From: Alexey Kardashevskiy <aik@ozlabs.ru> To: linuxppc-dev@lists.ozlabs.org Cc: Alexey Kardashevskiy <aik@ozlabs.ru>, David Gibson <david@gibson.dropbear.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Alex Williamson <alex.williamson@redhat.com>, Gavin Shan <gwshan@linux.vnet.ibm.com>, Wei Yang <weiyang@linux.vnet.ibm.com>, linux-kernel@vger.kernel.org Subject: [PATCH kernel v10 25/34] powerpc/powernv/ioda2: Introduce helpers to allocate TCE pages Date: Tue, 12 May 2015 01:39:14 +1000 [thread overview] Message-ID: <1431358763-24371-26-git-send-email-aik@ozlabs.ru> (raw) In-Reply-To: <1431358763-24371-1-git-send-email-aik@ozlabs.ru> This is a part of moving TCE table allocation into an iommu_ops callback to support multiple IOMMU groups per one VFIO container. This moves the code which allocates the actual TCE tables to helpers: pnv_pci_ioda2_table_alloc_pages() and pnv_pci_ioda2_table_free_pages(). These do not allocate/free the iommu_table struct. This enforces window size to be a power of two. This should cause no behavioural change. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- Changes: v10: * removed @table_group parameter from pnv_pci_create_table as it was not used * removed *tce_table_allocated from pnv_alloc_tce_table_pages() * pnv_pci_create_table/pnv_pci_free_table renamed to pnv_pci_ioda2_table_alloc_pages/pnv_pci_ioda2_table_free_pages and moved back to pci-ioda.c as these only allocate pages for IODA2 and there is no chance they will be reused for IODA1/P5IOC2 * shortened subject line v9: * moved helpers to the common powernv pci.c file from pci-ioda.c * moved bits from pnv_pci_create_table() to pnv_alloc_tce_table_pages() --- arch/powerpc/platforms/powernv/pci-ioda.c | 82 +++++++++++++++++++++++-------- 1 file changed, 62 insertions(+), 20 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 9b80b74..7d98d83 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -49,6 +49,8 @@ /* 256M DMA window, 4K TCE pages, 8 bytes TCE */ #define TCE32_TABLE_SIZE ((0x10000000 / 0x1000) * 8) +static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl); + static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, const char *fmt, ...) { @@ -1313,8 +1315,8 @@ static void pnv_pci_ioda2_release_dma_pe(struct pci_dev *dev, struct pnv_ioda_pe iommu_group_put(pe->table_group.group); BUG_ON(pe->table_group.group); } + pnv_pci_ioda2_table_free_pages(tbl); iommu_free_table(tbl, of_node_full_name(dev->dev.of_node)); - free_pages(addr, get_order(TCE32_TABLE_SIZE)); } static void pnv_ioda_release_vf_PE(struct pci_dev *pdev, u16 num_vfs) @@ -2034,13 +2036,62 @@ static struct iommu_table_group_ops pnv_pci_ioda2_ops = { }; #endif -static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, - struct pnv_ioda_pe *pe) +static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift) { struct page *tce_mem = NULL; + __be64 *addr; + unsigned order = max_t(unsigned, shift, PAGE_SHIFT) - PAGE_SHIFT; + + tce_mem = alloc_pages_node(nid, GFP_KERNEL, order); + if (!tce_mem) { + pr_err("Failed to allocate a TCE memory, order=%d\n", order); + return NULL; + } + addr = page_address(tce_mem); + memset(addr, 0, 1UL << (order + PAGE_SHIFT)); + + return addr; +} + +static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, + __u32 page_shift, __u64 window_size, struct iommu_table *tbl) +{ void *addr; + const unsigned window_shift = ilog2(window_size); + unsigned entries_shift = window_shift - page_shift; + unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT); + const unsigned long tce_table_size = 1UL << table_shift; + + if ((window_size > memory_hotplug_max()) || !is_power_of_2(window_size)) + return -EINVAL; + + /* Allocate TCE table */ + addr = pnv_pci_ioda2_table_do_alloc_pages(nid, table_shift); + if (!addr) + return -ENOMEM; + + /* Setup linux iommu table */ + pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, bus_offset, + page_shift); + + pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n", + window_size, tce_table_size, bus_offset); + + return 0; +} + +static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl) +{ + if (!tbl->it_size) + return; + + free_pages(tbl->it_base, get_order(tbl->it_size << 3)); +} + +static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, + struct pnv_ioda_pe *pe) +{ struct iommu_table *tbl; - unsigned int tce_table_size, end; int64_t rc; /* We shouldn't already have a 32-bit DMA associated */ @@ -2059,24 +2110,16 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, /* The PE will reserve all possible 32-bits space */ pe->tce32_seg = 0; - end = (1 << ilog2(phb->ioda.m32_pci_base)); - tce_table_size = (end / 0x1000) * 8; pe_info(pe, "Setting up 32-bit TCE table at 0..%08x\n", - end); + phb->ioda.m32_pci_base); - /* Allocate TCE table */ - tce_mem = alloc_pages_node(phb->hose->node, GFP_KERNEL, - get_order(tce_table_size)); - if (!tce_mem) { - pe_err(pe, "Failed to allocate a 32-bit TCE memory\n"); + /* Setup linux iommu table */ + rc = pnv_pci_ioda2_table_alloc_pages(pe->phb->hose->node, + 0, IOMMU_PAGE_SHIFT_4K, phb->ioda.m32_pci_base, tbl); + if (rc) { + pe_err(pe, "Failed to create 32-bit TCE table, err %ld", rc); goto fail; } - addr = page_address(tce_mem); - memset(addr, 0, tce_table_size); - - /* Setup linux iommu table */ - pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, 0, - IOMMU_PAGE_SHIFT_4K); tbl->it_ops = &pnv_ioda2_iommu_ops; iommu_init_table(tbl, phb->hose->node); @@ -2122,9 +2165,8 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, fail: if (pe->tce32_seg >= 0) pe->tce32_seg = -1; - if (tce_mem) - __free_pages(tce_mem, get_order(tce_table_size)); if (tbl) { + pnv_pci_ioda2_table_free_pages(tbl); pnv_pci_unlink_table_and_group(tbl, &pe->table_group); iommu_free_table(tbl, "pnv"); } -- 2.4.0.rc3.8.gfb3e7d5
WARNING: multiple messages have this Message-ID (diff)
From: Alexey Kardashevskiy <aik@ozlabs.ru> To: linuxppc-dev@lists.ozlabs.org Cc: Wei Yang <weiyang@linux.vnet.ibm.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, Gavin Shan <gwshan@linux.vnet.ibm.com>, linux-kernel@vger.kernel.org, Alex Williamson <alex.williamson@redhat.com>, Paul Mackerras <paulus@samba.org>, David Gibson <david@gibson.dropbear.id.au> Subject: [PATCH kernel v10 25/34] powerpc/powernv/ioda2: Introduce helpers to allocate TCE pages Date: Tue, 12 May 2015 01:39:14 +1000 [thread overview] Message-ID: <1431358763-24371-26-git-send-email-aik@ozlabs.ru> (raw) In-Reply-To: <1431358763-24371-1-git-send-email-aik@ozlabs.ru> This is a part of moving TCE table allocation into an iommu_ops callback to support multiple IOMMU groups per one VFIO container. This moves the code which allocates the actual TCE tables to helpers: pnv_pci_ioda2_table_alloc_pages() and pnv_pci_ioda2_table_free_pages(). These do not allocate/free the iommu_table struct. This enforces window size to be a power of two. This should cause no behavioural change. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- Changes: v10: * removed @table_group parameter from pnv_pci_create_table as it was not used * removed *tce_table_allocated from pnv_alloc_tce_table_pages() * pnv_pci_create_table/pnv_pci_free_table renamed to pnv_pci_ioda2_table_alloc_pages/pnv_pci_ioda2_table_free_pages and moved back to pci-ioda.c as these only allocate pages for IODA2 and there is no chance they will be reused for IODA1/P5IOC2 * shortened subject line v9: * moved helpers to the common powernv pci.c file from pci-ioda.c * moved bits from pnv_pci_create_table() to pnv_alloc_tce_table_pages() --- arch/powerpc/platforms/powernv/pci-ioda.c | 82 +++++++++++++++++++++++-------- 1 file changed, 62 insertions(+), 20 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 9b80b74..7d98d83 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -49,6 +49,8 @@ /* 256M DMA window, 4K TCE pages, 8 bytes TCE */ #define TCE32_TABLE_SIZE ((0x10000000 / 0x1000) * 8) +static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl); + static void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level, const char *fmt, ...) { @@ -1313,8 +1315,8 @@ static void pnv_pci_ioda2_release_dma_pe(struct pci_dev *dev, struct pnv_ioda_pe iommu_group_put(pe->table_group.group); BUG_ON(pe->table_group.group); } + pnv_pci_ioda2_table_free_pages(tbl); iommu_free_table(tbl, of_node_full_name(dev->dev.of_node)); - free_pages(addr, get_order(TCE32_TABLE_SIZE)); } static void pnv_ioda_release_vf_PE(struct pci_dev *pdev, u16 num_vfs) @@ -2034,13 +2036,62 @@ static struct iommu_table_group_ops pnv_pci_ioda2_ops = { }; #endif -static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, - struct pnv_ioda_pe *pe) +static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift) { struct page *tce_mem = NULL; + __be64 *addr; + unsigned order = max_t(unsigned, shift, PAGE_SHIFT) - PAGE_SHIFT; + + tce_mem = alloc_pages_node(nid, GFP_KERNEL, order); + if (!tce_mem) { + pr_err("Failed to allocate a TCE memory, order=%d\n", order); + return NULL; + } + addr = page_address(tce_mem); + memset(addr, 0, 1UL << (order + PAGE_SHIFT)); + + return addr; +} + +static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, + __u32 page_shift, __u64 window_size, struct iommu_table *tbl) +{ void *addr; + const unsigned window_shift = ilog2(window_size); + unsigned entries_shift = window_shift - page_shift; + unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT); + const unsigned long tce_table_size = 1UL << table_shift; + + if ((window_size > memory_hotplug_max()) || !is_power_of_2(window_size)) + return -EINVAL; + + /* Allocate TCE table */ + addr = pnv_pci_ioda2_table_do_alloc_pages(nid, table_shift); + if (!addr) + return -ENOMEM; + + /* Setup linux iommu table */ + pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, bus_offset, + page_shift); + + pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n", + window_size, tce_table_size, bus_offset); + + return 0; +} + +static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl) +{ + if (!tbl->it_size) + return; + + free_pages(tbl->it_base, get_order(tbl->it_size << 3)); +} + +static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, + struct pnv_ioda_pe *pe) +{ struct iommu_table *tbl; - unsigned int tce_table_size, end; int64_t rc; /* We shouldn't already have a 32-bit DMA associated */ @@ -2059,24 +2110,16 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, /* The PE will reserve all possible 32-bits space */ pe->tce32_seg = 0; - end = (1 << ilog2(phb->ioda.m32_pci_base)); - tce_table_size = (end / 0x1000) * 8; pe_info(pe, "Setting up 32-bit TCE table at 0..%08x\n", - end); + phb->ioda.m32_pci_base); - /* Allocate TCE table */ - tce_mem = alloc_pages_node(phb->hose->node, GFP_KERNEL, - get_order(tce_table_size)); - if (!tce_mem) { - pe_err(pe, "Failed to allocate a 32-bit TCE memory\n"); + /* Setup linux iommu table */ + rc = pnv_pci_ioda2_table_alloc_pages(pe->phb->hose->node, + 0, IOMMU_PAGE_SHIFT_4K, phb->ioda.m32_pci_base, tbl); + if (rc) { + pe_err(pe, "Failed to create 32-bit TCE table, err %ld", rc); goto fail; } - addr = page_address(tce_mem); - memset(addr, 0, tce_table_size); - - /* Setup linux iommu table */ - pnv_pci_setup_iommu_table(tbl, addr, tce_table_size, 0, - IOMMU_PAGE_SHIFT_4K); tbl->it_ops = &pnv_ioda2_iommu_ops; iommu_init_table(tbl, phb->hose->node); @@ -2122,9 +2165,8 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, fail: if (pe->tce32_seg >= 0) pe->tce32_seg = -1; - if (tce_mem) - __free_pages(tce_mem, get_order(tce_table_size)); if (tbl) { + pnv_pci_ioda2_table_free_pages(tbl); pnv_pci_unlink_table_and_group(tbl, &pe->table_group); iommu_free_table(tbl, "pnv"); } -- 2.4.0.rc3.8.gfb3e7d5
