From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>,
Alex Williamson <alex.williamson@redhat.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
Cornelia Huck <cohuck@redhat.com>,
Kevin Tian <kevin.tian@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
Dave Jiang <dave.jiang@intel.com>, Liu Yi L <yi.l.liu@intel.com>,
Zeng Xin <xin.zeng@intel.com>,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH v6 3/5] iommu/vt-d: Make some static functions global
Date: Fri, 30 Oct 2020 12:58:07 +0800 [thread overview]
Message-ID: <20201030045809.957927-4-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20201030045809.957927-1-baolu.lu@linux.intel.com>
So that they could be used in other files as well. No functional changes.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/iommu/intel/iommu.c | 74 +++++++------------------------------
include/linux/intel-iommu.h | 49 ++++++++++++++++++++++++
2 files changed, 62 insertions(+), 61 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 8f5e7b31b3fb..1454fe74f3ba 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -330,10 +330,6 @@ static void domain_exit(struct dmar_domain *domain);
static void domain_remove_dev_info(struct dmar_domain *domain);
static void dmar_remove_one_dev_info(struct device *dev);
static void __dmar_remove_one_dev_info(struct device_domain_info *info);
-static int intel_iommu_attach_device(struct iommu_domain *domain,
- struct device *dev);
-static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
- dma_addr_t iova);
#ifdef CONFIG_INTEL_IOMMU_DEFAULT_ON
int dmar_disabled = 0;
@@ -4423,7 +4419,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width)
return 0;
}
-static struct iommu_domain *intel_iommu_domain_alloc(unsigned type)
+struct iommu_domain *intel_iommu_domain_alloc(unsigned int type)
{
struct dmar_domain *dmar_domain;
struct iommu_domain *domain;
@@ -4462,7 +4458,7 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type)
return NULL;
}
-static void intel_iommu_domain_free(struct iommu_domain *domain)
+void intel_iommu_domain_free(struct iommu_domain *domain)
{
if (domain != &si_domain->domain)
domain_exit(to_dmar_domain(domain));
@@ -4639,8 +4635,7 @@ static int prepare_domain_attach_device(struct iommu_domain *domain,
return 0;
}
-static int intel_iommu_attach_device(struct iommu_domain *domain,
- struct device *dev)
+int intel_iommu_attach_device(struct iommu_domain *domain, struct device *dev)
{
int ret;
@@ -4669,8 +4664,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
return domain_add_dev_info(to_dmar_domain(domain), dev);
}
-static int intel_iommu_aux_attach_device(struct iommu_domain *domain,
- struct device *dev)
+int intel_iommu_aux_attach_device(struct iommu_domain *domain, struct device *dev)
{
int ret;
@@ -4684,14 +4678,12 @@ static int intel_iommu_aux_attach_device(struct iommu_domain *domain,
return aux_domain_add_dev(to_dmar_domain(domain), dev);
}
-static void intel_iommu_detach_device(struct iommu_domain *domain,
- struct device *dev)
+void intel_iommu_detach_device(struct iommu_domain *domain, struct device *dev)
{
dmar_remove_one_dev_info(dev);
}
-static void intel_iommu_aux_detach_device(struct iommu_domain *domain,
- struct device *dev)
+void intel_iommu_aux_detach_device(struct iommu_domain *domain, struct device *dev)
{
aux_domain_remove_dev(to_dmar_domain(domain), dev);
}
@@ -4875,9 +4867,8 @@ intel_iommu_sva_invalidate(struct iommu_domain *domain, struct device *dev,
}
#endif
-static int intel_iommu_map(struct iommu_domain *domain,
- unsigned long iova, phys_addr_t hpa,
- size_t size, int iommu_prot, gfp_t gfp)
+int intel_iommu_map(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t hpa, size_t size, int iommu_prot, gfp_t gfp)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
u64 max_addr;
@@ -4913,9 +4904,8 @@ static int intel_iommu_map(struct iommu_domain *domain,
return ret;
}
-static size_t intel_iommu_unmap(struct iommu_domain *domain,
- unsigned long iova, size_t size,
- struct iommu_iotlb_gather *gather)
+size_t intel_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
+ size_t size, struct iommu_iotlb_gather *gather)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
unsigned long start_pfn, last_pfn;
@@ -4963,8 +4953,7 @@ static void intel_iommu_tlb_sync(struct iommu_domain *domain,
dma_free_pagelist(gather->freelist);
}
-static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
