From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33709) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dFL95-0008BC-7d for qemu-devel@nongnu.org; Mon, 29 May 2017 09:55:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dFL91-0005Dg-BP for qemu-devel@nongnu.org; Mon, 29 May 2017 09:55:43 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43027) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dFL91-0005D1-2m for qemu-devel@nongnu.org; Mon, 29 May 2017 09:55:39 -0400 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v4TDrUVQ144881 for ; Mon, 29 May 2017 09:55:37 -0400 Received: from e06smtp11.uk.ibm.com (e06smtp11.uk.ibm.com [195.75.94.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 2arm8p9myr-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 29 May 2017 09:55:37 -0400 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 29 May 2017 14:55:35 +0100 From: Halil Pasic Date: Mon, 29 May 2017 15:55:18 +0200 In-Reply-To: <20170529135520.101429-1-pasic@linux.vnet.ibm.com> References: <20170529135520.101429-1-pasic@linux.vnet.ibm.com> Message-Id: <20170529135520.101429-6-pasic@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v2 5/7] s390x/css: add ORB to SubchDev List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cornelia Huck , "Dr. David Alan Gilbert" Cc: Dong Jia Shi , Juan Quintela , qemu-devel@nongnu.org, Halil Pasic Since we are going to need a migration compatibility breaking change to activate ChannelSubSys migration let us use the opportunity to introduce ORB to the SubchDev before that (otherwise we would need separate handling e.g. a compat property). The ORB will be useful for implementing IDA, or async handling of subchannel work. Signed-off-by: Halil Pasic Reviewed-by: Guenther Hutzl --- hw/s390x/css.c | 35 +++++++++++++++++++++++++++++++++++ include/hw/s390x/css.h | 1 + 2 files changed, 36 insertions(+) diff --git a/hw/s390x/css.c b/hw/s390x/css.c index a15b58d303..e840dfba2a 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -163,6 +163,36 @@ static const VMStateDescription vmstate_sense_id = { } }; +static const VMStateDescription vmstate_orb = { + .name = "s390_orb", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(intparm, ORB), + VMSTATE_UINT16(ctrl0, ORB), + VMSTATE_UINT8(lpm, ORB), + VMSTATE_UINT8(ctrl1, ORB), + VMSTATE_UINT32(cpa, ORB), + VMSTATE_END_OF_LIST() + } +}; + +static bool vmstate_schdev_orb_needed(void *opaque) +{ + return css_migration_enabled(); +} + +static const VMStateDescription vmstate_schdev_orb = { + .name = "s390_subch_dev/orb", + .version_id = 1, + .minimum_version_id = 1, + .needed = vmstate_schdev_orb_needed, + .fields = (VMStateField[]) { + VMSTATE_STRUCT(orb, SubchDev, 1, vmstate_orb, ORB), + VMSTATE_END_OF_LIST() + } +}; + static int subch_dev_post_load(void *opaque, int version_id); static void subch_dev_pre_save(void *opaque); @@ -187,6 +217,10 @@ const VMStateDescription vmstate_subch_dev = { VMSTATE_BOOL(ccw_fmt_1, SubchDev), VMSTATE_UINT8(ccw_no_data_cnt, SubchDev), VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription * []) { + &vmstate_schdev_orb, + NULL } }; @@ -1253,6 +1287,7 @@ int css_do_ssch(SubchDev *sch, ORB *orb) if (channel_subsys.chnmon_active) { css_update_chnmon(sch); } + sch->orb = *orb; sch->channel_prog = orb->cpa; /* Trigger the start function. */ s->ctrl |= (SCSW_FCTL_START_FUNC | SCSW_ACTL_START_PEND); diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h index d74e44d312..e9c02af550 100644 --- a/include/hw/s390x/css.h +++ b/include/hw/s390x/css.h @@ -89,6 +89,7 @@ struct SubchDev { bool thinint_active; uint8_t ccw_no_data_cnt; uint16_t migrated_schid; /* used for missmatch detection */ + ORB orb; /* transport-provided data: */ int (*ccw_cb) (SubchDev *, CCW1); void (*disable_cb)(SubchDev *); -- 2.11.2