From ee6c28684585a64fd79c5a56e849af58ebdc5948 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Wed, 9 Nov 2011 12:06:03 +0100 Subject: iommu/amd: Convert dev_table_entry to u64 Convert the contents of 'struct dev_table_entry' to u64 to allow updating the DTE wit 64bit writes as required by the spec. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu_init.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/iommu/amd_iommu_init.c') diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 82d2410f4205..17e0f77c7dad 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -584,18 +584,18 @@ static void __init free_event_buffer(struct amd_iommu *iommu) /* sets a specific bit in the device table entry. */ static void set_dev_entry_bit(u16 devid, u8 bit) { - int i = (bit >> 5) & 0x07; - int _bit = bit & 0x1f; + int i = (bit >> 6) & 0x03; + int _bit = bit & 0x3f; - amd_iommu_dev_table[devid].data[i] |= (1 << _bit); + amd_iommu_dev_table[devid].data[i] |= (1UL << _bit); } static int get_dev_entry_bit(u16 devid, u8 bit) { - int i = (bit >> 5) & 0x07; - int _bit = bit & 0x1f; + int i = (bit >> 6) & 0x03; + int _bit = bit & 0x3f; - return (amd_iommu_dev_table[devid].data[i] & (1 << _bit)) >> _bit; + return (amd_iommu_dev_table[devid].data[i] & (1UL << _bit)) >> _bit; } -- cgit v1.2.3-59-g8ed1b