diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_classes.h')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 93 |
1 files changed, 79 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index b5e96030531..bd45e0f3923 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -53,6 +53,7 @@ struct ehca_pd; struct ehca_av; #include <linux/wait.h> +#include <linux/mutex.h> #include <rdma/ib_verbs.h> #include <rdma/ib_user_verbs.h> @@ -65,6 +66,7 @@ struct ehca_av; #include "ehca_irq.h" #define EHCA_EQE_CACHE_SIZE 20 +#define EHCA_MAX_NUM_QUEUES 0xffff struct ehca_eqe_cache_entry { struct ehca_eqe *eqe; @@ -93,20 +95,24 @@ struct ehca_sma_attr { struct ehca_sport { struct ib_cq *ibcq_aqp1; - struct ib_qp *ibqp_aqp1; - enum ib_rate rate; + struct ib_qp *ibqp_sqp[2]; + /* lock to serialze modify_qp() calls for sqp in normal + * and irq path (when event PORT_ACTIVE is received first time) + */ + spinlock_t mod_sqp_lock; enum ib_port_state port_state; struct ehca_sma_attr saved_attr; + u32 pma_qp_nr; }; -#define HCA_CAP_MR_PGSIZE_4K 1 -#define HCA_CAP_MR_PGSIZE_64K 2 -#define HCA_CAP_MR_PGSIZE_1M 4 -#define HCA_CAP_MR_PGSIZE_16M 8 +#define HCA_CAP_MR_PGSIZE_4K 0x80000000 +#define HCA_CAP_MR_PGSIZE_64K 0x40000000 +#define HCA_CAP_MR_PGSIZE_1M 0x20000000 +#define HCA_CAP_MR_PGSIZE_16M 0x10000000 struct ehca_shca { struct ib_device ib_device; - struct ibmebus_dev *ibmebus_dev; + struct platform_device *ofdev; u8 num_ports; int hw_level; struct list_head shca_list; @@ -122,12 +128,15 @@ struct ehca_shca { /* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */ u32 hca_cap_mr_pgsize; int max_mtu; + int max_num_qps; + int max_num_cqs; + atomic_t num_cqs; + atomic_t num_qps; }; struct ehca_pd { struct ib_pd ib_pd; struct ipz_pd fw_pd; - u32 ownpid; /* small queue mgmt */ struct mutex lock; struct list_head free[2]; @@ -141,6 +150,38 @@ enum ehca_ext_qp_type { EQPT_SRQ = 3, }; +/* struct to cache modify_qp()'s parms for GSI/SMI qp */ +struct ehca_mod_qp_parm { + int mask; + struct ib_qp_attr attr; +}; + +#define EHCA_MOD_QP_PARM_MAX 4 + +#define QMAP_IDX_MASK 0xFFFFULL + +/* struct for tracking if cqes have been reported to the application */ +struct ehca_qmap_entry { + u16 app_wr_id; + u8 reported; + u8 cqe_req; +}; + +struct ehca_queue_map { + struct ehca_qmap_entry *map; + unsigned int entries; + unsigned int tail; + unsigned int left_to_poll; + unsigned int next_wqe_idx; /* Idx to first wqe to be flushed */ +}; + +/* function to calculate the next index for the qmap */ +static inline unsigned int next_index(unsigned int cur_index, unsigned int limit) +{ + unsigned int temp = cur_index + 1; + return (temp == limit) ? 0 : temp; +} + struct ehca_qp { union { struct ib_qp ib_qp; @@ -148,8 +189,11 @@ struct ehca_qp { }; u32 qp_type; enum ehca_ext_qp_type ext_type; + enum ib_qp_state state; struct ipz_queue ipz_squeue; + struct ehca_queue_map sq_map; struct ipz_queue ipz_rqueue; + struct ehca_queue_map rq_map; struct h_galpas galpas; u32 qkey; u32 real_qp_num; @@ -164,10 +208,23 @@ struct ehca_qp { struct ehca_cq *recv_cq; unsigned int sqerr_purgeflag; struct hlist_node list_entries; + /* array to cache modify_qp()'s parms for GSI/SMI qp */ + struct ehca_mod_qp_parm *mod_qp_parm; + int mod_qp_parm_idx; /* mmap counter for resources mapped into user space */ u32 mm_count_squeue; u32 mm_count_rqueue; u32 mm_count_galpa; + /* unsolicited ack circumvention */ + int unsol_ack_circ; + int mtu_shift; + u32 message_count; + u32 packet_count; + atomic_t nr_events; /* events seen */ + wait_queue_head_t wait_completion; + int mig_armed; + struct list_head sq_err_node; + struct list_head rq_err_node; }; #define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ) @@ -194,10 +251,11 @@ struct ehca_cq { atomic_t nr_events; /* #events seen */ wait_queue_head_t wait_completion; spinlock_t task_lock; - u32 ownpid; /* mmap counter for resources mapped into user space */ u32 mm_count_queue; u32 mm_count_galpa; + struct list_head sqp_err_list; + struct list_head rqp_err_list; }; enum ehca_mr_flag { @@ -264,7 +322,7 @@ struct ehca_mr_pginfo { } phy; struct { /* type EHCA_MR_PGI_USER section */ struct ib_umem *region; - struct ib_umem_chunk *next_chunk; + struct scatterlist *next_sg; u64 next_nmap; } usr; struct { /* type EHCA_MR_PGI_FMR section */ @@ -317,12 +375,16 @@ extern rwlock_t ehca_qp_idr_lock; extern rwlock_t ehca_cq_idr_lock; extern struct idr ehca_qp_idr; extern struct idr ehca_cq_idr; +extern spinlock_t shca_list_lock; extern int ehca_static_rate; extern int ehca_port_act_time; -extern int ehca_use_hp_mr; -extern int ehca_scaling_code; -extern int ehca_mr_largepage; +extern bool ehca_use_hp_mr; +extern bool ehca_scaling_code; +extern int ehca_lock_hcalls; +extern int ehca_nr_ports; +extern int ehca_max_cq; +extern int ehca_max_qp; struct ipzu_queue_resp { u32 qe_size; /* queue entry size */ @@ -337,6 +399,8 @@ struct ehca_create_cq_resp { u32 cq_number; u32 token; struct ipzu_queue_resp ipz_queue; + u32 fw_handle_ofs; + u32 dummy; }; struct ehca_create_qp_resp { @@ -347,7 +411,8 @@ struct ehca_create_qp_resp { u32 qkey; /* qp_num assigned by ehca: sqp0/1 may have got different numbers */ u32 real_qp_num; - u32 dummy; /* padding for 8 byte alignment */ + u32 fw_handle_ofs; + u32 dummy; struct ipzu_queue_resp ipz_squeue; struct ipzu_queue_resp ipz_rqueue; }; |