diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_verbs.c')
-rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.c | 176 |
1 files changed, 71 insertions, 105 deletions
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index 6d96d7a..5c0e76c 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -50,8 +50,8 @@ static unsigned int ib_qib_qp_table_size = 256; module_param_named(qp_table_size, ib_qib_qp_table_size, uint, S_IRUGO); MODULE_PARM_DESC(qp_table_size, "QP table size"); -unsigned int ib_qib_lkey_table_size = 16; -module_param_named(lkey_table_size, ib_qib_lkey_table_size, uint, +static unsigned int qib_lkey_table_size = 16; +module_param_named(lkey_table_size, qib_lkey_table_size, uint, S_IRUGO); MODULE_PARM_DESC(lkey_table_size, "LKEY table size in bits (2^n, 1 <= n <= 23)"); @@ -167,9 +167,9 @@ __be64 ib_qib_sys_image_guid; * @data: the data to copy * @length: the length of the data */ -void qib_copy_sge(struct qib_sge_state *ss, void *data, u32 length, int release) +void qib_copy_sge(struct rvt_sge_state *ss, void *data, u32 length, int release) { - struct qib_sge *sge = &ss->sge; + struct rvt_sge *sge = &ss->sge; while (length) { u32 len = sge->length; @@ -185,11 +185,11 @@ void qib_copy_sge(struct qib_sge_state *ss, void *data, u32 length, int release) sge->sge_length -= len; if (sge->sge_length == 0) { if (release) - qib_put_mr(sge->mr); + rvt_put_mr(sge->mr); if (--ss->num_sge) *sge = *ss->sg_list++; } else if (sge->length == 0 && sge->mr->lkey) { - if (++sge->n >= QIB_SEGSZ) { + if (++sge->n >= RVT_SEGSZ) { if (++sge->m >= sge->mr->mapsz) break; sge->n = 0; @@ -209,9 +209,9 @@ void qib_copy_sge(struct qib_sge_state *ss, void *data, u32 length, int release) * @ss: the SGE state * @length: the number of bytes to skip */ -void qib_skip_sge(struct qib_sge_state *ss, u32 length, int release) +void qib_skip_sge(struct rvt_sge_state *ss, u32 length, int release) { - struct qib_sge *sge = &ss->sge; + struct rvt_sge *sge = &ss->sge; while (length) { u32 len = sge->length; @@ -226,11 +226,11 @@ void qib_skip_sge(struct qib_sge_state *ss, u32 length, int release) sge->sge_length -= len; if (sge->sge_length == 0) { if (release) - qib_put_mr(sge->mr); + rvt_put_mr(sge->mr); if (--ss->num_sge) *sge = *ss->sg_list++; } else if (sge->length == 0 && sge->mr->lkey) { - if (++sge->n >= QIB_SEGSZ) { + if (++sge->n >= RVT_SEGSZ) { if (++sge->m >= sge->mr->mapsz) break; sge->n = 0; @@ -249,10 +249,10 @@ void qib_skip_sge(struct qib_sge_state *ss, u32 length, int release) * Don't modify the qib_sge_state to get the count. * Return zero if any of the segments is not aligned. */ -static u32 qib_count_sge(struct qib_sge_state *ss, u32 length) +static u32 qib_count_sge(struct rvt_sge_state *ss, u32 length) { - struct qib_sge *sg_list = ss->sg_list; - struct qib_sge sge = ss->sge; + struct rvt_sge *sg_list = ss->sg_list; + struct rvt_sge sge = ss->sge; u8 num_sge = ss->num_sge; u32 ndesc = 1; /* count the header */ @@ -277,7 +277,7 @@ static u32 qib_count_sge(struct qib_sge_state *ss, u32 length) if (--num_sge) sge = *sg_list++; } else if (sge.length == 0 && sge.mr->lkey) { - if (++sge.n >= QIB_SEGSZ) { + if (++sge.n >= RVT_SEGSZ) { if (++sge.m >= sge.mr->mapsz) break; sge.n = 0; @@ -295,9 +295,9 @@ static u32 qib_count_sge(struct qib_sge_state *ss, u32 length) /* * Copy from the SGEs to the data buffer. */ -static void qib_copy_from_sge(void *data, struct qib_sge_state *ss, u32 length) +static void qib_copy_from_sge(void *data, struct rvt_sge_state *ss, u32 length) { - struct qib_sge *sge = &ss->sge; + struct rvt_sge *sge = &ss->sge; while (length) { u32 len = sge->length; @@ -315,7 +315,7 @@ static void qib_copy_from_sge(void *data, struct qib_sge_state *ss, u32 length) if (--ss->num_sge) *sge = *ss->sg_list++; } else if (sge->length == 0 && sge->mr->lkey) { - if (++sge->n >= QIB_SEGSZ) { + if (++sge->n >= RVT_SEGSZ) { if (++sge->m >= sge->mr->mapsz) break; sge->n = 0; @@ -335,17 +335,17 @@ static void qib_copy_from_sge(void *data, struct qib_sge_state *ss, u32 length) * @qp: the QP to post on * @wr: the work request to send */ -static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr, - int *scheduled) +static int qib_post_one_send(struct rvt_qp *qp, struct ib_send_wr *wr, + int *scheduled) { - struct qib_swqe *wqe; + struct rvt_swqe *wqe; u32 next; int i; int j; int acc; int ret; unsigned long flags; - struct qib_lkey_table *rkt; + struct rvt_lkey_table *rkt; struct rvt_pd *pd; int avoid_schedule = 0; @@ -364,10 +364,7 @@ static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr, * undefined operations. * Make sure buffer is large enough to hold the result for atomics. */ - if (wr->opcode == IB_WR_REG_MR) { - if (qib_reg_mr(qp, reg_wr(wr))) - goto bail_inval; - } else if (qp->ibqp.qp_type == IB_QPT_UC) { + if (qp->ibqp.qp_type == IB_QPT_UC) { if ((unsigned) wr->opcode >= IB_WR_RDMA_READ) goto bail_inval; } else if (qp->ibqp.qp_type != IB_QPT_RC) { @@ -396,7 +393,7 @@ static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr, goto bail; } - rkt = &to_idev(qp->ibqp.device)->lk_table; + rkt = &to_idev(qp->ibqp.device)->rdi.lkey_table; pd = ibpd_to_rvtpd(qp->ibqp.pd); wqe = get_swqe_ptr(qp, qp->s_head); @@ -427,7 +424,7 @@ static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr, if (length == 0) continue; - ok = qib_lkey_ok(rkt, pd, &wqe->sg_list[j], + ok = rvt_lkey_ok(rkt, pd, &wqe->sg_list[j], &wr->sg_list[i], acc); if (!ok) goto bail_inval_free; @@ -457,9 +454,9 @@ static int qib_post_one_send(struct qib_qp *qp, struct ib_send_wr *wr, bail_inval_free: while (j) { - struct qib_sge *sge = &wqe->sg_list[--j]; + struct rvt_sge *sge = &wqe->sg_list[--j]; - qib_put_mr(sge->mr); + rvt_put_mr(sge->mr); } bail_inval: ret = -EINVAL; @@ -485,7 +482,7 @@ bail: static int qib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, struct ib_send_wr **bad_wr) { - struct qib_qp *qp = to_iqp(ibqp); + struct rvt_qp *qp = to_iqp(ibqp); struct qib_qp_priv *priv = qp->priv; int err = 0; int scheduled = 0; @@ -517,8 +514,8 @@ bail: static int qib_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, struct ib_recv_wr **bad_wr) { - struct qib_qp *qp = to_iqp(ibqp); - struct qib_rwq *wq = qp->r_rq.wq; + struct rvt_qp *qp = to_iqp(ibqp); + struct rvt_rwq *wq = qp->r_rq.wq; unsigned long flags; int ret; @@ -530,7 +527,7 @@ static int qib_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, } for (; wr; wr = wr->next) { - struct qib_rwqe *wqe; + struct rvt_rwqe *wqe; u32 next; int i; @@ -581,7 +578,7 @@ bail: * Called at interrupt level. */ static void qib_qp_rcv(struct qib_ctxtdata *rcd, struct qib_ib_header *hdr, - int has_grh, void *data, u32 tlen, struct qib_qp *qp) + int has_grh, void *data, u32 tlen, struct rvt_qp *qp) { struct qib_ibport *ibp = &rcd->ppd->ibport_data; @@ -635,7 +632,7 @@ void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen) struct qib_ibport *ibp = &ppd->ibport_data; struct qib_ib_header *hdr = rhdr; struct qib_other_headers *ohdr; - struct qib_qp *qp; + struct rvt_qp *qp; u32 qp_num; int lnh; u8 opcode; @@ -730,7 +727,7 @@ static void mem_timer(unsigned long data) { struct qib_ibdev *dev = (struct qib_ibdev *) data; struct list_head *list = &dev->memwait; - struct qib_qp *qp = NULL; + struct rvt_qp *qp = NULL; struct qib_qp_priv *priv = NULL; unsigned long flags; @@ -757,9 +754,9 @@ static void mem_timer(unsigned long data) } } -static void update_sge(struct qib_sge_state *ss, u32 length) +static void update_sge(struct rvt_sge_state *ss, u32 length) { - struct qib_sge *sge = &ss->sge; + struct rvt_sge *sge = &ss->sge; sge->vaddr += length; sge->length -= length; @@ -768,7 +765,7 @@ static void update_sge(struct qib_sge_state *ss, u32 length) if (--ss->num_sge) *sge = *ss->sg_list++; } else if (sge->length == 0 && sge->mr->lkey) { - if (++sge->n >= QIB_SEGSZ) { + if (++sge->n >= RVT_SEGSZ) { if (++sge->m >= sge->mr->mapsz) return; sge->n = 0; @@ -814,7 +811,7 @@ static inline u32 clear_upper_bytes(u32 data, u32 n, u32 off) } #endif -static void copy_io(u32 __iomem *piobuf, struct qib_sge_state *ss, +static void copy_io(u32 __iomem *piobuf, struct rvt_sge_state *ss, u32 length, unsigned flush_wc) { u32 extra = 0; @@ -951,7 +948,7 @@ static void copy_io(u32 __iomem *piobuf, struct qib_sge_state *ss, } static noinline struct qib_verbs_txreq *__get_txreq(struct qib_ibdev *dev, - struct qib_qp *qp) + struct rvt_qp *qp) { struct qib_qp_priv *priv = qp->priv; struct qib_verbs_txreq *tx; @@ -983,7 +980,7 @@ static noinline struct qib_verbs_txreq *__get_txreq(struct qib_ibdev *dev, } static inline struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev, - struct qib_qp *qp) + struct rvt_qp *qp) { struct qib_verbs_txreq *tx; unsigned long flags; @@ -1007,7 +1004,7 @@ static inline struct qib_verbs_txreq *get_txreq(struct qib_ibdev *dev, void qib_put_txreq(struct qib_verbs_txreq *tx) { struct qib_ibdev *dev; - struct qib_qp *qp; + struct rvt_qp *qp; struct qib_qp_priv *priv; unsigned long flags; @@ -1017,7 +1014,7 @@ void qib_put_txreq(struct qib_verbs_txreq *tx) if (atomic_dec_and_test(&qp->refcount)) wake_up(&qp->wait); if (tx->mr) { - qib_put_mr(tx->mr); + rvt_put_mr(tx->mr); tx->mr = NULL; } if (tx->txreq.flags & QIB_SDMA_TXREQ_F_FREEBUF) { @@ -1063,9 +1060,9 @@ void qib_put_txreq(struct qib_verbs_txreq *tx) */ void qib_verbs_sdma_desc_avail(struct qib_pportdata *ppd, unsigned avail) { - struct qib_qp *qp, *nqp; + struct rvt_qp *qp, *nqp; struct qib_qp_priv *qpp, *nqpp; - struct qib_qp *qps[20]; + struct rvt_qp *qps[20]; struct qib_ibdev *dev; unsigned i, n; @@ -1111,7 +1108,7 @@ static void sdma_complete(struct qib_sdma_txreq *cookie, int status) { struct qib_verbs_txreq *tx = container_of(cookie, struct qib_verbs_txreq, txreq); - struct qib_qp *qp = tx->qp; + struct rvt_qp *qp = tx->qp; struct qib_qp_priv *priv = qp->priv; spin_lock(&qp->s_lock); @@ -1142,7 +1139,7 @@ static void sdma_complete(struct qib_sdma_txreq *cookie, int status) qib_put_txreq(tx); } -static int wait_kmem(struct qib_ibdev *dev, struct qib_qp *qp) +static int wait_kmem(struct qib_ibdev *dev, struct rvt_qp *qp) { struct qib_qp_priv *priv = qp->priv; unsigned long flags; @@ -1166,8 +1163,8 @@ static int wait_kmem(struct qib_ibdev *dev, struct qib_qp *qp) return ret; } -static int qib_verbs_send_dma(struct qib_qp *qp, struct qib_ib_header *hdr, - u32 hdrwords, struct qib_sge_state *ss, u32 len, +static int qib_verbs_send_dma(struct rvt_qp *qp, struct qib_ib_header *hdr, + u32 hdrwords, struct rvt_sge_state *ss, u32 len, u32 plen, u32 dwords) { struct qib_qp_priv *priv = qp->priv; @@ -1271,7 +1268,7 @@ bail_tx: * If we are now in the error state, return zero to flush the * send work request. */ -static int no_bufs_available(struct qib_qp *qp) +static int no_bufs_available(struct rvt_qp *qp) { struct qib_qp_priv *priv = qp->priv; struct qib_ibdev *dev = to_idev(qp->ibqp.device); @@ -1303,8 +1300,8 @@ static int no_bufs_available(struct qib_qp *qp) return ret; } -static int qib_verbs_send_pio(struct qib_qp *qp, struct qib_ib_header *ibhdr, - u32 hdrwords, struct qib_sge_state *ss, u32 len, +static int qib_verbs_send_pio(struct rvt_qp *qp, struct qib_ib_header *ibhdr, + u32 hdrwords, struct rvt_sge_state *ss, u32 len, u32 plen, u32 dwords) { struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device); @@ -1385,7 +1382,7 @@ done: } qib_sendbuf_done(dd, pbufn); if (qp->s_rdma_mr) { - qib_put_mr(qp->s_rdma_mr); + rvt_put_mr(qp->s_rdma_mr); qp->s_rdma_mr = NULL; } if (qp->s_wqe) { @@ -1411,8 +1408,8 @@ done: * Return zero if packet is sent or queued OK. * Return non-zero and clear qp->s_flags QIB_S_BUSY otherwise. */ -int qib_verbs_send(struct qib_qp *qp, struct qib_ib_header *hdr, - u32 hdrwords, struct qib_sge_state *ss, u32 len) +int qib_verbs_send(struct rvt_qp *qp, struct qib_ib_header *hdr, + u32 hdrwords, struct rvt_sge_state *ss, u32 len) { struct qib_devdata *dd = dd_from_ibdev(qp->ibqp.device); u32 plen; @@ -1544,8 +1541,8 @@ void qib_ib_piobufavail(struct qib_devdata *dd) { struct qib_ibdev *dev = &dd->verbs_dev; struct list_head *list; - struct qib_qp *qps[5]; - struct qib_qp *qp; + struct rvt_qp *qps[5]; + struct rvt_qp *qp; unsigned long flags; unsigned i, n; struct qib_qp_priv *priv; @@ -1617,8 +1614,8 @@ static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *prop props->max_cq = ib_qib_max_cqs; props->max_ah = ib_qib_max_ahs; props->max_cqe = ib_qib_max_cqes; - props->max_mr = dev->lk_table.max; - props->max_fmr = dev->lk_table.max; + props->max_mr = dev->rdi.lkey_table.max; + props->max_fmr = dev->rdi.lkey_table.max; props->max_map_per_fmr = 32767; props->max_pd = dev->rdi.dparms.props.max_pd; props->max_qp_rd_atom = QIB_MAX_RDMA_ATOMIC; @@ -1848,7 +1845,7 @@ struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid) { struct ib_ah_attr attr; struct ib_ah *ah = ERR_PTR(-EINVAL); - struct qib_qp *qp0; + struct rvt_qp *qp0; memset(&attr, 0, sizeof(attr)); attr.dlid = dlid; @@ -2055,7 +2052,7 @@ int qib_register_ib_device(struct qib_devdata *dd) struct qib_ibdev *dev = &dd->verbs_dev; struct ib_device *ibdev = &dev->rdi.ibdev; struct qib_pportdata *ppd = dd->pport; - unsigned i, lk_tab_size; + unsigned i; int ret; dev->qp_table_size = ib_qib_qp_table_size; @@ -2087,29 +2084,6 @@ int qib_register_ib_device(struct qib_devdata *dd) qib_init_qpn_table(dd, &dev->qpn_table); - /* - * The top ib_qib_lkey_table_size bits are used to index the - * table. The lower 8 bits can be owned by the user (copied from - * the LKEY). The remaining bits act as a generation number or tag. - */ - spin_lock_init(&dev->lk_table.lock); - /* insure generation