From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> To: linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org Cc: joro@8bytes.org, robh+dt@kernel.org, mark.rutland@arm.com, catalin.marinas@arm.com, will.deacon@arm.com, lorenzo.pieralisi@arm.com, hanjun.guo@linaro.org, sudeep.holla@arm.com, rjw@rjwysocki.net, lenb@kernel.org, robin.murphy@arm.com, bhelgaas@google.com, alex.williamson@redhat.com, tn@semihalf.com, liubo95@huawei.com, thunder.leizhen@huawei.com, xieyisheng1@huawei.com, xuzaibo@huawei.com, ilias.apalodimas@linaro.org, jonathan.cameron@huawei.com, shunyong.yang@hxt-semitech.com, nwatters@codeaurora.org, okaya@codeaurora.org, jcrouse@codeaurora.org, rfranz@cavium.com, dwmw2@infradead.org, jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com, ashok.raj@intel.com, robdclark@gmail.com, christian.koenig@amd.com, bharatku@xilinx.com Subject: [PATCH 20/37] iommu/arm-smmu-v3: Share process page tables Date: Mon, 12 Feb 2018 18:33:35 +0000 [thread overview] Message-ID: <20180212183352.22730-21-jean-philippe.brucker@arm.com> (raw) In-Reply-To: <20180212183352.22730-1-jean-philippe.brucker@arm.com> With Shared Virtual Addressing (SVA), we need to mirror CPU TTBR, TCR, MAIR and ASIDs in SMMU contexts. Each SMMU has a single ASID space split into two sets, shared and private. Shared ASIDs correspond to those obtained from the arch ASID allocator, and private ASIDs are used for "classic" map/unmap DMA. Replace the ASID IDA with an IDR, allowing to keep information about each context. Initialize shared contexts with info obtained from the mm. Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> --- drivers/iommu/arm-smmu-v3-context.c | 181 ++++++++++++++++++++++++++++++++++-- 1 file changed, 171 insertions(+), 10 deletions(-) diff --git a/drivers/iommu/arm-smmu-v3-context.c b/drivers/iommu/arm-smmu-v3-context.c index aaffc2071966..b7c90384ff56 100644 --- a/drivers/iommu/arm-smmu-v3-context.c +++ b/drivers/iommu/arm-smmu-v3-context.c @@ -10,9 +10,11 @@ #include <linux/dma-mapping.h> #include <linux/idr.h> #include <linux/kernel.h> +#include <linux/mmu_context.h> #include <linux/slab.h> #include "iommu-pasid.h" +#include "io-pgtable-arm.h" /* * Linear: when less than 1024 SSIDs are supported @@ -87,6 +89,9 @@ struct arm_smmu_cd { u64 ttbr; u64 tcr; u64 mair; + + refcount_t refs; + struct mm_struct *mm; }; #define pasid_entry_to_cd(entry) \ @@ -118,7 +123,8 @@ struct arm_smmu_cd_tables { #define pasid_ops_to_tables(ops) \ pasid_to_cd_tables(iommu_pasid_table_ops_to_table(ops)) -static DEFINE_IDA(asid_ida); +static DEFINE_SPINLOCK(asid_lock); +static DEFINE_IDR(asid_idr); static int arm_smmu_alloc_cd_leaf_table(struct device *dev, struct arm_smmu_cd_table *desc, @@ -260,7 +266,8 @@ static int arm_smmu_write_ctx_desc(struct arm_smmu_cd_tables *tbl, int ssid, CTXDESC_CD_0_ENDI | #endif CTXDESC_CD_0_R | CTXDESC_CD_0_A | - CTXDESC_CD_0_ASET_PRIVATE | + (cd->mm ? CTXDESC_CD_0_ASET_SHARED : + CTXDESC_CD_0_ASET_PRIVATE) | CTXDESC_CD_0_AA64 | (cd->entry.tag & CTXDESC_CD_0_ASID_MASK) << CTXDESC_CD_0_ASID_SHIFT | @@ -277,10 +284,145 @@ static int arm_smmu_write_ctx_desc(struct arm_smmu_cd_tables *tbl, int ssid, return 0; } +static bool arm_smmu_free_asid(struct arm_smmu_cd *cd) +{ + bool free; + struct arm_smmu_cd *old_cd; + + spin_lock(&asid_lock); + free = refcount_dec_and_test(&cd->refs); + if (free) { + old_cd = idr_remove(&asid_idr, (u16)cd->entry.tag); + WARN_ON(old_cd != cd); + } + spin_unlock(&asid_lock); + + return free; +} + +static struct arm_smmu_cd *arm_smmu_alloc_cd(struct arm_smmu_cd_tables *tbl) +{ + struct arm_smmu_cd *cd; + + cd = kzalloc(sizeof(*cd), GFP_KERNEL); + if (!cd) + return NULL; + + refcount_set(&cd->refs, 1); + + return cd; +} + +static struct arm_smmu_cd *arm_smmu_share_asid(u16 asid) +{ + struct