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From: Matthew Rosato <mjrosato@linux.ibm.com>
To: linux-s390@vger.kernel.org
Cc: alex.williamson@redhat.com, cohuck@redhat.com,
	schnelle@linux.ibm.com, farman@linux.ibm.com,
	pmorel@linux.ibm.com, borntraeger@linux.ibm.com,
	hca@linux.ibm.com, gor@linux.ibm.com,
	gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com,
	svens@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com,
	imbrenda@linux.ibm.com, vneethv@linux.ibm.com,
	oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com,
	pasic@linux.ibm.com, pbonzini@redhat.com, corbet@lwn.net,
	jgg@nvidia.com, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: [PATCH v7 01/22] s390/sclp: detect the zPCI load/store interpretation facility
Date: Fri, 13 May 2022 15:14:48 -0400	[thread overview]
Message-ID: <20220513191509.272897-2-mjrosato@linux.ibm.com> (raw)
In-Reply-To: <20220513191509.272897-1-mjrosato@linux.ibm.com>

Detect the zPCI Load/Store Interpretation facility.

Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 arch/s390/include/asm/sclp.h   | 1 +
 drivers/s390/char/sclp_early.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 04cb1e7582a6..06c0b5eb8ef5 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -87,6 +87,7 @@ struct sclp_info {
 	unsigned char has_diag318 : 1;
 	unsigned char has_sipl : 1;
 	unsigned char has_dirq : 1;
+	unsigned char has_zpci_lsi : 1;
 	unsigned int ibc;
 	unsigned int mtid;
 	unsigned int mtid_cp;
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index e9943a86c361..b88dd0da1231 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -45,6 +45,7 @@ static void __init sclp_early_facilities_detect(void)
 	sclp.has_gisaf = !!(sccb->fac118 & 0x08);
 	sclp.has_hvs = !!(sccb->fac119 & 0x80);
 	sclp.has_kss = !!(sccb->fac98 & 0x01);
+	sclp.has_zpci_lsi = !!(sccb->fac118 & 0x01);
 	if (sccb->fac85 & 0x02)
 		S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
 	if (sccb->fac91 & 0x40)
-- 
2.27.0


  reply	other threads:[~2022-05-13 19:15 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-13 19:14 [PATCH v7 00/22] KVM: s390: enable zPCI for interpretive execution Matthew Rosato
2022-05-13 19:14 ` Matthew Rosato [this message]
2022-05-13 19:14 ` [PATCH v7 02/22] s390/sclp: detect the AISII facility Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 03/22] s390/sclp: detect the AENI facility Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 04/22] s390/sclp: detect the AISI facility Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 05/22] s390/airq: pass more TPI info to airq handlers Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 06/22] s390/airq: allow for airq structure that uses an input vector Matthew Rosato
2022-05-16 10:18   ` Thomas Huth
2022-05-13 19:14 ` [PATCH v7 07/22] s390/pci: externalize the SIC operation controls and routine Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 08/22] s390/pci: stash associated GISA designation Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 09/22] s390/pci: stash dtsm and maxstbl Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 10/22] vfio/pci: introduce CONFIG_VFIO_PCI_ZDEV_KVM Matthew Rosato
2022-05-16 16:59   ` Jason Gunthorpe
2022-05-13 19:14 ` [PATCH v7 11/22] KVM: s390: pci: add basic kvm_zdev structure Matthew Rosato
2022-05-13 19:14 ` [PATCH v7 12/22] KVM: s390: pci: do initial setup for AEN interpretation Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 13/22] KVM: s390: pci: enable host forwarding of Adapter Event Notifications Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 14/22] KVM: s390: mechanism to enable guest zPCI Interpretation Matthew Rosato
2022-05-16 10:49   ` Thomas Huth
2022-05-13 19:15 ` [PATCH v7 15/22] KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 16/22] KVM: s390: pci: add routines to start/stop interpretive execution Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 17/22] vfio-pci/zdev: add open/close device hooks Matthew Rosato
2022-05-16 17:27   ` Jason Gunthorpe
2022-05-16 18:30     ` Matthew Rosato
2022-05-16 18:35       ` Jason Gunthorpe
2022-05-16 19:38         ` Alex Williamson
2022-05-16 23:11           ` Jason Gunthorpe
2022-05-16 21:59         ` Matthew Rosato
2022-05-16 23:05           ` Jason Gunthorpe
2022-05-17  6:21     ` Christoph Hellwig
2022-05-17 12:01       ` Jason Gunthorpe
2022-05-13 19:15 ` [PATCH v7 18/22] vfio-pci/zdev: add function handle to clp base capability Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 19/22] vfio-pci/zdev: different maxstbl for interpreted devices Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 20/22] KVM: s390: add KVM_S390_ZPCI_OP to manage guest zPCI devices Matthew Rosato
2022-05-16  9:52   ` Thomas Huth
2022-05-16 15:35     ` Matthew Rosato
2022-05-16 16:37       ` Christian Borntraeger
2022-05-18  9:19       ` Thomas Huth
2022-05-13 19:15 ` [PATCH v7 21/22] KVM: s390: introduce CPU feature for zPCI Interpretation Matthew Rosato
2022-05-13 19:15 ` [PATCH v7 22/22] MAINTAINERS: additional files related kvm s390 pci passthrough Matthew Rosato

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