[Xen-changelog] [xen master] IOMMU: iommu_igfx is x86-only

[patchbot@xxxxxxx]

commit cd550c3963ea521205e80df935c17d4cdee02844
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Tue Mar 10 15:35:57 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Mar 10 15:35:57 2020 +0100

    IOMMU: iommu_igfx is x86-only
    
    In fact it's VT-d specific, but we don't have a way yet to build code
    for just one vendor.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
    Reviewed-by: Paul Durrant <paul@xxxxxxx>
---
 xen/drivers/passthrough/iommu.c     | 3 ++-
 xen/drivers/passthrough/vtd/iommu.c | 2 ++
 xen/include/xen/iommu.h             | 3 ++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/xen/drivers/passthrough/iommu.c b/xen/drivers/passthrough/iommu.c
index a0d366411a..e094fd1e31 100644
--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -32,7 +32,6 @@ bool_t __read_mostly iommu_enabled;
 bool_t __read_mostly force_iommu;
 bool_t __read_mostly iommu_verbose;
 bool __read_mostly iommu_quarantine = true;
-bool_t __read_mostly iommu_igfx = 1;
 bool_t __read_mostly iommu_snoop = 1;
 bool_t __read_mostly iommu_qinval = 1;
 bool_t __read_mostly iommu_crash_disable;
@@ -73,8 +72,10 @@ static int __init parse_iommu_param(const char *s)
             force_iommu = val;
         else if ( (val = parse_boolean("quarantine", s, ss)) >= 0 )
             iommu_quarantine = val;
+#ifdef CONFIG_X86
         else if ( (val = parse_boolean("igfx", s, ss)) >= 0 )
             iommu_igfx = val;
+#endif
         else if ( (val = parse_boolean("verbose", s, ss)) >= 0 )
             iommu_verbose = val;
         else if ( (val = parse_boolean("snoop", s, ss)) >= 0 )
diff --git a/xen/drivers/passthrough/vtd/iommu.c 
b/xen/drivers/passthrough/vtd/iommu.c
index 680fe7d128..8b7f48f68b 100644
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -50,6 +50,8 @@ struct mapped_rmrr {
 /* Possible unfiltered LAPIC/MSI messages from untrusted sources? */
 bool __read_mostly untrusted_msi;
 
+bool __read_mostly iommu_igfx = true;
+
 int nr_iommus;
 
 static struct tasklet vtd_fault_tasklet;
diff --git a/xen/include/xen/iommu.h b/xen/include/xen/iommu.h
index d9178c17fc..43ee4764d6 100644
--- a/xen/include/xen/iommu.h
+++ b/xen/include/xen/iommu.h
@@ -53,7 +53,7 @@ static inline bool_t dfn_eq(dfn_t x, dfn_t y)
 }
 
 extern bool_t iommu_enable, iommu_enabled;
-extern bool force_iommu, iommu_quarantine, iommu_verbose, iommu_igfx;
+extern bool force_iommu, iommu_quarantine, iommu_verbose;
 extern bool_t iommu_snoop, iommu_qinval;
 
 #ifdef CONFIG_X86
@@ -70,6 +70,7 @@ extern enum __packed iommu_intremap {
    iommu_intremap_restricted,
    iommu_intremap_full,
 } iommu_intremap;
+extern bool iommu_igfx;
 #else
 # define iommu_intremap false
 #endif
--
generated by git-patchbot for /home/xen/git/xen.git#master

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