From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44932) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VCnZl-0003P5-KN for qemu-devel@nongnu.org; Fri, 23 Aug 2013 05:22:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VCnZb-0005se-Vq for qemu-devel@nongnu.org; Fri, 23 Aug 2013 05:22:37 -0400 Received: from mail-pb0-f54.google.com ([209.85.160.54]:49982) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VCnZb-0005s9-PV for qemu-devel@nongnu.org; Fri, 23 Aug 2013 05:22:27 -0400 Received: by mail-pb0-f54.google.com with SMTP id ro12so455105pbb.13 for ; Fri, 23 Aug 2013 02:22:27 -0700 (PDT) From: Alexey Kardashevskiy Date: Fri, 23 Aug 2013 19:22:17 +1000 Message-Id: <1377249737-12570-1-git-send-email-aik@ozlabs.ru> Subject: [Qemu-devel] [PATCH] spapr-vscsi: Adding VSCSI capabilities List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Nikunj A Dadhania , aik@ozlabs.ru, Alexander Graf , qemu-ppc@nongnu.org, Paolo Bonzini From: Nikunj A Dadhania This implements capabilities exchange between host and client. As at the moment no capability is supported, put zero flags everywhere and return. Signed-off-by: Nikunj A Dadhania Signed-off-by: Alexey Kardashevskiy --- hw/scsi/spapr_vscsi.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c index c5ff794..cc35b1b 100644 --- a/hw/scsi/spapr_vscsi.c +++ b/hw/scsi/spapr_vscsi.c @@ -919,6 +919,34 @@ static int vscsi_send_adapter_info(VSCSIState *s, vscsi_req *req) return vscsi_send_iu(s, req, sizeof(*sinfo), VIOSRP_MAD_FORMAT); } +static int vscsi_send_capabilities(VSCSIState *s, vscsi_req *req) +{ + struct viosrp_capabilities *vcap; + struct capabilities cap; + int rc; + + vcap = &req->iu.mad.capabilities; + rc = spapr_vio_dma_read(&s->vdev, be64_to_cpu(vcap->buffer), + &cap, be16_to_cpu(vcap->common.length)); + if (rc) { + fprintf(stderr, "vscsi_send_capabilities: DMA write failure !\n"); + } + + cap.flags = 0; + cap.migration.ecl = 0; + cap.reserve.type = 0; + cap.migration.common.server_support = 0; + cap.reserve.common.server_support = 0; + rc = spapr_vio_dma_write(&s->vdev, be64_to_cpu(vcap->buffer), + &cap, be16_to_cpu(vcap->common.length)); + if (rc) { + fprintf(stderr, "vscsi_send_capabilities: DMA write failure !\n"); + } + vcap->common.status = rc ? cpu_to_be32(1) : 0; + + return vscsi_send_iu(s, req, sizeof(*vcap), VIOSRP_MAD_FORMAT); +} + static int vscsi_handle_mad_req(VSCSIState *s, vscsi_req *req) { union mad_iu *mad = &req->iu.mad; @@ -939,6 +967,9 @@ static int vscsi_handle_mad_req(VSCSIState *s, vscsi_req *req) mad->host_config.common.status = cpu_to_be16(1); vscsi_send_iu(s, req, sizeof(mad->host_config), VIOSRP_MAD_FORMAT); break; + case VIOSRP_CAPABILITIES_TYPE: + vscsi_send_capabilities(s, req); + break; default: fprintf(stderr, "VSCSI: Unknown MAD type %02x\n", be32_to_cpu(mad->empty_iu.common.type)); -- 1.8.4.rc4