS_MODULE;
- kvmppc_pr_ops = &kvm_ops_44x;
-
-err_out:
- return r;
-}
-
-static void __exit kvmppc_44x_exit(void)
-{
- kvmppc_pr_ops = NULL;
- kvmppc_booke_exit();
-}
-
-module_init(kvmppc_44x_init);
-module_exit(kvmppc_44x_exit);
-MODULE_ALIAS_MISCDEV(KVM_MINOR);
-MODULE_ALIAS("devname:kvm");