[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 3/5] 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> --- 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(cons 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 ) --- 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; --- 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 } 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 @@ -66,6 +66,7 @@ extern enum __packed iommu_intremap { iommu_intremap_restricted, iommu_intremap_full, } iommu_intremap; +extern bool iommu_igfx; #else # define iommu_intremap false #endif _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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