diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_vio_hv.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_vio_hv.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c deleted file mode 100644 index 30c2f3b134c6..000000000000 --- a/arch/powerpc/kvm/book3s_64_vio_hv.c +++ /dev/null @@ -1,76 +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 2010 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com> - * Copyright 2011 David Gibson, IBM Corporation <dwg@au1.ibm.com> - */ - -#include <linux/types.h> -#include <linux/string.h> -#include <linux/kvm.h> -#include <linux/kvm_host.h> -#include <linux/highmem.h> -#include <linux/gfp.h> -#include <linux/slab.h> -#include <linux/hugetlb.h> -#include <linux/list.h> - -#include <asm/tlbflush.h> -#include <asm/kvm_ppc.h> -#include <asm/kvm_book3s.h> -#include <asm/mmu-hash64.h> -#include <asm/hvcall.h> -#include <asm/synch.h> -#include <asm/ppc-opcode.h> -#include <asm/kvm_host.h> -#include <asm/udbg.h> - -#define TCES_PER_PAGE (PAGE_SIZE / sizeof(u64)) - -/* WARNING: This will be called in real-mode on HV KVM and virtual - * mode on PR KVM - */ -long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, - unsigned long ioba, unsigned long tce) -{ - struct kvm *kvm = vcpu->kvm; - struct kvmppc_spapr_tce_table *stt; - - /* udbg_printf("H_PUT_TCE(): liobn=0x%lx ioba=0x%lx, tce=0x%lx\n", */ - /* liobn, ioba, tce); */ - - list_for_each_entry(stt, &kvm->arch.spapr_tce_tables, list) { - if (stt->liobn == liobn) { - unsigned long idx = ioba >> SPAPR_TCE_SHIFT; - struct page *page; - u64 *tbl; - - /* udbg_printf("H_PUT_TCE: liobn 0x%lx => stt=%p window_size=0x%x\n", */ - /* liobn, stt, stt->window_size); */ - if (ioba >= stt->window_size) - return H_PARAMETER; - - page = stt->pages[idx / TCES_PER_PAGE]; - tbl = (u64 *)page_address(page); - - /* FIXME: Need to validate the TCE itself */ - /* udbg_printf("tce @ %p\n", &tbl[idx % TCES_PER_PAGE]); */ - tbl[idx % TCES_PER_PAGE] = tce; - return H_SUCCESS; - } - } - - /* Didn't find the liobn, punt it to userspace */ - return H_TOO_HARD; -} |