next prev parent reply other threads:[~2015-05-11 15:41 UTC|newest] Thread overview: 163+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-05-11 15:38 [PATCH kernel v10 00/34] powerpc/iommu/vfio: Enable Dynamic DMA windows Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-11 15:38 ` [PATCH kernel v10 01/34] powerpc/eeh/ioda2: Use device::iommu_group to check IOMMU group Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-12 1:51 ` Gavin Shan 2015-05-12 1:51 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 02/34] powerpc/iommu/powernv: Get rid of set_iommu_table_base_and_group Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 5:18 ` Gavin Shan 2015-05-13 5:18 ` Gavin Shan 2015-05-13 7:26 ` Alexey Kardashevskiy 2015-05-13 7:26 ` Alexey Kardashevskiy 2015-05-11 15:38 ` [PATCH kernel v10 03/34] powerpc/powernv/ioda: Clean up IOMMU group registration Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 5:21 ` Gavin Shan 2015-05-13 5:21 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 04/34] powerpc/iommu: Put IOMMU group explicitly Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 5:27 ` Gavin Shan 2015-05-13 5:27 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 05/34] powerpc/iommu: Always release iommu_table in iommu_free_table() Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 5:33 ` Gavin Shan 2015-05-13 5:33 ` Gavin Shan 2015-05-13 6:30 ` Alexey Kardashevskiy 2015-05-13 6:30 ` Alexey Kardashevskiy 2015-05-13 12:51 ` Thomas Huth 2015-05-13 12:51 ` Thomas Huth 2015-05-13 23:27 ` Gavin Shan 2015-05-13 23:27 ` Gavin Shan 2015-05-14 2:34 ` Alexey Kardashevskiy 2015-05-14 2:53 ` Alex Williamson 2015-05-14 2:53 ` Alex Williamson 2015-05-14 6:29 ` Alexey Kardashevskiy 2015-05-14 6:29 ` Alexey Kardashevskiy 2015-05-11 15:38 ` [PATCH kernel v10 06/34] vfio: powerpc/spapr: Move page pinning from arch code to VFIO IOMMU driver Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 5:58 ` Gavin Shan 2015-05-13 5:58 ` Gavin Shan 2015-05-13 6:32 ` Alexey Kardashevskiy 2015-05-13 6:32 ` Alexey Kardashevskiy 2015-05-11 15:38 ` [PATCH kernel v10 07/34] vfio: powerpc/spapr: Check that IOMMU page is fully contained by system page Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 6:06 ` Gavin Shan 2015-05-13 6:06 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 08/34] vfio: powerpc/spapr: Use it_page_size Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 6:12 ` Gavin Shan 2015-05-13 6:12 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 09/34] vfio: powerpc/spapr: Move locked_vm accounting to helpers Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 6:18 ` Gavin Shan 2015-05-13 6:18 ` Gavin Shan 2015-05-11 15:38 ` [PATCH kernel v10 10/34] vfio: powerpc/spapr: Disable DMA mappings on disabled container Alexey Kardashevskiy 2015-05-11 15:38 ` Alexey Kardashevskiy 2015-05-13 6:20 ` Gavin Shan 2015-05-13 6:20 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 11/34] vfio: powerpc/spapr: Moving pinning/unpinning to helpers Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 6:32 ` Gavin Shan 2015-05-13 6:32 ` Gavin Shan 2015-05-13 7:30 ` Alexey Kardashevskiy 2015-05-13 7:30 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 12/34] vfio: powerpc/spapr: Rework groups attaching Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 23:35 ` Gavin Shan 2015-05-13 23:35 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 13/34] powerpc/powernv: Do not set "read" flag if direction==DMA_NONE Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 0:00 ` Gavin Shan 2015-05-14 0:00 ` Gavin Shan 2015-05-14 2:51 ` Alexey Kardashevskiy 2015-05-14 2:51 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 14/34] powerpc/iommu: Move tce_xxx callbacks from ppc_md to iommu_table Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 0:23 ` Gavin Shan 2015-05-14 0:23 ` Gavin Shan 2015-05-14 3:07 ` Alexey Kardashevskiy 2015-05-14 3:07 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 15/34] powerpc/powernv/ioda/ioda2: Rework TCE invalidation in tce_build()/tce_free() Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 0:48 ` Gavin Shan 2015-05-14 0:48 ` Gavin Shan 2015-05-14 3:19 ` Alexey Kardashevskiy 2015-05-14 3:19 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 16/34] powerpc/spapr: vfio: Replace iommu_table with iommu_table_group Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 21:30 ` Alex Williamson 2015-05-13 21:30 ` Alex Williamson 2015-05-14 1:21 ` Gavin Shan 2015-05-14 1:21 ` Gavin Shan 2015-05-14 3:31 ` Alexey Kardashevskiy 2015-05-14 3:31 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 17/34] powerpc/spapr: vfio: Switch from iommu_table to new iommu_table_group Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 1:52 ` Gavin Shan 2015-05-14 1:52 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 18/34] vfio: powerpc/spapr/iommu/powernv/ioda2: Rework IOMMU ownership control Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 2:01 ` Gavin Shan 2015-05-14 2:01 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 19/34] powerpc/iommu: Fix IOMMU ownership control functions Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 3:36 ` Gavin Shan 2015-05-14 3:36 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 20/34] powerpc/powernv/ioda2: Move TCE kill register address to PE Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 2:10 ` Gavin Shan 2015-05-14 2:10 ` Gavin Shan 2015-05-14 3:39 ` Alexey Kardashevskiy 2015-05-14 3:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 21/34] powerpc/powernv/ioda2: Add TCE invalidation for all attached groups Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 2:22 ` Gavin Shan 2015-05-14 2:22 ` Gavin Shan 2015-05-14 3:50 ` Alexey Kardashevskiy 2015-05-14 3:50 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 22/34] powerpc/powernv: Implement accessor to TCE entry Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 2:34 ` Gavin Shan 2015-05-14 2:34 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 23/34] powerpc/iommu/powernv: Release replaced TCE Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 15:00 ` Thomas Huth 2015-05-13 15:00 ` Thomas Huth 2015-05-14 3:53 ` Alexey Kardashevskiy 2015-05-14 3:53 ` Alexey Kardashevskiy 2015-05-15 8:09 ` Thomas Huth 2015-05-15 8:09 ` Thomas Huth 2015-05-11 15:39 ` [PATCH kernel v10 24/34] powerpc/powernv/ioda2: Rework iommu_table creation Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 4:14 ` Gavin Shan 2015-05-14 4:14 ` Gavin Shan 2015-05-11 15:39 ` Alexey Kardashevskiy [this message] 2015-05-11 15:39 ` [PATCH kernel v10 25/34] powerpc/powernv/ioda2: Introduce helpers to allocate TCE pages Alexey Kardashevskiy 2015-05-14 4:31 ` Gavin Shan 2015-05-14 4:31 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 26/34] powerpc/powernv/ioda2: Introduce pnv_pci_ioda2_set_window Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-14 5:01 ` Gavin Shan 2015-05-14 5:01 ` Gavin Shan 2015-05-11 15:39 ` [PATCH kernel v10 27/34] powerpc/powernv: Implement multilevel TCE tables Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 28/34] vfio: powerpc/spapr: powerpc/powernv/ioda: Define and implement DMA windows API Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 21:30 ` Alex Williamson 2015-05-13 21:30 ` Alex Williamson 2015-05-11 15:39 ` [PATCH kernel v10 29/34] powerpc/powernv/ioda2: Use new helpers to do proper cleanup on PE release Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 30/34] powerpc/iommu/ioda2: Add get_table_size() to calculate the size of future table Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 31/34] vfio: powerpc/spapr: powerpc/powernv/ioda2: Use DMA windows API in ownership control Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 32/34] powerpc/mmu: Add userspace-to-physical addresses translation cache Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 33/34] vfio: powerpc/spapr: Register memory and define IOMMU v2 Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy 2015-05-13 21:30 ` Alex Williamson 2015-05-13 21:30 ` Alex Williamson 2015-05-14 6:08 ` Alexey Kardashevskiy 2015-05-14 6:08 ` Alexey Kardashevskiy 2015-05-11 15:39 ` [PATCH kernel v10 34/34] vfio: powerpc/spapr: Support Dynamic DMA windows Alexey Kardashevskiy 2015-05-11 15:39 ` Alexey Kardashevskiy
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