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authorEdgar E. Iglesias <edgar.iglesias@amd.com>2024-04-30 18:49:29 +0200
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2024-05-06 14:41:39 +0200
commit8be27f50ac7a788f1e7f7e0b4d519d3916a74ec8 (patch)
treeb3bc1d6a1494465beee5a3310e5c3ffb8b8ccab0 /hw/xen/xen-mapcache.c
parent9b005553548f2872ec913d3cf66db22d5b7c205a (diff)
downloadfocaccia-qemu-8be27f50ac7a788f1e7f7e0b4d519d3916a74ec8.tar.gz
focaccia-qemu-8be27f50ac7a788f1e7f7e0b4d519d3916a74ec8.zip
xen: mapcache: Refactor xen_replace_cache_entry_unlocked
Add MapCache argument to xen_replace_cache_entry_unlocked in
preparation for supporting multiple map caches.

No functional change.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240430164939.925307-8-edgar.iglesias@gmail.com>
[PMD: Remove last global mapcache pointer, reported by sstabellini]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/xen/xen-mapcache.c')
-rw-r--r--hw/xen/xen-mapcache.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
index 1927334e9f..96c422981e 100644
--- a/hw/xen/xen-mapcache.c
+++ b/hw/xen/xen-mapcache.c
@@ -557,7 +557,8 @@ void xen_invalidate_map_cache(void)
     mapcache_unlock(mapcache);
 }
 
-static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
+static uint8_t *xen_replace_cache_entry_unlocked(MapCache *mc,
+                                                 hwaddr old_phys_addr,
                                                  hwaddr new_phys_addr,
                                                  hwaddr size)
 {
@@ -579,7 +580,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
         cache_size += MCACHE_BUCKET_SIZE - (cache_size % MCACHE_BUCKET_SIZE);
     }
 
-    entry = &mapcache->entry[address_index % mapcache->nr_buckets];
+    entry = &mc->entry[address_index % mc->nr_buckets];
     while (entry && !(entry->paddr_index == address_index &&
                       entry->size == cache_size)) {
         entry = entry->next;
@@ -594,7 +595,7 @@ 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(mapcache, entry, entry->vaddr_base,
+    xen_remap_bucket(mc, entry, entry->vaddr_base,
                      cache_size, address_index, false);
     if (!test_bits(address_offset >> XC_PAGE_SHIFT,
                 test_bit_size >> XC_PAGE_SHIFT,
@@ -615,7 +616,8 @@ uint8_t *xen_replace_cache_entry(hwaddr old_phys_addr,
     uint8_t *p;
 
     mapcache_lock(mapcache);
-    p = xen_replace_cache_entry_unlocked(old_phys_addr, new_phys_addr, size);
+    p = xen_replace_cache_entry_unlocked(mapcache, old_phys_addr,
+                                         new_phys_addr, size);
     mapcache_unlock(mapcache);
     return p;
 }