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authorJacob Pan <jacob.jun.pan@linux.intel.com>2019-01-11 08:04:57 +0300
committerJoerg Roedel <jroedel@suse.de>2019-01-11 15:10:03 +0300
commit5b438f4ba315db4f8c1489d175656798d58c014f (patch)
tree1938ea40fb86a382601a1bc174e03a0c7f220f68 /include/linux/intel-svm.h
parentbfeffd155283772bbe78c6a05dec7c0128ee500c (diff)
downloadlinux-5b438f4ba315db4f8c1489d175656798d58c014f.tar.xz
iommu/vt-d: Support page request in scalable mode
VT-d Rev3.0 has made a few changes to the page request interface, 1. widened PRQ descriptor from 128 bits to 256 bits; 2. removed streaming response type; 3. introduced private data that requires page response even the request is not last request in group (LPIG). This is a supplement to commit 1c4f88b7f1f92 ("iommu/vt-d: Shared virtual address in scalable mode") and makes the svm code compliant with VT-d Rev3.0. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Liu Yi L <yi.l.liu@intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Fixes: 1c4f88b7f1f92 ("iommu/vt-d: Shared virtual address in scalable mode") Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/intel-svm.h')
-rw-r--r--include/linux/intel-svm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h
index 99bc5b3ae26e..e3f76315ca4d 100644
--- a/include/linux/intel-svm.h
+++ b/include/linux/intel-svm.h
@@ -20,7 +20,7 @@ struct device;
struct svm_dev_ops {
void (*fault_cb)(struct device *dev, int pasid, u64 address,
- u32 private, int rwxp, int response);
+ void *private, int rwxp, int response);
};
/* Values for rxwp in fault_cb callback */