linux/include/rdma, branch v5.2

Merge tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2019-06-08T19:52:42Z

Pull yet more SPDX updates from Greg KH: "Another round of SPDX header file fixes for 5.2-rc4 These are all more "GPL-2.0-or-later" or "GPL-2.0-only" tags being added, based on the text in the files. We are slowly chipping away at the 700+ different ways people tried to write the license text. All of these were reviewed on the spdx mailing list by a number of different people. We now have over 60% of the kernel files covered with SPDX tags: $ ./scripts/spdxcheck.py -v 2>&1 | grep Files Files checked: 64533 Files with SPDX: 40392 Files with errors: 0 I think the majority of the "easy" fixups are now done, it's now the start of the longer-tail of crazy variants to wade through" * tag 'spdx-5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (159 commits) treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 450 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 449 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 448 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 446 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 445 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 444 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 443 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 442 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 440 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 438 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 437 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 436 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 435 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 434 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 433 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 431 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 430 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 429 ...

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288

2019-06-05T15:36:37Z

Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Reviewed-by: Alexios Zavras Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman

RDMA/srp: Rename SRP sysfs name after IB device rename trigger

2019-05-21T18:06:45Z

SRP logic used device name and port index as symlink to relevant kobject. If the IB device is renamed then the prior name will be re-used by the next device plugged in and sysfs will panic as SRP will try to re-use the same name. mlx5_ib: Mellanox Connect-IB Infiniband driver v5.0-0 sysfs: cannot create duplicate filename '/class/infiniband_srp/srp-mlx5_0-1' CPU: 3 PID: 1107 Comm: modprobe Not tainted 5.1.0-for-upstream-perf-2019-05-12_15-09-52-87 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 Call Trace: dump_stack+0x5a/0x73 sysfs_warn_dup+0x58/0x70 sysfs_do_create_link_sd.isra.2+0xa3/0xb0 device_add+0x33f/0x660 srp_add_one+0x301/0x4f0 [ib_srp] add_client_context+0x99/0xe0 [ib_core] enable_device_and_get+0xd1/0x1b0 [ib_core] ib_register_device+0x533/0x710 [ib_core] ? mutex_lock+0xe/0x30 __mlx5_ib_add+0x23/0x70 [mlx5_ib] mlx5_add_device+0x4e/0xd0 [mlx5_core] mlx5_register_interface+0x85/0xc0 [mlx5_core] ? 0xffffffffa0791000 do_one_initcall+0x4b/0x1cb ? kmem_cache_alloc_trace+0xc6/0x1d0 ? do_init_module+0x22/0x21f do_init_module+0x5a/0x21f load_module+0x17f2/0x1ca0 ? m_show+0x1c0/0x1c0 __do_sys_finit_module+0x94/0xe0 do_syscall_64+0x48/0x120 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f157cce10d9 The module load/unload sequence was used to trigger such kernel panic: sudo modprobe ib_srp sudo modprobe -r mlx5_ib sudo modprobe -r mlx5_core sudo modprobe mlx5_core Have SRP track the name of the core device so that it can't have a name collision. Fixes: d21943dd19b5 ("RDMA/core: Implement IB device rename function") Signed-off-by: Leon Romanovsky Reviewed-by: Bart Van Assche Signed-off-by: Jason Gunthorpe

RDMA: Add EFA related definitions

2019-05-06T16:47:50Z

Add EFA driver ID to the IOCTL interface uapi. This patch also adds unspecified node/transport type that will be used by EFA (usnic is left unchanged as it's already part of our ABI). Signed-off-by: Gal Pressman Reviewed-by: Shiraz Saleem Reviewed-by: Steve Wise Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe

RDMA/umem: Remove hugetlb flag

2019-05-06T16:08:11Z

The drivers i40iw and bnxt_re no longer dependent on the hugetlb flag. So remove this flag from ib_umem structure. Reviewed-by: Michael J. Ruhl Signed-off-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe

RDMA/verbs: Add a DMA iterator to return aligned contiguous memory blocks

2019-05-06T16:08:11Z

This helper iterates over a DMA-mapped SGL and returns contiguous memory blocks aligned to a HW supported page size. Suggested-by: Jason Gunthorpe Signed-off-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe

RDMA/umem: Add API to find best driver supported page size in an MR

2019-05-06T16:08:11Z

This helper iterates through the SG list to find the best page size to use from a bitmap of HW supported page sizes. Drivers that support multiple page sizes, but not mixed sizes in an MR can use this API. Suggested-by: Jason Gunthorpe Signed-off-by: Shiraz Saleem Signed-off-by: Jason Gunthorpe

RDMA/core: Allow detaching gid attribute netdevice for RoCE

2019-05-03T14:10:03Z

When there is active traffic through a GID, a QP/AH holds reference to this GID entry. RoCE GID entry holds reference to its attached netdevice. Due to this when netdevice is deleted by admin user, its refcount is not dropped. Therefore, while deleting RoCE GID, wait for all GID attribute's netdev users to finish accessing netdev in rcu context. Once all users done accessing it, release the netdev refcount. Signed-off-by: Huy Nguyen Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe

RDMA/cma: Use rdma_read_gid_attr_ndev_rcu to access netdev

2019-05-03T14:10:03Z

To access the netdevice of the GID attribute, use an existing API rdma_read_gid_attr_ndev_rcu(). This further reduces dependency on open access to netdevice of GID attribute. Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe

RDMA: Introduce and use GID attr helper to read RoCE L2 fields

2019-05-03T14:10:02Z

Instead of RoCE drivers figuring out vlan, smac fields while working on QP/AH, provide a helper routine to read the L2 fields such as vlan_id and source mac address. This moves logic from mlx5 driver to core for wider usage for RoCE ports. This is a preparation patch to allow detaching netdev in subsequent patch. Signed-off-by: Parav Pandit Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe