From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:44708) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UHQbo-0005yv-0T for qemu-devel@nongnu.org; Sun, 17 Mar 2013 23:19:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UHQbf-0004WG-SJ for qemu-devel@nongnu.org; Sun, 17 Mar 2013 23:19:35 -0400 Received: from e8.ny.us.ibm.com ([32.97.182.138]:48055) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UHQbf-0004Vo-O0 for qemu-devel@nongnu.org; Sun, 17 Mar 2013 23:19:27 -0400 Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 17 Mar 2013 23:19:27 -0400 Received: from d01relay07.pok.ibm.com (d01relay07.pok.ibm.com [9.56.227.147]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id 1C8E1C9001E for ; Sun, 17 Mar 2013 23:19:25 -0400 (EDT) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay07.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r2I3JOHr61407338 for ; Sun, 17 Mar 2013 23:19:24 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r2I3JOdA009264 for ; Sun, 17 Mar 2013 23:19:24 -0400 From: mrhines@linux.vnet.ibm.com Date: Sun, 17 Mar 2013 23:18:57 -0400 Message-Id: <1363576743-6146-5-git-send-email-mrhines@linux.vnet.ibm.com> In-Reply-To: <1363576743-6146-1-git-send-email-mrhines@linux.vnet.ibm.com> References: <1363576743-6146-1-git-send-email-mrhines@linux.vnet.ibm.com> Subject: [Qemu-devel] [RFC PATCH RDMA support v4: 04/10] iterators for getting the RAMBlocks List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, mst@redhat.com, owasserm@redhat.com, abali@us.ibm.com, mrhines@us.ibm.com, gokul@us.ibm.com, pbonzini@redhat.com From: "Michael R. Hines" This introduces: 1. qemu_ram_foreach_block 2. qemu_ram_count_blocks Both used in communicating the RAMBlocks to each side for later memory registration. Signed-off-by: Michael R. Hines --- exec.c | 21 +++++++++++++++++++++ include/exec/cpu-common.h | 6 ++++++ 2 files changed, 27 insertions(+) diff --git a/exec.c b/exec.c index 8a6aac3..a985da8 100644 --- a/exec.c +++ b/exec.c @@ -2629,3 +2629,24 @@ bool cpu_physical_memory_is_io(hwaddr phys_addr) memory_region_is_romd(section->mr)); } #endif + +void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque) +{ + RAMBlock *block; + + QTAILQ_FOREACH(block, &ram_list.blocks, next) { + func(block->host, block->offset, block->length, opaque); + } +} + +int qemu_ram_count_blocks(void) +{ + RAMBlock *block; + int total = 0; + + QTAILQ_FOREACH(block, &ram_list.blocks, next) { + total++; + } + + return total; +} diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 2e5f11f..aea3fe0 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -119,6 +119,12 @@ extern struct MemoryRegion io_mem_rom; extern struct MemoryRegion io_mem_unassigned; extern struct MemoryRegion io_mem_notdirty; +typedef void (RAMBlockIterFunc)(void *host_addr, + ram_addr_t offset, ram_addr_t length, void *opaque); + +void qemu_ram_foreach_block(RAMBlockIterFunc func, void *opaque); +int qemu_ram_count_blocks(void); + #endif #endif /* !CPU_COMMON_H */ -- 1.7.10.4