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From c251a7a16e776072b9c7bbc4e61cfa4f52599b0a Mon Sep 17 00:00:00 2001
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From: Matthew Rosato <mjrosato@linux.ibm.com>
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Date: Fri, 3 Dec 2021 09:27:05 -0500
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Subject: [PATCH 03/42] s390x/pci: use the passthrough measurement update
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interval
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Cédric Le Goater <clg@redhat.com>
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RH-MergeRequest: 226: s390: Enhanced Interpretation for PCI Functions and Secure Execution guest dump
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RH-Bugzilla: 1664378 2043909
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Jon Maloy <jmaloy@redhat.com>
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RH-Commit: [3/41] bc31ea731fe64e51522f1202e65528311397b919
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We may have gotten a measurement update interval from the underlying host
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via vfio -- Use it to set the interval via which we update the function
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measurement block.
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Fixes: 28dc86a072 ("s390x/pci: use a PCI Group structure")
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Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
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Reviewed-by: Eric Farman <farman@linux.ibm.com>
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Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
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Message-Id: <20211203142706.427279-4-mjrosato@linux.ibm.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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(cherry picked from commit cb6d6a3e6aa1226b67fd218953dcb3866c3a6845)
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Signed-off-by: Cédric Le Goater <clg@redhat.com>
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---
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hw/s390x/s390-pci-inst.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
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index 11b7f6bfa1..07bab85ce5 100644
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--- a/hw/s390x/s390-pci-inst.c
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+++ b/hw/s390x/s390-pci-inst.c
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@@ -1046,7 +1046,7 @@ static void fmb_update(void *opaque)
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sizeof(pbdev->fmb.last_update))) {
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return;
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}
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- timer_mod(pbdev->fmb_timer, t + DEFAULT_MUI);
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+ timer_mod(pbdev->fmb_timer, t + pbdev->pci_group->zpci_group.mui);
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}
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int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar,
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@@ -1204,7 +1204,8 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar,
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}
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pbdev->fmb_addr = fmb_addr;
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timer_mod(pbdev->fmb_timer,
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- qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + DEFAULT_MUI);
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+ qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
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+ pbdev->pci_group->zpci_group.mui);
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break;
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}
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default:
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--
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2.37.3
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