linux/drivers/infiniband/sw/rdmavt/pd.h

/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
/*
 * Copyright(c) 2016 Intel Corporation.
 */

#ifndef DEF_RDMAVTPD_H
#define DEF_RDMAVTPD_H

#include <rdma/rdma_vt.h>

int rvt_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
int rvt_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);

#endif          /* DEF_RDMAVTPD_H */
IB/rdmavt: Convert to SPDX identifier use SPDX-License-Identifier instead of a verbose license text Link: https://lore.kernel.org/r/20210823023530.48-1-caihuoqing@baidu.com Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 2021-08-23 02:35:30 +00:00			`/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */`
IB/rdmavt: Add protection domain to rdmavt. Add datastructure for and allocation/deallocation of protection domains for RDMAVT. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 2016-01-06 17:51:48 +00:00			`/*`
IB/rdmavt: Fix copyright date Update all files added by rdmavt which do not yet have 2016 as the copyright year. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 2016-01-22 21:04:58 +00:00			`* Copyright(c) 2016 Intel Corporation.`
IB/rdmavt: Add protection domain to rdmavt. Add datastructure for and allocation/deallocation of protection domains for RDMAVT. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 2016-01-06 17:51:48 +00:00			`*/`

IB/rdmavt: Convert to SPDX identifier use SPDX-License-Identifier instead of a verbose license text Link: https://lore.kernel.org/r/20210823023530.48-1-caihuoqing@baidu.com Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 2021-08-23 02:35:30 +00:00			`#ifndef DEF_RDMAVTPD_H`
			`#define DEF_RDMAVTPD_H`

IB/rdmavt: Add protection domain to rdmavt. Add datastructure for and allocation/deallocation of protection domains for RDMAVT. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 2016-01-06 17:51:48 +00:00			`#include <rdma/rdma_vt.h>`

IB: Pass only ib_udata in function prototypes Now when ib_udata is passed to all the driver's object create/destroy APIs the ib_udata will carry the ib_ucontext for every user command. There is no need to also pass the ib_ucontext via the functions prototypes. Make ib_udata the only argument psssed. Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> 2019-03-31 16:10:07 +00:00			`int rvt_alloc_pd(struct ib_pd pd, struct ib_udata udata);`
RDMA: Restore ability to fail on PD deallocate The IB verbs objects are counted by the kernel and ib_core ensures that deallocate PD will success so it will be called once all other objects that depends on PD will be released. This is achieved by managing various reference counters on such objects. The mlx5 driver didn't follow this standard flow when allowed DEVX objects that are not managed by ib_core to be interleaved with the ones under ib_core responsibility. In such interleaved scenarios deallocate command can fail and ib_core will leave uobject in internal DB and attempt to clean it later to free resources anyway. This change partially restores returned value from dealloc_pd() for all drivers, but keeping in mind that non-DEVX devices and kernel verbs paths shouldn't fail. Fixes: 21a428a019c9 ("RDMA: Handle PD allocations by IB/core") Link: https://lore.kernel.org/r/20200907120921.476363-2-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 2020-09-07 12:09:13 +00:00			`int rvt_dealloc_pd(struct ib_pd ibpd, struct ib_udata udata);`
IB/rdmavt: Add protection domain to rdmavt. Add datastructure for and allocation/deallocation of protection domains for RDMAVT. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com> 2016-01-06 17:51:48 +00:00
			`#endif /* DEF_RDMAVTPD_H */`