is at least 4 bits see keys.c */ - if (ib_qib_lkey_table_size > MAX_LKEY_TABLE_BITS) { - qib_dev_warn(dd, "lkey bits %u too large, reduced to %u\n", - ib_qib_lkey_table_size, MAX_LKEY_TABLE_BITS); - ib_qib_lkey_table_size = MAX_LKEY_TABLE_BITS; - } - dev->lk_table.max = 1 << ib_qib_lkey_table_size; - lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table); - dev->lk_table.table = (struct qib_mregion __rcu **) - vmalloc(lk_tab_size); - if (dev->lk_table.table == NULL) { - ret = -ENOMEM; - goto err_lk; - } - RCU_INIT_POINTER(dev->dma_mr, NULL); - for (i = 0; i < dev->lk_table.max; i++) - RCU_INIT_POINTER(dev->lk_table.table[i], NULL); INIT_LIST_HEAD(&dev->pending_mmaps); spin_lock_init(&dev->pending_lock); dev->mmap_offset = PAGE_SIZE; @@ -2221,15 +2195,15 @@ int qib_register_ib_device(struct qib_devdata *dd) ibdev->resize_cq = qib_resize_cq; ibdev->poll_cq = qib_poll_cq; ibdev->req_notify_cq = qib_req_notify_cq; - ibdev->get_dma_mr = qib_get_dma_mr; - ibdev->reg_user_mr = qib_reg_user_mr; - ibdev->dereg_mr = qib_dereg_mr; - ibdev->alloc_mr = qib_alloc_mr; - ibdev->map_mr_sg = qib_map_mr_sg; - ibdev->alloc_fmr = qib_alloc_fmr; - ibdev->map_phys_fmr = qib_map_phys_fmr; - ibdev->unmap_fmr = qib_unmap_fmr; - ibdev->dealloc_fmr = qib_dealloc_fmr; + ibdev->get_dma_mr = NULL; + ibdev->reg_user_mr = NULL; + ibdev->dereg_mr = NULL; + ibdev->alloc_mr = NULL; + ibdev->map_mr_sg = NULL; + ibdev->alloc_fmr = NULL; + ibdev->map_phys_fmr = NULL; + ibdev->unmap_fmr = NULL; + ibdev->dealloc_fmr = NULL; ibdev->attach_mcast = qib_multicast_attach; ibdev->detach_mcast = qib_multicast_detach; ibdev->process_mad = qib_process_mad; @@ -2247,10 +2221,9 @@ int qib_register_ib_device(struct qib_devdata *dd) dd->verbs_dev.rdi.driver_f.get_card_name = qib_get_card_name; dd->verbs_dev.rdi.driver_f.get_pci_dev = qib_get_pci_dev; dd->verbs_dev.rdi.dparms.props.max_pd = ib_qib_max_pds; - dd->verbs_dev.rdi.flags = (RVT_FLAG_MR_INIT_DRIVER | - RVT_FLAG_QP_INIT_DRIVER | + dd->verbs_dev.rdi.flags = (RVT_FLAG_QP_INIT_DRIVER | RVT_FLAG_CQ_INIT_DRIVER); - + dd->verbs_dev.rdi.dparms.lkey_table_size = qib_lkey_table_size; ret = rvt_register_device(&dd->verbs_dev.rdi); if (ret) @@ -2286,8 +2259,6 @@ err_tx: sizeof(struct qib_pio_header), dev->pio_hdrs, dev->pio_hdrs_phys); err_hdrs: - vfree(dev->lk_table.table); -err_lk: kfree(dev->qp_table); err_qpt: qib_dev_err(dd, "cannot register verbs: %d!\n", -ret); @@ -2299,7 +2270,6 @@ void qib_unregister_ib_device(struct qib_devdata *dd) { struct qib_ibdev *dev = &dd->verbs_dev; u32 qps_inuse; - unsigned lk_tab_size; qib_verbs_unregister_sysfs(dd); @@ -2315,8 +2285,6 @@ void qib_unregister_ib_device(struct qib_devdata *dd) qib_dev_err(dd, "txwait list not empty!\n"); if (!list_empty(&dev->memwait)) qib_dev_err(dd, "memwait list not empty!\n"); - if (dev->dma_mr) - qib_dev_err(dd, "DMA MR not NULL!\n"); qps_inuse = qib_free_all_qps(dd); if (qps_inuse) @@ -2338,15 +2306,13 @@ void qib_unregister_ib_device(struct qib_devdata *dd) dd->pport->sdma_descq_cnt * sizeof(struct qib_pio_header), dev->pio_hdrs, dev->pio_hdrs_phys); - lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table); - vfree(dev->lk_table.table); kfree(dev->qp_table); } /* * This must be called with s_lock held. */ -void qib_schedule_send(struct qib_qp *qp) +void qib_schedule_send(struct rvt_qp *qp) { struct qib_qp_priv *priv = qp->priv; if (qib_send_ok(qp)) { |