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IB/rdmavt: Add create queue pair functionality

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Add create queue pair verbs call as well as supporting functions.

Reviewed-by: Ira Weiny <[email protected]>
Reviewed-by: Harish Chegondi <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Dennis Dalessandro 2016-01-22 12:50:17 -08:00 • committed by Doug Ledford
commit 515667f8f8
3 changed files with 413 additions and 23 deletions
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10
include/rdma/rdma_vt.h
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@ -222,7 +222,10 @@ struct rvt_driver_provided {
int (*port_callback)(struct ib_device *, u8, struct kobject *);
const char * (*get_card_name)(struct rvt_dev_info *rdi);
struct pci_dev * (*get_pci_dev)(struct rvt_dev_info *rdi);
void (*free_all_qps)(struct rvt_dev_info *rdi);
unsigned (*free_all_qps)(struct rvt_dev_info *rdi);
void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp);
void (*qp_priv_free)(struct rvt_dev_info *rdi, struct rvt_qp *qp);
void (*notify_qp_reset)(struct rvt_qp *qp);
/*--------------------*/
/* Optional functions */
@ -230,6 +233,8 @@ struct rvt_driver_provided {
int (*check_ah)(struct ib_device *, struct ib_ah_attr *);
void (*notify_new_ah)(struct ib_device *, struct ib_ah_attr *,
struct rvt_ah *);
int (*alloc_qpn)(struct rvt_dev_info *rdi, struct rvt_qpn_table *qpt,
enum ib_qp_type type, u8 port);
};
struct rvt_dev_info {
@ -262,7 +267,10 @@ struct rvt_dev_info {
int flags;
struct rvt_ibport **ports;
/* QP */
struct rvt_qp_ibdev *qp_dev;
u32 n_qps_allocated; /* number of QPs allocated for device */
spinlock_t n_qps_lock; /* keep track of number of qps */
/* memory maps */
struct list_head pending_mmaps;