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iommu/amd: Convert dev_table_entry to u64

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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 <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2011-11-09 12:06:03 +01:00
parent dc47ce90c3
commit ee6c286845
3 changed files with 18 additions and 16 deletions
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12
drivers/iommu/amd_iommu_init.c
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@@ -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;
}