[GIT PULL] VFIO updates for v5.10-rc1

From: Alex Williamson
Date: Thu Oct 22 2020 - 13:52:06 EST

Hi Linus,

The following changes since commit ba4f184e126b751d1bffad5897f263108befc780:

Linux 5.9-rc6 (2020-09-20 16:33:55 -0700)

are available in the Git repository at:

git://github.com/awilliam/linux-vfio.git tags/vfio-v5.10-rc1

for you to fetch changes up to 2e6cfd496f5b57034cf2aec738799571b5a52124:

vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pages (2020-10-20 10:12:17 -0600)


Please note, this tag has a minor merge conflict with the s390
tree as Vasily noted in his pull request[1] and originally found
by Stephen[2] in linux-next. The resolution is:

diff --cc arch/s390/pci/pci_bus.c
index 0c0db7c3a404,c93486a9989b..755b46f4c595
--- a/arch/s390/pci/pci_bus.c
+++ b/arch/s390/pci/pci_bus.c
@@@ -135,9 -197,10 +135,10 @@@ void pcibios_bus_add_device(struct pci_
* With pdev->no_vf_scan the common PCI probing code does not
* perform PF/VF linking.
*/
- if (zdev->vfn)
+ if (zdev->vfn) {
- zpci_bus_setup_virtfn(zdev->zbus, pdev, 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)

[1]https://lore.kernel.org/lkml/your-ad-here.call-01602846038-ext-6012@work.hours/
[2]https://lore.kernel.org/lkml/20200924142651.28382ed7@xxxxxxxxxxxxxxxx/

----------------------------------------------------------------
VFIO updates for v5.10-rc1

- 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)

----------------------------------------------------------------
Alex Williamson (3):
Merge branches 'v5.10/vfio/bardirty', 'v5.10/vfio/dma_avail', 'v5.10/vfio/misc', 'v5.10/vfio/no-cmd-mem' and 'v5.10/vfio/yan_zhao_fixes' into v5.10/vfio/next
Merge branches 'v5.10/vfio/fsl-mc-v6' and 'v5.10/vfio/zpci-info-v3' into v5.10/vfio/next
vfio/pci: Clear token on bypass registration failure

Bharat Bhushan (1):
vfio/fsl-mc: Add VFIO framework skeleton for fsl-mc devices

Diana Craciun (12):
vfio/fsl-mc: Scan DPRC objects on vfio-fsl-mc driver bind
vfio/fsl-mc: Implement VFIO_DEVICE_GET_INFO ioctl
vfio/fsl-mc: Implement VFIO_DEVICE_GET_REGION_INFO ioctl call
vfio/fsl-mc: Allow userspace to MMAP fsl-mc device MMIO regions
vfio/fsl-mc: Added lock support in preparation for interrupt handling
vfio/fsl-mc: Add irq infrastructure for fsl-mc devices
vfio/fsl-mc: trigger an interrupt via eventfd
vfio/fsl-mc: Add read/write support for fsl-mc devices
vfio/fsl-mc: Add support for device reset
vfio/fsl-mc: Fixed vfio-fsl-mc driver compilation on 32 bit
vfio/fsl-mc: Fix the dead code in vfio_fsl_mc_set_irq_trigger
vfio/fsl-mc: fix the return of the uninitialized variable ret

Matthew Rosato (9):
PCI/IOV: Mark VFs as not implementing PCI_COMMAND_MEMORY
vfio iommu: Add dma available capability
s390/pci: Mark all VFs as not implementing PCI_COMMAND_MEMORY
vfio/pci: Decouple PCI_COMMAND_MEMORY bit checks from is_virtfn
s390/pci: stash version in the zpci_dev
s390/pci: track whether util_str is valid in the zpci_dev
vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO
vfio-pci/zdev: Add zPCI capabilities to VFIO_DEVICE_GET_INFO
MAINTAINERS: Add entry for s390 vfio-pci

Xiaoyang Xu (1):
vfio iommu type1: Fix memory leak in vfio_iommu_type1_pin_pages

Yan Zhao (3):
vfio: add a singleton check for vfio_group_pin_pages
vfio: fix a missed vfio group put in vfio_pin_pages
vfio/type1: fix dirty bitmap calculation in vfio_dma_rw

Zenghui Yu (3):
vfio: Fix typo of the device_state
vfio/pci: Remove redundant declaration of vfio_pci_driver
vfio/pci: Don't regenerate vconfig for all BARs if !bardirty

MAINTAINERS | 14 +
arch/s390/include/asm/pci.h | 4 +-
arch/s390/pci/pci_bus.c | 5 +-
arch/s390/pci/pci_clp.c | 2 +
drivers/pci/iov.c | 1 +
drivers/vfio/Kconfig | 1 +
drivers/vfio/Makefile | 1 +
drivers/vfio/fsl-mc/Kconfig | 9 +
drivers/vfio/fsl-mc/Makefile | 4 +
drivers/vfio/fsl-mc/vfio_fsl_mc.c | 683 ++++++++++++++++++++++++++++++
drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 194 +++++++++
drivers/vfio/fsl-mc/vfio_fsl_mc_private.h | 55 +++
drivers/vfio/pci/Kconfig | 12 +
drivers/vfio/pci/Makefile | 1 +
drivers/vfio/pci/vfio_pci.c | 38 +-
drivers/vfio/pci/vfio_pci_config.c | 27 +-
drivers/vfio/pci/vfio_pci_intrs.c | 4 +-
drivers/vfio/pci/vfio_pci_private.h | 12 +
drivers/vfio/pci/vfio_pci_zdev.c | 143 +++++++
drivers/vfio/vfio.c | 9 +-
drivers/vfio/vfio_iommu_type1.c | 23 +-
include/linux/pci.h | 1 +
include/uapi/linux/vfio.h | 29 +-
include/uapi/linux/vfio_zdev.h | 78 ++++
24 files changed, 1330 insertions(+), 20 deletions(-)
create mode 100644 drivers/vfio/fsl-mc/Kconfig
create mode 100644 drivers/vfio/fsl-mc/Makefile
create mode 100644 drivers/vfio/fsl-mc/vfio_fsl_mc.c
create mode 100644 drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c
create mode 100644 drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
create mode 100644 drivers/vfio/pci/vfio_pci_zdev.c
create mode 100644 include/uapi/linux/vfio_zdev.h