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cleanup get_gfn_from_base_reg() function.
Signed-off-by: Wei Wang <wei.wang2@amd.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> Committed-by: Jan Beulich <jbeulich@suse.com>
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Wei Wang committed
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@@ -121,16 +121,9 @@ static unsigned int host_domid(struct domain *d, uint64_t g_domid)
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static unsigned long get_gfn_from_base_reg(uint64_t base_raw)
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{
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struct mmio_reg reg;
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uint64_t addr64;
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reg.lo = iommu_get_addr_lo_from_reg(base_raw & DMA_32BIT_MASK);
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reg.hi = iommu_get_addr_hi_from_reg(base_raw >> 32);
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addr64 = reg_to_u64(reg);
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ASSERT ( addr64 != 0 );
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return addr64 >> PAGE_SHIFT;
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base_raw &= PADDR_MASK;
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ASSERT ( base_raw != 0 );
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return base_raw >> PAGE_SHIFT;
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}
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static void guest_iommu_deliver_msi(struct domain *d)
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@@ -257,16 +257,4 @@ static inline void iommu_set_addr_hi_to_reg(uint32_t *reg, uint32_t addr)
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IOMMU_REG_BASE_ADDR_HIGH_SHIFT, reg);
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}
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static inline uint32_t iommu_get_addr_lo_from_reg(uint32_t reg)
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{
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return get_field_from_reg_u32(reg, IOMMU_REG_BASE_ADDR_LOW_MASK,
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IOMMU_REG_BASE_ADDR_LOW_SHIFT);
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}
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static inline uint32_t iommu_get_addr_hi_from_reg(uint32_t reg)
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{
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return get_field_from_reg_u32(reg, IOMMU_REG_BASE_ADDR_HIGH_MASK,
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IOMMU_REG_BASE_ADDR_HIGH_SHIFT);
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}
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#endif /* _ASM_X86_64_AMD_IOMMU_PROTO_H */
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