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authorLinus Torvalds <torvalds@linux-foundation.org>2020-10-22 13:00:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-10-22 13:00:44 -0700
commitfc996db970a33c74d3db3ee63532b15187258027 (patch)
tree378b28e887bb9f71ae2fffc4b82115ead8da021f /arch/s390/pci
parent60573c2966a1b560fabdffe308d47b6ba5585b15 (diff)
parent2e6cfd496f5b57034cf2aec738799571b5a52124 (diff)
downloadlinux-fc996db970a33c74d3db3ee63532b15187258027.tar.bz2
Merge tag 'vfio-v5.10-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - New fsl-mc vfio bus driver supporting userspace drivers of objects within NXP's DPAA2 architecture (Diana Craciun) - Support for exposing zPCI information on s390 (Matthew Rosato) - Fixes for "detached" VFs on s390 (Matthew Rosato) - Fixes for pin-pages and dma-rw accesses (Yan Zhao) - Cleanups and optimize vconfig regen (Zenghui Yu) - Fix duplicate irq-bypass token registration (Alex Williamson) * tag 'vfio-v5.10-rc1' of git://github.com/awilliam/linux-vfio: (30 commits) vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pages vfio/pci: Clear token on bypass registration failure vfio/fsl-mc: fix the return of the uninitialized variable ret vfio/fsl-mc: Fix the dead code in vfio_fsl_mc_set_irq_trigger vfio/fsl-mc: Fixed vfio-fsl-mc driver compilation on 32 bit MAINTAINERS: Add entry for s390 vfio-pci vfio-pci/zdev: Add zPCI capabilities to VFIO_DEVICE_GET_INFO vfio/fsl-mc: Add support for device reset vfio/fsl-mc: Add read/write support for fsl-mc devices vfio/fsl-mc: trigger an interrupt via eventfd vfio/fsl-mc: Add irq infrastructure for fsl-mc devices vfio/fsl-mc: Added lock support in preparation for interrupt handling vfio/fsl-mc: Allow userspace to MMAP fsl-mc device MMIO regions vfio/fsl-mc: Implement VFIO_DEVICE_GET_REGION_INFO ioctl call vfio/fsl-mc: Implement VFIO_DEVICE_GET_INFO ioctl vfio/fsl-mc: Scan DPRC objects on vfio-fsl-mc driver bind vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO s390/pci: track whether util_str is valid in the zpci_dev s390/pci: stash version in the zpci_dev vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices ...
Diffstat (limited to 'arch/s390/pci')
-rw-r--r--arch/s390/pci/pci_bus.c5
-rw-r--r--arch/s390/pci/pci_clp.c2
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/pci/pci_bus.c b/arch/s390/pci/pci_bus.c
index 0c0db7c3a404..755b46f4c595 100644
--- a/arch/s390/pci/pci_bus.c
+++ b/arch/s390/pci/pci_bus.c
@@ -135,9 +135,10 @@ void pcibios_bus_add_device(struct pci_dev *pdev)
* With pdev->no_vf_scan the common PCI probing code does not
* perform PF/VF linking.
*/
- if (zdev->vfn)
+ if (zdev->vfn) {
zpci_iov_setup_virtfn(zdev->zbus, pdev, zdev->vfn);
-
+ pdev->no_command_memory = 1;
+ }
}
static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev)
diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c
index 5a34a1359dc5..153720d21ae7 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:
@@ -167,6 +168,7 @@ static int clp_store_query_pci_fn(struct zpci_dev *zdev,
if (response->util_str_avail) {
memcpy(zdev->util_str, response->util_str,
sizeof(zdev->util_str));
+ zdev->util_str_avail = 1;
}
zdev->mio_capable = response->mio_addr_avail;
for (i = 0; i < PCI_STD_NUM_BARS; i++) {