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intel_iommu: renaming context entry helpers

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The old names are too long and less ordered. Let's start to use
vtd_ce_*() as a pattern.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Peter Xu 2017-05-19 11:19:43 +08:00 committed by Michael S. Tsirkin
parent 0b77d30a43
commit 8f7d7161dd
1 changed files with 12 additions and 12 deletions
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24
hw/i386/intel_iommu.c
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@ -512,7 +512,7 @@ static int vtd_get_root_entry(IntelIOMMUState *s, uint8_t index,
return 0;
}
static inline bool vtd_context_entry_present(VTDContextEntry *context)
static inline bool vtd_ce_present(VTDContextEntry *context)
{
return context->lo & VTD_CONTEXT_ENTRY_P;
}
@ -533,7 +533,7 @@ static int vtd_get_context_entry_from_root(VTDRootEntry *root, uint8_t index,
return 0;
}
static inline dma_addr_t vtd_get_slpt_base_from_context(VTDContextEntry *ce)
static inline dma_addr_t vtd_ce_get_slpt_base(VTDContextEntry *ce)
{
return ce->lo & VTD_CONTEXT_ENTRY_SLPTPTR;
}
@ -585,19 +585,19 @@ static inline bool vtd_is_level_supported(IntelIOMMUState *s, uint32_t level)
/* Get the page-table level that hardware should use for the second-level
* page-table walk from the Address Width field of context-entry.
*/
static inline uint32_t vtd_get_level_from_context_entry(VTDContextEntry *ce)
static inline uint32_t vtd_ce_get_level(VTDContextEntry *ce)
{
return 2 + (ce->hi & VTD_CONTEXT_ENTRY_AW);
}
static inline uint32_t vtd_get_agaw_from_context_entry(VTDContextEntry *ce)
static inline uint32_t vtd_ce_get_agaw(VTDContextEntry *ce)
{
return 30 + (ce->hi & VTD_CONTEXT_ENTRY_AW) * 9;
}
static inline uint64_t vtd_iova_limit(VTDContextEntry *ce)
{
uint32_t ce_agaw = vtd_get_agaw_from_context_entry(ce);
uint32_t ce_agaw = vtd_ce_get_agaw(ce);
return 1ULL << MIN(ce_agaw, VTD_MGAW);
}
@ -642,8 +642,8 @@ static int vtd_iova_to_slpte(VTDContextEntry *ce, uint64_t iova, bool is_write,
uint64_t *slptep, uint32_t *slpte_level,
bool *reads, bool *writes)
{
dma_addr_t addr = vtd_get_slpt_base_from_context(ce);
uint32_t level = vtd_get_level_from_context_entry(ce);
dma_addr_t addr = vtd_ce_get_slpt_base(ce);
uint32_t level = vtd_ce_get_level(ce);
uint32_t offset;
uint64_t slpte;
uint64_t access_right_check;
@ -664,7 +664,7 @@ static int vtd_iova_to_slpte(VTDContextEntry *ce, uint64_t iova, bool is_write,
VTD_DPRINTF(GENERAL, "error: fail to access second-level paging "
"entry at level %"PRIu32 " for iova 0x%"PRIx64,
level, iova);
if (level == vtd_get_level_from_context_entry(ce)) {
if (level == vtd_ce_get_level(ce)) {
/* Invalid programming of context-entry */
return -VTD_FR_CONTEXT_ENTRY_INV;
} else {
@ -809,8 +809,8 @@ static int vtd_page_walk(VTDContextEntry *ce, uint64_t start, uint64_t end,
vtd_page_walk_hook hook_fn, void *private,
bool notify_unmap)
{
dma_addr_t addr = vtd_get_slpt_base_from_context(ce);
uint32_t level = vtd_get_level_from_context_entry(ce);
dma_addr_t addr = vtd_ce_get_slpt_base(ce);
uint32_t level = vtd_ce_get_level(ce);
if (!vtd_iova_range_check(start, ce)) {
return -VTD_FR_ADDR_BEYOND_MGAW;
@ -851,7 +851,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
return ret_fr;
}
if (!vtd_context_entry_present(ce)) {
if (!vtd_ce_present(ce)) {
/* Not error - it's okay we don't have context entry. */
trace_vtd_ce_not_present(bus_num, devfn);
return -VTD_FR_CONTEXT_ENTRY_P;
@ -861,7 +861,7 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num,
return -VTD_FR_CONTEXT_ENTRY_RSVD;
}
/* Check if the programming of context-entry is valid */
if (!vtd_is_level_supported(s, vtd_get_level_from_context_entry(ce))) {
if (!vtd_is_level_supported(s, vtd_ce_get_level(ce))) {
trace_vtd_ce_invalid(ce->hi, ce->lo);
return -VTD_FR_CONTEXT_ENTRY_INV;
} else {