arm_smmu_cd *cd; + + cd = idr_find(&asid_idr, asid); + if (!cd) + return NULL; + + if (cd->mm) { + /* + * It's pretty common to find a stale CD when doing unbind-bind, + * given that the release happens after a RCU grace period. + * Simply reuse it. + */ + refcount_inc(&cd->refs); + return cd; + } + + /* + * Ouch, ASID is already in use for a private cd. + * TODO: seize it, for the common good. + */ + return ERR_PTR(-EEXIST); +} + static struct iommu_pasid_entry * arm_smmu_alloc_shared_cd(struct iommu_pasid_table_ops *ops, struct mm_struct *mm) { - return ERR_PTR(-ENODEV); + u16 asid; + u64 tcr, par, reg; + int ret = -ENOMEM; + struct arm_smmu_cd *cd; + struct arm_smmu_cd *old_cd = NULL; + struct arm_smmu_cd_tables *tbl = pasid_ops_to_tables(ops); + + asid = mm_context_get(mm); + if (!asid) + return ERR_PTR(-ESRCH); + + cd = arm_smmu_alloc_cd(tbl); + if (!cd) + goto err_put_context; + + idr_preload(GFP_KERNEL); + spin_lock(&asid_lock); + old_cd = arm_smmu_share_asid(asid); + if (!old_cd) + ret = idr_alloc(&asid_idr, cd, asid, asid + 1, GFP_ATOMIC); + spin_unlock(&asid_lock); + idr_preload_end(); + + if (!IS_ERR_OR_NULL(old_cd)) { + if (WARN_ON(old_cd->mm != mm)) { + ret = -EINVAL; + goto err_free_cd; + } + kfree(cd); + mm_context_put(mm); + return &old_cd->entry; + } else if (old_cd) { + ret = PTR_ERR(old_cd); + goto err_free_cd; + } + + tcr = TCR_T0SZ(VA_BITS) | TCR_IRGN0_WBWA | TCR_ORGN0_WBWA | + TCR_SH0_INNER | ARM_LPAE_TCR_EPD1; + + switch (PAGE_SIZE) { + case SZ_4K: + tcr |= TCR_TG0_4K; + break; + case SZ_16K: + tcr |= TCR_TG0_16K; + break; + case SZ_64K: + tcr |= TCR_TG0_64K; + break; + default: + WARN_ON(1); + ret = -EINVAL; + goto err_free_asid; + } + + reg = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); + par = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_PARANGE_SHIFT); + tcr |= par << ARM_LPAE_TCR_IPS_SHIFT; + + cd->ttbr = virt_to_phys(mm->pgd); + cd->tcr = tcr; + /* + * MAIR value is pretty much constant and global, so we can just get it + * from the current CPU register + */ + cd->mair = read_sysreg(mair_el1); + + cd->mm = mm; + cd->entry.tag = asid; + + return &cd->entry; + +err_free_asid: + arm_smmu_free_asid(cd); + +err_free_cd: + kfree(cd); + +err_put_context: + mm_context_put(mm); + + return ERR_PTR(ret); } static struct iommu_pasid_entry * @@ -294,19 +436,23 @@ arm_smmu_alloc_priv_cd(struct iommu_pasid_table_ops *ops, struct arm_smmu_cd_tables *tbl = pasid_ops_to_tables(ops); struct arm_smmu_context_cfg *ctx_cfg = &tbl->pasid.cfg.arm_smmu; - cd = kzalloc(sizeof(*cd), GFP_KERNEL); + cd = arm_smmu_alloc_cd(tbl); if (!cd) return ERR_PTR(-ENOMEM); - asid = ida_simple_get(&asid_ida, 0, 1 << ctx_cfg->asid_bits, - GFP_KERNEL); + idr_preload(GFP_KERNEL); + spin_lock(&asid_lock); + asid = idr_alloc_cyclic(&asid_idr, cd, 0, 1 << ctx_cfg->asid_bits, + GFP_ATOMIC); + cd->entry.tag = asid; + spin_unlock(&asid_lock); + idr_preload_end(); + if (asid < 0) { kfree(cd); return ERR_PTR(asid); } - cd->entry.tag = asid; - switch (fmt) { case ARM_64_LPAE_S1: cd->ttbr = cfg->arm_lpae_s1_cfg.ttbr[0]; @@ -322,7 +468,7 @@ arm_smmu_alloc_priv_cd(struct iommu_pasid_table_ops *ops, return &cd->entry; err_free_asid: - ida_simple_remove(&asid_ida, asid); + arm_smmu_free_asid(cd); kfree(cd); @@ -334,7 +480,14 @@ static void arm_smmu_free_cd(struct iommu_pasid_table_ops *ops, { struct arm_smmu_cd *cd = pasid_entry_to_cd(entry); - ida_simple_remove(&asid_ida, (u16)entry->tag); + if (!arm_smmu_free_asid(cd)) + return; + + if (cd->mm) { + /* Unpin ASID */ + mm_context_put(cd->mm); + } + kfree(cd); } @@ -359,6 +512,14 @@ static void arm_smmu_clear_cd(struct iommu_pasid_table_ops *ops, int pasid, return; arm_smmu_write_ctx_desc(tbl, pasid, NULL); + + /* + * The ASID allocator won't broadcast the final TLB invalidations for + * this ASID, so we need to do it manually. For private contexts, + * freeing io-pgtable ops performs the invalidation. + */ + if (cd->mm) + iommu_pasid_flush_tlbs(&tbl->pasid, cd->pasid, entry); } static struct iommu_pasid_table * -- 2.15.1
WARNING: multiple messages have this Message-ID (diff)
From: jean-philippe.brucker@arm.com (Jean-Philippe Brucker) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 20/37] iommu/arm-smmu-v3: Share process page tables Date: Mon, 12 Feb 2018 18:33:35 +0000 [thread overview] Message-ID: <20180212183352.22730-21-jean-philippe.brucker@arm.com> (raw) In-Reply-To: <20180212183352.22730-1-jean-philippe.brucker@arm.com> With Shared Virtual Addressing (SVA), we need to mirror CPU TTBR, TCR, MAIR and ASIDs in SMMU contexts. Each SMMU has a single ASID space split into two sets, shared and private. Shared ASIDs correspond to those obtained from the arch ASID allocator, and private ASIDs are used for "classic" map/unmap DMA. Replace the ASID IDA with an IDR, allowing to keep information about each context. Initialize shared contexts with info obtained from the mm. Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com> --- drivers/iommu/arm-smmu-v3-context.c | 181 ++++++++++++++++++++++++++++++++++-- 1 file changed, 171 insertions(+), 10 deletions(-) diff --git a/drivers/iommu/arm-smmu-v3-context.c b/drivers/iommu/arm-smmu-v3-context.c index aaffc2071966..b7c90384ff56 100644 --- a/drivers/iommu/arm-smmu-v3-context.c +++ b/drivers/iommu/arm-smmu-v3-context.c @@ -10,9 +10,11 @@ #include <linux/dma-mapping.h> #include <linux/idr.h> #include <linux/kernel.h> +#include <linux/mmu_context.h> #include <linux/slab.h> #include "iommu-pasid.h" +#include "io-pgtable-arm.h" /* * Linear: when less than 1024 SSIDs are supported @@ -87,6 +89,9 @@ struct arm_smmu_cd { u64 ttbr; u64 tcr; u64 mair; + + refcount_t refs; + struct mm_struct *mm; }; #define pasid_entry_to_cd(entry) \ @@ -118,7 +123,8 @@ struct arm_smmu_cd_tables { #define pasid_ops_to_tables(ops) \ pasid_to_cd_tables(iommu_pasid_table_ops_to_table(ops)) -static DEFINE_IDA(asid_ida); +static DEFINE_SPINLOCK(asid_lock); +static DEFINE_IDR(asid_idr); static int arm_smmu_alloc_cd_leaf_table(struct device *dev, struct arm_smmu_cd_table *desc, @@ -260,7 +266,8 @@ static int arm_smmu_write_ctx_desc(struct arm_smmu_cd_tables *tbl, int ssid, CTXDESC_CD_0_ENDI | #endif CTXDESC_CD_0_R | CTXDESC_CD_0_A | - CTXDESC_CD_0_ASET_PRIVATE | + (cd->mm ? CTXDESC_CD_0_ASET_SHARED : + CTXDESC_CD_0_ASET_PRIVATE) | CTXDESC_CD_0_AA64 | (cd->entry.tag & CTXDESC_CD_0_ASID_MASK) << CTXDESC_CD_0_ASID_SHIFT | @@ -277,10 +284,145 @@ static int arm_smmu_write_ctx_desc(struct arm_smmu_cd_tables *tbl, int ssid, return 0; } +static bool arm_smmu_free_asid(struct arm_smmu_cd *cd) +{ + bool free; + struct arm_smmu_cd *old_cd; + + spin_lock(&asid_lock); + free = refcount_dec_and_test(&cd->refs); + if (free) { + old_cd = idr_remove(&asid_idr, (u16)cd->entry.tag); + WARN_ON(old_cd != cd); + } + spin_unlock(&asid_lock); + + return free; +} + +static struct arm_smmu_cd *arm_smmu_alloc_cd(struct arm_smmu_cd_tables *tbl) +{ + struct arm_smmu_cd *cd; + + cd = kzalloc(sizeof(*cd), GFP_KERNEL); + if (!cd) + return NULL; + + refcount_set(&cd->refs, 1); + + return cd; +} + +static struct arm_smmu_cd *arm_smmu_share_asid(u16 asid) +{ + struct arm_smmu_cd *cd; + + cd = idr_find(&asid_idr, asid); + if (!cd) + return NULL; + + if (cd->mm) { + /* + * It's pretty common to find a stale CD when doing unbind-bind, + * given that the release happens after a RCU grace period. + * Simply reuse it. + */ + refcount_inc(&cd->refs); + return cd; + } + + /* + * Ouch, ASID is already in use for a private cd. + * TODO: seize it, for the common good. + */ + return ERR_PTR(-EEXIST); +} + static struct iommu_pasid_entry * arm_smmu_alloc_shared_cd(struct iommu_pasid_table_ops *ops, struct mm_struct *mm) { - return ERR_PTR(-ENODEV); + u16 asid; + u64 tcr, par, reg; + int ret = -ENOMEM; + struct arm_smmu_cd *cd; + struct arm_smmu_cd *old_cd = NULL; + struct arm_smmu_cd_tables *tbl = pasid_ops_to_tables(ops); + + asid = mm_context_get(mm); + if (!asid) + return ERR_PTR(-ESRCH); + + cd = arm_smmu_alloc_cd(tbl); + if (!cd) + goto err_put_context; + + idr_preload(GFP_KERNEL); + spin_lock(&asid_lock); + old_cd = arm_smmu_share_asid(asid); + if (!old_cd) + ret = idr_alloc(&asid_idr, cd, asid, asid + 1, GFP_ATOMIC); + spin_unlock(&asid_lock); + idr_preload_end(); + + if (!IS_ERR_OR_NULL(old_cd)) { + if (WARN_ON(old_cd->mm != mm)) { + ret = -EINVAL; + goto err_free_cd; + } + kfree(cd); + mm_context_put(mm); + return &old_cd->entry; + } else if (old_cd) { + ret = PTR_ERR(old_cd); + goto err_free_cd; + } + + tcr = TCR_T0SZ(VA_BITS) | TCR_IRGN0_WBWA | TCR_ORGN0_WBWA | + TCR_SH0_INNER | ARM_LPAE_TCR_EPD1; + + switch (PAGE_SIZE) { + case SZ_4K: + tcr |= TCR_TG0_4K; + break; + case SZ_16K: + tcr |= TCR_TG0_16K; + break; + case SZ_64K: + tcr |= TCR_TG0_64K; + break; + default: + WARN_ON(1); + ret = -EINVAL; + goto err_free_asid; + } + + reg = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1); + par = cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR0_PARANGE_SHIFT); + tcr |= par << ARM_LPAE_TCR_IPS_SHIFT; + + cd->ttbr = virt_to_phys(mm->pgd); + cd->tcr = tcr; + /* + * MAIR value is pretty much constant and global, so we can just get it + * from the current CPU register + */ + cd->mair = read_sysreg(mair_el1); + + cd->mm = mm; + cd->entry.tag = asid; + + return &cd->entry; + +err_free_asid: + arm_smmu_free_asid(cd); + +err_free_cd: + kfree(cd); + +err_put_context: + mm_context_put(mm); + + return ERR_PTR(ret); } static struct iommu_pasid_entry * @@ -294,19 +436,23 @@ arm_smmu_alloc_priv_cd(struct iommu_pasid_table_ops *ops, struct arm_smmu_cd_tables *tbl = pasid_ops_to_tables(ops); struct arm_smmu_context_cfg *ctx_cfg = &tbl->pasid.cfg.arm_smmu; - cd = kzalloc(sizeof(*cd), GFP_KERNEL); + cd = arm_smmu_alloc_cd(tbl); if (!cd) return ERR_PTR(-ENOMEM); - asid = ida_simple_get(&asid_ida, 0, 1 << ctx_cfg->asid_bits, - GFP_KERNEL); + idr_preload(GFP_KERNEL); + spin_lock(&asid_lock); + asid = idr_alloc_cyclic(&asid_idr, cd, 0, 1 << ctx_cfg->asid_bits, + GFP_ATOMIC); + cd->entry.tag = asid; + spin_unlock(&asid_lock); + idr_preload_end(); + if (asid < 0) { kfree(cd); return ERR_PTR(asid); } - cd->entry.tag = asid; - switch (fmt) { case ARM_64_LPAE_S1: cd->ttbr = cfg->arm_lpae_s1_cfg.ttbr[0]; @@ -322,7 +468,7 @@ arm_smmu_alloc_priv_cd(struct iommu_pasid_table_ops *ops, return &cd->entry; err_free_asid: - ida_simple_remove(&asid_ida, asid); + arm_smmu_free_asid(cd); kfree(cd); @@ -334,7 +480,14 @@ static void arm_smmu_free_cd(struct iommu_pasid_table_ops *ops, { struct arm_smmu_cd *cd = pasid_entry_to_cd(entry); - ida_simple_remove(&asid_ida, (u16)entry->tag); + if (!arm_smmu_free_asid(cd)) + return; + + if (cd->mm) { + /* Unpin ASID */ + mm_context_put(cd->mm); + } + kfree(cd); } @@ -359,6 +512,14 @@ static void arm_smmu_clear_cd(struct iommu_pasid_table_ops *ops, int pasid, return; arm_smmu_write_ctx_desc(tbl, pasid, NULL); + + /* + * The ASID allocator won't broadcast the final TLB invalidations for + * this ASID, so we need to do it manually. For private contexts, + * freeing io-pgtable ops performs the invalidation. + */ + if (cd->mm) + iommu_pasid_flush_tlbs(&tbl->pasid, cd->pasid, entry); } static struct iommu_pasid_table * -- 2.15.1
