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xen: mapcache: Refactor xen_remap_bucket for multi-instance

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Add MapCache argument to xen_remap_bucket in preparation
to support multiple map caches.

No functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240430164939.925307-6-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2024-04-30 18:49:27 +02:00 committed by Philippe Mathieu-Daudé
parent eda3a8cd2e
commit 9b1f33fa63
1 changed files with 5 additions and 4 deletions
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9
hw/xen/xen-mapcache.c
View file

@ -139,7 +139,8 @@ void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque)
mapcache->entry = g_malloc0(size);
}
static void xen_remap_bucket(MapCacheEntry *entry,
static void xen_remap_bucket(MapCache *mc,
MapCacheEntry *entry,
void *vaddr,
hwaddr size,
hwaddr address_index,
@ -313,14 +314,14 @@ tryagain:
if (!entry) {
entry = g_new0(MapCacheEntry, 1);
pentry->next = entry;
xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
} else if (!entry->lock) {
if (!entry->vaddr_base || entry->paddr_index != address_index ||
entry->size != cache_size ||
!test_bits(address_offset >> XC_PAGE_SHIFT,
test_bit_size >> XC_PAGE_SHIFT,
entry->valid_mapping)) {
xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
}
}
@ -588,7 +589,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr);
xen_remap_bucket(entry, entry->vaddr_base,
xen_remap_bucket(mapcache, entry, entry->vaddr_base,
cache_size, address_index, false);
if (!test_bits(address_offset >> XC_PAGE_SHIFT,
test_bit_size >> XC_PAGE_SHIFT,