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Message-Id: <20210330165922.2006-1-shiraz.saleem@intel.com>
Date: Tue, 30 Mar 2021 11:58:59 -0500
From: Shiraz Saleem <shiraz.saleem@...el.com>
To: dledford@...hat.com, jgg@...dia.com, kuba@...nel.org,
davem@...emloft.net
Cc: linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
david.m.ertman@...el.com, anthony.l.nguyen@...el.com,
Shiraz Saleem <shiraz.saleem@...el.com>
Subject: [PATCH v3 00/23] Add Intel Ethernet Protocol Driver for RDMA (irdma)
The following patch series introduces a unified Intel Ethernet Protocol Driver
for RDMA (irdma) for the X722 iWARP device and a new E810 device which supports
iWARP and RoCEv2. The irdma module replaces the legacy i40iw module for X722
and extends the ABI already defined for i40iw. It is backward compatible with
legacy X722 rdma-core provider (libi40iw).
X722 and E810 are PCI network devices that are RDMA capable. The RDMA block of
this parent device is represented via an auxiliary device exported to 'irdma'
using the core auxiliary bus infrastructure recently added for 5.11 kernel.
The parent PCI netdev drivers 'i40e' and 'ice' register auxiliary RDMA devices
with private data/ops encapsulated that bind to auxiliary drivers registered
in irdma module.
This patchset was initially submitted as an RFC where in we got feedback
to come up with a generic scheme for RDMA drivers to attach to a PCI device
owned by netdev PCI driver [1]. Solutions using platform bus and MFD were explored
but rejected by the community and the consensus was to add a new bus infrastructure
to support this usage model.
Further revisions of this series along with the auxiliary bus were submitted
[2]. At this point, Greg KH requested that we take the auxiliary bus review and
revision process to an internal mailing list and garner the buy-in of a respected
kernel contributor, along with consensus of all major stakeholders including
Nvidia (for mlx5 sub-function use-case) and Intel sound driver. This process
took a while and stalled further development/review of this netdev/irdma series.
The auxiliary bus was eventually merged in 5.11.
Between v1 to v2 of this submission, the IIDC went through a major re-write
based on the feedback and we hope it is now more in alignment with what the
community wants.
This series is built against rdma for-next and currently includes the netdev
patches for ease of review. This includes updates to 'ice' driver to provide
RDMA support and converts 'i40e' driver to use the auxiliary bus infrastructure.
Once the patches are closer to merging, a shared pull request will be submitted.
v2-->v3:
* rebase rdma for-next. Adapt to core change '1fb7f8973f51 ("RDMA: Support more than 255 rdma ports")'
* irdma Kconfig updates to conform with linux coding style.
* Fix a 0-day build issue
* Remove rdma_resource_limits selector devlink param. Follow on patch to be submitted
for it with suggestion from Parav to use devlink resource.
* Capitalize abbreviations in ice idc. e.g. 'aux' to 'AUX'
v1-->v2:
* Remove IIDC channel OPs - open, close, peer_register and peer_unregister.
And all its associated FSM in ice PCI core driver.
* Use device_lock in ice PCI core driver while issuing IIDC ops callbacks.
* Remove peer_* verbiage from shared IIDC header and rename the structs and channel ops
with iidc_core*/iidc_auxiliary*.
* Allocate ib_device at start and register it at the end of drv.probe() in irdma gen2 auxiliary driver.
* Use ibdev_* printing extensively throughout most of the driver
Remove idev_to_dev, ihw_to_dev macros as no longer required in new print scheme.
* Do not bump ABI ver. to 6 in irdma. Maintain irdma ABI ver. at 5 for legacy i40iw user-provider compatibility.
* Add a boundary check in irdma_alloc_ucontext to fail binding with < 4 user-space provider version.
* Remove devlink from irdma. Add 2 new rdma-related devlink parameters added to ice PCI core driver.
* Use FIELD_PREP/FIELD_GET/GENMASK on get/set of descriptor fields versus home grown ones LS_*/RS_*.
* Bind 2 separate auxiliary drivers in irdma - one for gen1 and one for gen2 and future devices.
* Misc. driver fixes in irdma
[1] https://patchwork.kernel.org/project/linux-rdma/patch/20190215171107.6464-2-shiraz.saleem@intel.com/
[2] https://lore.kernel.org/linux-rdma/20200520070415.3392210-1-jeffrey.t.kirsher@intel.com/
Dave Ertman (4):
iidc: Introduce iidc.h
ice: Initialize RDMA support
ice: Implement iidc operations
ice: Register auxiliary device to provide RDMA
Michael J. Ruhl (1):
RDMA/irdma: Add dynamic tracing for CM
Mustafa Ismail (13):
RDMA/irdma: Register auxiliary driver and implement private channel
OPs
RDMA/irdma: Implement device initialization definitions
RDMA/irdma: Implement HW Admin Queue OPs
RDMA/irdma: Add HMC backing store setup functions
RDMA/irdma: Add privileged UDA queue implementation
RDMA/irdma: Add QoS definitions
RDMA/irdma: Add connection manager
RDMA/irdma: Add PBLE resource manager
RDMA/irdma: Implement device supported verb APIs
RDMA/irdma: Add RoCEv2 UD OP support
RDMA/irdma: Add user/kernel shared libraries
RDMA/irdma: Add miscellaneous utility definitions
RDMA/irdma: Add ABI definitions
Shiraz Saleem (5):
ice: Add devlink params support
i40e: Prep i40e header for aux bus conversion
i40e: Register auxiliary devices to provide RDMA
RDMA/irdma: Add irdma Kconfig/Makefile and remove i40iw
RDMA/irdma: Update MAINTAINERS file
Documentation/ABI/stable/sysfs-class-infiniband | 20 -
.../networking/devlink/devlink-params.rst | 6 +
Documentation/networking/devlink/ice.rst | 13 +
MAINTAINERS | 17 +-
drivers/infiniband/Kconfig | 2 +-
drivers/infiniband/hw/Makefile | 2 +-
drivers/infiniband/hw/i40iw/Kconfig | 9 -
drivers/infiniband/hw/i40iw/Makefile | 9 -
drivers/infiniband/hw/i40iw/i40iw.h | 602 --
drivers/infiniband/hw/i40iw/i40iw_cm.c | 4419 --------------
drivers/infiniband/hw/i40iw/i40iw_cm.h | 462 --
drivers/infiniband/hw/i40iw/i40iw_ctrl.c | 5243 -----------------
drivers/infiniband/hw/i40iw/i40iw_d.h | 1746 ------
drivers/infiniband/hw/i40iw/i40iw_hmc.c | 821 ---
drivers/infiniband/hw/i40iw/i40iw_hmc.h | 241 -
drivers/infiniband/hw/i40iw/i40iw_hw.c | 851 ---
drivers/infiniband/hw/i40iw/i40iw_main.c | 2066 -------
drivers/infiniband/hw/i40iw/i40iw_osdep.h | 195 -
drivers/infiniband/hw/i40iw/i40iw_p.h | 129 -
drivers/infiniband/hw/i40iw/i40iw_pble.c | 613 --
drivers/infiniband/hw/i40iw/i40iw_pble.h | 131 -
drivers/infiniband/hw/i40iw/i40iw_puda.c | 1496 -----
drivers/infiniband/hw/i40iw/i40iw_puda.h | 188 -
drivers/infiniband/hw/i40iw/i40iw_register.h | 1030 ----
drivers/infiniband/hw/i40iw/i40iw_status.h | 101 -
drivers/infiniband/hw/i40iw/i40iw_type.h | 1358 -----
drivers/infiniband/hw/i40iw/i40iw_uk.c | 1200 ----
drivers/infiniband/hw/i40iw/i40iw_user.h | 422 --
drivers/infiniband/hw/i40iw/i40iw_utils.c | 1518 -----
drivers/infiniband/hw/i40iw/i40iw_verbs.c | 2652 ---------
drivers/infiniband/hw/i40iw/i40iw_verbs.h | 179 -
drivers/infiniband/hw/i40iw/i40iw_vf.c | 85 -
drivers/infiniband/hw/i40iw/i40iw_vf.h | 62 -
drivers/infiniband/hw/i40iw/i40iw_virtchnl.c | 759 ---
drivers/infiniband/hw/i40iw/i40iw_virtchnl.h | 124 -
drivers/infiniband/hw/irdma/Kconfig | 11 +
drivers/infiniband/hw/irdma/Makefile | 27 +
drivers/infiniband/hw/irdma/cm.c | 4425 ++++++++++++++
drivers/infiniband/hw/irdma/cm.h | 417 ++
drivers/infiniband/hw/irdma/ctrl.c | 6143 ++++++++++++++++++++
drivers/infiniband/hw/irdma/defs.h | 1162 ++++
drivers/infiniband/hw/irdma/hmc.c | 739 +++
drivers/infiniband/hw/irdma/hmc.h | 180 +
drivers/infiniband/hw/irdma/hw.c | 2755 +++++++++
drivers/infiniband/hw/irdma/i40iw_hw.c | 216 +