next prev parent reply other threads:[~2018-02-12 18:33 UTC|newest] Thread overview: 305+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-02-12 18:33 [PATCH 00/37] Shared Virtual Addressing for the IOMMU Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 01/37] iommu: Introduce Shared Virtual Addressing API Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-2-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-13 7:31 ` Tian, Kevin 2018-02-13 7:31 ` Tian, Kevin 2018-02-13 7:31 ` Tian, Kevin [not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D191002823-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2018-02-13 12:40 ` Jean-Philippe Brucker 2018-02-13 12:40 ` Jean-Philippe Brucker 2018-02-13 12:40 ` Jean-Philippe Brucker 2018-02-13 23:43 ` Tian, Kevin 2018-02-13 23:43 ` Tian, Kevin 2018-02-13 23:43 ` Tian, Kevin [not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D191003B1B-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2018-02-15 12:42 ` Jean-Philippe Brucker 2018-02-15 12:42 ` Jean-Philippe Brucker 2018-02-15 12:42 ` Jean-Philippe Brucker [not found] ` <0b579768-3090-dd50-58b1-3385be92ef21-5wv7dgnIgG8@public.gmane.org> 2018-02-27 6:21 ` Tian, Kevin 2018-02-27 6:21 ` Tian, Kevin 2018-02-27 6:21 ` Tian, Kevin [not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D19101C8A7-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2018-02-28 16:20 ` Jean-Philippe Brucker 2018-02-28 16:20 ` Jean-Philippe Brucker 2018-02-28 16:20 ` Jean-Philippe Brucker 2018-02-15 9:59 ` Joerg Roedel 2018-02-15 9:59 ` Joerg Roedel 2018-02-15 9:59 ` Joerg Roedel [not found] ` <20180215095909.r4nwqjhuijusssuy-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> 2018-02-15 12:43 ` Jean-Philippe Brucker 2018-02-15 12:43 ` Jean-Philippe Brucker 2018-02-15 12:43 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 02/37] iommu/sva: Bind process address spaces to devices Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-13 7:54 ` Tian, Kevin 2018-02-13 7:54 ` Tian, Kevin 2018-02-13 7:54 ` Tian, Kevin 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 23:34 ` Tian, Kevin 2018-02-13 23:34 ` Tian, Kevin 2018-02-13 23:34 ` Tian, Kevin [not found] ` <AADFC41AFE54684AB9EE6CBC0274A5D191003AD6-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2018-02-15 12:40 ` Jean-Philippe Brucker 2018-02-15 12:40 ` Jean-Philippe Brucker 2018-02-15 12:40 ` Jean-Philippe Brucker [not found] ` <ca4d4992-0c8b-dae6-e443-7c7f7164be60-5wv7dgnIgG8@public.gmane.org> 2018-03-01 3:03 ` Liu, Yi L 2018-03-01 3:03 ` Liu, Yi L 2018-03-01 3:03 ` Liu, Yi L [not found] ` <A2975661238FB949B60364EF0F2C257439B829DA-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2018-03-02 16:03 ` Jean-Philippe Brucker 2018-03-02 16:03 ` Jean-Philippe Brucker 2018-03-02 16:03 ` Jean-Philippe Brucker [not found] ` <b9eacb30-817f-9027-bc0a-1f01cf9f13f9-5wv7dgnIgG8@public.gmane.org> 2018-02-15 10:21 ` joro-zLv9SwRftAIdnm+yROfE0A 2018-02-15 10:21 ` joro at 8bytes.org 2018-02-15 10:21 ` joro-zLv9SwRftAIdnm+yROfE0A 2018-02-15 10:21 ` joro [not found] ` <20180215102113.c7t7rrnyzgazmdli-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> 2018-02-15 12:29 ` Christian König 2018-02-15 12:29 ` Christian König 2018-02-15 12:29 ` Christian König 2018-02-15 12:29 ` Christian König 2018-02-15 12:46 ` Jean-Philippe Brucker 2018-02-15 12:46 ` Jean-Philippe Brucker 2018-02-15 12:46 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-3-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-28 20:34 ` Sinan Kaya 2018-02-28 20:34 ` Sinan Kaya 2018-02-28 20:34 ` Sinan Kaya [not found] ` <bce32071-4159-3bdd-1e03-77f540ee4509-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-03-02 12:32 ` Jean-Philippe Brucker 2018-03-02 12:32 ` Jean-Philippe Brucker 2018-03-02 12:32 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 05/37] iommu/sva: Track mm changes with an MMU notifier Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 06/37] iommu/sva: Search mm by PASID Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 