From ebef62d0e527d4a021f94a405fb38db263f3c4a5 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Mon, 10 May 2021 13:43:19 +0200 Subject: [PATCH] softmmu/memory: Pass ram_flags to qemu_ram_alloc() and qemu_ram_alloc_internal() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Let's pass ram_flags to qemu_ram_alloc() and qemu_ram_alloc_internal(), preparing for passing additional flags. Reviewed-by: Philippe Mathieu-Daudé Acked-by: Eduardo Habkost for memory backend and machine core Signed-off-by: David Hildenbrand Message-Id: <20210510114328.21835-7-david@redhat.com> Signed-off-by: Paolo Bonzini --- include/exec/ram_addr.h | 2 +- softmmu/memory.c | 4 ++-- softmmu/physmem.c | 29 ++++++++++++----------------- 3 files changed, 15 insertions(+), 20 deletions(-) diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index a7e3378340..6d4513f8e2 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -122,7 +122,7 @@ RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr, RAMBlock *qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, MemoryRegion *mr, Error **errp); -RAMBlock *qemu_ram_alloc(ram_addr_t size, bool share, MemoryRegion *mr, +RAMBlock *qemu_ram_alloc(ram_addr_t size, uint32_t ram_flags, MemoryRegion *mr, Error **errp); RAMBlock *qemu_ram_alloc_resizeable(ram_addr_t size, ram_addr_t max_size, void (*resized)(const char*, diff --git a/softmmu/memory.c b/softmmu/memory.c index 5c0ff76c06..f0161515e9 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -1546,7 +1546,7 @@ void memory_region_init_ram_flags_nomigrate(MemoryRegion *mr, mr->ram = true; mr->terminates = true; mr->destructor = memory_region_destructor_ram; - mr->ram_block = qemu_ram_alloc(size, ram_flags & RAM_SHARED, mr, &err); + mr->ram_block = qemu_ram_alloc(size, ram_flags, mr, &err); if (err) { mr->size = int128_zero(); object_unparent(OBJECT(mr)); @@ -1702,7 +1702,7 @@ void memory_region_init_rom_device_nomigrate(MemoryRegion *mr, mr->terminates = true; mr->rom_device = true; mr->destructor = memory_region_destructor_ram; - mr->ram_block = qemu_ram_alloc(size, false, mr, &err); + mr->ram_block = qemu_ram_alloc(size, 0, mr, &err); if (err) { mr->size = int128_zero(); object_unparent(OBJECT(mr)); diff --git a/softmmu/physmem.c b/softmmu/physmem.c index b75d205e8a..f00304e254 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -2128,12 +2128,15 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, void (*resized)(const char*, uint64_t length, void *host), - void *host, bool resizeable, bool share, + void *host, uint32_t ram_flags, MemoryRegion *mr, Error **errp) { RAMBlock *new_block; Error *local_err = NULL; + assert((ram_flags & ~(RAM_SHARED | RAM_RESIZEABLE | RAM_PREALLOC)) == 0); + assert(!host ^ (ram_flags & RAM_PREALLOC)); + size = HOST_PAGE_ALIGN(size); max_size = HOST_PAGE_ALIGN(max_size); new_block = g_malloc0(sizeof(*new_block)); @@ -2145,15 +2148,7 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, new_block->fd = -1; new_block->page_size = qemu_real_host_page_size; new_block->host = host; - if (host) { - new_block->flags |= RAM_PREALLOC; - } - if (share) { - new_block->flags |= RAM_SHARED; - } - if (resizeable) { - new_block->flags |= RAM_RESIZEABLE; - } + new_block->flags = ram_flags; ram_block_add(new_block, &local_err); if (local_err) { g_free(new_block); @@ -2166,15 +2161,15 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, RAMBlock *qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, size, NULL, host, false, - false, mr, errp); + return qemu_ram_alloc_internal(size, size, NULL, host, RAM_PREALLOC, mr, + errp); } -RAMBlock *qemu_ram_alloc(ram_addr_t size, bool share, +RAMBlock *qemu_ram_alloc(ram_addr_t size, uint32_t ram_flags, MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, size, NULL, NULL, false, - share, mr, errp); + assert((ram_flags & ~RAM_SHARED) == 0); + return qemu_ram_alloc_internal(size, size, NULL, NULL, ram_flags, mr, errp); } RAMBlock *qemu_ram_alloc_resizeable(ram_addr_t size, ram_addr_t maxsz, @@ -2183,8 +2178,8 @@ RAMBlock *qemu_ram_alloc_resizeable(ram_addr_t size, ram_addr_t maxsz, void *host), MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, maxsz, resized, NULL, true, - false, mr, errp); + return qemu_ram_alloc_internal(size, maxsz, resized, NULL, + RAM_RESIZEABLE, mr, errp); } static void reclaim_ramblock(RAMBlock *block) -- 2.11.4.GIT