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authorJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
committerJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
commitd2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch)
tree98a3741b4d4b27a48b3c7ea9babe331e539416a8 /arch/arm/mach-msm/include/mach/iommu.h
parentd03a5d888fb688c832d470b749acc5ed38e0bc1d (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
downloadtalos-obmc-linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.gz
talos-obmc-linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip
Merge branch 'master' into next
Conflicts: security/smack/smack_lsm.c Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au> Ok'd by Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/arm/mach-msm/include/mach/iommu.h')
-rw-r--r--arch/arm/mach-msm/include/mach/iommu.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/mach-msm/include/mach/iommu.h b/arch/arm/mach-msm/include/mach/iommu.h
index 218ef5732a24..296c0f10f230 100644
--- a/arch/arm/mach-msm/include/mach/iommu.h
+++ b/arch/arm/mach-msm/include/mach/iommu.h
@@ -20,13 +20,26 @@
#include <linux/interrupt.h>
+/* Sharability attributes of MSM IOMMU mappings */
+#define MSM_IOMMU_ATTR_NON_SH 0x0
+#define MSM_IOMMU_ATTR_SH 0x4
+
+/* Cacheability attributes of MSM IOMMU mappings */
+#define MSM_IOMMU_ATTR_NONCACHED 0x0
+#define MSM_IOMMU_ATTR_CACHED_WB_WA 0x1
+#define MSM_IOMMU_ATTR_CACHED_WB_NWA 0x2
+#define MSM_IOMMU_ATTR_CACHED_WT 0x3
+
+/* Mask for the cache policy attribute */
+#define MSM_IOMMU_CP_MASK 0x03
+
/* Maximum number of Machine IDs that we are allowing to be mapped to the same
* context bank. The number of MIDs mapped to the same CB does not affect
* performance, but there is a practical limit on how many distinct MIDs may
* be present. These mappings are typically determined at design time and are
* not expected to change at run time.
*/
-#define MAX_NUM_MIDS 16
+#define MAX_NUM_MIDS 32
/**
* struct msm_iommu_dev - a single IOMMU hardware instance
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