From: Matthew Rosato <mjrosato@linux.ibm.com>
To: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com
Cc: pmorel@linux.ibm.com, borntraeger@de.ibm.com, hca@linux.ibm.com,
gor@linux.ibm.com, gerald.schaefer@linux.ibm.com,
linux-s390@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/4] s390/pci: stash version in the zpci_dev
Date: Sat, 19 Sep 2020 11:28:35 -0400 [thread overview]
Message-ID: <1600529318-8996-2-git-send-email-mjrosato@linux.ibm.com> (raw)
In-Reply-To: <1600529318-8996-1-git-send-email-mjrosato@linux.ibm.com>
In preparation for passing the info on to vfio-pci devices, stash the
supported PCI version for the target device in the zpci_dev.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
arch/s390/include/asm/pci.h | 1 +
arch/s390/pci/pci_clp.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 99b92c3..882e233 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -179,6 +179,7 @@ struct zpci_dev {
atomic64_t mapped_pages;
atomic64_t unmapped_pages;
+ u8 version;
enum pci_bus_speed max_bus_speed;
struct dentry *debugfs_dev;
diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c
index 7e735f4..48bf316 100644
--- a/arch/s390/pci/pci_clp.c
+++ b/arch/s390/pci/pci_clp.c
@@ -102,6 +102,7 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev,
zdev->msi_addr = response->msia;
zdev->max_msi = response->noi;
zdev->fmb_update = response->mui;
+ zdev->version = response->version;
switch (response->version) {
case 1:
--
1.8.3.1
next prev parent reply other threads:[~2020-09-19 15:28 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-19 15:28 [PATCH 0/4] Pass zPCI hardware information via VFIO Matthew Rosato
2020-09-19 15:28 ` Matthew Rosato [this message]
2020-09-21 9:35 ` [PATCH 1/4] s390/pci: stash version in the zpci_dev Niklas Schnelle
2020-09-21 9:38 ` Christian Borntraeger
2020-09-21 15:01 ` Cornelia Huck
2020-09-21 15:44 ` Matthew Rosato
2020-09-21 15:49 ` Cornelia Huck
2020-09-19 15:28 ` [PATCH 2/4] s390/pci: track whether util_str is valid " Matthew Rosato
2020-09-21 9:38 ` Christian Borntraeger
2020-09-21 9:41 ` Niklas Schnelle
2020-09-22 14:06 ` Matthew Rosato
2020-09-19 15:28 ` [PATCH 3/4] vfio-pci/zdev: define the vfio_zdev header Matthew Rosato
2020-09-22 10:54 ` Cornelia Huck
2020-09-22 13:55 ` Matthew Rosato
2020-09-19 15:28 ` [PATCH 4/4] vfio-pci/zdev: use a device region to retrieve zPCI information Matthew Rosato
2020-09-22 11:22 ` Cornelia Huck
2020-09-22 14:02 ` Matthew Rosato
2020-09-19 15:50 ` [PATCH 0/4] Pass zPCI hardware information via VFIO Matthew Rosato
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