07/37] iommu: Add a page fault handler Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-14 7:18 ` Jacob Pan 2018-02-14 7:18 ` Jacob Pan 2018-02-14 7:18 ` Jacob Pan 2018-02-15 13:49 ` Jean-Philippe Brucker 2018-02-15 13:49 ` Jean-Philippe Brucker 2018-02-15 13:49 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-8-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-05 21:44 ` Sinan Kaya 2018-03-05 21:44 ` Sinan Kaya 2018-03-05 21:44 ` Sinan Kaya [not found] ` <b2a3d2a7-7042-aef3-0def-05e64e39d046-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-03-06 10:24 ` Jean-Philippe Brucker 2018-03-06 10:24 ` Jean-Philippe Brucker 2018-03-06 10:24 ` Jean-Philippe Brucker 2018-03-05 21:53 ` Sinan Kaya 2018-03-05 21:53 ` Sinan Kaya 2018-03-05 21:53 ` Sinan Kaya [not found] ` <77afa195-4842-a112-eba5-409b861b5315-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-03-06 10:46 ` Jean-Philippe Brucker 2018-03-06 10:46 ` Jean-Philippe Brucker 2018-03-06 10:46 ` Jean-Philippe Brucker [not found] ` <430e9754-4cf7-0aa8-7899-fc13e6a2e079-5wv7dgnIgG8@public.gmane.org> 2018-03-06 12:52 ` okaya-sgV2jX0FEOL9JmXXK+q4OQ 2018-03-06 12:52 ` okaya at codeaurora.org 2018-03-06 12:52 ` okaya 2018-03-08 15:40 ` Jonathan Cameron 2018-03-08 15:40 ` Jonathan Cameron 2018-03-08 15:40 ` Jonathan Cameron [not found] ` <20180308164035.000065c2-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 08/37] iommu/fault: Handle mm faults Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-9-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-14 18:46 ` Jacob Pan 2018-02-14 18:46 ` Jacob Pan 2018-02-14 18:46 ` Jacob Pan 2018-02-15 13:51 ` Jean-Philippe Brucker 2018-02-15 13:51 ` Jean-Philippe Brucker 2018-02-15 13:51 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 09/37] iommu/fault: Let handler return a fault response Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-10-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-20 23:19 ` Jacob Pan 2018-02-20 23:19 ` Jacob Pan 2018-02-20 23:19 ` Jacob Pan 2018-02-21 10:28 ` Jean-Philippe Brucker 2018-02-21 10:28 ` Jean-Philippe Brucker 2018-02-21 10:28 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 11/37] dt-bindings: document stall and PASID properties for IOMMU masters Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-12-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-19 2:51 ` Rob Herring 2018-02-19 2:51 ` Rob Herring 2018-02-19 2:51 ` Rob Herring 2018-02-20 11:28 ` Jean-Philippe Brucker 2018-02-20 11:28 ` Jean-Philippe Brucker 2018-02-20 11:28 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 12/37] iommu/of: Add stall and pasid properties to iommu_fwspec Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 15/37] iommu/io-pgtable-arm: Factor out ARM LPAE register defines Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 18/37] iommu/arm-smmu-v3: Add support for Substream IDs Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [this message] 2018-02-12 18:33 ` [PATCH 20/37] iommu/arm-smmu-v3: Share process page tables Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 23/37] iommu/arm-smmu-v3: Enable broadcast TLB maintenance Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 26/37] iommu/arm-smmu-v3: Add support for Hardware Translation Table Update Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-1-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-12 18:33 ` [PATCH 03/37] iommu/sva: Manage process address spaces Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-4-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-01 6:52 ` Lu Baolu 2018-03-01 6:52 ` Lu Baolu 2018-03-01 6:52 ` Lu Baolu [not found] ` <5A97A324.9050605-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> 2018-03-01 8:04 ` Christian König 2018-03-01 8:04 ` Christian