163fa15dbSBob Pearson // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
28700e3e7SMoni Shoua /*
38700e3e7SMoni Shoua * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
48700e3e7SMoni Shoua * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
58700e3e7SMoni Shoua */
68700e3e7SMoni Shoua
70bbb3b74SBart Van Assche #include <linux/dma-mapping.h>
84d6f2859SYuval Shaia #include <net/addrconf.h>
989944450SShamir Rabinovitch #include <rdma/uverbs_ioctl.h>
100b1fbfb9SBob Pearson
118700e3e7SMoni Shoua #include "rxe.h"
128700e3e7SMoni Shoua #include "rxe_queue.h"
130b1e5b99SYonatan Cohen #include "rxe_hw_counters.h"
148700e3e7SMoni Shoua
155bf944f2SBob Pearson static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr);
165bf944f2SBob Pearson
175bf944f2SBob Pearson /* dev */
rxe_query_device(struct ib_device * ibdev,struct ib_device_attr * attr,struct ib_udata * udata)185bf944f2SBob Pearson static int rxe_query_device(struct ib_device *ibdev,
198700e3e7SMoni Shoua struct ib_device_attr *attr,
205bf944f2SBob Pearson struct ib_udata *udata)
218700e3e7SMoni Shoua {
225bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
235bf944f2SBob Pearson int err;
248700e3e7SMoni Shoua
255bf944f2SBob Pearson if (udata->inlen || udata->outlen) {
265bf944f2SBob Pearson rxe_dbg_dev(rxe, "malformed udata");
275bf944f2SBob Pearson err = -EINVAL;
285bf944f2SBob Pearson goto err_out;
298700e3e7SMoni Shoua }
308700e3e7SMoni Shoua
315bf944f2SBob Pearson memcpy(attr, &rxe->attr, sizeof(*attr));
325bf944f2SBob Pearson
335bf944f2SBob Pearson return 0;
345bf944f2SBob Pearson
355bf944f2SBob Pearson err_out:
365bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
375bf944f2SBob Pearson return err;
385bf944f2SBob Pearson }
395bf944f2SBob Pearson
rxe_query_port(struct ib_device * ibdev,u32 port_num,struct ib_port_attr * attr)405bf944f2SBob Pearson static int rxe_query_port(struct ib_device *ibdev,
411fb7f897SMark Bloch u32 port_num, struct ib_port_attr *attr)
428700e3e7SMoni Shoua {
435bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
445bf944f2SBob Pearson int err, ret;
458700e3e7SMoni Shoua
465bf944f2SBob Pearson if (port_num != 1) {
475bf944f2SBob Pearson err = -EINVAL;
485bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
495bf944f2SBob Pearson goto err_out;
505bf944f2SBob Pearson }
515bf944f2SBob Pearson
525bf944f2SBob Pearson memcpy(attr, &rxe->port.attr, sizeof(*attr));
538700e3e7SMoni Shoua
548700e3e7SMoni Shoua mutex_lock(&rxe->usdev_lock);
555bf944f2SBob Pearson ret = ib_get_eth_speed(ibdev, port_num, &attr->active_speed,
56e404f945SParav Pandit &attr->active_width);
575736c7c4SAndrew Boyer
585736c7c4SAndrew Boyer if (attr->state == IB_PORT_ACTIVE)
5972a7720fSKamal Heib attr->phys_state = IB_PORT_PHYS_STATE_LINK_UP;
605736c7c4SAndrew Boyer else if (dev_get_flags(rxe->ndev) & IFF_UP)
6172a7720fSKamal Heib attr->phys_state = IB_PORT_PHYS_STATE_POLLING;
625736c7c4SAndrew Boyer else
6372a7720fSKamal Heib attr->phys_state = IB_PORT_PHYS_STATE_DISABLED;
645736c7c4SAndrew Boyer
658700e3e7SMoni Shoua mutex_unlock(&rxe->usdev_lock);
668700e3e7SMoni Shoua
675bf944f2SBob Pearson return ret;
685bf944f2SBob Pearson
695bf944f2SBob Pearson err_out:
705bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
715bf944f2SBob Pearson return err;
728700e3e7SMoni Shoua }
738700e3e7SMoni Shoua
rxe_query_pkey(struct ib_device * ibdev,u32 port_num,u16 index,u16 * pkey)745bf944f2SBob Pearson static int rxe_query_pkey(struct ib_device *ibdev,
751fb7f897SMark Bloch u32 port_num, u16 index, u16 *pkey)
768700e3e7SMoni Shoua {
775bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
785bf944f2SBob Pearson int err;
795bf944f2SBob Pearson
805bf944f2SBob Pearson if (index != 0) {
815bf944f2SBob Pearson err = -EINVAL;
825bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad pkey index = %d", index);
835bf944f2SBob Pearson goto err_out;
845bf944f2SBob Pearson }
8576251e15SKamal Heib
8676251e15SKamal Heib *pkey = IB_DEFAULT_PKEY_FULL;
8776251e15SKamal Heib return 0;
885bf944f2SBob Pearson
895bf944f2SBob Pearson err_out:
905bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
915bf944f2SBob Pearson return err;
928700e3e7SMoni Shoua }
938700e3e7SMoni Shoua
rxe_modify_device(struct ib_device * ibdev,int mask,struct ib_device_modify * attr)945bf944f2SBob Pearson static int rxe_modify_device(struct ib_device *ibdev,
958700e3e7SMoni Shoua int mask, struct ib_device_modify *attr)
968700e3e7SMoni Shoua {
975bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
985bf944f2SBob Pearson int err;
998700e3e7SMoni Shoua
100f3fceba5SKamal Heib if (mask & ~(IB_DEVICE_MODIFY_SYS_IMAGE_GUID |
1015bf944f2SBob Pearson IB_DEVICE_MODIFY_NODE_DESC)) {
1025bf944f2SBob Pearson err = -EOPNOTSUPP;
1035bf944f2SBob Pearson rxe_dbg_dev(rxe, "unsupported mask = 0x%x", mask);
1045bf944f2SBob Pearson goto err_out;
1055bf944f2SBob Pearson }
106f3fceba5SKamal Heib
1078700e3e7SMoni Shoua if (mask & IB_DEVICE_MODIFY_SYS_IMAGE_GUID)
1088700e3e7SMoni Shoua rxe->attr.sys_image_guid = cpu_to_be64(attr->sys_image_guid);
1098700e3e7SMoni Shoua
1108700e3e7SMoni Shoua if (mask & IB_DEVICE_MODIFY_NODE_DESC) {
1118700e3e7SMoni Shoua memcpy(rxe->ib_dev.node_desc,
1128700e3e7SMoni Shoua attr->node_desc, sizeof(rxe->ib_dev.node_desc));
1138700e3e7SMoni Shoua }
1148700e3e7SMoni Shoua
1158700e3e7SMoni Shoua return 0;
1165bf944f2SBob Pearson
1175bf944f2SBob Pearson err_out:
1185bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
1195bf944f2SBob Pearson return err;
1208700e3e7SMoni Shoua }
1218700e3e7SMoni Shoua
rxe_modify_port(struct ib_device * ibdev,u32 port_num,int mask,struct ib_port_modify * attr)1225bf944f2SBob Pearson static int rxe_modify_port(struct ib_device *ibdev, u32 port_num,
1235bf944f2SBob Pearson int mask, struct ib_port_modify *attr)
1248700e3e7SMoni Shoua {
1255bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
1268700e3e7SMoni Shoua struct rxe_port *port;
1275bf944f2SBob Pearson int err;
1285bf944f2SBob Pearson
1295bf944f2SBob Pearson if (port_num != 1) {
1305bf944f2SBob Pearson err = -EINVAL;
1315bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
1325bf944f2SBob Pearson goto err_out;
1335bf944f2SBob Pearson }
1345bf944f2SBob Pearson
1355bf944f2SBob Pearson //TODO is shutdown useful
1365bf944f2SBob Pearson if (mask & ~(IB_PORT_RESET_QKEY_CNTR)) {
1375bf944f2SBob Pearson err = -EOPNOTSUPP;
1385bf944f2SBob Pearson rxe_dbg_dev(rxe, "unsupported mask = 0x%x", mask);
1395bf944f2SBob Pearson goto err_out;
1405bf944f2SBob Pearson }
1418700e3e7SMoni Shoua
1428700e3e7SMoni Shoua port = &rxe->port;
1438700e3e7SMoni Shoua port->attr.port_cap_flags |= attr->set_port_cap_mask;
1448700e3e7SMoni Shoua port->attr.port_cap_flags &= ~attr->clr_port_cap_mask;
1458700e3e7SMoni Shoua
1468700e3e7SMoni Shoua if (mask & IB_PORT_RESET_QKEY_CNTR)
1478700e3e7SMoni Shoua port->attr.qkey_viol_cntr = 0;
1488700e3e7SMoni Shoua
1498700e3e7SMoni Shoua return 0;
1505bf944f2SBob Pearson
1515bf944f2SBob Pearson err_out:
1525bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
1535bf944f2SBob Pearson return err;
1548700e3e7SMoni Shoua }
1558700e3e7SMoni Shoua
rxe_get_link_layer(struct ib_device * ibdev,u32 port_num)1565bf944f2SBob Pearson static enum rdma_link_layer rxe_get_link_layer(struct ib_device *ibdev,
1571fb7f897SMark Bloch u32 port_num)
1588700e3e7SMoni Shoua {
1595bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
1605bf944f2SBob Pearson int err;
1615bf944f2SBob Pearson
1625bf944f2SBob Pearson if (port_num != 1) {
1635bf944f2SBob Pearson err = -EINVAL;
1645bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
1655bf944f2SBob Pearson goto err_out;
1665bf944f2SBob Pearson }
1675bf944f2SBob Pearson
168420bd9e2SKamal Heib return IB_LINK_LAYER_ETHERNET;
1695bf944f2SBob Pearson
1705bf944f2SBob Pearson err_out:
1715bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
1725bf944f2SBob Pearson return err;
1738700e3e7SMoni Shoua }
1748700e3e7SMoni Shoua
rxe_port_immutable(struct ib_device * ibdev,u32 port_num,struct ib_port_immutable * immutable)1755bf944f2SBob Pearson static int rxe_port_immutable(struct ib_device *ibdev, u32 port_num,
1768700e3e7SMoni Shoua struct ib_port_immutable *immutable)
1778700e3e7SMoni Shoua {
1785bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibdev);
1795bf944f2SBob Pearson struct ib_port_attr attr = {};
1808700e3e7SMoni Shoua int err;
1815bf944f2SBob Pearson
1825bf944f2SBob Pearson if (port_num != 1) {
1835bf944f2SBob Pearson err = -EINVAL;
1845bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
1855bf944f2SBob Pearson goto err_out;
1865bf944f2SBob Pearson }
1875bf944f2SBob Pearson
1885bf944f2SBob Pearson err = ib_query_port(ibdev, port_num, &attr);
1895bf944f2SBob Pearson if (err)
1905bf944f2SBob Pearson goto err_out;
1918700e3e7SMoni Shoua
192c4550c63SOr Gerlitz immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
1938700e3e7SMoni Shoua immutable->pkey_tbl_len = attr.pkey_tbl_len;
1948700e3e7SMoni Shoua immutable->gid_tbl_len = attr.gid_tbl_len;
1958700e3e7SMoni Shoua immutable->max_mad_size = IB_MGMT_MAD_SIZE;
1968700e3e7SMoni Shoua
1978700e3e7SMoni Shoua return 0;
1985bf944f2SBob Pearson
1995bf944f2SBob Pearson err_out:
2005bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
2015bf944f2SBob Pearson return err;
2028700e3e7SMoni Shoua }
2038700e3e7SMoni Shoua
2045bf944f2SBob Pearson /* uc */
rxe_alloc_ucontext(struct ib_ucontext * ibuc,struct ib_udata * udata)2055bf944f2SBob Pearson static int rxe_alloc_ucontext(struct ib_ucontext *ibuc, struct ib_udata *udata)
2065bf944f2SBob Pearson {
2075bf944f2SBob Pearson struct rxe_dev *rxe = to_rdev(ibuc->device);
2085bf944f2SBob Pearson struct rxe_ucontext *uc = to_ruc(ibuc);
2095bf944f2SBob Pearson int err;
2105bf944f2SBob Pearson
2115bf944f2SBob Pearson err = rxe_add_to_pool(&rxe->uc_pool, uc);
2125bf944f2SBob Pearson if (err)
2135bf944f2SBob Pearson rxe_err_dev(rxe, "unable to create uc");
2145bf944f2SBob Pearson
2155bf944f2SBob Pearson return err;
2165bf944f2SBob Pearson }
2175bf944f2SBob Pearson
rxe_dealloc_ucontext(struct ib_ucontext * ibuc)2185bf944f2SBob Pearson static void rxe_dealloc_ucontext(struct ib_ucontext *ibuc)
2195bf944f2SBob Pearson {
2205bf944f2SBob Pearson struct rxe_ucontext *uc = to_ruc(ibuc);
2215bf944f2SBob Pearson int err;
2225bf944f2SBob Pearson
2235bf944f2SBob Pearson err = rxe_cleanup(uc);
2245bf944f2SBob Pearson if (err)
2255bf944f2SBob Pearson rxe_err_uc(uc, "cleanup failed, err = %d", err);
2265bf944f2SBob Pearson }
2275bf944f2SBob Pearson
2285bf944f2SBob Pearson /* pd */
rxe_alloc_pd(struct ib_pd * ibpd,struct ib_udata * udata)229ff23dfa1SShamir Rabinovitch static int rxe_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
2308700e3e7SMoni Shoua {
23121a428a0SLeon Romanovsky struct rxe_dev *rxe = to_rdev(ibpd->device);
23221a428a0SLeon Romanovsky struct rxe_pd *pd = to_rpd(ibpd);
2335bf944f2SBob Pearson int err;
2348700e3e7SMoni Shoua
2355bf944f2SBob Pearson err = rxe_add_to_pool(&rxe->pd_pool, pd);
2365bf944f2SBob Pearson if (err) {
2375bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to alloc pd");
2385bf944f2SBob Pearson goto err_out;
2395bf944f2SBob Pearson }
2405bf944f2SBob Pearson
2415bf944f2SBob Pearson return 0;
2425bf944f2SBob Pearson
2435bf944f2SBob Pearson err_out:
2445bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
2455bf944f2SBob Pearson return err;
2468700e3e7SMoni Shoua }
2478700e3e7SMoni Shoua
rxe_dealloc_pd(struct ib_pd * ibpd,struct ib_udata * udata)24891a7c58fSLeon Romanovsky static int rxe_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
2498700e3e7SMoni Shoua {
2508700e3e7SMoni Shoua struct rxe_pd *pd = to_rpd(ibpd);
2515bf944f2SBob Pearson int err;
2528700e3e7SMoni Shoua
2535bf944f2SBob Pearson err = rxe_cleanup(pd);
2545bf944f2SBob Pearson if (err)
2555bf944f2SBob Pearson rxe_err_pd(pd, "cleanup failed, err = %d", err);
2565bf944f2SBob Pearson
25791a7c58fSLeon Romanovsky return 0;
2588700e3e7SMoni Shoua }
2598700e3e7SMoni Shoua
2605bf944f2SBob Pearson /* ah */
rxe_create_ah(struct ib_ah * ibah,struct rdma_ah_init_attr * init_attr,struct ib_udata * udata)261fa5d010cSMaor Gottlieb static int rxe_create_ah(struct ib_ah *ibah,
262fa5d010cSMaor Gottlieb struct rdma_ah_init_attr *init_attr,
263fa5d010cSMaor Gottlieb struct ib_udata *udata)
2648700e3e7SMoni Shoua {
265d3456914SLeon Romanovsky struct rxe_dev *rxe = to_rdev(ibah->device);
266d3456914SLeon Romanovsky struct rxe_ah *ah = to_rah(ibah);
26773a54932SBob Pearson struct rxe_create_ah_resp __user *uresp = NULL;
2685bf944f2SBob Pearson int err, cleanup_err;
26973a54932SBob Pearson
27073a54932SBob Pearson if (udata) {
27173a54932SBob Pearson /* test if new user provider */
27273a54932SBob Pearson if (udata->outlen >= sizeof(*uresp))
27373a54932SBob Pearson uresp = udata->outbuf;
27473a54932SBob Pearson ah->is_user = true;
27573a54932SBob Pearson } else {
27673a54932SBob Pearson ah->is_user = false;
27773a54932SBob Pearson }
2788700e3e7SMoni Shoua
279215d0a75SBob Pearson err = rxe_add_to_pool_ah(&rxe->ah_pool, ah,
280215d0a75SBob Pearson init_attr->flags & RDMA_CREATE_AH_SLEEPABLE);
2815bf944f2SBob Pearson if (err) {
2825bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to create ah");
2835bf944f2SBob Pearson goto err_out;
2845bf944f2SBob Pearson }
2858700e3e7SMoni Shoua
28673a54932SBob Pearson /* create index > 0 */
28702827b67SBob Pearson ah->ah_num = ah->elem.index;
28873a54932SBob Pearson
28925fd735aSBob Pearson err = rxe_ah_chk_attr(ah, init_attr->ah_attr);
29025fd735aSBob Pearson if (err) {
2915bf944f2SBob Pearson rxe_dbg_ah(ah, "bad attr");
2925bf944f2SBob Pearson goto err_cleanup;
29325fd735aSBob Pearson }
29425fd735aSBob Pearson
29573a54932SBob Pearson if (uresp) {
29673a54932SBob Pearson /* only if new user provider */
29773a54932SBob Pearson err = copy_to_user(&uresp->ah_num, &ah->ah_num,
29873a54932SBob Pearson sizeof(uresp->ah_num));
29973a54932SBob Pearson if (err) {
3005bf944f2SBob Pearson err = -EFAULT;
3015bf944f2SBob Pearson rxe_dbg_ah(ah, "unable to copy to user");
3025bf944f2SBob Pearson goto err_cleanup;
30373a54932SBob Pearson }
30473a54932SBob Pearson } else if (ah->is_user) {
30573a54932SBob Pearson /* only if old user provider */
30673a54932SBob Pearson ah->ah_num = 0;
30773a54932SBob Pearson }
30873a54932SBob Pearson
309fa5d010cSMaor Gottlieb rxe_init_av(init_attr->ah_attr, &ah->av);
310215d0a75SBob Pearson rxe_finalize(ah);
311215d0a75SBob Pearson
312d3456914SLeon Romanovsky return 0;
3135bf944f2SBob Pearson
3145bf944f2SBob Pearson err_cleanup:
3155bf944f2SBob Pearson cleanup_err = rxe_cleanup(ah);
3165bf944f2SBob Pearson if (cleanup_err)
3175bf944f2SBob Pearson rxe_err_ah(ah, "cleanup failed, err = %d", cleanup_err);
3185bf944f2SBob Pearson err_out:
3195bf944f2SBob Pearson rxe_err_ah(ah, "returned err = %d", err);
3205bf944f2SBob Pearson return err;
3218700e3e7SMoni Shoua }
3228700e3e7SMoni Shoua
rxe_modify_ah(struct ib_ah * ibah,struct rdma_ah_attr * attr)32390898850SDasaratharaman Chandramouli static int rxe_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
3248700e3e7SMoni Shoua {
3258700e3e7SMoni Shoua struct rxe_ah *ah = to_rah(ibah);
3265bf944f2SBob Pearson int err;
3278700e3e7SMoni Shoua
32825fd735aSBob Pearson err = rxe_ah_chk_attr(ah, attr);
3295bf944f2SBob Pearson if (err) {
3305bf944f2SBob Pearson rxe_dbg_ah(ah, "bad attr");
3315bf944f2SBob Pearson goto err_out;
3325bf944f2SBob Pearson }
3338700e3e7SMoni Shoua
334fa407188SKamal Heib rxe_init_av(attr, &ah->av);
3355bf944f2SBob Pearson
3368700e3e7SMoni Shoua return 0;
3375bf944f2SBob Pearson
3385bf944f2SBob Pearson err_out:
3395bf944f2SBob Pearson rxe_err_ah(ah, "returned err = %d", err);
3405bf944f2SBob Pearson return err;
3418700e3e7SMoni Shoua }
3428700e3e7SMoni Shoua
rxe_query_ah(struct ib_ah * ibah,struct rdma_ah_attr * attr)34390898850SDasaratharaman Chandramouli static int rxe_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
3448700e3e7SMoni Shoua {
3458700e3e7SMoni Shoua struct rxe_ah *ah = to_rah(ibah);
3468700e3e7SMoni Shoua
347eca7ddf9SDasaratharaman Chandramouli memset(attr, 0, sizeof(*attr));
34844c58487SDasaratharaman Chandramouli attr->type = ibah->type;
3499c96f3d4SZhu Yanjun rxe_av_to_attr(&ah->av, attr);
3505bf944f2SBob Pearson
3518700e3e7SMoni Shoua return 0;
3528700e3e7SMoni Shoua }
3538700e3e7SMoni Shoua
rxe_destroy_ah(struct ib_ah * ibah,u32 flags)3549a9ebf8cSLeon Romanovsky static int rxe_destroy_ah(struct ib_ah *ibah, u32 flags)
3558700e3e7SMoni Shoua {
3568700e3e7SMoni Shoua struct rxe_ah *ah = to_rah(ibah);
3575bf944f2SBob Pearson int err;
3588700e3e7SMoni Shoua
3595bf944f2SBob Pearson err = rxe_cleanup_ah(ah, flags & RDMA_DESTROY_AH_SLEEPABLE);
3605bf944f2SBob Pearson if (err)
3615bf944f2SBob Pearson rxe_err_ah(ah, "cleanup failed, err = %d", err);
362215d0a75SBob Pearson
3639a9ebf8cSLeon Romanovsky return 0;
3648700e3e7SMoni Shoua }
3658700e3e7SMoni Shoua
3665bf944f2SBob Pearson /* srq */
rxe_create_srq(struct ib_srq * ibsrq,struct ib_srq_init_attr * init,struct ib_udata * udata)36768e326deSLeon Romanovsky static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
3688700e3e7SMoni Shoua struct ib_udata *udata)
3698700e3e7SMoni Shoua {
37068e326deSLeon Romanovsky struct rxe_dev *rxe = to_rdev(ibsrq->device);
37168e326deSLeon Romanovsky struct rxe_pd *pd = to_rpd(ibsrq->pd);
37268e326deSLeon Romanovsky struct rxe_srq *srq = to_rsrq(ibsrq);
3730c43ab37SJason Gunthorpe struct rxe_create_srq_resp __user *uresp = NULL;
3745bf944f2SBob Pearson int err, cleanup_err;
3750c43ab37SJason Gunthorpe
3760c43ab37SJason Gunthorpe if (udata) {
3775bf944f2SBob Pearson if (udata->outlen < sizeof(*uresp)) {
3785bf944f2SBob Pearson err = -EINVAL;
3795bf944f2SBob Pearson rxe_err_dev(rxe, "malformed udata");
3805bf944f2SBob Pearson goto err_out;
3815bf944f2SBob Pearson }
3820c43ab37SJason Gunthorpe uresp = udata->outbuf;
3830c43ab37SJason Gunthorpe }
3848700e3e7SMoni Shoua
3855bf944f2SBob Pearson if (init->srq_type != IB_SRQT_BASIC) {
3865bf944f2SBob Pearson err = -EOPNOTSUPP;
3875bf944f2SBob Pearson rxe_dbg_dev(rxe, "srq type = %d, not supported",
3885bf944f2SBob Pearson init->srq_type);
3895bf944f2SBob Pearson goto err_out;
3905bf944f2SBob Pearson }
391b2a41678SBob Pearson
3920b1fbfb9SBob Pearson err = rxe_srq_chk_init(rxe, init);
3935bf944f2SBob Pearson if (err) {
3945bf944f2SBob Pearson rxe_dbg_dev(rxe, "invalid init attributes");
3955bf944f2SBob Pearson goto err_out;
3965bf944f2SBob Pearson }
3978700e3e7SMoni Shoua
39891a42c5bSBob Pearson err = rxe_add_to_pool(&rxe->srq_pool, srq);
3995bf944f2SBob Pearson if (err) {
4005bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to create srq, err = %d", err);
4015bf944f2SBob Pearson goto err_out;
4025bf944f2SBob Pearson }
4038700e3e7SMoni Shoua
4043197706aSBob Pearson rxe_get(pd);
4058700e3e7SMoni Shoua srq->pd = pd;
4068700e3e7SMoni Shoua
407ff23dfa1SShamir Rabinovitch err = rxe_srq_from_init(rxe, srq, init, udata, uresp);
4085bf944f2SBob Pearson if (err) {
4095bf944f2SBob Pearson rxe_dbg_srq(srq, "create srq failed, err = %d", err);
410215d0a75SBob Pearson goto err_cleanup;
4115bf944f2SBob Pearson }
4128700e3e7SMoni Shoua
41368e326deSLeon Romanovsky return 0;
4148700e3e7SMoni Shoua
415215d0a75SBob Pearson err_cleanup:
4165bf944f2SBob Pearson cleanup_err = rxe_cleanup(srq);
4175bf944f2SBob Pearson if (cleanup_err)
4185bf944f2SBob Pearson rxe_err_srq(srq, "cleanup failed, err = %d", cleanup_err);
4195bf944f2SBob Pearson err_out:
4205bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
42168e326deSLeon Romanovsky return err;
4228700e3e7SMoni Shoua }
4238700e3e7SMoni Shoua
rxe_modify_srq(struct ib_srq * ibsrq,struct ib_srq_attr * attr,enum ib_srq_attr_mask mask,struct ib_udata * udata)4248700e3e7SMoni Shoua static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
4258700e3e7SMoni Shoua enum ib_srq_attr_mask mask,
4268700e3e7SMoni Shoua struct ib_udata *udata)
4278700e3e7SMoni Shoua {
4288700e3e7SMoni Shoua struct rxe_srq *srq = to_rsrq(ibsrq);
4298700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibsrq->device);
4305bf944f2SBob Pearson struct rxe_modify_srq_cmd cmd = {};
4315bf944f2SBob Pearson int err;
4320c43ab37SJason Gunthorpe
4330c43ab37SJason Gunthorpe if (udata) {
4345bf944f2SBob Pearson if (udata->inlen < sizeof(cmd)) {
4355bf944f2SBob Pearson err = -EINVAL;
4365bf944f2SBob Pearson rxe_dbg_srq(srq, "malformed udata");
4375bf944f2SBob Pearson goto err_out;
4385bf944f2SBob Pearson }
4390c43ab37SJason Gunthorpe
4405bf944f2SBob Pearson err = ib_copy_from_udata(&cmd, udata, sizeof(cmd));
4415bf944f2SBob Pearson if (err) {
4425bf944f2SBob Pearson err = -EFAULT;
4435bf944f2SBob Pearson rxe_dbg_srq(srq, "unable to read udata");
4445bf944f2SBob Pearson goto err_out;
4455bf944f2SBob Pearson }
4460c43ab37SJason Gunthorpe }
4478700e3e7SMoni Shoua
4488700e3e7SMoni Shoua err = rxe_srq_chk_attr(rxe, srq, attr, mask);
4495bf944f2SBob Pearson if (err) {
4505bf944f2SBob Pearson rxe_dbg_srq(srq, "bad init attributes");
4515bf944f2SBob Pearson goto err_out;
4525bf944f2SBob Pearson }
4538700e3e7SMoni Shoua
4545bf944f2SBob Pearson err = rxe_srq_from_attr(rxe, srq, attr, mask, &cmd, udata);
4555bf944f2SBob Pearson if (err) {
4565bf944f2SBob Pearson rxe_dbg_srq(srq, "bad attr");
4575bf944f2SBob Pearson goto err_out;
4585bf944f2SBob Pearson }
4595bf944f2SBob Pearson
4605bf944f2SBob Pearson return 0;
4615bf944f2SBob Pearson
4625bf944f2SBob Pearson err_out:
4635bf944f2SBob Pearson rxe_err_srq(srq, "returned err = %d", err);
4645bf944f2SBob Pearson return err;
4658700e3e7SMoni Shoua }
4668700e3e7SMoni Shoua
rxe_query_srq(struct ib_srq * ibsrq,struct ib_srq_attr * attr)4678700e3e7SMoni Shoua static int rxe_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
4688700e3e7SMoni Shoua {
4698700e3e7SMoni Shoua struct rxe_srq *srq = to_rsrq(ibsrq);
4705bf944f2SBob Pearson int err;
4718700e3e7SMoni Shoua
4725bf944f2SBob Pearson if (srq->error) {
4735bf944f2SBob Pearson err = -EINVAL;
4745bf944f2SBob Pearson rxe_dbg_srq(srq, "srq in error state");
4755bf944f2SBob Pearson goto err_out;
4765bf944f2SBob Pearson }
4778700e3e7SMoni Shoua
4788700e3e7SMoni Shoua attr->max_wr = srq->rq.queue->buf->index_mask;
4798700e3e7SMoni Shoua attr->max_sge = srq->rq.max_sge;
4808700e3e7SMoni Shoua attr->srq_limit = srq->limit;
4818700e3e7SMoni Shoua return 0;
4828700e3e7SMoni Shoua
4835bf944f2SBob Pearson err_out:
4845bf944f2SBob Pearson rxe_err_srq(srq, "returned err = %d", err);
4855bf944f2SBob Pearson return err;
4868700e3e7SMoni Shoua }
4878700e3e7SMoni Shoua
rxe_post_srq_recv(struct ib_srq * ibsrq,const struct ib_recv_wr * wr,const struct ib_recv_wr ** bad_wr)488d34ac5cdSBart Van Assche static int rxe_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
489d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr)
4908700e3e7SMoni Shoua {
4918700e3e7SMoni Shoua int err = 0;
4928700e3e7SMoni Shoua struct rxe_srq *srq = to_rsrq(ibsrq);
493a099b085SBob Pearson unsigned long flags;
4948700e3e7SMoni Shoua
495a099b085SBob Pearson spin_lock_irqsave(&srq->rq.producer_lock, flags);
4968700e3e7SMoni Shoua
4978700e3e7SMoni Shoua while (wr) {
4988700e3e7SMoni Shoua err = post_one_recv(&srq->rq, wr);
4998700e3e7SMoni Shoua if (unlikely(err))
5008700e3e7SMoni Shoua break;
5018700e3e7SMoni Shoua wr = wr->next;
5028700e3e7SMoni Shoua }
5038700e3e7SMoni Shoua
504a099b085SBob Pearson spin_unlock_irqrestore(&srq->rq.producer_lock, flags);
5058700e3e7SMoni Shoua
5065bf944f2SBob Pearson if (err) {
5078700e3e7SMoni Shoua *bad_wr = wr;
5085bf944f2SBob Pearson rxe_err_srq(srq, "returned err = %d", err);
5095bf944f2SBob Pearson }
5108700e3e7SMoni Shoua
5118700e3e7SMoni Shoua return err;
5128700e3e7SMoni Shoua }
5138700e3e7SMoni Shoua
rxe_destroy_srq(struct ib_srq * ibsrq,struct ib_udata * udata)5145bf944f2SBob Pearson static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
5155bf944f2SBob Pearson {
5165bf944f2SBob Pearson struct rxe_srq *srq = to_rsrq(ibsrq);
5175bf944f2SBob Pearson int err;
5185bf944f2SBob Pearson
5195bf944f2SBob Pearson err = rxe_cleanup(srq);
5205bf944f2SBob Pearson if (err)
5215bf944f2SBob Pearson rxe_err_srq(srq, "cleanup failed, err = %d", err);
5225bf944f2SBob Pearson
5235bf944f2SBob Pearson return 0;
5245bf944f2SBob Pearson }
5255bf944f2SBob Pearson
5265bf944f2SBob Pearson /* qp */
rxe_create_qp(struct ib_qp * ibqp,struct ib_qp_init_attr * init,struct ib_udata * udata)527514aee66SLeon Romanovsky static int rxe_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init,
5288700e3e7SMoni Shoua struct ib_udata *udata)
5298700e3e7SMoni Shoua {
530514aee66SLeon Romanovsky struct rxe_dev *rxe = to_rdev(ibqp->device);
531514aee66SLeon Romanovsky struct rxe_pd *pd = to_rpd(ibqp->pd);
532514aee66SLeon Romanovsky struct rxe_qp *qp = to_rqp(ibqp);
5330c43ab37SJason Gunthorpe struct rxe_create_qp_resp __user *uresp = NULL;
5345bf944f2SBob Pearson int err, cleanup_err;
5350c43ab37SJason Gunthorpe
5360c43ab37SJason Gunthorpe if (udata) {
5375bf944f2SBob Pearson if (udata->inlen) {
5385bf944f2SBob Pearson err = -EINVAL;
5395bf944f2SBob Pearson rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
5405bf944f2SBob Pearson goto err_out;
5410c43ab37SJason Gunthorpe }
5428700e3e7SMoni Shoua
5435bf944f2SBob Pearson if (udata->outlen < sizeof(*uresp)) {
5445bf944f2SBob Pearson err = -EINVAL;
5455bf944f2SBob Pearson rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
5465bf944f2SBob Pearson goto err_out;
5475bf944f2SBob Pearson }
548514aee66SLeon Romanovsky
5495bcf5a59SBob Pearson qp->is_user = true;
5505bf944f2SBob Pearson uresp = udata->outbuf;
5515bcf5a59SBob Pearson } else {
5525bcf5a59SBob Pearson qp->is_user = false;
5538700e3e7SMoni Shoua }
5548700e3e7SMoni Shoua
5555bf944f2SBob Pearson if (init->create_flags) {
5565bf944f2SBob Pearson err = -EOPNOTSUPP;
5575bf944f2SBob Pearson rxe_dbg_dev(rxe, "unsupported create_flags, err = %d", err);
5585bf944f2SBob Pearson goto err_out;
5595bf944f2SBob Pearson }
5605bf944f2SBob Pearson
5615bf944f2SBob Pearson err = rxe_qp_chk_init(rxe, init);
5625bf944f2SBob Pearson if (err) {
5635bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad init attr, err = %d", err);
5645bf944f2SBob Pearson goto err_out;
5655bf944f2SBob Pearson }
5665bf944f2SBob Pearson
567514aee66SLeon Romanovsky err = rxe_add_to_pool(&rxe->qp_pool, qp);
5685bf944f2SBob Pearson if (err) {
5695bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to create qp, err = %d", err);
5705bf944f2SBob Pearson goto err_out;
5715bf944f2SBob Pearson }
5728700e3e7SMoni Shoua
573514aee66SLeon Romanovsky err = rxe_qp_from_init(rxe, qp, pd, init, uresp, ibqp->pd, udata);
5745bf944f2SBob Pearson if (err) {
5755bf944f2SBob Pearson rxe_dbg_qp(qp, "create qp failed, err = %d", err);
5765bf944f2SBob Pearson goto err_cleanup;
5775bf944f2SBob Pearson }
5788700e3e7SMoni Shoua
579215d0a75SBob Pearson rxe_finalize(qp);
580514aee66SLeon Romanovsky return 0;
581514aee66SLeon Romanovsky
5825bf944f2SBob Pearson err_cleanup:
5835bf944f2SBob Pearson cleanup_err = rxe_cleanup(qp);
5845bf944f2SBob Pearson if (cleanup_err)
5855bf944f2SBob Pearson rxe_err_qp(qp, "cleanup failed, err = %d", cleanup_err);
5865bf944f2SBob Pearson err_out:
5875bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
588514aee66SLeon Romanovsky return err;
5898700e3e7SMoni Shoua }
5908700e3e7SMoni Shoua
rxe_modify_qp(struct ib_qp * ibqp,struct ib_qp_attr * attr,int mask,struct ib_udata * udata)5918700e3e7SMoni Shoua static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
5928700e3e7SMoni Shoua int mask, struct ib_udata *udata)
5938700e3e7SMoni Shoua {
5948700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibqp->device);
5958700e3e7SMoni Shoua struct rxe_qp *qp = to_rqp(ibqp);
5965bf944f2SBob Pearson int err;
5978700e3e7SMoni Shoua
5985bf944f2SBob Pearson if (mask & ~IB_QP_ATTR_STANDARD_BITS) {
5995bf944f2SBob Pearson err = -EOPNOTSUPP;
6005bf944f2SBob Pearson rxe_dbg_qp(qp, "unsupported mask = 0x%x, err = %d",
6015bf944f2SBob Pearson mask, err);
6025bf944f2SBob Pearson goto err_out;
6035bf944f2SBob Pearson }
60426e990baSJason Gunthorpe
6058700e3e7SMoni Shoua err = rxe_qp_chk_attr(rxe, qp, attr, mask);
6065bf944f2SBob Pearson if (err) {
6075bf944f2SBob Pearson rxe_dbg_qp(qp, "bad mask/attr, err = %d", err);
6085bf944f2SBob Pearson goto err_out;
6095bf944f2SBob Pearson }
6108700e3e7SMoni Shoua
6118700e3e7SMoni Shoua err = rxe_qp_from_attr(qp, attr, mask, udata);
6125bf944f2SBob Pearson if (err) {
6135bf944f2SBob Pearson rxe_dbg_qp(qp, "modify qp failed, err = %d", err);
6145bf944f2SBob Pearson goto err_out;
6155bf944f2SBob Pearson }
6168700e3e7SMoni Shoua
617104f062fSZhu Yanjun if ((mask & IB_QP_AV) && (attr->ah_attr.ah_flags & IB_AH_GRH))
618104f062fSZhu Yanjun qp->src_port = rdma_get_udp_sport(attr->ah_attr.grh.flow_label,
619104f062fSZhu Yanjun qp->ibqp.qp_num,
620104f062fSZhu Yanjun qp->attr.dest_qp_num);
621104f062fSZhu Yanjun
6228700e3e7SMoni Shoua return 0;
6235bf944f2SBob Pearson
6245bf944f2SBob Pearson err_out:
6255bf944f2SBob Pearson rxe_err_qp(qp, "returned err = %d", err);
6265bf944f2SBob Pearson return err;
6278700e3e7SMoni Shoua }
6288700e3e7SMoni Shoua
rxe_query_qp(struct ib_qp * ibqp,struct ib_qp_attr * attr,int mask,struct ib_qp_init_attr * init)6298700e3e7SMoni Shoua static int rxe_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
6308700e3e7SMoni Shoua int mask, struct ib_qp_init_attr *init)
6318700e3e7SMoni Shoua {
6328700e3e7SMoni Shoua struct rxe_qp *qp = to_rqp(ibqp);
6338700e3e7SMoni Shoua
6348700e3e7SMoni Shoua rxe_qp_to_init(qp, init);
6358700e3e7SMoni Shoua rxe_qp_to_attr(qp, attr, mask);
6368700e3e7SMoni Shoua
6378700e3e7SMoni Shoua return 0;
6388700e3e7SMoni Shoua }
6398700e3e7SMoni Shoua
rxe_destroy_qp(struct ib_qp * ibqp,struct ib_udata * udata)640c4367a26SShamir Rabinovitch static int rxe_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
6418700e3e7SMoni Shoua {
6428700e3e7SMoni Shoua struct rxe_qp *qp = to_rqp(ibqp);
6435bf944f2SBob Pearson int err;
644f9f48460SBob Pearson
6455bf944f2SBob Pearson err = rxe_qp_chk_destroy(qp);
6465bf944f2SBob Pearson if (err) {
6475bf944f2SBob Pearson rxe_dbg_qp(qp, "unable to destroy qp, err = %d", err);
6485bf944f2SBob Pearson goto err_out;
6498700e3e7SMoni Shoua }
6508700e3e7SMoni Shoua
6515bf944f2SBob Pearson err = rxe_cleanup(qp);
6525bf944f2SBob Pearson if (err)
6535bf944f2SBob Pearson rxe_err_qp(qp, "cleanup failed, err = %d", err);
6545bf944f2SBob Pearson
6555bf944f2SBob Pearson return 0;
6565bf944f2SBob Pearson
6575bf944f2SBob Pearson err_out:
6585bf944f2SBob Pearson rxe_err_qp(qp, "returned err = %d", err);
6595bf944f2SBob Pearson return err;
6605bf944f2SBob Pearson }
6615bf944f2SBob Pearson
6625bf944f2SBob Pearson /* send wr */
663f605f26eSBob Pearson
664f605f26eSBob Pearson /* sanity check incoming send work request */
validate_send_wr(struct rxe_qp * qp,const struct ib_send_wr * ibwr,unsigned int * maskp,unsigned int * lengthp)665f696bf6dSBart Van Assche static int validate_send_wr(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
666f605f26eSBob Pearson unsigned int *maskp, unsigned int *lengthp)
6678700e3e7SMoni Shoua {
6688700e3e7SMoni Shoua int num_sge = ibwr->num_sge;
6698700e3e7SMoni Shoua struct rxe_sq *sq = &qp->sq;
670f605f26eSBob Pearson unsigned int mask = 0;
671f605f26eSBob Pearson unsigned long length = 0;
672f605f26eSBob Pearson int err = -EINVAL;
673f605f26eSBob Pearson int i;
6748700e3e7SMoni Shoua
675f605f26eSBob Pearson do {
676f605f26eSBob Pearson mask = wr_opcode_mask(ibwr->opcode, qp);
677f605f26eSBob Pearson if (!mask) {
678f605f26eSBob Pearson rxe_err_qp(qp, "bad wr opcode for qp type");
679f605f26eSBob Pearson break;
6805bf944f2SBob Pearson }
6818700e3e7SMoni Shoua
682f605f26eSBob Pearson if (num_sge > sq->max_sge) {
683f605f26eSBob Pearson rxe_err_qp(qp, "num_sge > max_sge");
684f605f26eSBob Pearson break;
685f605f26eSBob Pearson }
686f605f26eSBob Pearson
687f605f26eSBob Pearson length = 0;
688f605f26eSBob Pearson for (i = 0; i < ibwr->num_sge; i++)
689f605f26eSBob Pearson length += ibwr->sg_list[i].length;
690f605f26eSBob Pearson
691f605f26eSBob Pearson if (length > (1UL << 31)) {
692f605f26eSBob Pearson rxe_err_qp(qp, "message length too long");
693f605f26eSBob Pearson break;
694f605f26eSBob Pearson }
695f605f26eSBob Pearson
696f605f26eSBob Pearson if (mask & WR_ATOMIC_MASK) {
6975bf944f2SBob Pearson if (length != 8) {
698f605f26eSBob Pearson rxe_err_qp(qp, "atomic length != 8");
699f605f26eSBob Pearson break;
7005bf944f2SBob Pearson }
7015bf944f2SBob Pearson if (atomic_wr(ibwr)->remote_addr & 0x7) {
702f605f26eSBob Pearson rxe_err_qp(qp, "misaligned atomic address");
703f605f26eSBob Pearson break;
704f605f26eSBob Pearson }
705f605f26eSBob Pearson }
706f605f26eSBob Pearson if (ibwr->send_flags & IB_SEND_INLINE) {
707f605f26eSBob Pearson if (!(mask & WR_INLINE_MASK)) {
708f605f26eSBob Pearson rxe_err_qp(qp, "opcode doesn't support inline data");
709f605f26eSBob Pearson break;
710f605f26eSBob Pearson }
711f605f26eSBob Pearson if (length > sq->max_inline) {
712f605f26eSBob Pearson rxe_err_qp(qp, "inline length too big");
713f605f26eSBob Pearson break;
7145bf944f2SBob Pearson }
7158700e3e7SMoni Shoua }
7168700e3e7SMoni Shoua
717f605f26eSBob Pearson err = 0;
718f605f26eSBob Pearson } while (0);
719f605f26eSBob Pearson
720f605f26eSBob Pearson *maskp = mask;
721f605f26eSBob Pearson *lengthp = (int)length;
722f605f26eSBob Pearson
723f605f26eSBob Pearson return err;
7245bf944f2SBob Pearson }
7258700e3e7SMoni Shoua
init_send_wr(struct rxe_qp * qp,struct rxe_send_wr * wr,const struct ib_send_wr * ibwr)726f605f26eSBob Pearson static int init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
727f696bf6dSBart Van Assche const struct ib_send_wr *ibwr)
7288700e3e7SMoni Shoua {
7298700e3e7SMoni Shoua wr->wr_id = ibwr->wr_id;
7308700e3e7SMoni Shoua wr->opcode = ibwr->opcode;
7318700e3e7SMoni Shoua wr->send_flags = ibwr->send_flags;
7328700e3e7SMoni Shoua
7338700e3e7SMoni Shoua if (qp_type(qp) == IB_QPT_UD ||
7348700e3e7SMoni Shoua qp_type(qp) == IB_QPT_GSI) {
7353b87e082SBob Pearson struct ib_ah *ibah = ud_wr(ibwr)->ah;
7363b87e082SBob Pearson
7378700e3e7SMoni Shoua wr->wr.ud.remote_qpn = ud_wr(ibwr)->remote_qpn;
7388700e3e7SMoni Shoua wr->wr.ud.remote_qkey = ud_wr(ibwr)->remote_qkey;
7393b87e082SBob Pearson wr->wr.ud.ah_num = to_rah(ibah)->ah_num;
7408700e3e7SMoni Shoua if (qp_type(qp) == IB_QPT_GSI)
7418700e3e7SMoni Shoua wr->wr.ud.pkey_index = ud_wr(ibwr)->pkey_index;
742f605f26eSBob Pearson
743f605f26eSBob Pearson switch (wr->opcode) {
744f605f26eSBob Pearson case IB_WR_SEND_WITH_IMM:
7458700e3e7SMoni Shoua wr->ex.imm_data = ibwr->ex.imm_data;
746f605f26eSBob Pearson break;
747f605f26eSBob Pearson case IB_WR_SEND:
748f605f26eSBob Pearson break;
749f605f26eSBob Pearson default:
750f605f26eSBob Pearson rxe_err_qp(qp, "bad wr opcode %d for UD/GSI QP",
751f605f26eSBob Pearson wr->opcode);
752f605f26eSBob Pearson return -EINVAL;
753f605f26eSBob Pearson }
7548700e3e7SMoni Shoua } else {
7558700e3e7SMoni Shoua switch (wr->opcode) {
7568700e3e7SMoni Shoua case IB_WR_RDMA_WRITE_WITH_IMM:
7578700e3e7SMoni Shoua wr->ex.imm_data = ibwr->ex.imm_data;
758df561f66SGustavo A. R. Silva fallthrough;
7598700e3e7SMoni Shoua case IB_WR_RDMA_READ:
7608700e3e7SMoni Shoua case IB_WR_RDMA_WRITE:
7618700e3e7SMoni Shoua wr->wr.rdma.remote_addr = rdma_wr(ibwr)->remote_addr;
7628700e3e7SMoni Shoua wr->wr.rdma.rkey = rdma_wr(ibwr)->rkey;
7638700e3e7SMoni Shoua break;
7648700e3e7SMoni Shoua case IB_WR_SEND_WITH_IMM:
7658700e3e7SMoni Shoua wr->ex.imm_data = ibwr->ex.imm_data;
7668700e3e7SMoni Shoua break;
7678700e3e7SMoni Shoua case IB_WR_SEND_WITH_INV:
7688700e3e7SMoni Shoua wr->ex.invalidate_rkey = ibwr->ex.invalidate_rkey;
7698700e3e7SMoni Shoua break;
770f605f26eSBob Pearson case IB_WR_RDMA_READ_WITH_INV:
771f605f26eSBob Pearson wr->ex.invalidate_rkey = ibwr->ex.invalidate_rkey;
772f605f26eSBob Pearson wr->wr.rdma.remote_addr = rdma_wr(ibwr)->remote_addr;
773f605f26eSBob Pearson wr->wr.rdma.rkey = rdma_wr(ibwr)->rkey;
774f605f26eSBob Pearson break;
7758700e3e7SMoni Shoua case IB_WR_ATOMIC_CMP_AND_SWP:
7768700e3e7SMoni Shoua case IB_WR_ATOMIC_FETCH_AND_ADD:
7778700e3e7SMoni Shoua wr->wr.atomic.remote_addr =
7788700e3e7SMoni Shoua atomic_wr(ibwr)->remote_addr;
7798700e3e7SMoni Shoua wr->wr.atomic.compare_add =
7808700e3e7SMoni Shoua atomic_wr(ibwr)->compare_add;
7818700e3e7SMoni Shoua wr->wr.atomic.swap = atomic_wr(ibwr)->swap;
7828700e3e7SMoni Shoua wr->wr.atomic.rkey = atomic_wr(ibwr)->rkey;
7838700e3e7SMoni Shoua break;
7848700e3e7SMoni Shoua case IB_WR_LOCAL_INV:
7858700e3e7SMoni Shoua wr->ex.invalidate_rkey = ibwr->ex.invalidate_rkey;
7868700e3e7SMoni Shoua break;
7878700e3e7SMoni Shoua case IB_WR_REG_MR:
7888700e3e7SMoni Shoua wr->wr.reg.mr = reg_wr(ibwr)->mr;
7898700e3e7SMoni Shoua wr->wr.reg.key = reg_wr(ibwr)->key;
7908700e3e7SMoni Shoua wr->wr.reg.access = reg_wr(ibwr)->access;
7918700e3e7SMoni Shoua break;
792f605f26eSBob Pearson case IB_WR_SEND:
793f605f26eSBob Pearson case IB_WR_BIND_MW:
794f605f26eSBob Pearson case IB_WR_FLUSH:
795f605f26eSBob Pearson case IB_WR_ATOMIC_WRITE:
796f605f26eSBob Pearson break;
7978700e3e7SMoni Shoua default:
798f605f26eSBob Pearson rxe_err_qp(qp, "unsupported wr opcode %d",
799f605f26eSBob Pearson wr->opcode);
800f605f26eSBob Pearson return -EINVAL;
8018700e3e7SMoni Shoua }
8028700e3e7SMoni Shoua }
803f605f26eSBob Pearson
804f605f26eSBob Pearson return 0;
8058700e3e7SMoni Shoua }
8068700e3e7SMoni Shoua
copy_inline_data_to_wqe(struct rxe_send_wqe * wqe,const struct ib_send_wr * ibwr)807086f580cSBob Pearson static void copy_inline_data_to_wqe(struct rxe_send_wqe *wqe,
808086f580cSBob Pearson const struct ib_send_wr *ibwr)
809086f580cSBob Pearson {
810086f580cSBob Pearson struct ib_sge *sge = ibwr->sg_list;
811086f580cSBob Pearson u8 *p = wqe->dma.inline_data;
812086f580cSBob Pearson int i;
813086f580cSBob Pearson
814086f580cSBob Pearson for (i = 0; i < ibwr->num_sge; i++, sge++) {
815*94646324SHonggang LI memcpy(p, ib_virt_dma_to_ptr(sge->addr), sge->length);
816086f580cSBob Pearson p += sge->length;
817086f580cSBob Pearson }
818086f580cSBob Pearson }
819086f580cSBob Pearson
init_send_wqe(struct rxe_qp * qp,const struct ib_send_wr * ibwr,unsigned int mask,unsigned int length,struct rxe_send_wqe * wqe)820f605f26eSBob Pearson static int init_send_wqe(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
8218700e3e7SMoni Shoua unsigned int mask, unsigned int length,
8228700e3e7SMoni Shoua struct rxe_send_wqe *wqe)
8238700e3e7SMoni Shoua {
8248700e3e7SMoni Shoua int num_sge = ibwr->num_sge;
825f605f26eSBob Pearson int err;
8268700e3e7SMoni Shoua
827f605f26eSBob Pearson err = init_send_wr(qp, &wqe->wr, ibwr);
828f605f26eSBob Pearson if (err)
829f605f26eSBob Pearson return err;
8308700e3e7SMoni Shoua
831dc78074aSBob Pearson /* local operation */
832886441fbSBob Pearson if (unlikely(mask & WR_LOCAL_OP_MASK)) {
833dc78074aSBob Pearson wqe->mask = mask;
834dc78074aSBob Pearson wqe->state = wqe_state_posted;
835f605f26eSBob Pearson return 0;
836dc78074aSBob Pearson }
837dc78074aSBob Pearson
838086f580cSBob Pearson if (unlikely(ibwr->send_flags & IB_SEND_INLINE))
839086f580cSBob Pearson copy_inline_data_to_wqe(wqe, ibwr);
840086f580cSBob Pearson else
8418700e3e7SMoni Shoua memcpy(wqe->dma.sge, ibwr->sg_list,
8428700e3e7SMoni Shoua num_sge * sizeof(struct ib_sge));
8438700e3e7SMoni Shoua
844a6544a62SBart Van Assche wqe->iova = mask & WR_ATOMIC_MASK ? atomic_wr(ibwr)->remote_addr :
845a6544a62SBart Van Assche mask & WR_READ_OR_WRITE_MASK ? rdma_wr(ibwr)->remote_addr : 0;
8468700e3e7SMoni Shoua wqe->mask = mask;
8478700e3e7SMoni Shoua wqe->dma.length = length;
8488700e3e7SMoni Shoua wqe->dma.resid = length;
8498700e3e7SMoni Shoua wqe->dma.num_sge = num_sge;
8508700e3e7SMoni Shoua wqe->dma.cur_sge = 0;
8518700e3e7SMoni Shoua wqe->dma.sge_offset = 0;
8528700e3e7SMoni Shoua wqe->state = wqe_state_posted;
8538700e3e7SMoni Shoua wqe->ssn = atomic_add_return(1, &qp->ssn);
8548700e3e7SMoni Shoua
8558700e3e7SMoni Shoua return 0;
8568700e3e7SMoni Shoua }
8578700e3e7SMoni Shoua
post_one_send(struct rxe_qp * qp,const struct ib_send_wr * ibwr)858f605f26eSBob Pearson static int post_one_send(struct rxe_qp *qp, const struct ib_send_wr *ibwr)
859f605f26eSBob Pearson {
860f605f26eSBob Pearson int err;
861f605f26eSBob Pearson struct rxe_sq *sq = &qp->sq;
862f605f26eSBob Pearson struct rxe_send_wqe *send_wqe;
863f605f26eSBob Pearson unsigned int mask;
864f605f26eSBob Pearson unsigned int length;
865f605f26eSBob Pearson int full;
866f605f26eSBob Pearson
867f605f26eSBob Pearson err = validate_send_wr(qp, ibwr, &mask, &length);
868f605f26eSBob Pearson if (err)
869f605f26eSBob Pearson return err;
870f605f26eSBob Pearson
871f605f26eSBob Pearson full = queue_full(sq->queue, QUEUE_TYPE_FROM_ULP);
872f605f26eSBob Pearson if (unlikely(full)) {
873f605f26eSBob Pearson rxe_err_qp(qp, "send queue full");
874f605f26eSBob Pearson return -ENOMEM;
875f605f26eSBob Pearson }
876f605f26eSBob Pearson
877f605f26eSBob Pearson send_wqe = queue_producer_addr(sq->queue, QUEUE_TYPE_FROM_ULP);
878f605f26eSBob Pearson err = init_send_wqe(qp, ibwr, mask, length, send_wqe);
879f605f26eSBob Pearson if (!err)
880f605f26eSBob Pearson queue_advance_producer(sq->queue, QUEUE_TYPE_FROM_ULP);
881f605f26eSBob Pearson
882f605f26eSBob Pearson return err;
883f605f26eSBob Pearson }
884f605f26eSBob Pearson
rxe_post_send_kernel(struct rxe_qp * qp,const struct ib_send_wr * ibwr,const struct ib_send_wr ** bad_wr)885f605f26eSBob Pearson static int rxe_post_send_kernel(struct rxe_qp *qp,
886f605f26eSBob Pearson const struct ib_send_wr *ibwr,
887d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr)
8888700e3e7SMoni Shoua {
8898700e3e7SMoni Shoua int err = 0;
890f605f26eSBob Pearson unsigned long flags;
89113c7bb72SBob Pearson int good = 0;
8928700e3e7SMoni Shoua
893f605f26eSBob Pearson spin_lock_irqsave(&qp->sq.sq_lock, flags);
894f605f26eSBob Pearson while (ibwr) {
895f605f26eSBob Pearson err = post_one_send(qp, ibwr);
8968700e3e7SMoni Shoua if (err) {
897f605f26eSBob Pearson *bad_wr = ibwr;
8988700e3e7SMoni Shoua break;
89913c7bb72SBob Pearson } else {
90013c7bb72SBob Pearson good++;
9018700e3e7SMoni Shoua }
902f605f26eSBob Pearson ibwr = ibwr->next;
9038700e3e7SMoni Shoua }
904f605f26eSBob Pearson spin_unlock_irqrestore(&qp->sq.sq_lock, flags);
9058700e3e7SMoni Shoua
90613c7bb72SBob Pearson /* kickoff processing of any posted wqes */
90713c7bb72SBob Pearson if (good)
908dccb23f6SBob Pearson rxe_sched_task(&qp->req.task);
9095bf944f2SBob Pearson
910b5f3fe27SGuoqing Jiang spin_lock_irqsave(&qp->state_lock, flags);
911f605f26eSBob Pearson if (qp_state(qp) == IB_QPS_ERR)
912dccb23f6SBob Pearson rxe_sched_task(&qp->comp.task);
913b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
9148700e3e7SMoni Shoua
9158700e3e7SMoni Shoua return err;
9168700e3e7SMoni Shoua }
9178700e3e7SMoni Shoua
rxe_post_send(struct ib_qp * ibqp,const struct ib_send_wr * wr,const struct ib_send_wr ** bad_wr)918d34ac5cdSBart Van Assche static int rxe_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
919d34ac5cdSBart Van Assche const struct ib_send_wr **bad_wr)
920063af595SParav Pandit {
921063af595SParav Pandit struct rxe_qp *qp = to_rqp(ibqp);
9225bf944f2SBob Pearson int err;
923b5f3fe27SGuoqing Jiang unsigned long flags;
924063af595SParav Pandit
925b5f3fe27SGuoqing Jiang spin_lock_irqsave(&qp->state_lock, flags);
926f605f26eSBob Pearson /* caller has already called destroy_qp */
927f605f26eSBob Pearson if (WARN_ON_ONCE(!qp->valid)) {
928b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
929f605f26eSBob Pearson rxe_err_qp(qp, "qp has been destroyed");
930f605f26eSBob Pearson return -EINVAL;
931063af595SParav Pandit }
932063af595SParav Pandit
93398e891b5SBob Pearson if (unlikely(qp_state(qp) < IB_QPS_RTS)) {
934b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
935063af595SParav Pandit *bad_wr = wr;
936f605f26eSBob Pearson rxe_err_qp(qp, "qp not ready to send");
937f605f26eSBob Pearson return -EINVAL;
938063af595SParav Pandit }
939b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
940063af595SParav Pandit
941063af595SParav Pandit if (qp->is_user) {
942063af595SParav Pandit /* Utilize process context to do protocol processing */
943dccb23f6SBob Pearson rxe_run_task(&qp->req.task);
9445bf944f2SBob Pearson } else {
9455bf944f2SBob Pearson err = rxe_post_send_kernel(qp, wr, bad_wr);
9465bf944f2SBob Pearson if (err)
947f605f26eSBob Pearson return err;
9485bf944f2SBob Pearson }
9495bf944f2SBob Pearson
950063af595SParav Pandit return 0;
9515bf944f2SBob Pearson }
9525bf944f2SBob Pearson
9535bf944f2SBob Pearson /* recv wr */
post_one_recv(struct rxe_rq * rq,const struct ib_recv_wr * ibwr)9545bf944f2SBob Pearson static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
9555bf944f2SBob Pearson {
9565bf944f2SBob Pearson int i;
9575bf944f2SBob Pearson unsigned long length;
9585bf944f2SBob Pearson struct rxe_recv_wqe *recv_wqe;
9595bf944f2SBob Pearson int num_sge = ibwr->num_sge;
9605bf944f2SBob Pearson int full;
9615bf944f2SBob Pearson int err;
9625bf944f2SBob Pearson
9635bf944f2SBob Pearson full = queue_full(rq->queue, QUEUE_TYPE_FROM_ULP);
9645bf944f2SBob Pearson if (unlikely(full)) {
9655bf944f2SBob Pearson err = -ENOMEM;
9665bf944f2SBob Pearson rxe_dbg("queue full");
9675bf944f2SBob Pearson goto err_out;
9685bf944f2SBob Pearson }
9695bf944f2SBob Pearson
9705bf944f2SBob Pearson if (unlikely(num_sge > rq->max_sge)) {
9715bf944f2SBob Pearson err = -EINVAL;
9725bf944f2SBob Pearson rxe_dbg("bad num_sge > max_sge");
9735bf944f2SBob Pearson goto err_out;
9745bf944f2SBob Pearson }
9755bf944f2SBob Pearson
9765bf944f2SBob Pearson length = 0;
9775bf944f2SBob Pearson for (i = 0; i < num_sge; i++)
9785bf944f2SBob Pearson length += ibwr->sg_list[i].length;
9795bf944f2SBob Pearson
9805bf944f2SBob Pearson /* IBA max message size is 2^31 */
9815bf944f2SBob Pearson if (length >= (1UL<<31)) {
9825bf944f2SBob Pearson err = -EINVAL;
9835bf944f2SBob Pearson rxe_dbg("message length too long");
9845bf944f2SBob Pearson goto err_out;
9855bf944f2SBob Pearson }
9865bf944f2SBob Pearson
9875bf944f2SBob Pearson recv_wqe = queue_producer_addr(rq->queue, QUEUE_TYPE_FROM_ULP);
9885bf944f2SBob Pearson
9895bf944f2SBob Pearson recv_wqe->wr_id = ibwr->wr_id;
9905bf944f2SBob Pearson recv_wqe->dma.length = length;
9915bf944f2SBob Pearson recv_wqe->dma.resid = length;
9925bf944f2SBob Pearson recv_wqe->dma.num_sge = num_sge;
9935bf944f2SBob Pearson recv_wqe->dma.cur_sge = 0;
9945bf944f2SBob Pearson recv_wqe->dma.sge_offset = 0;
9955bf944f2SBob Pearson memcpy(recv_wqe->dma.sge, ibwr->sg_list,
9965bf944f2SBob Pearson num_sge * sizeof(struct ib_sge));
9975bf944f2SBob Pearson
9985bf944f2SBob Pearson queue_advance_producer(rq->queue, QUEUE_TYPE_FROM_ULP);
9995bf944f2SBob Pearson
10005bf944f2SBob Pearson return 0;
10015bf944f2SBob Pearson
10025bf944f2SBob Pearson err_out:
10035bf944f2SBob Pearson rxe_dbg("returned err = %d", err);
10045bf944f2SBob Pearson return err;
1005063af595SParav Pandit }
1006063af595SParav Pandit
rxe_post_recv(struct ib_qp * ibqp,const struct ib_recv_wr * wr,const struct ib_recv_wr ** bad_wr)1007d34ac5cdSBart Van Assche static int rxe_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
1008d34ac5cdSBart Van Assche const struct ib_recv_wr **bad_wr)
10098700e3e7SMoni Shoua {
10108700e3e7SMoni Shoua int err = 0;
10118700e3e7SMoni Shoua struct rxe_qp *qp = to_rqp(ibqp);
10128700e3e7SMoni Shoua struct rxe_rq *rq = &qp->rq;
1013a099b085SBob Pearson unsigned long flags;
10148700e3e7SMoni Shoua
1015b5f3fe27SGuoqing Jiang spin_lock_irqsave(&qp->state_lock, flags);
1016f605f26eSBob Pearson /* caller has already called destroy_qp */
1017f605f26eSBob Pearson if (WARN_ON_ONCE(!qp->valid)) {
1018b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
1019f605f26eSBob Pearson rxe_err_qp(qp, "qp has been destroyed");
1020f605f26eSBob Pearson return -EINVAL;
10218700e3e7SMoni Shoua }
10228700e3e7SMoni Shoua
1023f605f26eSBob Pearson /* see C10-97.2.1 */
1024f605f26eSBob Pearson if (unlikely((qp_state(qp) < IB_QPS_INIT))) {
1025b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
1026f605f26eSBob Pearson *bad_wr = wr;
1027f605f26eSBob Pearson rxe_dbg_qp(qp, "qp not ready to post recv");
1028f605f26eSBob Pearson return -EINVAL;
1029f605f26eSBob Pearson }
1030b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
1031f605f26eSBob Pearson
10328700e3e7SMoni Shoua if (unlikely(qp->srq)) {
10338700e3e7SMoni Shoua *bad_wr = wr;
1034f605f26eSBob Pearson rxe_dbg_qp(qp, "qp has srq, use post_srq_recv instead");
1035f605f26eSBob Pearson return -EINVAL;
10368700e3e7SMoni Shoua }
10378700e3e7SMoni Shoua
1038a099b085SBob Pearson spin_lock_irqsave(&rq->producer_lock, flags);
10398700e3e7SMoni Shoua
10408700e3e7SMoni Shoua while (wr) {
10418700e3e7SMoni Shoua err = post_one_recv(rq, wr);
10428700e3e7SMoni Shoua if (unlikely(err)) {
10438700e3e7SMoni Shoua *bad_wr = wr;
10448700e3e7SMoni Shoua break;
10458700e3e7SMoni Shoua }
10468700e3e7SMoni Shoua wr = wr->next;
10478700e3e7SMoni Shoua }
10488700e3e7SMoni Shoua
1049a099b085SBob Pearson spin_unlock_irqrestore(&rq->producer_lock, flags);
10508700e3e7SMoni Shoua
1051b5f3fe27SGuoqing Jiang spin_lock_irqsave(&qp->state_lock, flags);
1052a588429aSBob Pearson if (qp_state(qp) == IB_QPS_ERR)
1053dccb23f6SBob Pearson rxe_sched_task(&qp->resp.task);
1054b5f3fe27SGuoqing Jiang spin_unlock_irqrestore(&qp->state_lock, flags);
10555bf944f2SBob Pearson
10568700e3e7SMoni Shoua return err;
10578700e3e7SMoni Shoua }
10588700e3e7SMoni Shoua
10595bf944f2SBob Pearson /* cq */
rxe_create_cq(struct ib_cq * ibcq,const struct ib_cq_init_attr * attr,struct ib_udata * udata)1060e39afe3dSLeon Romanovsky static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
10618700e3e7SMoni Shoua struct ib_udata *udata)
10628700e3e7SMoni Shoua {
1063e39afe3dSLeon Romanovsky struct ib_device *dev = ibcq->device;
10648700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(dev);
1065e39afe3dSLeon Romanovsky struct rxe_cq *cq = to_rcq(ibcq);
10660c43ab37SJason Gunthorpe struct rxe_create_cq_resp __user *uresp = NULL;
10675bf944f2SBob Pearson int err, cleanup_err;
10680c43ab37SJason Gunthorpe
10690c43ab37SJason Gunthorpe if (udata) {
10705bf944f2SBob Pearson if (udata->outlen < sizeof(*uresp)) {
10715bf944f2SBob Pearson err = -EINVAL;
10725bf944f2SBob Pearson rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
10735bf944f2SBob Pearson goto err_out;
10745bf944f2SBob Pearson }
10750c43ab37SJason Gunthorpe uresp = udata->outbuf;
10760c43ab37SJason Gunthorpe }
10778700e3e7SMoni Shoua
10785bf944f2SBob Pearson if (attr->flags) {
10795bf944f2SBob Pearson err = -EOPNOTSUPP;
10805bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad attr->flags, err = %d", err);
10815bf944f2SBob Pearson goto err_out;
10825bf944f2SBob Pearson }
10838700e3e7SMoni Shoua
1084b92ec0feSJason Gunthorpe err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
10855bf944f2SBob Pearson if (err) {
10865bf944f2SBob Pearson rxe_dbg_dev(rxe, "bad init attributes, err = %d", err);
10875bf944f2SBob Pearson goto err_out;
10885bf944f2SBob Pearson }
10895bf944f2SBob Pearson
10905bf944f2SBob Pearson err = rxe_add_to_pool(&rxe->cq_pool, cq);
10915bf944f2SBob Pearson if (err) {
10925bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to create cq, err = %d", err);
10935bf944f2SBob Pearson goto err_out;
10945bf944f2SBob Pearson }
10958700e3e7SMoni Shoua
1096ff23dfa1SShamir Rabinovitch err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, udata,
1097ff23dfa1SShamir Rabinovitch uresp);
10985bf944f2SBob Pearson if (err) {
10995bf944f2SBob Pearson rxe_dbg_cq(cq, "create cq failed, err = %d", err);
11005bf944f2SBob Pearson goto err_cleanup;
11018700e3e7SMoni Shoua }
11028700e3e7SMoni Shoua
110343d781b9SLeon Romanovsky return 0;
11045bf944f2SBob Pearson
11055bf944f2SBob Pearson err_cleanup:
11065bf944f2SBob Pearson cleanup_err = rxe_cleanup(cq);
11075bf944f2SBob Pearson if (cleanup_err)
11085bf944f2SBob Pearson rxe_err_cq(cq, "cleanup failed, err = %d", cleanup_err);
11095bf944f2SBob Pearson err_out:
11105bf944f2SBob Pearson rxe_err_dev(rxe, "returned err = %d", err);
11115bf944f2SBob Pearson return err;
11128700e3e7SMoni Shoua }
11138700e3e7SMoni Shoua
rxe_resize_cq(struct ib_cq * ibcq,int cqe,struct ib_udata * udata)11148700e3e7SMoni Shoua static int rxe_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
11158700e3e7SMoni Shoua {
11168700e3e7SMoni Shoua struct rxe_cq *cq = to_rcq(ibcq);
11178700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibcq->device);
11180c43ab37SJason Gunthorpe struct rxe_resize_cq_resp __user *uresp = NULL;
11195bf944f2SBob Pearson int err;
11200c43ab37SJason Gunthorpe
11210c43ab37SJason Gunthorpe if (udata) {
11225bf944f2SBob Pearson if (udata->outlen < sizeof(*uresp)) {
11235bf944f2SBob Pearson err = -EINVAL;
11245bf944f2SBob Pearson rxe_dbg_cq(cq, "malformed udata");
11255bf944f2SBob Pearson goto err_out;
11265bf944f2SBob Pearson }
11270c43ab37SJason Gunthorpe uresp = udata->outbuf;
11280c43ab37SJason Gunthorpe }
11298700e3e7SMoni Shoua
1130b92ec0feSJason Gunthorpe err = rxe_cq_chk_attr(rxe, cq, cqe, 0);
11315bf944f2SBob Pearson if (err) {
11325bf944f2SBob Pearson rxe_dbg_cq(cq, "bad attr, err = %d", err);
11335bf944f2SBob Pearson goto err_out;
11345bf944f2SBob Pearson }
1135692373d1SYunsheng Lin
11365bf944f2SBob Pearson err = rxe_cq_resize_queue(cq, cqe, uresp, udata);
11375bf944f2SBob Pearson if (err) {
11385bf944f2SBob Pearson rxe_dbg_cq(cq, "resize cq failed, err = %d", err);
11395bf944f2SBob Pearson goto err_out;
11405bf944f2SBob Pearson }
11415bf944f2SBob Pearson
11425bf944f2SBob Pearson return 0;
11435bf944f2SBob Pearson
11445bf944f2SBob Pearson err_out:
11455bf944f2SBob Pearson rxe_err_cq(cq, "returned err = %d", err);
11465bf944f2SBob Pearson return err;
11478700e3e7SMoni Shoua }
11488700e3e7SMoni Shoua
rxe_poll_cq(struct ib_cq * ibcq,int num_entries,struct ib_wc * wc)11498700e3e7SMoni Shoua static int rxe_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
11508700e3e7SMoni Shoua {
11518700e3e7SMoni Shoua int i;
11528700e3e7SMoni Shoua struct rxe_cq *cq = to_rcq(ibcq);
11538700e3e7SMoni Shoua struct rxe_cqe *cqe;
1154a099b085SBob Pearson unsigned long flags;
11558700e3e7SMoni Shoua
1156a099b085SBob Pearson spin_lock_irqsave(&cq->cq_lock, flags);
11578700e3e7SMoni Shoua for (i = 0; i < num_entries; i++) {
1158a77a5238SBob Pearson cqe = queue_head(cq->queue, QUEUE_TYPE_TO_ULP);
11598700e3e7SMoni Shoua if (!cqe)
11605bf944f2SBob Pearson break; /* queue empty */
11618700e3e7SMoni Shoua
11628700e3e7SMoni Shoua memcpy(wc++, &cqe->ibwc, sizeof(*wc));
1163a77a5238SBob Pearson queue_advance_consumer(cq->queue, QUEUE_TYPE_TO_ULP);
11648700e3e7SMoni Shoua }
1165a099b085SBob Pearson spin_unlock_irqrestore(&cq->cq_lock, flags);
11668700e3e7SMoni Shoua
11678700e3e7SMoni Shoua return i;
11688700e3e7SMoni Shoua }
11698700e3e7SMoni Shoua
rxe_peek_cq(struct ib_cq * ibcq,int wc_cnt)11708700e3e7SMoni Shoua static int rxe_peek_cq(struct ib_cq *ibcq, int wc_cnt)
11718700e3e7SMoni Shoua {
11728700e3e7SMoni Shoua struct rxe_cq *cq = to_rcq(ibcq);
11735bcf5a59SBob Pearson int count;
11745bcf5a59SBob Pearson
1175a77a5238SBob Pearson count = queue_count(cq->queue, QUEUE_TYPE_TO_ULP);
11768700e3e7SMoni Shoua
11778700e3e7SMoni Shoua return (count > wc_cnt) ? wc_cnt : count;
11788700e3e7SMoni Shoua }
11798700e3e7SMoni Shoua
rxe_req_notify_cq(struct ib_cq * ibcq,enum ib_cq_notify_flags flags)11808700e3e7SMoni Shoua static int rxe_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
11818700e3e7SMoni Shoua {
11828700e3e7SMoni Shoua struct rxe_cq *cq = to_rcq(ibcq);
1183accacb8fSAndrew Boyer int ret = 0;
11845bcf5a59SBob Pearson int empty;
1185a099b085SBob Pearson unsigned long irq_flags;
11868700e3e7SMoni Shoua
1187a099b085SBob Pearson spin_lock_irqsave(&cq->cq_lock, irq_flags);
1188350b6dd4SBob Pearson cq->notify |= flags & IB_CQ_SOLICITED_MASK;
1189a77a5238SBob Pearson empty = queue_empty(cq->queue, QUEUE_TYPE_TO_ULP);
11905bcf5a59SBob Pearson
11915bcf5a59SBob Pearson if ((flags & IB_CQ_REPORT_MISSED_EVENTS) && !empty)
1192accacb8fSAndrew Boyer ret = 1;
1193accacb8fSAndrew Boyer
1194a099b085SBob Pearson spin_unlock_irqrestore(&cq->cq_lock, irq_flags);
1195accacb8fSAndrew Boyer
1196accacb8fSAndrew Boyer return ret;
11978700e3e7SMoni Shoua }
11988700e3e7SMoni Shoua
rxe_destroy_cq(struct ib_cq * ibcq,struct ib_udata * udata)11995bf944f2SBob Pearson static int rxe_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
12005bf944f2SBob Pearson {
12015bf944f2SBob Pearson struct rxe_cq *cq = to_rcq(ibcq);
12025bf944f2SBob Pearson int err;
12035bf944f2SBob Pearson
12045bf944f2SBob Pearson /* See IBA C11-17: The CI shall return an error if this Verb is
12055bf944f2SBob Pearson * invoked while a Work Queue is still associated with the CQ.
12065bf944f2SBob Pearson */
12075bf944f2SBob Pearson if (atomic_read(&cq->num_wq)) {
12085bf944f2SBob Pearson err = -EINVAL;
12095bf944f2SBob Pearson rxe_dbg_cq(cq, "still in use");
12105bf944f2SBob Pearson goto err_out;
12115bf944f2SBob Pearson }
12125bf944f2SBob Pearson
12135bf944f2SBob Pearson err = rxe_cleanup(cq);
12145bf944f2SBob Pearson if (err)
12155bf944f2SBob Pearson rxe_err_cq(cq, "cleanup failed, err = %d", err);
12165bf944f2SBob Pearson
12175bf944f2SBob Pearson return 0;
12185bf944f2SBob Pearson
12195bf944f2SBob Pearson err_out:
12205bf944f2SBob Pearson rxe_err_cq(cq, "returned err = %d", err);
12215bf944f2SBob Pearson return err;
12225bf944f2SBob Pearson }
12235bf944f2SBob Pearson
12245bf944f2SBob Pearson /* mr */
rxe_get_dma_mr(struct ib_pd * ibpd,int access)12258700e3e7SMoni Shoua static struct ib_mr *rxe_get_dma_mr(struct ib_pd *ibpd, int access)
12268700e3e7SMoni Shoua {
12278700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibpd->device);
12288700e3e7SMoni Shoua struct rxe_pd *pd = to_rpd(ibpd);
1229364e282cSBob Pearson struct rxe_mr *mr;
123072a03627SBob Pearson int err;
12318700e3e7SMoni Shoua
123272a03627SBob Pearson mr = kzalloc(sizeof(*mr), GFP_KERNEL);
1233b6ba6855SLeon Romanovsky if (!mr)
1234b6ba6855SLeon Romanovsky return ERR_PTR(-ENOMEM);
123572a03627SBob Pearson
123672a03627SBob Pearson err = rxe_add_to_pool(&rxe->mr_pool, mr);
12375bf944f2SBob Pearson if (err) {
12385bf944f2SBob Pearson rxe_dbg_dev(rxe, "unable to create mr");
123972a03627SBob Pearson goto err_free;
12405bf944f2SBob Pearson }
12418700e3e7SMoni Shoua
12423197706aSBob Pearson rxe_get(pd);
124358651bbbSBob Pearson mr->ibmr.pd = ibpd;
12442778b72bSBob Pearson mr->ibmr.device = ibpd->device;
124558651bbbSBob Pearson
124658651bbbSBob Pearson rxe_mr_init_dma(access, mr);
1247215d0a75SBob Pearson rxe_finalize(mr);
12488700e3e7SMoni Shoua return &mr->ibmr;
124972a03627SBob Pearson
125072a03627SBob Pearson err_free:
125172a03627SBob Pearson kfree(mr);
12525bf944f2SBob Pearson rxe_err_pd(pd, "returned err = %d", err);
125372a03627SBob Pearson return ERR_PTR(err);
12548700e3e7SMoni Shoua }
12558700e3e7SMoni Shoua
rxe_reg_user_mr(struct ib_pd * ibpd,u64 start,u64 length,u64 iova,int access,struct ib_udata * udata)12565bf944f2SBob Pearson static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
12575bf944f2SBob Pearson u64 length, u64 iova, int access,
12585bf944f2SBob Pearson struct ib_udata *udata)
12598700e3e7SMoni Shoua {
12608700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibpd->device);
12618700e3e7SMoni Shoua struct rxe_pd *pd = to_rpd(ibpd);
1262364e282cSBob Pearson struct rxe_mr *mr;
12635bf944f2SBob Pearson int err, cleanup_err;
12648700e3e7SMoni Shoua
126502ed2537SBob Pearson if (access & ~RXE_ACCESS_SUPPORTED_MR) {
126602ed2537SBob Pearson rxe_err_pd(pd, "access = %#x not supported (%#x)", access,
126702ed2537SBob Pearson RXE_ACCESS_SUPPORTED_MR);
126802ed2537SBob Pearson return ERR_PTR(-EOPNOTSUPP);
126902ed2537SBob Pearson }
127002ed2537SBob Pearson
127172a03627SBob Pearson mr = kzalloc(sizeof(*mr), GFP_KERNEL);
1272b6ba6855SLeon Romanovsky if (!mr)
1273b6ba6855SLeon Romanovsky return ERR_PTR(-ENOMEM);
127472a03627SBob Pearson
127572a03627SBob Pearson err = rxe_add_to_pool(&rxe->mr_pool, mr);
12765bf944f2SBob Pearson if (err) {
12775bf944f2SBob Pearson rxe_dbg_pd(pd, "unable to create mr");
127872a03627SBob Pearson goto err_free;
12795bf944f2SBob Pearson }
12808700e3e7SMoni Shoua
12813197706aSBob Pearson rxe_get(pd);
128258651bbbSBob Pearson mr->ibmr.pd = ibpd;
12832778b72bSBob Pearson mr->ibmr.device = ibpd->device;
12848700e3e7SMoni Shoua
128558651bbbSBob Pearson err = rxe_mr_init_user(rxe, start, length, iova, access, mr);
12865bf944f2SBob Pearson if (err) {
12875bf944f2SBob Pearson rxe_dbg_mr(mr, "reg_user_mr failed, err = %d", err);
128872a03627SBob Pearson goto err_cleanup;
12895bf944f2SBob Pearson }
12908700e3e7SMoni Shoua
1291215d0a75SBob Pearson rxe_finalize(mr);
12928700e3e7SMoni Shoua return &mr->ibmr;
12938700e3e7SMoni Shoua
129472a03627SBob Pearson err_cleanup:
12955bf944f2SBob Pearson cleanup_err = rxe_cleanup(mr);
12965bf944f2SBob Pearson if (cleanup_err)
12975bf944f2SBob Pearson rxe_err_mr(mr, "cleanup failed, err = %d", cleanup_err);
129872a03627SBob Pearson err_free:
129972a03627SBob Pearson kfree(mr);
13005bf944f2SBob Pearson rxe_err_pd(pd, "returned err = %d", err);
13018700e3e7SMoni Shoua return ERR_PTR(err);
13028700e3e7SMoni Shoua }
13038700e3e7SMoni Shoua
rxe_rereg_user_mr(struct ib_mr * ibmr,int flags,u64 start,u64 length,u64 iova,int access,struct ib_pd * ibpd,struct ib_udata * udata)1304544c7f62SBob Pearson static struct ib_mr *rxe_rereg_user_mr(struct ib_mr *ibmr, int flags,
1305544c7f62SBob Pearson u64 start, u64 length, u64 iova,
1306544c7f62SBob Pearson int access, struct ib_pd *ibpd,
1307544c7f62SBob Pearson struct ib_udata *udata)
1308544c7f62SBob Pearson {
1309544c7f62SBob Pearson struct rxe_mr *mr = to_rmr(ibmr);
1310544c7f62SBob Pearson struct rxe_pd *old_pd = to_rpd(ibmr->pd);
1311544c7f62SBob Pearson struct rxe_pd *pd = to_rpd(ibpd);
1312544c7f62SBob Pearson
1313544c7f62SBob Pearson /* for now only support the two easy cases:
1314544c7f62SBob Pearson * rereg_pd and rereg_access
1315544c7f62SBob Pearson */
1316544c7f62SBob Pearson if (flags & ~RXE_MR_REREG_SUPPORTED) {
1317544c7f62SBob Pearson rxe_err_mr(mr, "flags = %#x not supported", flags);
1318544c7f62SBob Pearson return ERR_PTR(-EOPNOTSUPP);
1319544c7f62SBob Pearson }
1320544c7f62SBob Pearson
1321544c7f62SBob Pearson if (flags & IB_MR_REREG_PD) {
1322544c7f62SBob Pearson rxe_put(old_pd);
1323544c7f62SBob Pearson rxe_get(pd);
1324544c7f62SBob Pearson mr->ibmr.pd = ibpd;
1325544c7f62SBob Pearson }
1326544c7f62SBob Pearson
1327544c7f62SBob Pearson if (flags & IB_MR_REREG_ACCESS) {
1328544c7f62SBob Pearson if (access & ~RXE_ACCESS_SUPPORTED_MR) {
1329544c7f62SBob Pearson rxe_err_mr(mr, "access = %#x not supported", access);
1330544c7f62SBob Pearson return ERR_PTR(-EOPNOTSUPP);
1331544c7f62SBob Pearson }
1332544c7f62SBob Pearson mr->access = access;
1333544c7f62SBob Pearson }
1334544c7f62SBob Pearson
1335544c7f62SBob Pearson return NULL;
1336544c7f62SBob Pearson }
1337544c7f62SBob Pearson
rxe_alloc_mr(struct ib_pd * ibpd,enum ib_mr_type mr_type,u32 max_num_sg)1338c4367a26SShamir Rabinovitch static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
133942a3b153SGal Pressman u32 max_num_sg)
13408700e3e7SMoni Shoua {
13418700e3e7SMoni Shoua struct rxe_dev *rxe = to_rdev(ibpd->device);
13428700e3e7SMoni Shoua struct rxe_pd *pd = to_rpd(ibpd);
1343364e282cSBob Pearson struct rxe_mr *mr;
13445bf944f2SBob Pearson int err, cleanup_err;
13458700e3e7SMoni Shoua
13465bf944f2SBob Pearson if (mr_type != IB_MR_TYPE_MEM_REG) {
13475bf944f2SBob Pearson err = -EINVAL;
13485bf944f2SBob Pearson rxe_dbg_pd(pd, "mr type %d not supported, err = %d",
13495bf944f2SBob Pearson mr_type, err);
13505bf944f2SBob Pearson goto err_out;
13515bf944f2SBob Pearson }
13528700e3e7SMoni Shoua
135372a03627SBob Pearson mr = kzalloc(sizeof(*mr), GFP_KERNEL);
1354b6ba6855SLeon Romanovsky if (!mr)
1355b6ba6855SLeon Romanovsky return ERR_PTR(-ENOMEM);
135672a03627SBob Pearson
135772a03627SBob Pearson err = rxe_add_to_pool(&rxe->mr_pool, mr);
1358b6ba6855SLeon Romanovsky if (err)
135972a03627SBob Pearson goto err_free;
13608700e3e7SMoni Shoua
13613197706aSBob Pearson rxe_get(pd);
136258651bbbSBob Pearson mr->ibmr.pd = ibpd;
13632778b72bSBob Pearson mr->ibmr.device = ibpd->device;
13648700e3e7SMoni Shoua
136558651bbbSBob Pearson err = rxe_mr_init_fast(max_num_sg, mr);
13665bf944f2SBob Pearson if (err) {
13675bf944f2SBob Pearson rxe_dbg_mr(mr, "alloc_mr failed, err = %d", err);
136872a03627SBob Pearson goto err_cleanup;
13695bf944f2SBob Pearson }
13708700e3e7SMoni Shoua
1371215d0a75SBob Pearson rxe_finalize(mr);
13728700e3e7SMoni Shoua return &mr->ibmr;
13738700e3e7SMoni Shoua
137472a03627SBob Pearson err_cleanup:
13755bf944f2SBob Pearson cleanup_err = rxe_cleanup(mr);
13765bf944f2SBob Pearson if (cleanup_err)
13775bf944f2SBob Pearson rxe_err_mr(mr, "cleanup failed, err = %d", err);
137872a03627SBob Pearson err_free:
137972a03627SBob Pearson kfree(mr);
138072a03627SBob Pearson err_out:
13815bf944f2SBob Pearson rxe_err_pd(pd, "returned err = %d", err);
13828700e3e7SMoni Shoua return ERR_PTR(err);
13838700e3e7SMoni Shoua }
13848700e3e7SMoni Shoua
rxe_dereg_mr(struct ib_mr * ibmr,struct ib_udata * udata)13855bf944f2SBob Pearson static int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
13865bf944f2SBob Pearson {
13875bf944f2SBob Pearson struct rxe_mr *mr = to_rmr(ibmr);
13885bf944f2SBob Pearson int err, cleanup_err;
13895bf944f2SBob Pearson
13905bf944f2SBob Pearson /* See IBA 10.6.7.2.6 */
13915bf944f2SBob Pearson if (atomic_read(&mr->num_mw) > 0) {
13925bf944f2SBob Pearson err = -EINVAL;
13935bf944f2SBob Pearson rxe_dbg_mr(mr, "mr has mw's bound");
13945bf944f2SBob Pearson goto err_out;
13955bf944f2SBob Pearson }
13965bf944f2SBob Pearson
13975bf944f2SBob Pearson cleanup_err = rxe_cleanup(mr);
13985bf944f2SBob Pearson if (cleanup_err)
13995bf944f2SBob Pearson rxe_err_mr(mr, "cleanup failed, err = %d", cleanup_err);
14005bf944f2SBob Pearson
1401af96134dSLinus Torvalds kfree_rcu_mightsleep(mr);
14025bf944f2SBob Pearson return 0;
14035bf944f2SBob Pearson
14045bf944f2SBob Pearson err_out:
14055bf944f2SBob Pearson rxe_err_mr(mr, "returned err = %d", err);
14065bf944f2SBob Pearson return err;
14075bf944f2SBob Pearson }
14085bf944f2SBob Pearson
parent_show(struct device * device,struct device_attribute * attr,char * buf)1409c05d2664SKamal Heib static ssize_t parent_show(struct device *device,
14108700e3e7SMoni Shoua struct device_attribute *attr, char *buf)
14118700e3e7SMoni Shoua {
141254747231SParav Pandit struct rxe_dev *rxe =
141354747231SParav Pandit rdma_device_to_drv_device(device, struct rxe_dev, ib_dev);
14148700e3e7SMoni Shoua
14151c7fd726SJoe Perches return sysfs_emit(buf, "%s\n", rxe_parent_name(rxe, 1));
14168700e3e7SMoni Shoua }
14178700e3e7SMoni Shoua
1418c05d2664SKamal Heib static DEVICE_ATTR_RO(parent);
14198700e3e7SMoni Shoua
1420508a523fSParav Pandit static struct attribute *rxe_dev_attributes[] = {
1421508a523fSParav Pandit &dev_attr_parent.attr,
1422508a523fSParav Pandit NULL
1423508a523fSParav Pandit };
1424508a523fSParav Pandit
1425508a523fSParav Pandit static const struct attribute_group rxe_attr_group = {
1426508a523fSParav Pandit .attrs = rxe_dev_attributes,
14278700e3e7SMoni Shoua };
14288700e3e7SMoni Shoua
rxe_enable_driver(struct ib_device * ib_dev)1429ca22354bSJason Gunthorpe static int rxe_enable_driver(struct ib_device *ib_dev)
1430ca22354bSJason Gunthorpe {
1431ca22354bSJason Gunthorpe struct rxe_dev *rxe = container_of(ib_dev, struct rxe_dev, ib_dev);
1432ca22354bSJason Gunthorpe
1433ca22354bSJason Gunthorpe rxe_set_port_state(rxe);
1434ca22354bSJason Gunthorpe dev_info(&rxe->ib_dev.dev, "added %s\n", netdev_name(rxe->ndev));
1435ca22354bSJason Gunthorpe return 0;
1436ca22354bSJason Gunthorpe }
1437ca22354bSJason Gunthorpe
1438573efc4bSKamal Heib static const struct ib_device_ops rxe_dev_ops = {
14397a154142SJason Gunthorpe .owner = THIS_MODULE,
1440b9560a41SJason Gunthorpe .driver_id = RDMA_DRIVER_RXE,
144172c6ec18SJason Gunthorpe .uverbs_abi_ver = RXE_UVERBS_ABI_VERSION,
1442b9560a41SJason Gunthorpe
14434b5f4d3fSJason Gunthorpe .alloc_hw_port_stats = rxe_ib_alloc_hw_port_stats,
1444573efc4bSKamal Heib .alloc_mr = rxe_alloc_mr,
1445beec0239SBob Pearson .alloc_mw = rxe_alloc_mw,
1446573efc4bSKamal Heib .alloc_pd = rxe_alloc_pd,
1447573efc4bSKamal Heib .alloc_ucontext = rxe_alloc_ucontext,
1448573efc4bSKamal Heib .attach_mcast = rxe_attach_mcast,
1449573efc4bSKamal Heib .create_ah = rxe_create_ah,
1450573efc4bSKamal Heib .create_cq = rxe_create_cq,
1451573efc4bSKamal Heib .create_qp = rxe_create_qp,
1452573efc4bSKamal Heib .create_srq = rxe_create_srq,
1453676a80adSJason Gunthorpe .create_user_ah = rxe_create_ah,
1454c367074bSJason Gunthorpe .dealloc_driver = rxe_dealloc,
1455beec0239SBob Pearson .dealloc_mw = rxe_dealloc_mw,
1456573efc4bSKamal Heib .dealloc_pd = rxe_dealloc_pd,
1457573efc4bSKamal Heib .dealloc_ucontext = rxe_dealloc_ucontext,
1458573efc4bSKamal Heib .dereg_mr = rxe_dereg_mr,
1459573efc4bSKamal Heib .destroy_ah = rxe_destroy_ah,
1460573efc4bSKamal Heib .destroy_cq = rxe_destroy_cq,
1461573efc4bSKamal Heib .destroy_qp = rxe_destroy_qp,
1462573efc4bSKamal Heib .destroy_srq = rxe_destroy_srq,
1463573efc4bSKamal Heib .detach_mcast = rxe_detach_mcast,
1464915e4af5SJason Gunthorpe .device_group = &rxe_attr_group,
1465ca22354bSJason Gunthorpe .enable_driver = rxe_enable_driver,
1466573efc4bSKamal Heib .get_dma_mr = rxe_get_dma_mr,
1467573efc4bSKamal Heib .get_hw_stats = rxe_ib_get_hw_stats,
1468573efc4bSKamal Heib .get_link_layer = rxe_get_link_layer,
1469573efc4bSKamal Heib .get_port_immutable = rxe_port_immutable,
1470573efc4bSKamal Heib .map_mr_sg = rxe_map_mr_sg,
1471573efc4bSKamal Heib .mmap = rxe_mmap,
1472573efc4bSKamal Heib .modify_ah = rxe_modify_ah,
1473573efc4bSKamal Heib .modify_device = rxe_modify_device,
1474573efc4bSKamal Heib .modify_port = rxe_modify_port,
1475573efc4bSKamal Heib .modify_qp = rxe_modify_qp,
1476573efc4bSKamal Heib .modify_srq = rxe_modify_srq,
1477573efc4bSKamal Heib .peek_cq = rxe_peek_cq,
1478573efc4bSKamal Heib .poll_cq = rxe_poll_cq,
1479573efc4bSKamal Heib .post_recv = rxe_post_recv,
1480573efc4bSKamal Heib .post_send = rxe_post_send,
1481573efc4bSKamal Heib .post_srq_recv = rxe_post_srq_recv,
1482573efc4bSKamal Heib .query_ah = rxe_query_ah,
1483573efc4bSKamal Heib .query_device = rxe_query_device,
1484573efc4bSKamal Heib .query_pkey = rxe_query_pkey,
1485573efc4bSKamal Heib .query_port = rxe_query_port,
1486573efc4bSKamal Heib .query_qp = rxe_query_qp,
1487573efc4bSKamal Heib .query_srq = rxe_query_srq,
1488573efc4bSKamal Heib .reg_user_mr = rxe_reg_user_mr,
1489573efc4bSKamal Heib .req_notify_cq = rxe_req_notify_cq,
1490544c7f62SBob Pearson .rereg_user_mr = rxe_rereg_user_mr,
1491573efc4bSKamal Heib .resize_cq = rxe_resize_cq,
1492d3456914SLeon Romanovsky
1493d3456914SLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah),
1494e39afe3dSLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_cq, rxe_cq, ibcq),
149521a428a0SLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd),
1496514aee66SLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_qp, rxe_qp, ibqp),
149768e326deSLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_srq, rxe_srq, ibsrq),
1498a2a074efSLeon Romanovsky INIT_RDMA_OBJ_SIZE(ib_ucontext, rxe_ucontext, ibuc),
1499364e282cSBob Pearson INIT_RDMA_OBJ_SIZE(ib_mw, rxe_mw, ibmw),
1500573efc4bSKamal Heib };
1501573efc4bSKamal Heib
rxe_register_device(struct rxe_dev * rxe,const char * ibdev_name)150266920e1bSSteve Wise int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
15038700e3e7SMoni Shoua {
15048700e3e7SMoni Shoua int err;
15058700e3e7SMoni Shoua struct ib_device *dev = &rxe->ib_dev;
15068700e3e7SMoni Shoua
1507dc78074aSBob Pearson strscpy(dev->node_desc, "rxe", sizeof(dev->node_desc));
15088700e3e7SMoni Shoua
15098700e3e7SMoni Shoua dev->node_type = RDMA_NODE_IB_CA;
15108700e3e7SMoni Shoua dev->phys_port_cnt = 1;
151167cf3623SSagi Grimberg dev->num_comp_vectors = num_possible_cpus();
15128700e3e7SMoni Shoua dev->local_dma_lkey = 0;
15134d6f2859SYuval Shaia addrconf_addr_eui48((unsigned char *)&dev->node_guid,
15144d6f2859SYuval Shaia rxe->ndev->dev_addr);
15158700e3e7SMoni Shoua
15165c419366SJason Gunthorpe dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) |
15175c419366SJason Gunthorpe BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ);
15188700e3e7SMoni Shoua
1519573efc4bSKamal Heib ib_set_device_ops(dev, &rxe_dev_ops);
15204c173f59SJason Gunthorpe err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1);
15214c173f59SJason Gunthorpe if (err)
15224c173f59SJason Gunthorpe return err;
15238700e3e7SMoni Shoua
1524add2b3b8SBob Pearson err = rxe_icrc_init(rxe);
1525add2b3b8SBob Pearson if (err)
1526add2b3b8SBob Pearson return err;
1527cee2688eSyonatanc
1528e0477b34SJason Gunthorpe err = ib_register_device(dev, ibdev_name, NULL);
1529c367074bSJason Gunthorpe if (err)
1530a9fb3287SBob Pearson rxe_dbg_dev(rxe, "failed with error %d\n", err);
1531cee2688eSyonatanc
1532ca22354bSJason Gunthorpe /*
1533ca22354bSJason Gunthorpe * Note that rxe may be invalid at this point if another thread
1534ca22354bSJason Gunthorpe * unregistered it.
1535ca22354bSJason Gunthorpe */
15368700e3e7SMoni Shoua return err;
15378700e3e7SMoni Shoua }
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