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From: Matthew Rosato <mjrosato@linux.ibm.com>
To: qemu-s390x@nongnu.org
Cc: alex.williamson@redhat.com, schnelle@linux.ibm.com,
	cohuck@redhat.com, thuth@redhat.com, farman@linux.ibm.com,
	pmorel@linux.ibm.com, richard.henderson@linaro.org,
	david@redhat.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com,
	mst@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org,
	kvm@vger.kernel.org
Subject: [PATCH v2 5/9] s390x/pci: don't fence interpreted devices without MSI-X
Date: Fri, 14 Jan 2022 15:38:45 -0500	[thread overview]
Message-ID: <20220114203849.243657-6-mjrosato@linux.ibm.com> (raw)
In-Reply-To: <20220114203849.243657-1-mjrosato@linux.ibm.com>

Lack of MSI-X support is not an issue for interpreted passthrough
devices, so let's let these in.  This will allow, for example, ISM
devices to be passed through -- but only when interpretation is
available and being used.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 hw/s390x/s390-pci-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index a39ccfee05..66649af6e0 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -1097,7 +1097,7 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
             pbdev->interp = false;
         }
 
-        if (s390_pci_msix_init(pbdev)) {
+        if (s390_pci_msix_init(pbdev) && !pbdev->interp) {
             error_setg(errp, "MSI-X support is mandatory "
                        "in the S390 architecture");
             return;
-- 
2.27.0


WARNING: multiple messages have this Message-ID (diff)
From: Matthew Rosato <mjrosato@linux.ibm.com>
To: qemu-s390x@nongnu.org
Cc: farman@linux.ibm.com, kvm@vger.kernel.org, pmorel@linux.ibm.com,
	schnelle@linux.ibm.com, cohuck@redhat.com,
	richard.henderson@linaro.org, thuth@redhat.com,
	qemu-devel@nongnu.org, pasic@linux.ibm.com,
	alex.williamson@redhat.com, mst@redhat.com, pbonzini@redhat.com,
	david@redhat.com, borntraeger@linux.ibm.com
Subject: [PATCH v2 5/9] s390x/pci: don't fence interpreted devices without MSI-X
Date: Fri, 14 Jan 2022 15:38:45 -0500	[thread overview]
Message-ID: <20220114203849.243657-6-mjrosato@linux.ibm.com> (raw)
In-Reply-To: <20220114203849.243657-1-mjrosato@linux.ibm.com>

Lack of MSI-X support is not an issue for interpreted passthrough
devices, so let's let these in.  This will allow, for example, ISM
devices to be passed through -- but only when interpretation is
available and being used.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
 hw/s390x/s390-pci-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index a39ccfee05..66649af6e0 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -1097,7 +1097,7 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
             pbdev->interp = false;
         }
 
-        if (s390_pci_msix_init(pbdev)) {
+        if (s390_pci_msix_init(pbdev) && !pbdev->interp) {
             error_setg(errp, "MSI-X support is mandatory "
                        "in the S390 architecture");
             return;
-- 
2.27.0



  parent reply	other threads:[~2022-01-14 20:39 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-14 20:38 [PATCH v2 0/9] s390x/pci: zPCI interpretation support Matthew Rosato
2022-01-14 20:38 ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 1/9] Update linux headers Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 2/9] target/s390x: add zpci-interp to cpu models Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 3/9] fixup: force interp off for QEMU machine 6.2 and older Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-14 21:04   ` Matthew Rosato
2022-01-14 21:04     ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 4/9] s390x/pci: enable for load/store intepretation Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-17 14:51   ` Thomas Huth
2022-01-17 14:51     ` Thomas Huth
2022-01-18 18:08     ` Matthew Rosato
2022-01-18 18:08       ` Matthew Rosato
2022-01-17 15:38   ` Thomas Huth
2022-01-17 15:38     ` Thomas Huth
2022-01-18 18:14     ` Matthew Rosato
2022-01-18 18:14       ` Matthew Rosato
2022-01-31  9:37   ` Pierre Morel
2022-01-31  9:37     ` Pierre Morel
2022-01-31 14:46   ` Pierre Morel
2022-01-31 17:11     ` Matthew Rosato
2022-01-14 20:38 ` Matthew Rosato [this message]
2022-01-14 20:38   ` [PATCH v2 5/9] s390x/pci: don't fence interpreted devices without MSI-X Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 6/9] s390x/pci: enable adapter event notification for interpreted devices Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-31 15:10   ` Pierre Morel
2022-01-31 15:10     ` Pierre Morel
2022-01-31 17:08     ` Matthew Rosato
2022-01-31 17:08       ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 7/9] s390x/pci: use I/O Address Translation assist when interpreting Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 8/9] s390x/pci: use dtsm provided from vfio capabilities for interpreted devices Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-14 20:38 ` [PATCH v2 9/9] s390x/pci: let intercept devices have separate PCI groups Matthew Rosato
2022-01-14 20:38   ` Matthew Rosato
2022-01-17 15:23 ` [PATCH v2 0/9] s390x/pci: zPCI interpretation support Thomas Huth
2022-01-17 15:23   ` Thomas Huth
2022-01-18 18:32   ` Matthew Rosato
2022-01-18 18:32     ` Matthew Rosato
2022-02-04 12:39 ` Michael S. Tsirkin
2022-02-04 12:39   ` Michael S. Tsirkin

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