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Walling" To: borntraeger@de.ibm.com, frankja@linux.vnet.ibm.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Date: Mon, 27 Nov 2017 15:55:34 -0500 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511816136-30068-1-git-send-email-walling@linux.vnet.ibm.com> References: <1511816136-30068-1-git-send-email-walling@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17112720-0008-0000-0000-000002A6F726 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008121; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000241; SDB=6.00952101; UDB=6.00480947; IPR=6.00732182; BA=6.00005715; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00018212; XFM=3.00000015; UTC=2017-11-27 20:56:11 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17112720-0009-0000-0000-0000376E6659 Message-Id: <1511816136-30068-4-git-send-email-walling@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-11-27_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 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1711270279 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v1 3/5] s390-ccw: parse and set boot menu options 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 Set boot menu options for an s390 guest and store them in the iplb. These options are set via the QEMU command line option: -boot menu=on|off[,splash-time=X] or via the libvirt domain xml: Where X represents some positive integer representing milliseconds. Signed-off-by: Collin L. Walling Reviewed-by: Janosch Frank --- hw/s390x/ipl.c | 23 +++++++++++++++++++++++ hw/s390x/ipl.h | 8 ++++++-- pc-bios/s390-ccw/iplb.h | 8 ++++++-- 3 files changed, 35 insertions(+), 4 deletions(-) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index 0d06fc1..0ca9e37 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -23,6 +23,8 @@ #include "hw/s390x/ebcdic.h" #include "ipl.h" #include "qemu/error-report.h" +#include "qemu/config-file.h" +#include "qemu/cutils.h" #define KERN_IMAGE_START 0x010000UL #define KERN_PARM_AREA 0x010480UL @@ -219,6 +221,23 @@ static Property s390_ipl_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void s390_ipl_set_boot_menu(uint8_t *boot_menu_enabled, + uint16_t *boot_menu_timeout) +{ + QemuOptsList *plist = qemu_find_opts("boot-opts"); + QemuOpts *opts = QTAILQ_FIRST(&plist->head); + const char *p; + long result = 0; + + *boot_menu_enabled = qemu_opt_get_bool(opts, "menu", false); + + if (*boot_menu_enabled) { + p = qemu_opt_get(opts, "splash-time"); + qemu_strtol(p, NULL, 10, &result); + *boot_menu_timeout = result; + } +} + static bool s390_gen_initial_iplb(S390IPLState *ipl) { DeviceState *dev_st; @@ -245,6 +264,8 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl) ipl->iplb.pbt = S390_IPL_TYPE_CCW; ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno); ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3; + s390_ipl_set_boot_menu(&ipl->iplb.ccw.boot_menu_enabled, + &ipl->iplb.ccw.boot_menu_timeout); } else if (sd) { SCSIBus *bus = scsi_bus_from_device(sd); VirtIOSCSI *vdev = container_of(bus, VirtIOSCSI, bus); @@ -266,6 +287,8 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl) ipl->iplb.scsi.channel = cpu_to_be16(sd->channel); ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno); ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3; + s390_ipl_set_boot_menu(&ipl->iplb.scsi.boot_menu_enabled, + &ipl->iplb.scsi.boot_menu_timeout); } else { return false; /* unknown device */ } diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h index 8a705e0..7c960b1 100644 --- a/hw/s390x/ipl.h +++ b/hw/s390x/ipl.h @@ -17,7 +17,9 @@ struct IplBlockCcw { uint64_t netboot_start_addr; - uint8_t reserved0[77]; + uint8_t reserved0[74]; + uint8_t boot_menu_enabled; + uint16_t boot_menu_timeout; uint8_t ssid; uint16_t devno; uint8_t vm_flags; @@ -51,7 +53,9 @@ struct IplBlockQemuScsi { uint32_t lun; uint16_t target; uint16_t channel; - uint8_t reserved0[77]; + uint8_t reserved0[74]; + uint8_t boot_menu_enabled; + uint16_t boot_menu_timeout; uint8_t ssid; uint16_t devno; } QEMU_PACKED; diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h index 890aed9..658d163 100644 --- a/pc-bios/s390-ccw/iplb.h +++ b/pc-bios/s390-ccw/iplb.h @@ -14,7 +14,9 @@ struct IplBlockCcw { uint64_t netboot_start_addr; - uint8_t reserved0[77]; + uint8_t reserved0[74]; + uint8_t boot_menu_enabled; + uint16_t boot_menu_timeout; uint8_t ssid; uint16_t devno; uint8_t vm_flags; @@ -48,7 +50,9 @@ struct IplBlockQemuScsi { uint32_t lun; uint16_t target; uint16_t channel; - uint8_t reserved0[77]; + uint8_t reserved0[74]; + uint8_t boot_menu_enabled; + uint16_t boot_menu_timeout; uint8_t ssid; uint16_t devno; } __attribute__ ((packed));