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| author |   Jacob Pan <jacob.jun.pan@linux.intel.com> | 2019-01-11 13:04:57 +0800 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2019-01-11 13:10:03 +0100 |
| commit | 5b438f4ba315db4f8c1489d175656798d58c014f (patch) | |
| tree | 1938ea40fb86a382601a1bc174e03a0c7f220f68 /include/linux/intel-svm.h | |
| parent | Linux 5.0-rc1 (diff) | |
| download | wireguard-linux-5b438f4ba315db4f8c1489d175656798d58c014f.tar.xz wireguard-linux-5b438f4ba315db4f8c1489d175656798d58c014f.zip | |
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.h | 2 |
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 */ |