- dma_addr_t iova)
+phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
struct dma_pte *pte;
@@ -4980,42 +4969,6 @@ static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
return phys;
}
-static inline bool scalable_mode_support(void)
-{
- struct dmar_drhd_unit *drhd;
- struct intel_iommu *iommu;
- bool ret = true;
-
- rcu_read_lock();
- for_each_active_iommu(iommu, drhd) {
- if (!sm_supported(iommu)) {
- ret = false;
- break;
- }
- }
- rcu_read_unlock();
-
- return ret;
-}
-
-static inline bool iommu_pasid_support(void)
-{
- struct dmar_drhd_unit *drhd;
- struct intel_iommu *iommu;
- bool ret = true;
-
- rcu_read_lock();
- for_each_active_iommu(iommu, drhd) {
- if (!pasid_supported(iommu)) {
- ret = false;
- break;
- }
- }
- rcu_read_unlock();
-
- return ret;
-}
-
static inline bool nested_mode_support(void)
{
struct dmar_drhd_unit *drhd;
@@ -5034,7 +4987,7 @@ static inline bool nested_mode_support(void)
return ret;
}
-static bool intel_iommu_capable(enum iommu_cap cap)
+bool intel_iommu_capable(enum iommu_cap cap)
{
if (cap == IOMMU_CAP_CACHE_COHERENCY)
return domain_update_iommu_snooping(NULL) == 1;
@@ -5084,8 +5037,7 @@ static void intel_iommu_probe_finalize(struct device *dev)
set_dma_ops(dev, NULL);
}
-static void intel_iommu_get_resv_regions(struct device *device,
- struct list_head *head)
+void intel_iommu_get_resv_regions(struct device *device, struct list_head *head)
{
int prot = DMA_PTE_READ | DMA_PTE_WRITE;
struct iommu_resv_region *reg;
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index fbf5b3e7707e..d3928ba87986 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -693,6 +693,42 @@ static inline int first_pte_in_page(struct dma_pte *pte)
return !((unsigned long)pte & ~VTD_PAGE_MASK);
}
+static inline bool scalable_mode_support(void)
+{
+ struct dmar_drhd_unit *drhd;
+ struct intel_iommu *iommu;
+ bool ret = true;
+
+ rcu_read_lock();
+ for_each_active_iommu(iommu, drhd) {
+ if (!sm_supported(iommu)) {
+ ret = false;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return ret;
+}
+
+static inline bool iommu_pasid_support(void)
+{
+ struct dmar_drhd_unit *drhd;
+ struct intel_iommu *iommu;
+ bool ret = true;
+
+ rcu_read_lock();
+ for_each_active_iommu(iommu, drhd) {
+ if (!pasid_supported(iommu)) {
+ ret = false;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return ret;
+}
+
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
@@ -737,6 +773,19 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev);
struct dmar_domain *find_domain(struct device *dev);
struct device_domain_info *get_domain_info(struct device *dev);
struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn);
+bool intel_iommu_capable(enum iommu_cap cap);
+struct iommu_domain *intel_iommu_domain_alloc(unsigned int type);
+void intel_iommu_domain_free(struct iommu_domain *domain);
+int intel_iommu_attach_device(struct iommu_domain *domain, struct device *dev);
+int intel_iommu_aux_attach_device(struct iommu_domain *domain, struct device *dev);
+void intel_iommu_detach_device(struct iommu_domain *domain, struct device *dev);
+void intel_iommu_aux_detach_device(struct iommu_domain *domain, struct device *dev);
+int intel_iommu_map(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t hpa, size_t size, int iommu_prot, gfp_t gfp);
+size_t intel_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
+ size_t size, struct iommu_iotlb_gather *gather);
+phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
+void intel_iommu_get_resv_regions(struct device *device, struct list_head *head);
#ifdef CONFIG_INTEL_IOMMU_SVM
extern void intel_svm_check(struct intel_iommu *iommu);
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>,
Alex Williamson <alex.williamson@redhat.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>,
Kevin Tian <kevin.tian@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ashok Raj <ashok.raj@intel.com>,
kvm@vger.kernel.org, Cornelia Huck <cohuck@redhat.com>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Robin Murphy <robin.murphy@arm.com>
Subject: [PATCH v6 3/5] iommu/vt-d: Make some static functions global
Date: Fri, 30 Oct 2020 12:58:07 +0800 [thread overview]
Message-ID: <20201030045809.957927-4-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20201030045809.957927-1-baolu.lu@linux.intel.com>
