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2021-09-24RDMA/usnic: Lock VF with mutex instead of spinlockLeon Romanovsky1-1/+1
Usnic VF doesn't need lock in atomic context to create QPs, so it is safe to use mutex instead of spinlock. Such change fixes the following smatch error. Smatch static checker warning: lib/kobject.c:289 kobject_set_name_vargs() warn: sleeping in atomic context Fixes: 514aee660df4 ("RDMA: Globally allocate and release QP memory") Link: https://lore.kernel.org/r/2a0e295786c127e518ebee8bb7cafcb819a625f6.1631520231.git.leonro@nvidia.com Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: HÃ¥kon Bugge <haakon.bugge@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2019-06-11RDMA: Convert CQ allocations to be under core responsibilityLeon Romanovsky1-0/+4
Ensure that CQ is allocated and freed by IB/core and not by drivers. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Acked-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Tested-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2015-10-06usnic: add missing clauses to BSD licenseJeff Squyres1-3/+18
The usnic_verbs kernel module was clearly marked with the following in its code: MODULE_LICENSE("Dual BSD/GPL"); However, we accidentally left a few clauses of the BSD text out of the license header in all the source files. This commit fixes that: all the files are properly dual BSD/GPL-licensed. Contributors that might have been confused by this have been contacted to get their permission and are Cc:ed here. Cc: Benoit Taine <benoit.taine@lip6.fr> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Masanari Iida <standby24x7@gmail.com> Cc: Matan Barak <matanb@mellanox.com> Cc: Michael Wang <yun.wang@profitbricks.com> Cc: Roland Dreier <roland@purestorage.com> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Jeff Squyres <jsquyres@cisco.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2014-01-22IB/usnic: Remove unused includes of <linux/version.h>Wei Yongjun1-1/+0
Remove including <linux/version.h> that don't need it. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-14IB/usnic: Expose flows via debugfsUpinder Malhi1-0/+7
Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-14IB/usnic: Port over main.c and verbs.c to the usnic_fwd.hUpinder Malhi1-3/+0
This patch ports usnic_ib_main.c, usnic_ib_verbs.c and usnic_ib.h to the new interface of usnic_fwd.h. Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-01-14IB/usnic: Add Cisco VIC low-level hardware driverUpinder Malhi1-0/+115
This adds a driver that allows userspace to use UD-like QPs over a proprietary Cisco transport with Cisco's Virtual Interface Cards (VICs), including VIC 1240 and 1280 cards. Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Christian Benvenuti <benve@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>