From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 7D7A01A0692 for ; Thu, 24 Jul 2014 18:48:21 +1000 (EST) Received: from /spool/local by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 24 Jul 2014 18:48:16 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id B66EC3578048 for ; Thu, 24 Jul 2014 18:48:14 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s6O8VHll48300170 for ; Thu, 24 Jul 2014 18:31:17 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s6O8mE6i004743 for ; Thu, 24 Jul 2014 18:48:14 +1000 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 00/18] powernv: vfio: Add Dynamic DMA windows (DDW) Date: Thu, 24 Jul 2014 18:47:53 +1000 Message-Id: <1406191691-31441-1-git-send-email-aik@ozlabs.ru> Cc: Alexey Kardashevskiy , Paul Mackerras , Gavin Shan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This prepares existing upstream kernel for DDW (Dynamic DMA windows) and adds actual DDW support for VFIO. This patchset does not contain any in-kernel acceleration stuff. This patchset does not enable DDW for emulated devices. Changes: v3: * applied multiple comments from Gavin regarding error checking and callbacks placements v2: * moved "Account TCE pages in locked_vm" here (was in later series) * added counting for huge window to locked_vm (ugly but better than nothing) * fixed bug with missing >>PAGE_SHIFT when calling pfn_to_page Alexey Kardashevskiy (18): powerpc/iommu: Fix comments with it_page_shift KVM: PPC: Use RCU when adding to arch.spapr_tce_tables KVM: PPC: Account TCE pages in locked_vm vfio: powerpc: Move locked_vm accounting to a helper powerpc/powernv: Use it_page_shift for TCE invalidation powerpc/powernv: Use it_page_shift in TCE build powerpc/powernv: Add a page size parameter to pnv_pci_setup_iommu_table() powerpc/powernv: Make invalidate() a callback powerpc/spapr: vfio: Implement spapr_tce_iommu_ops powerpc/powernv: Convert/move set_bypass() callback to take_ownership() powerpc/iommu: Fix IOMMU ownership control functions powerpc/iommu: Fix missing permission bits in iommu_put_tce_user_mode() powerpc/iommu: Extend ppc_md.tce_build(_rm) to return old TCE values powerpc/powernv: Return non-zero TCE from pnv_tce_build powerpc/iommu: Implement put_page() if TCE had non-zero value powerpc/powernv: Implement Dynamic DMA windows (DDW) for IODA vfio: Use it_page_size vfio: powerpc: Enable Dynamic DMA windows arch/powerpc/include/asm/iommu.h | 7 +- arch/powerpc/include/asm/machdep.h | 2 + arch/powerpc/include/asm/tce.h | 38 +++ arch/powerpc/kernel/iommu.c | 98 +++++--- arch/powerpc/kvm/book3s_64_vio.c | 37 ++- arch/powerpc/platforms/powernv/pci-ioda.c | 255 ++++++++++++++++--- arch/powerpc/platforms/powernv/pci-p5ioc2.c | 4 +- arch/powerpc/platforms/powernv/pci.c | 64 +++-- arch/powerpc/platforms/powernv/pci.h | 17 +- arch/powerpc/platforms/pseries/iommu.c | 17 +- arch/powerpc/sysdev/dart_iommu.c | 1 + drivers/vfio/vfio_iommu_spapr_tce.c | 365 ++++++++++++++++++++++++---- include/uapi/linux/vfio.h | 37 ++- 13 files changed, 797 insertions(+), 145 deletions(-) -- 2.0.0