From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:43389) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tarhv-0001uN-7B for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:34:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Tarhr-0001Vy-43 for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:33:59 -0500 Received: from mail-ie0-f173.google.com ([209.85.223.173]:64587) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tarhq-0001Vs-VS for qemu-devel@nongnu.org; Tue, 20 Nov 2012 12:33:55 -0500 Received: by mail-ie0-f173.google.com with SMTP id k14so4747418iea.4 for ; Tue, 20 Nov 2012 09:33:54 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Tue, 20 Nov 2012 18:33:41 +0100 Message-Id: <1353432821-32517-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH] esp: enable busmaster List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: seabios@seabios.org Cc: kraxel@redhat.com, qemu-devel@nongnu.org The HBA does DMA, thus we must enable the busmaster bit, otherwise dma access will fail with recent qemu versions. Signed-off-by: Paolo Bonzini --- src/esp-scsi.c | 2 ++ 1 file modificato, 2 inserzioni(+) diff --git a/src/esp-scsi.c b/src/esp-scsi.c index b795012..c43e55b 100644 --- a/src/esp-scsi.c +++ b/src/esp-scsi.c @@ -202,6 +202,8 @@ init_esp_scsi(struct pci_device *pci) pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf), pci_bdf_to_fn(bdf), iobase); + pci_config_maskw(bdf, PCI_COMMAND, 0, PCI_COMMAND_MASTER); + // reset outb(ESP_CMD_RESET, iobase + ESP_CMD); -- 1.7.12.1