Commit 622ba12a authored by Mark McLoughlin's avatar Mark McLoughlin Committed by Joerg Roedel

intel-iommu: move DMA PTE defs out of dma_remapping.h

DMA_PTE_READ/WRITE are needed by kvm.
Signed-off-by: default avatarMark McLoughlin <markmc@redhat.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 7a8fc25e
......@@ -128,6 +128,28 @@ struct context_entry {
do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0)
#define context_clear_entry(c) do {(c).lo = 0; (c).hi = 0;} while (0)
/*
* 0: readable
* 1: writable
* 2-6: reserved
* 7: super page
* 8-11: available
* 12-63: Host physcial address
*/
struct dma_pte {
u64 val;
};
#define dma_clear_pte(p) do {(p).val = 0;} while (0)
#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0)
#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0)
#define dma_set_pte_prot(p, prot) \
do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0)
#define dma_pte_addr(p) ((p).val & VTD_PAGE_MASK)
#define dma_set_pte_addr(p, addr) do {\
(p).val |= ((addr) & VTD_PAGE_MASK); } while (0)
#define dma_pte_present(p) (((p).val & 3) != 0)
static void flush_unmaps_timeout(unsigned long data);
DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0);
......
......@@ -11,31 +11,9 @@
struct root_entry;
/*
* 0: readable
* 1: writable
* 2-6: reserved
* 7: super page
* 8-11: available
* 12-63: Host physcial address
*/
struct dma_pte {
u64 val;
};
#define dma_clear_pte(p) do {(p).val = 0;} while (0)
#define DMA_PTE_READ (1)
#define DMA_PTE_WRITE (2)
#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0)
#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0)
#define dma_set_pte_prot(p, prot) \
do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0)
#define dma_pte_addr(p) ((p).val & VTD_PAGE_MASK)
#define dma_set_pte_addr(p, addr) do {\
(p).val |= ((addr) & VTD_PAGE_MASK); } while (0)
#define dma_pte_present(p) (((p).val & 3) != 0)
struct intel_iommu;
struct dmar_domain {
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment