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Date: Tue, 10 Mar 2020 10:12:19 +0100
From: Joerg Roedel <joro@...tes.org>
To: iommu@...ts.linux-foundation.org
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-mediatek@...ts.infradead.org,
virtualization@...ts.linux-foundation.org,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Hanjun Guo <guohanjun@...wei.com>,
Sudeep Holla <sudeep.holla@....com>,
Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Joerg Roedel <joro@...tes.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Jean-Philippe Brucker <jean-philippe@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 05/15] iommu: Rename struct iommu_param to dev_iommu
From: Joerg Roedel <jroedel@...e.de>
The term dev_iommu aligns better with other existing structures and
their accessor functions.
Tested-by: Will Deacon <will@...nel.org> # arm-smmu
Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
drivers/iommu/iommu.c | 28 ++++++++++++++--------------
include/linux/device.h | 6 +++---
include/linux/iommu.h | 4 ++--
3 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 3e3528436e0b..beac2ef063dd 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -152,9 +152,9 @@ void iommu_device_unregister(struct iommu_device *iommu)
}
EXPORT_SYMBOL_GPL(iommu_device_unregister);
-static struct iommu_param *iommu_get_dev_param(struct device *dev)
+static struct dev_iommu *dev_iommu_get(struct device *dev)
{
- struct iommu_param *param = dev->iommu_param;
+ struct dev_iommu *param = dev->iommu;
if (param)
return param;
@@ -164,14 +164,14 @@ static struct iommu_param *iommu_get_dev_param(struct device *dev)
return NULL;
mutex_init(¶m->lock);
- dev->iommu_param = param;
+ dev->iommu = param;
return param;
}
-static void iommu_free_dev_param(struct device *dev)
+static void dev_iommu_free(struct device *dev)
{
- kfree(dev->iommu_param);
- dev->iommu_param = NULL;
+ kfree(dev->iommu);
+ dev->iommu = NULL;
}
int iommu_probe_device(struct device *dev)
@@ -183,7 +183,7 @@ int iommu_probe_device(struct device *dev)
if (!ops)
return -EINVAL;
- if (!iommu_get_dev_param(dev))
+ if (!dev_iommu_get(dev))
return -ENOMEM;
if (!try_module_get(ops->owner)) {
@@ -200,7 +200,7 @@ int iommu_probe_device(struct device *dev)
err_module_put:
module_put(ops->owner);
err_free_dev_param:
- iommu_free_dev_param(dev);
+ dev_iommu_free(dev);
return ret;
}
@@ -211,9 +211,9 @@ void iommu_release_device(struct device *dev)
if (dev->iommu_group)
ops->remove_device(dev);
- if (dev->iommu_param) {
+ if (dev->iommu) {
module_put(ops->owner);
- iommu_free_dev_param(dev);
+ dev_iommu_free(dev);
}
}
@@ -972,7 +972,7 @@ int iommu_register_device_fault_handler(struct device *dev,
iommu_dev_fault_handler_t handler,
void *data)
{
- struct iommu_param *param = dev->iommu_param;
+ struct dev_iommu *param = dev->iommu;
int ret = 0;
if (!param)
@@ -1015,7 +1015,7 @@ EXPORT_SYMBOL_GPL(iommu_register_device_fault_handler);
*/
int iommu_unregister_device_fault_handler(struct device *dev)
{
- struct iommu_param *param = dev->iommu_param;
+ struct dev_iommu *param = dev->iommu;
int ret = 0;
if (!param)
@@ -1055,7 +1055,7 @@ EXPORT_SYMBOL_GPL(iommu_unregister_device_fault_handler);
*/
int iommu_report_device_fault(struct device *dev, struct iommu_fault_event *evt)
{
- struct iommu_param *param = dev->iommu_param;
+ struct dev_iommu *param = dev->iommu;
struct iommu_fault_event *evt_pending = NULL;
struct iommu_fault_param *fparam;
int ret = 0;
@@ -1104,7 +1104,7 @@ int iommu_page_response(struct device *dev,
int ret = -EINVAL;
struct iommu_fault_event *evt;
struct iommu_fault_page_request *prm;
- struct iommu_param *param = dev->iommu_param;
+ struct dev_iommu *param = dev->iommu;
struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
if (!domain || !domain->ops->page_response)
diff --git a/include/linux/device.h b/include/linux/device.h
index fa04dfd22bbc..405a8f11bec1 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -44,7 +44,7 @@ struct iommu_ops;
struct iommu_group;
struct iommu_fwspec;
struct dev_pin_info;
-struct iommu_param;
+struct dev_iommu;
/**
* struct subsys_interface - interfaces to device functions
@@ -514,7 +514,7 @@ struct dev_links_info {
* device (i.e. the bus driver that discovered the device).
* @iommu_group: IOMMU group the device belongs to.
* @iommu_fwspec: IOMMU-specific properties supplied by firmware.
- * @iommu_param: Per device generic IOMMU runtime data
+ * @iommu: Per device generic IOMMU runtime data
*
* @offline_disabled: If set, the device is permanently online.
* @offline: Set after successful invocation of bus type's .offline().
@@ -614,7 +614,7 @@ struct device {
void (*release)(struct device *dev);
struct iommu_group *iommu_group;
struct iommu_fwspec *iommu_fwspec;
- struct iommu_param *iommu_param;
+ struct dev_iommu *iommu;
bool offline_disabled:1;
bool offline:1;
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 3c4ca041d7a2..1c9fa5c1174b 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -365,7 +365,7 @@ struct iommu_fault_param {
};
/**
- * struct iommu_param - collection of per-device IOMMU data
+ * struct dev_iommu - Collection of per-device IOMMU data
*
* @fault_param: IOMMU detected device fault reporting data
*
@@ -373,7 +373,7 @@ struct iommu_fault_param {
* struct iommu_group *iommu_group;
* struct iommu_fwspec *iommu_fwspec;
*/
-struct iommu_param {
+struct dev_iommu {
struct mutex lock;
struct iommu_fault_param *fault_param;
};
--
2.17.1
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