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Subject[git pull] habanalabs pull request for kernel 5.16
Hi Greg,

This is habanalabs pull request for the merge window of kernel 5.16.
It's a relatively small pull request as Gaudi code is mostly mature.
Please note this contains the peer-to-peer support with DMA-BUF code.

Full details are in the tag.

Thanks,
Oded

The following changes since commit 22d4f9beaf32a7cda9edeafdf5e99bec3de32c51:

Merge 5.15-rc6 into char-misc-next (2021-10-18 09:29:27 +0200)

are available in the Git repository at:

https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git tags/misc-habanalabs-next-2021-10-18

for you to fetch changes up to b2faac3887df87a6e4bc3356280ea35dc7459c0b:

habanalabs: refactor fence handling in hl_cs_poll_fences (2021-10-18 12:05:48 +0300)

----------------------------------------------------------------
This tag contains habanalabs driver changes for v5.16:

- Add a new uAPI (under the memory ioctl) to request from the driver
to export a DMA-BUF object that represents a memory region on
the device's DRAM. This is needed to enable peer-to-peer over PCIe
between habana device and an RDMA adapter (e.g. mlnx5 or efa
rdma adapter).

- Add debugfs node to dynamically configure CS timeout. Up until now,
it was only configurable through kernel module parameter.

- Fetch more comprehensive power information from the firmware.

- Always take timestamp when waiting for user interrupt, as the user
needs that information to optimize the graph runtime compilation.

- Modify user interrupt to look on 64-bit user value as fence, instead
of 32-bit.

- Bypass reset in case of repeated h/w error event after device reset.
This is to prevent endless loop of resets to the device.

- Fix several bugs in multi CS completion code.

- Fix race condition in fd close/open.

- Update to latest firmware headers

- Add select CRC32 in kconfig

- Small fixes, cosmetics

----------------------------------------------------------------
Alon Mizrahi (1):
habanalabs: generalize COMMS message sending procedure

Bharat Jauhari (1):
habanalabs: bypass reset for continuous h/w error event

Dani Liberman (3):
habanalabs: fix race condition in multi CS completion
habanalabs: fix NULL pointer dereference
habanalabs: refactor fence handling in hl_cs_poll_fences

Moti Haimovski (1):
habanalabs: initialize hpriv fields before adding new node

Oded Gabbay (7):
habanalabs: add kernel-doc style comments
habanalabs: define soft-reset as inference op
habanalabs: refactor reset log message
habanalabs: prevent race between fd close/open
habanalabs: update firmware files
habanalabs: use only u32
habanalabs: define uAPI to export FD for DMA-BUF

Ofir Bitton (3):
habanalabs: add debugfs node for configuring CS timeout
habanalabs: remove redundant cs validity checks
habanalabs: add support for a long interrupt target value

Omer Shpigelman (1):
habanalabs: context cleanup cosmetics

Rajaravi Krishna Katta (3):
habanalabs: create static map of f/w hwmon enums
habanalabs: enable power info via HWMON framework
habanalabs: Unify frequency set/get functionality

Tomer Tayar (1):
habanalabs: add support for dma-buf exporter

Vegard Nossum (1):
habanalabs: select CRC32

Yuri Nudelman (3):
habanalabs: fix debugfs device memory MMU VA translation
habanalabs: take timestamp on wait for interrupt
habanalabs: simplify wait for interrupt with timestamp flow

.../ABI/testing/debugfs-driver-habanalabs | 6 +
drivers/misc/habanalabs/Kconfig | 2 +
drivers/misc/habanalabs/common/Makefile | 2 +-
.../misc/habanalabs/common/command_submission.c | 105 +++--
drivers/misc/habanalabs/common/context.c | 8 +-
drivers/misc/habanalabs/common/debugfs.c | 51 ++
drivers/misc/habanalabs/common/device.c | 159 +++++--
drivers/misc/habanalabs/common/firmware_if.c | 28 +-
drivers/misc/habanalabs/common/habanalabs.h | 64 ++-
drivers/misc/habanalabs/common/habanalabs_drv.c | 24 +-
.../{gaudi/gaudi_hwmgr.c => common/hwmgr.c} | 38 +-
drivers/misc/habanalabs/common/hwmon.c | 194 +++++++-
drivers/misc/habanalabs/common/irq.c | 5 +-
drivers/misc/habanalabs/common/memory.c | 513 ++++++++++++++++++++-
drivers/misc/habanalabs/common/mmu/mmu.c | 30 +-
drivers/misc/habanalabs/common/sysfs.c | 6 +-
drivers/misc/habanalabs/gaudi/Makefile | 2 +-
drivers/misc/habanalabs/gaudi/gaudi.c | 22 +-
drivers/misc/habanalabs/gaudi/gaudiP.h | 4 -
drivers/misc/habanalabs/goya/goya.c | 13 +-
drivers/misc/habanalabs/goya/goyaP.h | 1 -
drivers/misc/habanalabs/goya/goya_hwmgr.c | 31 --
drivers/misc/habanalabs/include/common/cpucp_if.h | 22 +-
.../misc/habanalabs/include/common/hl_boot_if.h | 189 +++++---
.../misc/habanalabs/include/gaudi/gaudi_fw_if.h | 10 +-
.../misc/habanalabs/include/gaudi/gaudi_reg_map.h | 1 +
include/uapi/misc/habanalabs.h | 84 +++-
27 files changed, 1309 insertions(+), 305 deletions(-)
rename drivers/misc/habanalabs/{gaudi/gaudi_hwmgr.c => common/hwmgr.c} (61%)

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