From patchwork Thu Nov 11 07:47:00 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sheng Yang X-Patchwork-Id: 316642 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oAB7l76Y032109 for ; Thu, 11 Nov 2010 07:47:09 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757805Ab0KKHrB (ORCPT ); Thu, 11 Nov 2010 02:47:01 -0500 Received: from mga01.intel.com ([192.55.52.88]:33381 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757795Ab0KKHrA (ORCPT ); Thu, 11 Nov 2010 02:47:00 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 10 Nov 2010 23:47:00 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.59,181,1288594800"; d="scan'208";a="856423858" Received: from syang10-desktop.sh.intel.com (HELO syang10-desktop) ([10.239.13.14]) by fmsmga001.fm.intel.com with ESMTP; 10 Nov 2010 23:46:59 -0800 Received: from yasker by syang10-desktop with local (Exim 4.72) (envelope-from ) id 1PGRs6-0001qZ-C6; Thu, 11 Nov 2010 15:47:02 +0800 From: Sheng Yang To: Avi Kivity , Marcelo Tosatti , "Michael S. Tsirkin" Cc: kvm@vger.kernel.org, Sheng Yang Subject: [PATCH 7/7] KVM: assigned dev: Big endian support for MSI-X MMIO Date: Thu, 11 Nov 2010 15:47:00 +0800 Message-Id: <1289461620-7055-8-git-send-email-sheng@linux.intel.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1289461620-7055-1-git-send-email-sheng@linux.intel.com> References: <1289461620-7055-1-git-send-email-sheng@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 11 Nov 2010 07:47:09 +0000 (UTC) diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c index 3010d7d..15b5f74 100644 --- a/virt/kvm/assigned-dev.c +++ b/virt/kvm/assigned-dev.c @@ -848,9 +848,9 @@ static int msix_mmio_read(struct kvm_io_device *this, gpa_t addr, int len, idx = (addr - adev->msix_mmio_base) / PCI_MSIX_ENTRY_SIZE; if ((addr % PCI_MSIX_ENTRY_SIZE) == PCI_MSIX_ENTRY_VECTOR_CTRL) - *(unsigned long *)val = + *(unsigned long *)val = le32_to_cpu( test_bit(idx, adev->msix_mask_bitmap) ? - PCI_MSIX_ENTRY_CTRL_MASKBIT : 0; + PCI_MSIX_ENTRY_CTRL_MASKBIT : 0); else r = -EOPNOTSUPP; goto out; @@ -869,6 +869,7 @@ static int msix_mmio_read(struct kvm_io_device *this, gpa_t addr, int len, adev->msix_mask_bitmap); memcpy(val, &entry[addr % PCI_MSIX_ENTRY_SIZE / sizeof *entry], len); + *(unsigned long *)val = le32_to_cpu(*(unsigned long *)val); out: mutex_unlock(&adev->kvm->lock); return r; @@ -881,7 +882,7 @@ static int msix_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, container_of(this, struct kvm_assigned_dev_kernel, msix_mmio_dev); int idx, r = 0; - unsigned long new_val = *(unsigned long *)val; + unsigned long new_val = cpu_to_le32(*(unsigned long *)val); mutex_lock(&adev->kvm->lock); if (!msix_mmio_in_range(adev, addr, len)) {