diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 26 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes_pSeries.h | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_iverbs.h | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_main.c | 16 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_qp.c | 451 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_reqs.c | 47 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_uverbs.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/hcp_if.c | 23 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/hipz_hw.h | 1 |
9 files changed, 480 insertions, 107 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 6e75db68996e..9d689aeb928a 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -5,6 +5,7 @@ * * Authors: Heiko J Schick <schickhj@de.ibm.com> * Christoph Raisch <raisch@de.ibm.com> + * Joachim Fenkes <fenkes@de.ibm.com> * * Copyright (c) 2005 IBM Corporation * @@ -117,9 +118,20 @@ struct ehca_pd { u32 ownpid; }; +enum ehca_ext_qp_type { + EQPT_NORMAL = 0, + EQPT_LLQP = 1, + EQPT_SRQBASE = 2, + EQPT_SRQ = 3, +}; + struct ehca_qp { - struct ib_qp ib_qp; + union { + struct ib_qp ib_qp; + struct ib_srq ib_srq; + }; u32 qp_type; + enum ehca_ext_qp_type ext_type; struct ipz_queue ipz_squeue; struct ipz_queue ipz_rqueue; struct h_galpas galpas; @@ -142,6 +154,10 @@ struct ehca_qp { u32 mm_count_galpa; }; +#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ) +#define HAS_SQ(qp) (qp->ext_type != EQPT_SRQ) +#define HAS_RQ(qp) (qp->ext_type != EQPT_SRQBASE) + /* must be power of 2 */ #define QP_HASHTAB_LEN 8 @@ -307,6 +323,7 @@ struct ehca_create_qp_resp { u32 qp_num; u32 token; u32 qp_type; + u32 ext_type; u32 qkey; /* qp_num assigned by ehca: sqp0/1 may have got different numbers */ u32 real_qp_num; @@ -329,13 +346,6 @@ enum ehca_service_type { ST_UD = 3, }; -enum ehca_ext_qp_type { - EQPT_NORMAL = 0, - EQPT_LLQP = 1, - EQPT_SRQBASE = 2, - EQPT_SRQ = 3, -}; - enum ehca_ll_comp_flags { LLQP_SEND_COMP = 0x20, LLQP_RECV_COMP = 0x40, diff --git a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h index 5665f213b81a..fb3df5c271e7 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h +++ b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h @@ -228,8 +228,8 @@ struct hcp_modify_qp_control_block { #define MQPCB_QP_NUMBER EHCA_BMASK_IBM(8,31) #define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48,48) #define MQPCB_QP_ENABLE EHCA_BMASK_IBM(31,31) -#define MQPCB_MASK_CURR_SQR_LIMIT EHCA_BMASK_IBM(49,49) -#define MQPCB_CURR_SQR_LIMIT EHCA_BMASK_IBM(15,31) +#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49,49) +#define MQPCB_CURR_SRQ_LIMIT EHCA_BMASK_IBM(16,31) #define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50,50) #define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51,51) diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index 37e7fe0908cf..fd84a804814c 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -154,6 +154,21 @@ int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr, int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); +int ehca_post_srq_recv(struct ib_srq *srq, + struct ib_recv_wr *recv_wr, + struct ib_recv_wr **bad_recv_wr); + +struct ib_srq *ehca_create_srq(struct ib_pd *pd, + struct ib_srq_init_attr *init_attr, + struct ib_udata *udata); + +int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr, + enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); + +int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); + +int ehca_destroy_srq(struct ib_srq *srq); + u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp, struct ib_qp_init_attr *qp_init_attr); diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index eb22a6b296d9..ca215bac9742 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -343,7 +343,7 @@ int ehca_init_device(struct ehca_shca *shca) strlcpy(shca->ib_device.name, "ehca%d", IB_DEVICE_NAME_MAX); shca->ib_device.owner = THIS_MODULE; - shca->ib_device.uverbs_abi_ver = 6; + shca->ib_device.uverbs_abi_ver = 7; shca->ib_device.uverbs_cmd_mask = (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | @@ -411,6 +411,20 @@ int ehca_init_device(struct ehca_shca *shca) /* shca->ib_device.process_mad = ehca_process_mad; */ shca->ib_device.mmap = ehca_mmap; + if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { + shca->ib_device.uverbs_cmd_mask |= + (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | + (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | + (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | + (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); + + shca->ib_device.create_srq = ehca_create_srq; + shca->ib_device.modify_srq = ehca_modify_srq; + shca->ib_device.query_srq = ehca_query_srq; + shca->ib_device.destroy_srq = ehca_destroy_srq; + shca->ib_device.post_srq_recv = ehca_post_srq_recv; + } + return ret; } diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 513471a7bffa..6f35f07dc02c 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -3,7 +3,9 @@ * * QP functions * - * Authors: Waleri Fomin <fomin@de.ibm.com> + * Authors: Joachim Fenkes <fenkes@de.ibm.com> + * Stefan Roscher <stefan.roscher@de.ibm.com> + * Waleri Fomin <fomin@de.ibm.com> * Hoang-Nam Nguyen <hnguyen@de.ibm.com> * Reinhard Ernst <rernst@de.ibm.com> * Heiko J Schick <schickhj@de.ibm.com> @@ -261,6 +263,19 @@ static inline int ibqptype2servicetype(enum ib_qp_type ibqptype) } /* + * init userspace queue info from ipz_queue data + */ +static inline void queue2resp(struct ipzu_queue_resp *resp, + struct ipz_queue *queue) +{ + resp->qe_size = queue->qe_size; + resp->act_nr_of_sg = queue->act_nr_of_sg; + resp->queue_length = queue->queue_length; + resp->pagesize = queue->pagesize; + resp->toggle_state = queue->toggle_state; +} + +/* * init_qp_queue initializes/constructs r/squeue and registers queue pages. */ static inline int init_qp_queue(struct ehca_shca *shca, @@ -338,11 +353,17 @@ init_qp_queue1: return ret; } -struct ib_qp *ehca_create_qp(struct ib_pd *pd, - struct ib_qp_init_attr *init_attr, - struct ib_udata *udata) +/* + * Create an ib_qp struct that is either a QP or an SRQ, depending on + * the value of the is_srq parameter. If init_attr and srq_init_attr share + * fields, the field out of init_attr is used. + */ +struct ehca_qp *internal_create_qp(struct ib_pd *pd, + struct ib_qp_init_attr *init_attr, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata, int is_srq) { - static int da_rc_msg_size[]={ 128, 256, 512, 1024, 2048, 4096 }; + static int da_rc_msg_size[] = { 128, 256, 512, 1024, 2048, 4096 }; static int da_ud_sq_msg_size[]={ 128, 384, 896, 1920, 3968 }; struct ehca_qp *my_qp; struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd); @@ -355,7 +376,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, /* h_call's out parameters */ struct ehca_alloc_qp_parms parms; - u32 swqe_size = 0, rwqe_size = 0; + u32 swqe_size = 0, rwqe_size = 0, ib_qp_num; unsigned long flags; memset(&parms, 0, sizeof(parms)); @@ -376,13 +397,34 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, } qp_type &= 0x1F; - /* check for SRQ */ - has_srq = !!(init_attr->srq); + /* handle SRQ base QPs */ + if (init_attr->srq) { + struct ehca_qp *my_srq = + container_of(init_attr->srq, struct ehca_qp, ib_srq); + + has_srq = 1; + parms.ext_type = EQPT_SRQBASE; + parms.srq_qpn = my_srq->real_qp_num; + parms.srq_token = my_srq->token; + } + if (is_llqp && has_srq) { ehca_err(pd->device, "LLQPs can't have an SRQ"); return ERR_PTR(-EINVAL); } + /* handle SRQs */ + if (is_srq) { + parms.ext_type = EQPT_SRQ; + parms.srq_limit = srq_init_attr->attr.srq_limit; + if (init_attr->cap.max_recv_sge > 3) { + ehca_err(pd->device, "no more than three SGEs " + "supported for SRQ pd=%p max_sge=%x", + pd, init_attr->cap.max_recv_sge); + return ERR_PTR(-EINVAL); + } + } + /* check QP type */ if (qp_type != IB_QPT_UD && qp_type != IB_QPT_UC && @@ -423,11 +465,15 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, spin_lock_init(&my_qp->spinlock_s); spin_lock_init(&my_qp->spinlock_r); + my_qp->qp_type = qp_type; + my_qp->ext_type = parms.ext_type; - my_qp->recv_cq = - container_of(init_attr->recv_cq, struct ehca_cq, ib_cq); - my_qp->send_cq = - container_of(init_attr->send_cq, struct ehca_cq, ib_cq); + if (init_attr->recv_cq) + my_qp->recv_cq = + container_of(init_attr->recv_cq, struct ehca_cq, ib_cq); + if (init_attr->send_cq) + my_qp->send_cq = + container_of(init_attr->send_cq, struct ehca_cq, ib_cq); do { if (!idr_pre_get(&ehca_qp_idr, GFP_KERNEL)) { @@ -471,8 +517,10 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, parms.token = my_qp->token; parms.eq_handle = shca->eq.ipz_eq_handle; parms.pd = my_pd->fw_pd; - parms.send_cq_handle = my_qp->send_cq->ipz_cq_handle; - parms.recv_cq_handle = my_qp->recv_cq->ipz_cq_handle; + if (my_qp->send_cq) + parms.send_cq_handle = my_qp->send_cq->ipz_cq_handle; + if (my_qp->recv_cq) + parms.recv_cq_handle = my_qp->recv_cq->ipz_cq_handle; parms.max_send_wr = init_attr->cap.max_send_wr; parms.max_recv_wr = init_attr->cap.max_recv_wr; @@ -487,7 +535,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, goto create_qp_exit1; } - my_qp->ib_qp.qp_num = my_qp->real_qp_num = parms.real_qp_num; + ib_qp_num = my_qp->real_qp_num = parms.real_qp_num; my_qp->ipz_qp_handle = parms.qp_handle; my_qp->galpas = parms.galpas; @@ -535,7 +583,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, parms.act_nr_recv_wqes = init_attr->cap.max_recv_wr; parms.act_nr_send_sges = init_attr->cap.max_send_sge; parms.act_nr_recv_sges = init_attr->cap.max_recv_sge; - my_qp->ib_qp.qp_num = (qp_type == IB_QPT_SMI) ? 0 : 1; + ib_qp_num = (qp_type == IB_QPT_SMI) ? 0 : 1; } break; @@ -545,36 +593,51 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, } /* initialize r/squeue and register queue pages */ - ret = init_qp_queue(shca, my_qp, &my_qp->ipz_squeue, 0, - has_srq ? H_SUCCESS : H_PAGE_REGISTERED, - parms.nr_sq_pages, swqe_size, - parms.act_nr_send_sges); - if (ret) { - ehca_err(pd->device, - "Couldn't initialize squeue and pages ret=%x", ret); - goto create_qp_exit2; + if (HAS_SQ(my_qp)) { + ret = init_qp_queue( + shca, my_qp, &my_qp->ipz_squeue, 0, + HAS_RQ(my_qp) ? H_PAGE_REGISTERED : H_SUCCESS, + parms.nr_sq_pages, swqe_size, + parms.act_nr_send_sges); + if (ret) { + ehca_err(pd->device, "Couldn't initialize squeue " + "and pages ret=%x", ret); + goto create_qp_exit2; + } } - ret = init_qp_queue(shca, my_qp, &my_qp->ipz_rqueue, 1, H_SUCCESS, - parms.nr_rq_pages, rwqe_size, - parms.act_nr_recv_sges); - if (ret) { - ehca_err(pd->device, - "Couldn't initialize rqueue and pages ret=%x", ret); - goto create_qp_exit3; + if (HAS_RQ(my_qp)) { + ret = init_qp_queue( + shca, my_qp, &my_qp->ipz_rqueue, 1, + H_SUCCESS, parms.nr_rq_pages, rwqe_size, + parms.act_nr_recv_sges); + if (ret) { + ehca_err(pd->device, "Couldn't initialize rqueue " + "and pages ret=%x", ret); + goto create_qp_exit3; + } } - my_qp->ib_qp.pd = &my_pd->ib_pd; - my_qp->ib_qp.device = my_pd->ib_pd.device; + if (is_srq) { + my_qp->ib_srq.pd = &my_pd->ib_pd; + my_qp->ib_srq.device = my_pd->ib_pd.device; - my_qp->ib_qp.recv_cq = init_attr->recv_cq; - my_qp->ib_qp.send_cq = init_attr->send_cq; + my_qp->ib_srq.srq_context = init_attr->qp_context; + my_qp->ib_srq.event_handler = init_attr->event_handler; + } else { + my_qp->ib_qp.qp_num = ib_qp_num; + my_qp->ib_qp.pd = &my_pd->ib_pd; + my_qp->ib_qp.device = my_pd->ib_pd.device; + + my_qp->ib_qp.recv_cq = init_attr->recv_cq; + my_qp->ib_qp.send_cq = init_attr->send_cq; - my_qp->ib_qp.qp_type = my_qp->qp_type = qp_type; - my_qp->ib_qp.srq = init_attr->srq; + my_qp->ib_qp.qp_type = qp_type; + my_qp->ib_qp.srq = init_attr->srq; - my_qp->ib_qp.qp_context = init_attr->qp_context; - my_qp->ib_qp.event_handler = init_attr->event_handler; + my_qp->ib_qp.qp_context = init_attr->qp_context; + my_qp->ib_qp.event_handler = init_attr->event_handler; + } init_attr->cap.max_inline_data = 0; /* not supported yet */ init_attr->cap.max_recv_sge = parms.act_nr_recv_sges; @@ -593,41 +656,32 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, goto create_qp_exit4; } } - if (init_attr->send_cq) { - struct ehca_cq *cq = container_of(init_attr->send_cq, - struct ehca_cq, ib_cq); - ret = ehca_cq_assign_qp(cq, my_qp); + + if (my_qp->send_cq) { + ret = ehca_cq_assign_qp(my_qp->send_cq, my_qp); if (ret) { ehca_err(pd->device, "Couldn't assign qp to send_cq ret=%x", ret); goto create_qp_exit4; } - my_qp->send_cq = cq; } + /* copy queues, galpa data to user space */ if (context && udata) { - struct ipz_queue *ipz_rqueue = &my_qp->ipz_rqueue; - struct ipz_queue *ipz_squeue = &my_qp->ipz_squeue; struct ehca_create_qp_resp resp; memset(&resp, 0, sizeof(resp)); resp.qp_num = my_qp->real_qp_num; resp.token = my_qp->token; resp.qp_type = my_qp->qp_type; + resp.ext_type = my_qp->ext_type; resp.qkey = my_qp->qkey; resp.real_qp_num = my_qp->real_qp_num; - /* rqueue properties */ - resp.ipz_rqueue.qe_size = ipz_rqueue->qe_size; - resp.ipz_rqueue.act_nr_of_sg = ipz_rqueue->act_nr_of_sg; - resp.ipz_rqueue.queue_length = ipz_rqueue->queue_length; - resp.ipz_rqueue.pagesize = ipz_rqueue->pagesize; - resp.ipz_rqueue.toggle_state = ipz_rqueue->toggle_state; - /* squeue properties */ - resp.ipz_squeue.qe_size = ipz_squeue->qe_size; - resp.ipz_squeue.act_nr_of_sg = ipz_squeue->act_nr_of_sg; - resp.ipz_squeue.queue_length = ipz_squeue->queue_length; - resp.ipz_squeue.pagesize = ipz_squeue->pagesize; - resp.ipz_squeue.toggle_state = ipz_squeue->toggle_state; + if (HAS_SQ(my_qp)) + queue2resp(&resp.ipz_squeue, &my_qp->ipz_squeue); + if (HAS_RQ(my_qp)) + queue2resp(&resp.ipz_rqueue, &my_qp->ipz_rqueue); + if (ib_copy_to_udata(udata, &resp, sizeof resp)) { ehca_err(pd->device, "Copy to udata failed"); ret = -EINVAL; @@ -635,13 +689,15 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, } } - return &my_qp->ib_qp; + return my_qp; create_qp_exit4: - ipz_queue_dtor(&my_qp->ipz_rqueue); + if (HAS_RQ(my_qp)) + ipz_queue_dtor(&my_qp->ipz_rqueue); create_qp_exit3: - ipz_queue_dtor(&my_qp->ipz_squeue); + if (HAS_SQ(my_qp)) + ipz_queue_dtor(&my_qp->ipz_squeue); create_qp_exit2: hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); @@ -656,6 +712,114 @@ create_qp_exit0: return ERR_PTR(ret); } +struct ib_qp *ehca_create_qp(struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr, + struct ib_udata *udata) +{ + struct ehca_qp *ret; + + ret = internal_create_qp(pd, qp_init_attr, NULL, udata, 0); + return IS_ERR(ret) ? (struct ib_qp *) ret : &ret->ib_qp; +} + +int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, + struct ib_uobject *uobject); + +struct ib_srq *ehca_create_srq(struct ib_pd *pd, + struct ib_srq_init_attr *srq_init_attr, + struct ib_udata *udata) +{ + struct ib_qp_init_attr qp_init_attr; + struct ehca_qp *my_qp; + struct ib_srq *ret; + struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, + ib_device); + struct hcp_modify_qp_control_block *mqpcb; + u64 hret, update_mask; + + /* For common attributes, internal_create_qp() takes its info + * out of qp_init_attr, so copy all common attrs there. + */ + memset(&qp_init_attr, 0, sizeof(qp_init_attr)); + qp_init_attr.event_handler = srq_init_attr->event_handler; + qp_init_attr.qp_context = srq_init_attr->srq_context; + qp_init_attr.sq_sig_type = IB_SIGNAL_ALL_WR; + qp_init_attr.qp_type = IB_QPT_RC; + qp_init_attr.cap.max_recv_wr = srq_init_attr->attr.max_wr; + qp_init_attr.cap.max_recv_sge = srq_init_attr->attr.max_sge; + + my_qp = internal_create_qp(pd, &qp_init_attr, srq_init_attr, udata, 1); + if (IS_ERR(my_qp)) + return (struct ib_srq *) my_qp; + + /* copy back return values */ + srq_init_attr->attr.max_wr = qp_init_attr.cap.max_recv_wr; + srq_init_attr->attr.max_sge = qp_init_attr.cap.max_recv_sge; + + /* drive SRQ into RTR state */ + mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); + if (!mqpcb) { + ehca_err(pd->device, "Could not get zeroed page for mqpcb " + "ehca_qp=%p qp_num=%x ", my_qp, my_qp->real_qp_num); + ret = ERR_PTR(-ENOMEM); + goto create_srq1; + } + + mqpcb->qp_state = EHCA_QPS_INIT; + mqpcb->prim_phys_port = 1; + update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1); + hret = hipz_h_modify_qp(shca->ipz_hca_handle, + my_qp->ipz_qp_handle, + &my_qp->pf, + update_mask, + mqpcb, my_qp->galpas.kernel); + if (hret != H_SUCCESS) { + ehca_err(pd->device, "Could not modify SRQ to INIT" + "ehca_qp=%p qp_num=%x hret=%lx", + my_qp, my_qp->real_qp_num, hret); + goto create_srq2; + } + + mqpcb->qp_enable = 1; + update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_ENABLE, 1); + hret = hipz_h_modify_qp(shca->ipz_hca_handle, + my_qp->ipz_qp_handle, + &my_qp->pf, + update_mask, + mqpcb, my_qp->galpas.kernel); + if (hret != H_SUCCESS) { + ehca_err(pd->device, "Could not enable SRQ" + "ehca_qp=%p qp_num=%x hret=%lx", + my_qp, my_qp->real_qp_num, hret); + goto create_srq2; + } + + mqpcb->qp_state = EHCA_QPS_RTR; + update_mask = EHCA_BMASK_SET(MQPCB_MASK_QP_STATE, 1); + hret = hipz_h_modify_qp(shca->ipz_hca_handle, + my_qp->ipz_qp_handle, + &my_qp->pf, + update_mask, + mqpcb, my_qp->galpas.kernel); + if (hret != H_SUCCESS) { + ehca_err(pd->device, "Could not modify SRQ to RTR" + "ehca_qp=%p qp_num=%x hret=%lx", + my_qp, my_qp->real_qp_num, hret); + goto create_srq2; + } + + return &my_qp->ib_srq; + +create_srq2: + ret = ERR_PTR(ehca2ib_return_code(hret)); + ehca_free_fw_ctrlblock(mqpcb); + +create_srq1: + internal_destroy_qp(pd->device, my_qp, my_qp->ib_srq.uobject); + + return ret; +} + /* * prepare_sqe_rts called by internal_modify_qp() at trans sqe -> rts * set purge bit of bad wqe and subsequent wqes to avoid reentering sqe @@ -1341,42 +1505,159 @@ query_qp_exit1: return ret; } -int ehca_destroy_qp(struct ib_qp *ibqp) +int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, + enum ib_srq_attr_mask attr_mask, struct ib_udata *udata) { - struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp); - struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca, + struct ehca_qp *my_qp = + container_of(ibsrq, struct ehca_qp, ib_srq); + struct ehca_pd *my_pd = + container_of(ibsrq->pd, struct ehca_pd, ib_pd); + struct ehca_shca *shca = + container_of(ibsrq->pd->device, struct ehca_shca, ib_device); + struct hcp_modify_qp_control_block *mqpcb; + u64 update_mask; + u64 h_ret; + int ret = 0; + + u32 cur_pid = current->tgid; + if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && + my_pd->ownpid != cur_pid) { + ehca_err(ibsrq->pd->device, "Invalid caller pid=%x ownpid=%x", + cur_pid, my_pd->ownpid); + return -EINVAL; + } + + mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); + if (!mqpcb) { + ehca_err(ibsrq->device, "Could not get zeroed page for mqpcb " + "ehca_qp=%p qp_num=%x ", my_qp, my_qp->real_qp_num); + return -ENOMEM; + } + + update_mask = 0; + if (attr_mask & IB_SRQ_LIMIT) { + attr_mask &= ~IB_SRQ_LIMIT; + update_mask |= + EHCA_BMASK_SET(MQPCB_MASK_CURR_SRQ_LIMIT, 1) + | EHCA_BMASK_SET(MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG, 1); + mqpcb->curr_srq_limit = + EHCA_BMASK_SET(MQPCB_CURR_SRQ_LIMIT, attr->srq_limit); + mqpcb->qp_aff_asyn_ev_log_reg = + EHCA_BMASK_SET(QPX_AAELOG_RESET_SRQ_LIMIT, 1); + } + + /* by now, all bits in attr_mask should have been cleared */ + if (attr_mask) { + ehca_err(ibsrq->device, "invalid attribute mask bits set " + "attr_mask=%x", attr_mask); + ret = -EINVAL; + goto modify_srq_exit0; + } + + if (ehca_debug_level) + ehca_dmp(mqpcb, 4*70, "qp_num=%x", my_qp->real_qp_num); + + h_ret = hipz_h_modify_qp(shca->ipz_hca_handle, my_qp->ipz_qp_handle, + NULL, update_mask, mqpcb, + my_qp->galpas.kernel); + + if (h_ret != H_SUCCESS) { + ret = ehca2ib_return_code(h_ret); + ehca_err(ibsrq->device, "hipz_h_modify_qp() failed rc=%lx " + "ehca_qp=%p qp_num=%x", + h_ret, my_qp, my_qp->real_qp_num); + } + +modify_srq_exit0: + ehca_free_fw_ctrlblock(mqpcb); + + return ret; +} + +int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr) +{ + struct ehca_qp *my_qp = container_of(srq, struct ehca_qp, ib_srq); + struct ehca_pd *my_pd = container_of(srq->pd, struct ehca_pd, ib_pd); + struct ehca_shca *shca = container_of(srq->device, struct ehca_shca, ib_device); + struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle; + struct hcp_modify_qp_control_block *qpcb; + u32 cur_pid = current->tgid; + int ret = 0; + u64 h_ret; + + if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && + my_pd->ownpid != cur_pid) { + ehca_err(srq->device, "Invalid caller pid=%x ownpid=%x", + cur_pid, my_pd->ownpid); + return -EINVAL; + } + + qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL); + if (!qpcb) { + ehca_err(srq->device, "Out of memory for qpcb " + "ehca_qp=%p qp_num=%x", my_qp, my_qp->real_qp_num); + return -ENOMEM; + } + + h_ret = hipz_h_query_qp(adapter_handle, my_qp->ipz_qp_handle, + NULL, qpcb, my_qp->galpas.kernel); + + if (h_ret != H_SUCCESS) { + ret = ehca2ib_return_code(h_ret); + ehca_err(srq->device, "hipz_h_query_qp() failed " + "ehca_qp=%p qp_num=%x h_ret=%lx", + my_qp, my_qp->real_qp_num, h_ret); + goto query_srq_exit1; + } + + srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1; + srq_attr->srq_limit = EHCA_BMASK_GET( + MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit); + + if (ehca_debug_level) + ehca_dmp(qpcb, 4*70, "qp_num=%x", my_qp->real_qp_num); + +query_srq_exit1: + ehca_free_fw_ctrlblock(qpcb); + + return ret; +} + +int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, + struct ib_uobject *uobject) +{ + struct ehca_shca *shca = container_of(dev, struct ehca_shca, ib_device); struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd, ib_pd); u32 cur_pid = current->tgid; - u32 qp_num = ibqp->qp_num; + u32 qp_num = my_qp->real_qp_num; int ret; u64 h_ret; u8 port_num; enum ib_qp_type qp_type; unsigned long flags; - if (ibqp->uobject) { + if (uobject) { if (my_qp->mm_count_galpa || my_qp->mm_count_rqueue || my_qp->mm_count_squeue) { - ehca_err(ibqp->device, "Resources still referenced in " - "user space qp_num=%x", ibqp->qp_num); + ehca_err(dev, "Resources still referenced in " + "user space qp_num=%x", qp_num); return -EINVAL; } if (my_pd->ownpid != cur_pid) { - ehca_err(ibqp->device, "Invalid caller pid=%x ownpid=%x", + ehca_err(dev, "Invalid caller pid=%x ownpid=%x", cur_pid, my_pd->ownpid); return -EINVAL; } } if (my_qp->send_cq) { - ret = ehca_cq_unassign_qp(my_qp->send_cq, - my_qp->real_qp_num); + ret = ehca_cq_unassign_qp(my_qp->send_cq, qp_num); if (ret) { - ehca_err(ibqp->device, "Couldn't unassign qp from " + ehca_err(dev, "Couldn't unassign qp from " "send_cq ret=%x qp_num=%x cq_num=%x", ret, - my_qp->ib_qp.qp_num, my_qp->send_cq->cq_number); + qp_num, my_qp->send_cq->cq_number); return ret; } } @@ -1387,7 +1668,7 @@ int ehca_destroy_qp(struct ib_qp *ibqp) h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); if (h_ret != H_SUCCESS) { - ehca_err(ibqp->device, "hipz_h_destroy_qp() failed rc=%lx " + ehca_err(dev, "hipz_h_destroy_qp() failed rc=%lx " "ehca_qp=%p qp_num=%x", h_ret, my_qp, qp_num); return ehca2ib_return_code(h_ret); } @@ -1398,7 +1679,7 @@ int ehca_destroy_qp(struct ib_qp *ibqp) /* no support for IB_QPT_SMI yet */ if (qp_type == IB_QPT_GSI) { struct ib_event event; - ehca_info(ibqp->device, "device %s: port %x is inactive.", + ehca_info(dev, "device %s: port %x is inactive.", shca->ib_device.name, port_num); event.device = &shca->ib_device; event.event = IB_EVENT_PORT_ERR; @@ -1407,12 +1688,28 @@ int ehca_destroy_qp(struct ib_qp *ibqp) ib_dispatch_event(&event); } - ipz_queue_dtor(&my_qp->ipz_rqueue); - ipz_queue_dtor(&my_qp->ipz_squeue); + if (HAS_RQ(my_qp)) + ipz_queue_dtor(&my_qp->ipz_rqueue); + if (HAS_SQ(my_qp)) + ipz_queue_dtor(&my_qp->ipz_squeue); kmem_cache_free(qp_cache, my_qp); return 0; } +int ehca_destroy_qp(struct ib_qp *qp) +{ + return internal_destroy_qp(qp->device, + container_of(qp, struct ehca_qp, ib_qp), + qp->uobject); +} + +int ehca_destroy_srq(struct ib_srq *srq) +{ + return internal_destroy_qp(srq->device, + container_of(srq, struct ehca_qp, ib_srq), + srq->uobject); +} + int ehca_init_qp_cache(void) { qp_cache = kmem_cache_create("ehca_cache_qp", diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index 56c4527c884f..b5664fa34de3 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -3,8 +3,9 @@ * * post_send/recv, poll_cq, req_notify * - * Authors: Waleri Fomin <fomin@de.ibm.com> - * Hoang-Nam Nguyen <hnguyen@de.ibm.com> + * Authors: Hoang-Nam Nguyen <hnguyen@de.ibm.com> + * Waleri Fomin <fomin@de.ibm.com> + * Joachim Fenkes <fenkes@de.ibm.com> * Reinhard Ernst <rernst@de.ibm.com> * * Copyright (c) 2005 IBM Corporation @@ -413,17 +414,23 @@ post_send_exit0: return ret; } -int ehca_post_recv(struct ib_qp *qp, - struct ib_recv_wr *recv_wr, - struct ib_recv_wr **bad_recv_wr) +static int internal_post_recv(struct ehca_qp *my_qp, + struct ib_device *dev, + struct ib_recv_wr *recv_wr, + struct ib_recv_wr **bad_recv_wr) { - struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp); struct ib_recv_wr *cur_recv_wr; struct ehca_wqe *wqe_p; int wqe_cnt = 0; int ret = 0; unsigned long spl_flags; + if (unlikely(!HAS_RQ(my_qp))) { + ehca_err(dev, "QP has no RQ ehca_qp=%p qp_num=%x ext_type=%d", + my_qp, my_qp->real_qp_num, my_qp->ext_type); + return -ENODEV; + } + /* LOCK the QUEUE */ spin_lock_irqsave(&my_qp->spinlock_r, spl_flags); @@ -439,8 +446,8 @@ int ehca_post_recv(struct ib_qp *qp, *bad_recv_wr = cur_recv_wr; if (wqe_cnt == 0) { ret = -ENOMEM; - ehca_err(qp->device, "Too many posted WQEs " - "qp_num=%x", qp->qp_num); + ehca_err(dev, "Too many posted WQEs " + "qp_num=%x", my_qp->real_qp_num); } goto post_recv_exit0; } @@ -455,14 +462,14 @@ int ehca_post_recv(struct ib_qp *qp, *bad_recv_wr = cur_recv_wr; if (wqe_cnt == 0) { ret = -EINVAL; - ehca_err(qp->device, "Could not write WQE " - "qp_num=%x", qp->qp_num); + ehca_err(dev, "Could not write WQE " + "qp_num=%x", my_qp->real_qp_num); } goto post_recv_exit0; } wqe_cnt++; - ehca_gen_dbg("ehca_qp=%p qp_num=%x wqe_cnt=%d", - my_qp, qp->qp_num, wqe_cnt); + ehca_dbg(dev, "ehca_qp=%p qp_num=%x wqe_cnt=%d", + my_qp, my_qp->real_qp_num, wqe_cnt); } /* eof for cur_recv_wr */ post_recv_exit0: @@ -472,6 +479,22 @@ post_recv_exit0: return ret; } +int ehca_post_recv(struct ib_qp *qp, + struct ib_recv_wr *recv_wr, + struct ib_recv_wr **bad_recv_wr) +{ + return internal_post_recv(container_of(qp, struct ehca_qp, ib_qp), + qp->device, recv_wr, bad_recv_wr); +} + +int ehca_post_srq_recv(struct ib_srq *srq, + struct ib_recv_wr *recv_wr, + struct ib_recv_wr **bad_recv_wr) +{ + return internal_post_recv(container_of(srq, struct ehca_qp, ib_srq), + srq->device, recv_wr, bad_recv_wr); +} + /* * ib_wc_opcode table converts ehca wc opcode to ib * Since we use zero to indicate invalid opcode, the actual ib opcode must diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index 73db920b6945..d8fe37d56f1a 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -257,6 +257,7 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) struct ehca_cq *cq; struct ehca_qp *qp; struct ehca_pd *pd; + struct ib_uobject *uobject; switch (q_type) { case 1: /* CQ */ @@ -304,7 +305,8 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) return -ENOMEM; } - if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context) + uobject = IS_SRQ(qp) ? qp->ib_srq.uobject : qp->ib_qp.uobject; + if (!uobject || uobject->context != context) return -EINVAL; ret = ehca_mmap_qp(vma, qp, rsrc_type); diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c index 7efc4a2ad2b9..b0783773f1c8 100644 --- a/drivers/infiniband/hw/ehca/hcp_if.c +++ b/drivers/infiniband/hw/ehca/hcp_if.c @@ -5,6 +5,7 @@ * * Authors: Christoph Raisch <raisch@de.ibm.com> * Hoang-Nam Nguyen <hnguyen@de.ibm.com> + * Joachim Fenkes <fenkes@de.ibm.com> * Gerd Bayer <gerd.bayer@de.ibm.com> * Waleri Fomin <fomin@de.ibm.com> * @@ -62,6 +63,12 @@ #define H_ALL_RES_QP_MAX_SEND_SGE EHCA_BMASK_IBM(32, 39) #define H_ALL_RES_QP_MAX_RECV_SGE EHCA_BMASK_IBM(40, 47) +#define H_ALL_RES_QP_UD_AV_LKEY EHCA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_SRQ_QP_TOKEN EHCA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_SRQ_QP_HANDLE EHCA_BMASK_IBM(0, 64) +#define H_ALL_RES_QP_SRQ_LIMIT EHCA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_SRQ_QPN EHCA_BMASK_IBM(40, 63) + #define H_ALL_RES_QP_ACT_OUTST_SEND_WR EHCA_BMASK_IBM(16, 31) #define H_ALL_RES_QP_ACT_OUTST_RECV_WR EHCA_BMASK_IBM(48, 63) #define H_ALL_RES_QP_ACT_SEND_SGE EHCA_BMASK_IBM(8, 15) @@ -150,7 +157,7 @@ static long ehca_plpar_hcall9(unsigned long opcode, { long ret; int i, sleep_msecs, lock_is_set = 0; - unsigned long flags; + unsigned long flags = 0; ehca_gen_dbg("opcode=%lx arg1=%lx arg2=%lx arg3=%lx arg4=%lx " "arg5=%lx arg6=%lx arg7=%lx arg8=%lx arg9=%lx", @@ -282,8 +289,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, struct ehca_alloc_qp_parms *parms) { u64 ret; - u64 allocate_controls; - u64 max_r10_reg; + u64 allocate_controls, max_r10_reg, r11, r12; u64 outs[PLPAR_HCALL9_BUFSIZE]; allocate_controls = @@ -309,6 +315,13 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, | EHCA_BMASK_SET(H_ALL_RES_QP_MAX_RECV_SGE, parms->max_recv_sge); + r11 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_QP_TOKEN, parms->srq_token); + + if (parms->ext_type == EQPT_SRQ) + r12 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_LIMIT, parms->srq_limit); + else + r12 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_QPN, parms->srq_qpn); + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, adapter_handle.handle, /* r4 */ allocate_controls, /* r5 */ @@ -316,9 +329,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, parms->recv_cq_handle.handle, parms->eq_handle.handle, ((u64)parms->token << 32) | parms->pd.value, - max_r10_reg, /* r10 */ - parms->ud_av_l_key_ctl, /* r11 */ - 0); + max_r10_reg, r11, r12); parms->qp_handle.handle = outs[0]; parms->real_qp_num = (u32)outs[1]; diff --git a/drivers/infiniband/hw/ehca/hipz_hw.h b/drivers/infiniband/hw/ehca/hipz_hw.h index 9116fc943fee..dad6dea5636b 100644 --- a/drivers/infiniband/hw/ehca/hipz_hw.h +++ b/drivers/infiniband/hw/ehca/hipz_hw.h @@ -163,6 +163,7 @@ struct hipz_qptemm { #define QPX_SQADDER EHCA_BMASK_IBM(48,63) #define QPX_RQADDER EHCA_BMASK_IBM(48,63) +#define QPX_AAELOG_RESET_SRQ_LIMIT EHCA_BMASK_IBM(3,3) #define QPTEMM_OFFSET(x) offsetof(struct hipz_qptemm,x) |