drivers/infiniband/hw/irdma/i40iw_hw.h | 160 +
drivers/infiniband/hw/irdma/i40iw_if.c | 229 +
drivers/infiniband/hw/irdma/icrdma_hw.c | 84 +
drivers/infiniband/hw/irdma/icrdma_hw.h | 71 +
drivers/infiniband/hw/irdma/irdma.h | 157 +
drivers/infiniband/hw/irdma/main.c | 382 ++
drivers/infiniband/hw/irdma/main.h | 565 ++
drivers/infiniband/hw/irdma/osdep.h | 86 +
drivers/infiniband/hw/irdma/pble.c | 525 ++
drivers/infiniband/hw/irdma/pble.h | 136 +
drivers/infiniband/hw/irdma/protos.h | 116 +
drivers/infiniband/hw/irdma/puda.c | 1749 ++++++
drivers/infiniband/hw/irdma/puda.h | 194 +
drivers/infiniband/hw/irdma/status.h | 71 +
drivers/infiniband/hw/irdma/trace.c | 112 +
drivers/infiniband/hw/irdma/trace.h | 3 +
drivers/infiniband/hw/irdma/trace_cm.h | 458 ++
drivers/infiniband/hw/irdma/type.h | 1717 ++++++
drivers/infiniband/hw/irdma/uda.c | 379 ++
drivers/infiniband/hw/irdma/uda.h | 63 +
drivers/infiniband/hw/irdma/uda_d.h | 128 +
drivers/infiniband/hw/irdma/uk.c | 1737 ++++++
drivers/infiniband/hw/irdma/user.h | 464 ++
drivers/infiniband/hw/irdma/utils.c | 2543 ++++++++
drivers/infiniband/hw/irdma/verbs.c | 4539 +++++++++++++++
drivers/infiniband/hw/irdma/verbs.h | 225 +
drivers/infiniband/hw/irdma/ws.c | 406 ++
drivers/infiniband/hw/irdma/ws.h | 41 +
drivers/net/ethernet/intel/Kconfig | 2 +
drivers/net/ethernet/intel/i40e/i40e.h | 2 +
drivers/net/ethernet/intel/i40e/i40e_client.c | 156 +-
drivers/net/ethernet/intel/i40e/i40e_main.c | 1 +
drivers/net/ethernet/intel/ice/Makefile | 1 +
drivers/net/ethernet/intel/ice/ice.h | 40 +
drivers/net/ethernet/intel/ice/ice_adminq_cmd.h | 33 +
drivers/net/ethernet/intel/ice/ice_common.c | 217 +-
drivers/net/ethernet/intel/ice/ice_common.h | 9 +
drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 58 +
drivers/net/ethernet/intel/ice/ice_dcb_lib.h | 3 +
drivers/net/ethernet/intel/ice/ice_devlink.c | 92 +-
drivers/net/ethernet/intel/ice/ice_devlink.h | 5 +
drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 3 +-
drivers/net/ethernet/intel/ice/ice_idc.c | 795 +++
drivers/net/ethernet/intel/ice/ice_idc_int.h | 20 +
drivers/net/ethernet/intel/ice/ice_lag.c | 2 +
drivers/net/ethernet/intel/ice/ice_lib.c | 11 +
drivers/net/ethernet/intel/ice/ice_lib.h | 2 +-
drivers/net/ethernet/intel/ice/ice_main.c | 160 +-
drivers/net/ethernet/intel/ice/ice_sched.c | 69 +-
drivers/net/ethernet/intel/ice/ice_switch.c | 27 +
drivers/net/ethernet/intel/ice/ice_switch.h | 4 +
drivers/net/ethernet/intel/ice/ice_type.h | 4 +
drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 34 +
include/linux/net/intel/i40e_client.h | 14 +
include/linux/net/intel/iidc.h | 242 +
include/net/devlink.h | 4 +
include/uapi/rdma/i40iw-abi.h | 107 -
include/uapi/rdma/ib_user_ioctl_verbs.h | 1 +
include/uapi/rdma/irdma-abi.h | 116 +
net/core/devlink.c | 5 +
105 files changed, 35525 insertions(+), 28900 deletions(-)
delete mode 100644 drivers/infiniband/hw/i40iw/Kconfig
delete mode 100644 drivers/infiniband/hw/i40iw/Makefile
