From patchwork Tue Apr 16 02:44:39 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: mrhines@linux.vnet.ibm.com X-Patchwork-Id: 236820 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C98632C00F2 for ; Tue, 16 Apr 2013 12:45:46 +1000 (EST) Received: from localhost ([::1]:37054 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URvtx-0003ND-1L for incoming@patchwork.ozlabs.org; Mon, 15 Apr 2013 22:45:45 -0400 Received: from eggs.gnu.org ([208.118.235.92]:58115) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URvtL-0003LC-SZ for qemu-devel@nongnu.org; Mon, 15 Apr 2013 22:45:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URvtJ-0001Fy-0h for qemu-devel@nongnu.org; Mon, 15 Apr 2013 22:45:07 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:35158) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URvtI-0001Fb-Sf for qemu-devel@nongnu.org; Mon, 15 Apr 2013 22:45:04 -0400 Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 15 Apr 2013 22:45:04 -0400 Received: from d01dlp02.pok.ibm.com (9.56.250.167) by e7.ny.us.ibm.com (192.168.1.107) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 15 Apr 2013 22:45:03 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 37EA16E8041 for ; Mon, 15 Apr 2013 22:45:00 -0400 (EDT) Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r3G2j2ri239176 for ; Mon, 15 Apr 2013 22:45:02 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r3G2j1w2014735 for ; Mon, 15 Apr 2013 23:45:02 -0300 Received: from mrhinesdev.klabtestbed.com (klinux.watson.ibm.com [9.2.208.21]) by d01av03.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id r3G2j15H014657; Mon, 15 Apr 2013 23:45:01 -0300 From: mrhines@linux.vnet.ibm.com To: qemu-devel@nongnu.org Date: Mon, 15 Apr 2013 22:44:39 -0400 Message-Id: <1366080286-9288-2-git-send-email-mrhines@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1366080286-9288-1-git-send-email-mrhines@linux.vnet.ibm.com> References: <1366080286-9288-1-git-send-email-mrhines@linux.vnet.ibm.com> X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13041602-5806-0000-0000-000020BE2F98 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 32.97.182.137 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 Subject: [Qemu-devel] [PULL 1/8] rdma: introduce qemu_ram_foreach_block X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: "Michael R. Hines" This is used during RDMA initialization in order to transmit a description of all the RAM blocks to the peer for later dynamic chunk registration purposes. Signed-off-by: Michael R. Hines --- exec.c | 9 +++++++++ include/exec/cpu-common.h | 5 +++++ 2 files changed, 14 insertions(+) diff --git a/exec.c b/exec.c index fa1e0c3..0e5a2c3 100644 --- a/exec.c +++ b/exec.c @@ -2631,3 +2631,12 @@ 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); + } +} diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 2e5f11f..2900fd6 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -119,6 +119,11 @@ 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); + #endif #endif /* !CPU_COMMON_H */