From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55822) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1egwxK-0006Am-OL for qemu-devel@nongnu.org; Wed, 31 Jan 2018 13:17:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1egwxJ-0002X1-Tg for qemu-devel@nongnu.org; Wed, 31 Jan 2018 13:17:58 -0500 From: Cornelia Huck Date: Wed, 31 Jan 2018 19:17:42 +0100 Message-Id: <20180131181742.2037-3-cohuck@redhat.com> In-Reply-To: <20180131181742.2037-1-cohuck@redhat.com> References: <20180131181742.2037-1-cohuck@redhat.com> Subject: [Qemu-devel] [PATCH v2 2/2] s390x/cpumodel: allow zpci features in qemu model List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: rth@twiddle.net, agraf@suse.de, david@redhat.com, Cornelia Huck AEN can be provided unconditionally, ZPCI should be turned on manually. With -cpu qemu,zpci=on, a 4.15 guest kernel can now successfully detect virtio-pci devices under tcg. Signed-off-by: Cornelia Huck --- target/s390x/cpu_models.c | 6 ++++++ target/s390x/gen-features.c | 3 +++ 2 files changed, 9 insertions(+) diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 212a5f0697..250d931d7e 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -23,6 +23,7 @@ #include "qapi/qmp/qbool.h" #ifndef CONFIG_USER_ONLY #include "sysemu/arch_init.h" +#include "hw/pci/pci.h" #endif #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \ @@ -1271,6 +1272,11 @@ static void register_types(void) /* init all bitmaps from gnerated data initially */ s390_init_feat_bitmap(qemu_max_cpu_feat_init, qemu_max_cpu_feat); +#ifndef CONFIG_USER_ONLY + if (!pci_available) { + clear_bit(S390_FEAT_ZPCI, qemu_max_cpu_feat); + } +#endif for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { s390_init_feat_bitmap(s390_cpu_defs[i].base_init, s390_cpu_defs[i].base_feat); diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 0570f597ec..c7083ed4a8 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -574,6 +574,7 @@ static uint16_t qemu_LATEST[] = { S390_FEAT_INTERLOCKED_ACCESS_2, S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3, + S390_FEAT_ADAPTER_EVENT_NOTIFICATION, }; /* add all new definitions before this point */ @@ -582,6 +583,8 @@ static uint16_t qemu_MAX[] = { S390_FEAT_STFLE_53, /* generates a dependency warning, leave it out for now */ S390_FEAT_MSA_EXT_5, + /* only with CONFIG_PCI */ + S390_FEAT_ZPCI, }; /****** END FEATURE DEFS ******/ -- 2.13.6