diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_classes.h')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 111 |
1 files changed, 68 insertions, 43 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index daf823ea1ac..0f7a55d35ea 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -43,7 +43,6 @@ #ifndef __EHCA_CLASSES_H__ #define __EHCA_CLASSES_H__ - struct ehca_module; struct ehca_qp; struct ehca_cq; @@ -54,6 +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> @@ -100,6 +100,11 @@ struct ehca_sport { struct ehca_sma_attr saved_attr; }; +#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; @@ -115,6 +120,8 @@ struct ehca_shca { struct h_galpas galpas; struct mutex modify_mutex; u64 hca_cap; + /* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */ + u32 hca_cap_mr_pgsize; int max_mtu; }; @@ -122,6 +129,10 @@ 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]; + struct list_head full[2]; }; enum ehca_ext_qp_type { @@ -204,11 +215,12 @@ struct ehca_mr { spinlock_t mrlock; enum ehca_mr_flag flags; - u32 num_pages; /* number of MR pages */ - u32 num_4k; /* number of 4k "page" portions to form MR */ + u32 num_kpages; /* number of kernel pages */ + u32 num_hwpages; /* number of hw pages to form MR */ + u64 hwpage_size; /* hw page size used for this MR */ int acl; /* ACL (stored here for usage in reregister) */ u64 *start; /* virtual start address (stored here for */ - /* usage in reregister) */ + /* usage in reregister) */ u64 size; /* size (stored here for usage in reregister) */ u32 fmr_page_size; /* page size for FMR */ u32 fmr_max_pages; /* max pages for FMR */ @@ -217,9 +229,6 @@ struct ehca_mr { /* fw specific data */ struct ipz_mrmw_handle ipz_mr_handle; /* MR handle for h-calls */ struct h_galpas galpas; - /* data for userspace bridge */ - u32 nr_of_pages; - void *pagearray; }; struct ehca_mw { @@ -241,26 +250,30 @@ enum ehca_mr_pgi_type { struct ehca_mr_pginfo { enum ehca_mr_pgi_type type; - u64 num_pages; - u64 page_cnt; - u64 num_4k; /* number of 4k "page" portions */ - u64 page_4k_cnt; /* counter for 4k "page" portions */ - u64 next_4k; /* next 4k "page" portion in buffer/chunk/listelem */ - - /* type EHCA_MR_PGI_PHYS section */ - int num_phys_buf; - struct ib_phys_buf *phys_buf_array; - u64 next_buf; - - /* type EHCA_MR_PGI_USER section */ - struct ib_umem *region; - struct ib_umem_chunk *next_chunk; - u64 next_nmap; - - /* type EHCA_MR_PGI_FMR section */ - u64 *page_list; - u64 next_listelem; - /* next_4k also used within EHCA_MR_PGI_FMR */ + u64 num_kpages; + u64 kpage_cnt; + u64 hwpage_size; /* hw page size used for this MR */ + u64 num_hwpages; /* number of hw pages */ + u64 hwpage_cnt; /* counter for hw pages */ + u64 next_hwpage; /* next hw page in buffer/chunk/listelem */ + + union { + struct { /* type EHCA_MR_PGI_PHYS section */ + int num_phys_buf; + struct ib_phys_buf *phys_buf_array; + u64 next_buf; + } phy; + struct { /* type EHCA_MR_PGI_USER section */ + struct ib_umem *region; + struct ib_umem_chunk *next_chunk; + u64 next_nmap; + } usr; + struct { /* type EHCA_MR_PGI_FMR section */ + u64 fmr_pgsize; + u64 *page_list; + u64 next_listelem; + } fmr; + } u; }; /* output parameters for MR/FMR hipz calls */ @@ -298,6 +311,8 @@ int ehca_init_av_cache(void); void ehca_cleanup_av_cache(void); int ehca_init_mrmw_cache(void); void ehca_cleanup_mrmw_cache(void); +int ehca_init_small_qp_cache(void); +void ehca_cleanup_small_qp_cache(void); extern rwlock_t ehca_qp_idr_lock; extern rwlock_t ehca_cq_idr_lock; @@ -308,6 +323,7 @@ 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; struct ipzu_queue_resp { u32 qe_size; /* queue entry size */ @@ -315,13 +331,15 @@ struct ipzu_queue_resp { u32 queue_length; /* queue length allocated in bytes */ u32 pagesize; u32 toggle_state; - u32 dummy; /* padding for 8 byte alignment */ + u32 offset; /* save offset within a page for small_qp */ }; 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 { @@ -332,7 +350,8 @@ 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; }; @@ -357,15 +376,29 @@ enum ehca_ll_comp_flags { LLQP_COMP_MASK = 0x60, }; +struct ehca_alloc_queue_parms { + /* input parameters */ + int max_wr; + int max_sge; + int page_size; + int is_small; + + /* output parameters */ + u16 act_nr_wqes; + u8 act_nr_sges; + u32 queue_size; /* bytes for small queues, pages otherwise */ +}; + struct ehca_alloc_qp_parms { -/* input parameters */ + struct ehca_alloc_queue_parms squeue; + struct ehca_alloc_queue_parms rqueue; + + /* input parameters */ enum ehca_service_type servicetype; + int qp_storage; int sigtype; enum ehca_ext_qp_type ext_type; enum ehca_ll_comp_flags ll_comp_flags; - - int max_send_wr, max_recv_wr; - int max_send_sge, max_recv_sge; int ud_av_l_key_ctl; u32 token; @@ -375,22 +408,14 @@ struct ehca_alloc_qp_parms { u32 srq_qpn, srq_token, srq_limit; -/* output parameters */ + /* output parameters */ u32 real_qp_num; struct ipz_qp_handle qp_handle; struct h_galpas galpas; - - u16 act_nr_send_wqes; - u16 act_nr_recv_wqes; - u8 act_nr_recv_sges; - u8 act_nr_send_sges; - - u32 nr_rq_pages; - u32 nr_sq_pages; }; int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp); int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int qp_num); -struct ehca_qp* ehca_cq_get_qp(struct ehca_cq *cq, int qp_num); +struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int qp_num); #endif |