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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 13 Mar 2019 16:31:44 -0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2DGVgSs25166030 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Mar 2019 16:31:42 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 914DBAC05B; Wed, 13 Mar 2019 16:31:42 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 446E6AC059; Wed, 13 Mar 2019 16:31:42 +0000 (GMT) Received: from jason-laptop.ibm.com (unknown [9.85.204.7]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 13 Mar 2019 16:31:42 +0000 (GMT) From: "Jason J. Herne" To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, cohuck@redhat.com, thuth@redhat.com, pasic@linux.ibm.com, alifm@linux.ibm.com, borntraeger@de.ibm.com Date: Wed, 13 Mar 2019 12:31:21 -0400 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1552494682-16788-1-git-send-email-jjherne@linux.ibm.com> References: <1552494682-16788-1-git-send-email-jjherne@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19031316-0072-0000-0000-0000040A7011 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010751; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000281; SDB=6.01173836; UDB=6.00613761; IPR=6.00954499; MB=3.00025962; MTD=3.00000008; XFM=3.00000015; UTC=2019-03-13 16:31:45 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19031316-0073-0000-0000-00004B7A096E Message-Id: <1552494682-16788-15-git-send-email-jjherne@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-13_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903130115 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v5 14/15] s390-bios: Add channel command codes/structs needed for dasd-ipl X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP The dasd IPL procedure needs to execute a few previously unused channel commands. Let's define them and their associated data structures. Signed-off-by: Jason J. Herne Acked-by: Cornelia Huck Acked-by: Thomas Huth --- pc-bios/s390-ccw/cio.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h index 1637e32..aaa432d 100644 --- a/pc-bios/s390-ccw/cio.h +++ b/pc-bios/s390-ccw/cio.h @@ -200,11 +200,14 @@ typedef struct ccw1 { #define CCW_FLAG_IDA 0x04 #define CCW_FLAG_SUSPEND 0x02 +/* Common CCW commands */ +#define CCW_CMD_READ_IPL 0x02 #define CCW_CMD_NOOP 0x03 #define CCW_CMD_BASIC_SENSE 0x04 #define CCW_CMD_TIC 0x08 #define CCW_CMD_SENSE_ID 0xe4 +/* Virtio CCW commands */ #define CCW_CMD_SET_VQ 0x13 #define CCW_CMD_VDEV_RESET 0x33 #define CCW_CMD_READ_FEAT 0x12 @@ -216,6 +219,12 @@ typedef struct ccw1 { #define CCW_CMD_SET_CONF_IND 0x53 #define CCW_CMD_READ_VQ_CONF 0x32 +/* DASD CCW commands */ +#define CCW_CMD_DASD_READ 0x06 +#define CCW_CMD_DASD_SEEK 0x07 +#define CCW_CMD_DASD_SEARCH_ID_EQ 0x31 +#define CCW_CMD_DASD_READ_MT 0x86 + /* * Command-mode operation request block */ @@ -333,6 +342,20 @@ typedef struct irb { __u32 emw[8]; } __attribute__ ((packed, aligned(4))) Irb; +/* Used for SEEK ccw commands */ +typedef struct CcwSeekData { + uint16_t reserved; + uint16_t cyl; + uint16_t head; +} __attribute__((packed)) CcwSeekData; + +/* Used for SEARCH ID ccw commands */ +typedef struct CcwSearchIdData { + uint16_t cyl; + uint16_t head; + uint8_t record; +} __attribute__((packed)) CcwSearchIdData; + int enable_mss_facility(void); void enable_subchannel(SubChannelId schid); uint16_t cu_type(SubChannelId schid);