From: David Hildenbrand <david@redhat.com>
To: Janosch Frank <frankja@linux.ibm.com>, qemu-devel@nongnu.org
Cc: qemu-s390x@nongnu.org, mihajlov@linux.ibm.com, cohuck@redhat.com
Subject: Re: [PATCH v4 08/16] s390x: protvirt: Move STSI data over SIDAD
Date: Tue, 25 Feb 2020 11:05:29 +0100 [thread overview]
Message-ID: <ad3542d2-4efc-599c-92d8-bf1f13389823@redhat.com> (raw)
In-Reply-To: <20200220125638.7241-9-frankja@linux.ibm.com>
On 20.02.20 13:56, Janosch Frank wrote:
> For protected guests, we need to put the STSI emulation results into
> the SIDA, so SIE will write them into the guest at the next entry.
>
> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
> ---
> target/s390x/kvm.c | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
> index f222836df5..3a5a5146e3 100644
> --- a/target/s390x/kvm.c
> +++ b/target/s390x/kvm.c
> @@ -1795,11 +1795,16 @@ static int handle_tsch(S390CPU *cpu)
>
> static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar)
> {
> + CPUS390XState *env = &cpu->env;
> SysIB_322 sysib;
> int del;
>
> - if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) {
> - return;
> + if (env->pv) {
> + s390_cpu_pv_mem_read(cpu, 0, &sysib, sizeof(sysib));
> + } else {
> + if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) {
> + return;
> + }
> }
> /* Shift the stack of Extended Names to prepare for our own data */
> memmove(&sysib.ext_names[1], &sysib.ext_names[0],
> @@ -1838,7 +1843,11 @@ static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar)
> /* Insert UUID */
> memcpy(sysib.vm[0].uuid, &qemu_uuid, sizeof(sysib.vm[0].uuid));
>
> - s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib));
> + if (env->pv) {
> + s390_cpu_pv_mem_write(cpu, 0, &sysib, sizeof(sysib));
> + } else {
> + s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib));
> + }
> }
>
> static int handle_stsi(S390CPU *cpu)
>
Acked-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2020-02-25 10:10 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 12:56 [PATCH v4 00/16] s390x: Protected Virtualization support Janosch Frank
2020-02-20 12:56 ` [PATCH v4 01/16] Sync pv Janosch Frank
2020-02-25 9:42 ` David Hildenbrand
2020-02-25 11:10 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 02/16] s390x: protvirt: Add diag308 subcodes 8 - 10 Janosch Frank
2020-02-21 9:49 ` Cornelia Huck
2020-02-21 11:42 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 03/16] s390x: protvirt: Support unpack facility Janosch Frank
2020-02-24 14:13 ` Christian Borntraeger
2020-02-24 14:25 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 04/16] s390x: protvirt: Add migration blocker Janosch Frank
2020-02-25 9:50 ` David Hildenbrand
2020-02-25 11:21 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 05/16] s390x: protvirt: Handle diag 308 subcodes 0,1,3,4 Janosch Frank
2020-02-20 12:56 ` [PATCH v4 06/16] s390x: protvirt: KVM intercept changes Janosch Frank
2020-02-25 10:01 ` David Hildenbrand
2020-02-25 11:33 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 07/16] s390x: Add SIDA memory ops Janosch Frank
2020-02-25 9:59 ` David Hildenbrand
2020-02-25 11:27 ` Janosch Frank
2020-02-20 12:56 ` [PATCH v4 08/16] s390x: protvirt: Move STSI data over SIDAD Janosch Frank
2020-02-25 10:05 ` David Hildenbrand [this message]
2020-02-20 12:56 ` [PATCH v4 09/16] s390x: protvirt: SCLP interpretation Janosch Frank
2020-02-20 12:56 ` [PATCH v4 10/16] s390x: protvirt: Set guest IPL PSW Janosch Frank
2020-02-20 12:56 ` [PATCH v4 11/16] s390x: protvirt: Move diag 308 data over SIDAD Janosch Frank
2020-02-20 12:56 ` [PATCH v4 12/16] s390x: protvirt: Disable address checks for PV guest IO emulation Janosch Frank
2020-02-20 12:56 ` [PATCH v4 13/16] s390x: protvirt: Move IO control structures over SIDA Janosch Frank
2020-02-20 12:56 ` [PATCH v4 14/16] s390x: protvirt: Handle SIGP store status correctly Janosch Frank
2020-02-20 12:56 ` [PATCH v4 15/16] s390x: Add unpack feature to GA1 Janosch Frank
2020-02-25 9:53 ` David Hildenbrand
2020-02-20 12:56 ` [PATCH v4 16/16] docs: Add protvirt docs Janosch Frank
2020-02-21 10:00 ` Cornelia Huck
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