So that they could be used in other files as well. No functional changes.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/iommu/intel/iommu.c | 74 +++++++------------------------------
include/linux/intel-iommu.h | 49 ++++++++++++++++++++++++
2 files changed, 62 insertions(+), 61 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 8f5e7b31b3fb..1454fe74f3ba 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -330,10 +330,6 @@ static void domain_exit(struct dmar_domain *domain);
static void domain_remove_dev_info(struct dmar_domain *domain);
static void dmar_remove_one_dev_info(struct device *dev);
static void __dmar_remove_one_dev_info(struct device_domain_info *info);
-static int intel_iommu_attach_device(struct iommu_domain *domain,
- struct device *dev);
-static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
- dma_addr_t iova);
#ifdef CONFIG_INTEL_IOMMU_DEFAULT_ON
int dmar_disabled = 0;
@@ -4423,7 +4419,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width)
return 0;
}
-static struct iommu_domain *intel_iommu_domain_alloc(unsigned type)
+struct iommu_domain *intel_iommu_domain_alloc(unsigned int type)
{
struct dmar_domain *dmar_domain;
struct iommu_domain *domain;
@@ -4462,7 +4458,7 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type)
return NULL;
}
-static void intel_iommu_domain_free(struct iommu_domain *domain)
+void intel_iommu_domain_free(struct iommu_domain *domain)
{
if (domain != &si_domain->domain)
domain_exit(to_dmar_domain(domain));
@@ -4639,8 +4635,7 @@ static int prepare_domain_attach_device(struct iommu_domain *domain,
return 0;
}
-static int intel_iommu_attach_device(struct iommu_domain *domain,
- struct device *dev)
+int intel_iommu_attach_device(struct iommu_domain *domain, struct device *dev)
{
int ret;
@@ -4669,8 +4664,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
return domain_add_dev_info(to_dmar_domain(domain), dev);
}
-static int intel_iommu_aux_attach_device(struct iommu_domain *domain,
- struct device *dev)
+int intel_iommu_aux_attach_device(struct iommu_domain *domain, struct device *dev)
{
int ret;
@@ -4684,14 +4678,12 @@ static int intel_iommu_aux_attach_device(struct iommu_domain *domain,
return aux_domain_add_dev(to_dmar_domain(domain), dev);
}
-static void intel_iommu_detach_device(struct iommu_domain *domain,
- struct device *dev)
+void intel_iommu_detach_device(struct iommu_domain *domain, struct device *dev)
{
dmar_remove_one_dev_info(dev);
}
-static void intel_iommu_aux_detach_device(struct iommu_domain *domain,
- struct device *dev)
+void intel_iommu_aux_detach_device(struct iommu_domain *domain, struct device *dev)
{
aux_domain_remove_dev(to_dmar_domain(domain), dev);
}
@@ -4875,9 +4867,8 @@ intel_iommu_sva_invalidate(struct iommu_domain *domain, struct device *dev,
}
#endif
-static int intel_iommu_map(struct iommu_domain *domain,
- unsigned long iova, phys_addr_t hpa,
- size_t size, int iommu_prot, gfp_t gfp)
+int intel_iommu_map(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t hpa, size_t size, int iommu_prot, gfp_t gfp)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
u64 max_addr;
@@ -4913,9 +4904,8 @@ static int intel_iommu_map(struct iommu_domain *domain,
return ret;
}
-static size_t intel_iommu_unmap(struct iommu_domain *domain,
- unsigned long iova, size_t size,
- struct iommu_iotlb_gather *gather)
+size_t intel_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
+ size_t size, struct iommu_iotlb_gather *gather)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
unsigned long start_pfn, last_pfn;
@@ -4963,8 +4953,7 @@ static void intel_iommu_tlb_sync(struct iommu_domain *domain,
dma_free_pagelist(gather->freelist);
}
-static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
- dma_addr_t iova)
+phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
struct dma_pte *pte;
@@ -4980,42 +4969,6 @@ static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
return phys;
}
-static inline bool scalable_mode_support(void)
-{
- struct dmar_drhd_unit *drhd;
- struct intel_iommu *iommu;
- bool ret = true;
-
- rcu_read_lock();
- for_each_active_iommu(iommu, drhd) {
- if (!sm_supported(iommu)) {
- ret = false;
- break;
- }
- }
- rcu_read_unlock();
-
- return ret;
-}
-
-static inline bool iommu_pasid_support(void)
-{
- struct dmar_drhd_unit *drhd;
- struct intel_iommu *iommu;
- bool ret = true;
-
- rcu_read_lock();
- for_each_active_iommu(iommu, drhd) {
- if (!pasid_supported(iommu)) {
- ret = false;
- break;
- }
- }