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_cm.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_cm.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_ctrl.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_d.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_hmc.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_hmc.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_hw.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_main.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_osdep.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_p.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_pble.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_pble.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_puda.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_puda.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_register.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_status.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_type.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_uk.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_user.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_utils.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_verbs.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_verbs.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_vf.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_vf.h
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_virtchnl.c
delete mode 100644 drivers/infiniband/hw/i40iw/i40iw_virtchnl.h
create mode 100644 drivers/infiniband/hw/irdma/Kconfig
create mode 100644 drivers/infiniband/hw/irdma/Makefile
create mode 100644 drivers/infiniband/hw/irdma/cm.c
create mode 100644 drivers/infiniband/hw/irdma/cm.h
create mode 100644 drivers/infiniband/hw/irdma/ctrl.c
create mode 100644 drivers/infiniband/hw/irdma/defs.h
create mode 100644 drivers/infiniband/hw/irdma/hmc.c
create mode 100644 drivers/infiniband/hw/irdma/hmc.h
create mode 100644 drivers/infiniband/hw/irdma/hw.c
create mode 100644 drivers/infiniband/hw/irdma/i40iw_hw.c
create mode 100644 drivers/infiniband/hw/irdma/i40iw_hw.h
create mode 100644 drivers/infiniband/hw/irdma/i40iw_if.c
create mode 100644 drivers/infiniband/hw/irdma/icrdma_hw.c
create mode 100644 drivers/infiniband/hw/irdma/icrdma_hw.h
create mode 100644 drivers/infiniband/hw/irdma/irdma.h
create mode 100644 drivers/infiniband/hw/irdma/main.c
create mode 100644 drivers/infiniband/hw/irdma/main.h
create mode 100644 drivers/infiniband/hw/irdma/osdep.h
create mode 100644 drivers/infiniband/hw/irdma/pble.c
create mode 100644 drivers/infiniband/hw/irdma/pble.h
create mode 100644 drivers/infiniband/hw/irdma/protos.h
create mode 100644 drivers/infiniband/hw/irdma/puda.c
create mode 100644 drivers/infiniband/hw/irdma/puda.h
create mode 100644 drivers/infiniband/hw/irdma/status.h
create mode 100644 drivers/infiniband/hw/irdma/trace.c
create mode 100644 drivers/infiniband/hw/irdma/trace.h
create mode 100644 drivers/infiniband/hw/irdma/trace_cm.h
create mode 100644 drivers/infiniband/hw/irdma/type.h
create mode 100644 drivers/infiniband/hw/irdma/uda.c
create mode 100644 drivers/infiniband/hw/irdma/uda.h
create mode 100644 drivers/infiniband/hw/irdma/uda_d.h
create mode 100644 drivers/infiniband/hw/irdma/uk.c
create mode 100644 drivers/infiniband/hw/irdma/user.h
create mode 100644 drivers/infiniband/hw/irdma/utils.c
create mode 100644 drivers/infiniband/hw/irdma/verbs.c
create mode 100644 drivers/infiniband/hw/irdma/verbs.h
create mode 100644 drivers/infiniband/hw/irdma/ws.c
create mode 100644 drivers/infiniband/hw/irdma/ws.h
create mode 100644 drivers/net/ethernet/intel/ice/ice_idc.c
create mode 100644 drivers/net/ethernet/intel/ice/ice_idc_int.h
create mode 100644 include/linux/net/intel/iidc.h
delete mode 100644 include/uapi/rdma/i40iw-abi.h
create mode 100644 include/uapi/rdma/irdma-abi.h
--
1.8.3.1
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