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charset="utf-8" From: Jared Rossi Search for a corresponding S390PCIBusDevice and build an IPLB if a device h= as been indexed for boot but does not identify as a CCW device, PCI devices are not yet included in boot probing (they must have a boot ind= ex). Signed-off-by: Jared Rossi Reviewed-by: Thomas Huth --- hw/s390x/ipl.c | 56 ++++++++++++++++++++++++++++++--- hw/s390x/ipl.h | 3 ++ hw/s390x/s390-pci-bus.c | 3 +- include/hw/s390x/s390-pci-bus.h | 2 ++ 4 files changed, 57 insertions(+), 7 deletions(-) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index d34adb5522..53dd3deafa 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -28,6 +28,8 @@ #include "hw/s390x/ebcdic.h" #include "hw/scsi/scsi.h" #include "hw/virtio/virtio-net.h" +#include "hw/virtio/virtio-pci.h" +#include "hw/s390x/s390-pci-bus.h" #include "exec/cpu-common.h" #include "ipl.h" #include "qemu/error-report.h" @@ -340,7 +342,8 @@ static void s390_ipl_set_boot_menu(S390IPLState *ipl) ipl->qipl.boot_menu_timeout =3D cpu_to_be32(splash_time); } =20 -#define CCW_DEVTYPE_NONE 0x00 +#define S390_DEVTYPE_NONE 0x00 + #define CCW_DEVTYPE_VIRTIO 0x01 #define CCW_DEVTYPE_VIRTIO_NET 0x02 #define CCW_DEVTYPE_SCSI 0x03 @@ -349,7 +352,7 @@ static void s390_ipl_set_boot_menu(S390IPLState *ipl) static CcwDevice *s390_get_ccw_device(DeviceState *dev_st, int *devtype) { CcwDevice *ccw_dev =3D NULL; - int tmp_dt =3D CCW_DEVTYPE_NONE; + int tmp_dt =3D S390_DEVTYPE_NONE; =20 if (dev_st) { VirtIONet *virtio_net_dev =3D (VirtIONet *) @@ -396,6 +399,31 @@ static CcwDevice *s390_get_ccw_device(DeviceState *dev= _st, int *devtype) return ccw_dev; } =20 +#define PCI_DEVTYPE_VIRTIO 0x05 + +static S390PCIBusDevice *s390_get_pci_device(DeviceState *dev_st, int *dev= type) +{ + S390PCIBusDevice *pbdev =3D NULL; + int tmp_dt =3D S390_DEVTYPE_NONE; + + if (dev_st) { + PCIDevice *pci_dev =3D (PCIDevice *) + object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent= ), + TYPE_VIRTIO_PCI); + if (pci_dev) { + pbdev =3D s390_pci_find_dev_by_pci(s390_get_phb(), pci_dev); + if (pbdev) { + tmp_dt =3D PCI_DEVTYPE_VIRTIO; + } + } + } + if (devtype) { + *devtype =3D tmp_dt; + } + + return pbdev; +} + static uint64_t s390_ipl_map_iplb_chain(IplParameterBlock *iplb_chain) { S390IPLState *ipl =3D get_ipl_device(); @@ -428,14 +456,12 @@ void s390_ipl_convert_loadparm(char *ascii_lp, uint8_= t *ebcdic_lp) static bool s390_build_iplb(DeviceState *dev_st, IplParameterBlock *iplb) { CcwDevice *ccw_dev =3D NULL; + S390PCIBusDevice *pbdev =3D NULL; SCSIDevice *sd; int devtype; uint8_t *lp; g_autofree void *scsi_lp =3D NULL; =20 - /* - * Currently allow IPL only from CCW devices. - */ ccw_dev =3D s390_get_ccw_device(dev_st, &devtype); if (ccw_dev) { lp =3D ccw_dev->loadparm; @@ -485,6 +511,26 @@ static bool s390_build_iplb(DeviceState *dev_st, IplPa= rameterBlock *iplb) return true; } =20 + pbdev =3D s390_get_pci_device(dev_st, &devtype); + if (pbdev) { + switch (devtype) { + case PCI_DEVTYPE_VIRTIO: + iplb->len =3D S390_IPLB_MIN_PCI_LEN; + iplb->pbt =3D S390_IPL_TYPE_PCI; + iplb->pci.fid =3D pbdev->fid; + break; + default: + return false; + } + + /* Per-device loadparm not yet supported for non-ccw IPL */ + lp =3D S390_CCW_MACHINE(qdev_get_machine())->loadparm; + s390_ipl_convert_loadparm((char *)lp, iplb->loadparm); + iplb->flags |=3D DIAG308_FLAGS_LP_VALID; + + return true; + } + return false; } =20 diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h index c542d30ce2..403cd08450 100644 --- a/hw/s390x/ipl.h +++ b/hw/s390x/ipl.h @@ -107,6 +107,7 @@ QEMU_BUILD_BUG_MSG(offsetof(S390IPLState, iplb) & 3, "a= lignment of iplb wrong"); #define S390_IPLB_MIN_PV_LEN 148 #define S390_IPLB_MIN_CCW_LEN 200 #define S390_IPLB_MIN_FCP_LEN 384 +#define S390_IPLB_MIN_PCI_LEN 376 #define S390_IPLB_MIN_QEMU_SCSI_LEN 200 =20 static inline bool iplb_valid_len(IplParameterBlock *iplb) @@ -179,6 +180,8 @@ static inline bool iplb_valid(IplParameterBlock *iplb) return len >=3D S390_IPLB_MIN_FCP_LEN; case S390_IPL_TYPE_CCW: return len >=3D S390_IPLB_MIN_CCW_LEN; + case S390_IPL_TYPE_PCI: + return len >=3D S390_IPLB_MIN_PCI_LEN; case S390_IPL_TYPE_QEMU_SCSI: default: return false; diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index b438d63c44..ddf6efdc28 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -250,8 +250,7 @@ S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciSt= ate *s, return NULL; } =20 -static S390PCIBusDevice *s390_pci_find_dev_by_pci(S390pciState *s, - PCIDevice *pci_dev) +S390PCIBusDevice *s390_pci_find_dev_by_pci(S390pciState *s, PCIDevice *pci= _dev) { S390PCIBusDevice *pbdev; =20 diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bu= s.h index f643e13057..9228523ce8 100644 --- a/include/hw/s390x/s390-pci-bus.h +++ b/include/hw/s390x/s390-pci-bus.h @@ -402,6 +402,8 @@ S390PCIBusDevice *s390_pci_find_dev_by_fh(S390pciState = *s, uint32_t fh); S390PCIBusDevice *s390_pci_find_dev_by_fid(S390pciState *s, uint32_t fid); S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s, const char *target); +S390PCIBusDevice *s390_pci_find_dev_by_pci(S390pciState *s, + PCIDevice *pci_dev); S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s, S390PCIBusDevice *pbdev); void s390_pci_ism_reset(void); --=20 2.52.0