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system: Pass RAM MemoryRegion and is_write in xen_map_cache()

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Propagate MR and is_write to xen_map_cache().
This is in preparation for adding support for grant mappings.

No functional change.

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>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240430164939.925307-14-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2024-04-30 18:49:35 +02:00 • committed by Philippe Mathieu-Daudé
parent 886e5ade91
commit 5a5585f45d
3 changed files with 36 additions and 16 deletions
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10
hw/xen/xen-mapcache.c
View file

@ -254,7 +254,7 @@ static void xen_remap_bucket(MapCache *mc,
static uint8_t *xen_map_cache_unlocked(MapCache *mc,
hwaddr phys_addr, hwaddr size,
uint8_t lock, bool dma)
uint8_t lock, bool dma, bool is_write)
{
MapCacheEntry *entry, *pentry = NULL,
*free_entry = NULL, *free_pentry = NULL;
@ -377,13 +377,15 @@ tryagain:
return mc->last_entry->vaddr_base + address_offset;
}
uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size,
uint8_t lock, bool dma)
uint8_t *xen_map_cache(MemoryRegion *mr,
hwaddr phys_addr, hwaddr size,
uint8_t lock, bool dma,
bool is_write)
{
uint8_t *p;
mapcache_lock(mapcache);
p = xen_map_cache_unlocked(mapcache, phys_addr, size, lock, dma);
p = xen_map_cache_unlocked(mapcache, phys_addr, size, lock, dma, is_write);
mapcache_unlock(mapcache);
return p;
}