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authorLu Baolu <baolu.lu@linux.intel.com>2024-02-12 04:22:15 +0300
committerJoerg Roedel <jroedel@suse.de>2024-02-16 17:19:22 +0300
commit8b32a3bea2629049c484f595af7aad797e24453e (patch)
tree10175c6a0186464b303be0e9e314785e7eb51981
parent0edeab66eba88947dabe8634a3efd136cc771750 (diff)
downloadlinux-8b32a3bea2629049c484f595af7aad797e24453e.tar.xz
iommu: Cleanup iopf data structure definitions
struct iommu_fault_page_request and struct iommu_page_response are not part of uAPI anymore. Convert them to data structures for kAPI. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Yi Liu <yi.l.liu@intel.com> Tested-by: Yan Zhao <yan.y.zhao@intel.com> Tested-by: Longfang Liu <liulongfang@huawei.com> Link: https://lore.kernel.org/r/20240212012227.119381-5-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/io-pgfault.c1
-rw-r--r--drivers/iommu/iommu.c4
-rw-r--r--include/linux/iommu.h27
3 files changed, 11 insertions, 21 deletions
diff --git a/drivers/iommu/io-pgfault.c b/drivers/iommu/io-pgfault.c
index e5b8b9110c13..24b5545352ae 100644
--- a/drivers/iommu/io-pgfault.c
+++ b/drivers/iommu/io-pgfault.c
@@ -56,7 +56,6 @@ static int iopf_complete_group(struct device *dev, struct iopf_fault *iopf,
enum iommu_page_response_code status)
{
struct iommu_page_response resp = {
- .version = IOMMU_PAGE_RESP_VERSION_1,
.pasid = iopf->fault.prm.pasid,
.grpid = iopf->fault.prm.grpid,
.code = status,
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index d14413916f93..6a4d9bc0641d 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1494,10 +1494,6 @@ int iommu_page_response(struct device *dev,
if (!param || !param->fault_param)
return -EINVAL;
- if (msg->version != IOMMU_PAGE_RESP_VERSION_1 ||
- msg->flags & ~IOMMU_PAGE_RESP_PASID_VALID)
- return -EINVAL;
-
/* Only send response if there is a fault report pending */
mutex_lock(&param->fault_param->lock);
if (list_empty(&param->fault_param->faults)) {
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index c960c4fae3bc..829bcb5a8e23 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -71,12 +71,12 @@ struct iommu_fault_page_request {
#define IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE (1 << 1)
#define IOMMU_FAULT_PAGE_REQUEST_PRIV_DATA (1 << 2)
#define IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID (1 << 3)
- __u32 flags;
- __u32 pasid;
- __u32 grpid;
- __u32 perm;
- __u64 addr;
- __u64 private_data[2];
+ u32 flags;
+ u32 pasid;
+ u32 grpid;
+ u32 perm;
+ u64 addr;
+ u64 private_data[2];
};
/**
@@ -85,7 +85,7 @@ struct iommu_fault_page_request {
* @prm: Page Request message, when @type is %IOMMU_FAULT_PAGE_REQ
*/
struct iommu_fault {
- __u32 type;
+ u32 type;
struct iommu_fault_page_request prm;
};
@@ -106,8 +106,6 @@ enum iommu_page_response_code {
/**
* struct iommu_page_response - Generic page response information
- * @argsz: User filled size of this data
- * @version: API version of this structure
* @flags: encodes whether the corresponding fields are valid
* (IOMMU_FAULT_PAGE_RESPONSE_* values)
* @pasid: Process Address Space ID
@@ -115,14 +113,11 @@ enum iommu_page_response_code {
* @code: response code from &enum iommu_page_response_code
*/
struct iommu_page_response {
- __u32 argsz;
-#define IOMMU_PAGE_RESP_VERSION_1 1
- __u32 version;
#define IOMMU_PAGE_RESP_PASID_VALID (1 << 0)
- __u32 flags;
- __u32 pasid;
- __u32 grpid;
- __u32 code;
+ u32 flags;
+ u32 pasid;
+ u32 grpid;
+ u32 code;
};