summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorJacob Pan <jacob.jun.pan@linux.intel.com>2018-06-07 09:56:59 -0700
committerJoerg Roedel <jroedel@suse.de>2018-07-06 13:26:10 +0200
commit0f725561e168485eff7277d683405c05b192f537 (patch)
tree57881b4ce4a1eeb9abef25183f1753a39797c2d6 /include
parent021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff)
downloadlinux-stable-0f725561e168485eff7277d683405c05b192f537.tar.gz
linux-stable-0f725561e168485eff7277d683405c05b192f537.tar.bz2
linux-stable-0f725561e168485eff7277d683405c05b192f537.zip
iommu/vt-d: Add definitions for PFSID
When SRIOV VF device IOTLB is invalidated, we need to provide the PF source ID such that IOMMU hardware can gauge the depth of invalidation queue which is shared among VFs. This is needed when device invalidation throttle (DIT) capability is supported. This patch adds bit definitions for checking and tracking PFSID. Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: stable@vger.kernel.org Cc: "Ashok Raj" <ashok.raj@intel.com> Cc: "Lu Baolu" <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/intel-iommu.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 1df940196ab2..3b1c37155572 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -114,6 +114,7 @@
* Extended Capability Register
*/
+#define ecap_dit(e) ((e >> 41) & 0x1)
#define ecap_pasid(e) ((e >> 40) & 0x1)
#define ecap_pss(e) ((e >> 35) & 0x1f)
#define ecap_eafs(e) ((e >> 34) & 0x1)
@@ -283,6 +284,7 @@ enum {
#define QI_DEV_IOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
#define QI_DEV_IOTLB_QDEP(qdep) (((qdep) & 0x1f) << 16)
#define QI_DEV_IOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK)
+#define QI_DEV_IOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52))
#define QI_DEV_IOTLB_SIZE 1
#define QI_DEV_IOTLB_MAX_INVS 32
@@ -307,6 +309,7 @@ enum {
#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
+#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | ((u64)(pfsid & 0xfff) << 52))
#define QI_DEV_EIOTLB_MAX_INVS 32
#define QI_PGRP_IDX(idx) (((u64)(idx)) << 55)