* [PATCH 4.10 042/167] iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu
[not found] ` <20170310083956.767605269-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
@ 2017-03-10 9:08 ` Greg Kroah-Hartman
2017-03-10 9:08 ` [PATCH 4.10 043/167] iommu/vt-d: Tylersburg isoch identity map check is done too late Greg Kroah-Hartman
1 sibling, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2017-03-10 9:08 UTC (permalink / raw)
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA, Joerg Roedel,
David Woodhouse
Cc: Joerg Roedel, Greg Kroah-Hartman, stable-u79uwXL29TY76Z2rM5mHXA,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA
4.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: CQ Tang <cq.tang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
commit aaa59306b0b7e0ca4ba92cc04c5db101cbb1c096 upstream.
Some of the macros are incorrect with wrong bit-shifts resulting in picking
the incorrect invalidation granularity. Incorrect Source-ID in extended
devtlb invalidation caused device side errors.
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: CQ Tang <cq.tang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Fixes: 2f26e0a9 ("iommu/vt-d: Add basic SVM PASID support")
Signed-off-by: CQ Tang <cq.tang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Tested-by: CQ Tang <cq.tang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Signed-off-by: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
---
include/linux/intel-iommu.h | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -153,8 +153,8 @@ static inline void dmar_writeq(void __io
#define DMA_TLB_GLOBAL_FLUSH (((u64)1) << 60)
#define DMA_TLB_DSI_FLUSH (((u64)2) << 60)
#define DMA_TLB_PSI_FLUSH (((u64)3) << 60)
-#define DMA_TLB_IIRG(type) ((type >> 60) & 7)
-#define DMA_TLB_IAIG(val) (((val) >> 57) & 7)
+#define DMA_TLB_IIRG(type) ((type >> 60) & 3)
+#define DMA_TLB_IAIG(val) (((val) >> 57) & 3)
#define DMA_TLB_READ_DRAIN (((u64)1) << 49)
#define DMA_TLB_WRITE_DRAIN (((u64)1) << 48)
#define DMA_TLB_DID(id) (((u64)((id) & 0xffff)) << 32)
@@ -164,9 +164,9 @@ static inline void dmar_writeq(void __io
/* INVALID_DESC */
#define DMA_CCMD_INVL_GRANU_OFFSET 61
-#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 3)
-#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 3)
-#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 3)
+#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 4)
+#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 4)
+#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 4)
#define DMA_ID_TLB_READ_DRAIN (((u64)1) << 7)
#define DMA_ID_TLB_WRITE_DRAIN (((u64)1) << 6)
#define DMA_ID_TLB_DID(id) (((u64)((id & 0xffff) << 16)))
@@ -316,8 +316,8 @@ enum {
#define QI_DEV_EIOTLB_SIZE (((u64)1) << 11)
#define QI_DEV_EIOTLB_GLOB(g) ((u64)g)
#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
-#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
-#define QI_DEV_EIOTLB_QDEP(qd) (((qd) & 0x1f) << 16)
+#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
+#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
#define QI_DEV_EIOTLB_MAX_INVS 32
#define QI_PGRP_IDX(idx) (((u64)(idx)) << 55)
^ permalink raw reply [flat|nested] 2+ messages in thread* [PATCH 4.10 043/167] iommu/vt-d: Tylersburg isoch identity map check is done too late.
[not found] ` <20170310083956.767605269-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
2017-03-10 9:08 ` [PATCH 4.10 042/167] iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu Greg Kroah-Hartman
@ 2017-03-10 9:08 ` Greg Kroah-Hartman
1 sibling, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2017-03-10 9:08 UTC (permalink / raw)
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA, Joerg Roedel,
David Woodhouse
Cc: Joerg Roedel, Greg Kroah-Hartman, Yunhong Jiang,
stable-u79uwXL29TY76Z2rM5mHXA,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA
4.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
commit 21e722c4c8377b5bc82ad058fed12165af739c1b upstream.
The check to set identity map for tylersburg is done too late. It needs
to be done before the check for identity_map domain is done.
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Fixes: 86080ccc22 ("iommu/vt-d: Allocate si_domain in init_dmars()")
Signed-off-by: Ashok Raj <ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Reported-by: Yunhong Jiang <yunhong.jiang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Signed-off-by: Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
---
drivers/iommu/intel-iommu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3325,13 +3325,14 @@ static int __init init_dmars(void)
iommu_identity_mapping |= IDENTMAP_GFX;
#endif
+ check_tylersburg_isoch();
+
if (iommu_identity_mapping) {
ret = si_domain_init(hw_pass_through);
if (ret)
goto free_iommu;
}
- check_tylersburg_isoch();
/*
* If we copied translations from a previous kernel in the kdump
^ permalink raw reply [flat|nested] 2+ messages in thread