- rcu_read_unlock();
-
- return ret;
-}
-
static inline bool nested_mode_support(void)
{
struct dmar_drhd_unit *drhd;
@@ -5034,7 +4987,7 @@ static inline bool nested_mode_support(void)
return ret;
}
-static bool intel_iommu_capable(enum iommu_cap cap)
+bool intel_iommu_capable(enum iommu_cap cap)
{
if (cap == IOMMU_CAP_CACHE_COHERENCY)
return domain_update_iommu_snooping(NULL) == 1;
@@ -5084,8 +5037,7 @@ static void intel_iommu_probe_finalize(struct device *dev)
set_dma_ops(dev, NULL);
}
-static void intel_iommu_get_resv_regions(struct device *device,
- struct list_head *head)
+void intel_iommu_get_resv_regions(struct device *device, struct list_head *head)
{
int prot = DMA_PTE_READ | DMA_PTE_WRITE;
struct iommu_resv_region *reg;
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index fbf5b3e7707e..d3928ba87986 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -693,6 +693,42 @@ static inline int first_pte_in_page(struct dma_pte *pte)
return !((unsigned long)pte & ~VTD_PAGE_MASK);
}
+static inline bool scalable_mode_support(void)
+{
+ struct dmar_drhd_unit *drhd;
+ struct intel_iommu *iommu;
+ bool ret = true;
+
+ rcu_read_lock();
+ for_each_active_iommu(iommu, drhd) {
+ if (!sm_supported(iommu)) {
+ ret = false;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return ret;
+}
+
+static inline bool iommu_pasid_support(void)
+{
+ struct dmar_drhd_unit *drhd;
+ struct intel_iommu *iommu;
+ bool ret = true;
+
+ rcu_read_lock();
+ for_each_active_iommu(iommu, drhd) {
+ if (!pasid_supported(iommu)) {
+ ret = false;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return ret;
+}
+
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
@@ -737,6 +773,19 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev);
struct dmar_domain *find_domain(struct device *dev);
struct device_domain_info *get_domain_info(struct device *dev);
struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn);
+bool intel_iommu_capable(enum iommu_cap cap);
+struct iommu_domain *intel_iommu_domain_alloc(unsigned int type);
+void intel_iommu_domain_free(struct iommu_domain *domain);
+int intel_iommu_attach_device(struct iommu_domain *domain, struct device *dev);
+int intel_iommu_aux_attach_device(struct iommu_domain *domain, struct device *dev);
+void intel_iommu_detach_device(struct iommu_domain *domain, struct device *dev);
+void intel_iommu_aux_detach_device(struct iommu_domain *domain, struct device *dev);
+int intel_iommu_map(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t hpa, size_t size, int iommu_prot, gfp_t gfp);
+size_t intel_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
+ size_t size, struct iommu_iotlb_gather *gather);
+phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
+void intel_iommu_get_resv_regions(struct device *device, struct list_head *head);
#ifdef CONFIG_INTEL_IOMMU_SVM
extern void intel_svm_check(struct intel_iommu *iommu);
--
2.25.1
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next prev parent reply other threads:[~2020-10-30 5:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-30 4:58 [PATCH v6 0/5] iommu aux-domain APIs extensions Lu Baolu
2020-10-30 4:58 ` Lu Baolu
2020-10-30 4:58 ` [PATCH v6 1/5] vfio/mdev: Register mdev bus earlier during boot Lu Baolu
2020-10-30 4:58 ` Lu Baolu
2020-10-30 17:02 ` Alex Williamson
2020-10-30 17:02 ` Alex Williamson
2020-10-30 4:58 ` [PATCH v6 2/5] iommu: Use bus iommu ops for aux related callback Lu Baolu
2020-10-30 4:58 ` Lu Baolu
2020-10-30 5:55 ` Tian, Kevin
2020-10-30 5:55 ` Tian, Kevin
2020-10-30 10:47 ` Jean-Philippe Brucker
2020-10-30 10:47 ` Jean-Philippe Brucker
2020-10-30 4:58 ` Lu Baolu [this message]
2020-10-30 4:58 ` [PATCH v6 3/5] iommu/vt-d: Make some static functions global Lu Baolu
2020-10-30 4:58 ` [PATCH v6 4/5] iommu/vt-d: Add iommu_ops support for subdevice bus Lu Baolu
2020-10-30 4:58 ` Lu Baolu
2020-10-30 6:13 ` Tian, Kevin
2020-10-30 6:13 ` Tian, Kevin
2020-10-30 20:56 ` Alex Williamson
2020-10-30 20:56 ` Alex Williamson
2020-10-30 4:58 ` [PATCH v6 5/5] vfio/type1: Use mdev bus iommu_ops for IOMMU callbacks Lu Baolu
2020-10-30 4:58 ` Lu Baolu
2020-10-30 6:16 ` Tian, Kevin
2020-10-30 6:16 ` Tian, Kevin
2020-10-30 21:06 ` Alex Williamson
2020-10-30 21:06 ` Alex Williamson
2020-11-03 5:22 ` Lu Baolu
2020-11-03 5:22 ` Lu Baolu
2020-11-12 2:31 ` Lu Baolu
2020-11-12 2:31 ` Lu Baolu
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