xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

IB/rdmavt: Add protection domain to rdmavt.

Browse Source 
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>
This commit is contained in:
Dennis Dalessandro
2016-01-06 09:51:48 -08:00
committed by Doug Ledford
parent c1b332bc16
commit 8afd32eb58
6 changed files with 206 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
include/rdma/rdma_vt.h
View File

@@ -54,16 +54,42 @@
*/
#include "ib_verbs.h"
/*
* Things that are driver specific, module parameters in hfi1 and qib
*/
struct rvt_driver_params {
int max_pds;
};
/* Protection domain */
struct rvt_pd {
struct ib_pd ibpd;
int user; /* non-zero if created from user space */
};
struct rvt_dev_info {
struct ib_device ibdev;
/* Driver specific */
struct rvt_driver_params dparms;
int (*port_callback)(struct ib_device *, u8, struct kobject *);
/*
* TODO:
* need to reflect module parameters that may vary by dev
*/
/* Internal use */
int n_pds_allocated;
spinlock_t n_pds_lock; /* Protect pd allocated count */
};
static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd)
{
return container_of(ibpd, struct rvt_pd, ibpd);
}
static inline struct rvt_dev_info *ib_to_rvt(struct ib_device *ibdev)
{
return container_of(ibdev, struct rvt_dev_info, ibdev);
}
int rvt_register_device(struct rvt_dev_info *rvd);
void rvt_unregister_device(struct rvt_dev_info *rvd);