König 2018-03-01 8:04 ` Christian König [not found] ` <cd4d7a98-e45e-7066-345f-52d8eef926a2-5C7GfCeVMHo@public.gmane.org> 2018-03-02 16:42 ` Jean-Philippe Brucker 2018-03-02 16:42 ` Jean-Philippe Brucker 2018-03-02 16:42 ` Jean-Philippe Brucker 2018-03-02 16:19 ` Jean-Philippe Brucker 2018-03-02 16:19 ` Jean-Philippe Brucker 2018-03-02 16:19 ` Jean-Philippe Brucker 2018-03-05 15:28 ` Sinan Kaya 2018-03-05 15:28 ` Sinan Kaya 2018-03-05 15:28 ` Sinan Kaya [not found] ` <27a044ee-0ed7-0470-0fef-289d0d5cf5e8-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-03-06 10:37 ` Jean-Philippe Brucker 2018-03-06 10:37 ` Jean-Philippe Brucker 2018-03-06 10:37 ` Jean-Philippe Brucker 2018-04-24 1:32 ` Sinan Kaya 2018-04-24 1:32 ` Sinan Kaya 2018-04-24 1:32 ` Sinan Kaya [not found] ` <57d77955-caa7-ddac-df7d-7eef1f05dbb2-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-04-24 9:33 ` Jean-Philippe Brucker 2018-04-24 9:33 ` Jean-Philippe Brucker 2018-04-24 9:33 ` Jean-Philippe Brucker [not found] ` <66ec18ca-ea4e-d224-c9c5-8dbee5da8a72-5wv7dgnIgG8@public.gmane.org> 2018-04-24 17:17 ` Sinan Kaya 2018-04-24 17:17 ` Sinan Kaya 2018-04-24 17:17 ` Sinan Kaya [not found] ` <e7c4053a-20cc-d2db-16da-100b1157eca4-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-04-24 18:52 ` Jean-Philippe Brucker via iommu 2018-04-24 18:52 ` Jean-Philippe Brucker 2018-04-10 18:53 ` Sinan Kaya 2018-04-10 18:53 ` Sinan Kaya 2018-04-10 18:53 ` Sinan Kaya [not found] ` <04d4d161-ed72-f6b6-9b94-1d60bd79ef94-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-04-13 10:59 ` Jean-Philippe Brucker 2018-04-13 10:59 ` Jean-Philippe Brucker 2018-04-13 10:59 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 04/37] iommu/sva: Add a mm_exit callback for device drivers Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-5-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-13 8:11 ` Tian, Kevin 2018-02-13 8:11 ` Tian, Kevin 2018-02-13 8:11 ` Tian, Kevin 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-13 12:57 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 10/37] iommu/fault: Allow blocking fault handlers Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 13/37] arm64: mm: Pin down ASIDs for sharing mm with devices Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 14/37] iommu/arm-smmu-v3: Link domains and devices Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 16/37] iommu: Add generic PASID table library Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-17-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-27 18:51 ` Jacob Pan 2018-02-27 18:51 ` Jacob Pan 2018-02-27 18:51 ` Jacob Pan 2018-02-28 16:22 ` Jean-Philippe Brucker 2018-02-28 16:22 ` Jean-Philippe Brucker 2018-02-28 16:22 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 17/37] iommu/arm-smmu-v3: Move context descriptor code Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-18-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-09 11:44 ` Jonathan Cameron 2018-03-09 11:44 ` Jonathan Cameron 2018-03-09 11:44 ` Jonathan Cameron [not found] ` <20180309124445.00005e08-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 19/37] iommu/arm-smmu-v3: Add second level of context descriptor table Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 21/37] iommu/arm-smmu-v3: Seize private ASID Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 22/37] iommu/arm-smmu-v3: Add support for VHE Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 24/37] iommu/arm-smmu-v3: Add SVA feature checking Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 25/37] iommu/arm-smmu-v3: Implement mm operations Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 27/37] iommu/arm-smmu-v3: Register fault workqueue Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-28-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-08 17:44 ` Jonathan Cameron 2018-03-08 17:44 ` Jonathan Cameron 2018-03-08 17:44 ` Jonathan Cameron [not found] ` <20180308184454.00000b4e-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-03-14 13:08 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 28/37] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-29-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-08 17:34 ` Jonathan Cameron 2018-03-08 17:34 ` Jonathan Cameron 2018-03-08 17:34 ` Jonathan Cameron [not found] ` <20180308183431.00005f86-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 29/37] iommu/arm-smmu-v3: Add stall support for platform devices Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-13 1:46 ` Xu Zaibo 2018-02-13 1:46 ` Xu Zaibo 2018-02-13 1:46 ` Xu Zaibo 2018-02-13 1:46 ` Xu Zaibo [not found] ` <5A824359.1080005-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-02-13 12:58 ` Jean-Philippe Brucker 2018-02-13 12:58 ` Jean-Philippe Brucker 2018-02-13 12:58 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 30/37] ACPI/IORT: Check ATS capability in root complex nodes Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 31/37] iommu/arm-smmu-v3: Add support for PCI ATS Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-32-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-08 16:17 ` Jonathan Cameron 2018-03-08 16:17 ` Jonathan Cameron 2018-03-08 16:17 ` Jonathan Cameron [not found] ` <20180308171725.0000763c-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-03-14 13:09 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 32/37] iommu/arm-smmu-v3: Hook up ATC invalidation to mm ops Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 33/37] iommu/arm-smmu-v3: Disable tagged pointers Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 35/37] iommu/arm-smmu-v3: Add support for PRI Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-36-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-03-05 12:29 ` Dongdong Liu 2018-03-05 12:29 ` Dongdong Liu 2018-03-05 12:29 ` Dongdong Liu 2018-03-05 12:29 ` Dongdong Liu [not found] ` <6f55afcf-04b0-0dc4-6c75-064b70e6851c-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-05 13:09 ` Jean-Philippe Brucker 2018-03-05 13:09 ` Jean-Philippe Brucker 2018-03-05 13:09 ` Jean-Philippe Brucker 2018-03-08 16:24 ` Jonathan Cameron 2018-03-08 16:24 ` Jonathan Cameron 2018-03-08 16:24 ` Jonathan Cameron [not found] ` <20180308172436.00006554-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> 2018-03-14 13:10 ` Jean-Philippe Brucker 2018-03-14 13:10 ` Jean-Philippe Brucker 2018-03-14 13:10 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 34/37] PCI: Make "PRG Response PASID Required" handling common Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 36/37] iommu/arm-smmu-v3: Add support for PCI PASID Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker 2018-02-12 18:33 ` [PATCH 37/37] vfio: Add support for Shared Virtual Addressing Jean-Philippe Brucker 2018-02-12 18:33 ` Jean-Philippe Brucker [not found] ` <20180212183352.22730-38-jean-philippe.brucker-5wv7dgnIgG8@public.gmane.org> 2018-02-16 19:33 ` Alex Williamson 2018-02-16 19:33 ` Alex Williamson 2018-02-16 19:33 ` Alex Williamson [not found] ` <20180216123329.10f6dc23-DGNDKt5SQtizQB+pC5nmwQ@public.gmane.org> 2018-02-20 11:26 ` Jean-Philippe Brucker 2018-02-20 11:26 ` Jean-Philippe Brucker 2018-02-20 11:26 ` Jean-Philippe Brucker 2018-02-28 1:26 ` Sinan Kaya 2018-02-28 1:26 ` Sinan Kaya 2018-02-28 1:26 ` Sinan Kaya [not found] ` <1e76c66c-952e-71bd-d831-d3a1ded9559c-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> 2018-02-28 16:25 ` Jean-Philippe Brucker 2018-02-28 16:25 ` Jean-Philippe Brucker 2018-02-28 16:25 ` Jean-Philippe Brucker
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