1256694Snp/* 2256694Snp * Copyright (c) 2009-2013 Chelsio, Inc. All rights reserved. 3256694Snp * 4256694Snp * This software is available to you under a choice of one of two 5256694Snp * licenses. You may choose to be licensed under the terms of the GNU 6256694Snp * General Public License (GPL) Version 2, available from the file 7256694Snp * COPYING in the main directory of this source tree, or the 8256694Snp * OpenIB.org BSD license below: 9256694Snp * 10256694Snp * Redistribution and use in source and binary forms, with or 11256694Snp * without modification, are permitted provided that the following 12256694Snp * conditions are met: 13256694Snp * 14256694Snp * - Redistributions of source code must retain the above 15256694Snp * copyright notice, this list of conditions and the following 16256694Snp * disclaimer. 17256694Snp * - Redistributions in binary form must reproduce the above 18256694Snp * copyright notice, this list of conditions and the following 19256694Snp * disclaimer in the documentation and/or other materials 20256694Snp * provided with the distribution. 21256694Snp * 22256694Snp * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 23256694Snp * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 24256694Snp * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 25256694Snp * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 26256694Snp * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 27256694Snp * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 28256694Snp * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 29256694Snp * SOFTWARE. 30256694Snp * 31256694Snp * $FreeBSD$ 32256694Snp */ 33256694Snp#ifndef __IW_CXGB4_H__ 34256694Snp#define __IW_CXGB4_H__ 35256694Snp 36256694Snp#include <linux/list.h> 37256694Snp#include <linux/spinlock.h> 38256694Snp#include <linux/idr.h> 39256694Snp#include <linux/completion.h> 40256694Snp#include <linux/netdevice.h> 41256694Snp#include <linux/sched.h> 42256694Snp#include <linux/pci.h> 43256694Snp#include <linux/dma-mapping.h> 44256694Snp#include <linux/inet.h> 45256694Snp#include <linux/wait.h> 46256694Snp#include <linux/kref.h> 47256694Snp#include <linux/timer.h> 48256694Snp#include <linux/io.h> 49256694Snp 50256694Snp#include <asm/byteorder.h> 51256694Snp 52256694Snp#include <netinet/in.h> 53256694Snp#include <netinet/toecore.h> 54256694Snp 55256694Snp#include <rdma/ib_verbs.h> 56256694Snp#include <rdma/iw_cm.h> 57256694Snp 58256694Snp#undef prefetch 59256694Snp 60256694Snp#include "common/common.h" 61256694Snp#include "common/t4_msg.h" 62256694Snp#include "common/t4_regs.h" 63256694Snp#include "common/t4_tcb.h" 64256694Snp#include "t4_l2t.h" 65256694Snp 66256694Snp#define DRV_NAME "iw_cxgbe" 67256694Snp#define MOD DRV_NAME ":" 68256694Snp#define KTR_IW_CXGBE KTR_SPARE3 69256694Snp 70256694Snpextern int c4iw_debug; 71256694Snp#define PDBG(fmt, args...) \ 72256694Snpdo { \ 73256694Snp if (c4iw_debug) \ 74256694Snp printf(MOD fmt, ## args); \ 75256694Snp} while (0) 76256694Snp 77256694Snp#include "t4.h" 78256694Snp 79256694Snpstatic inline void *cplhdr(struct mbuf *m) 80256694Snp{ 81256694Snp return mtod(m, void*); 82256694Snp} 83256694Snp 84256694Snp#define PBL_OFF(rdev_p, a) ((a) - (rdev_p)->adap->vres.pbl.start) 85256694Snp#define RQT_OFF(rdev_p, a) ((a) - (rdev_p)->adap->vres.rq.start) 86256694Snp 87256694Snp#define C4IW_ID_TABLE_F_RANDOM 1 /* Pseudo-randomize the id's returned */ 88256694Snp#define C4IW_ID_TABLE_F_EMPTY 2 /* Table is initially empty */ 89256694Snp 90256694Snpstruct c4iw_id_table { 91256694Snp u32 flags; 92256694Snp u32 start; /* logical minimal id */ 93256694Snp u32 last; /* hint for find */ 94256694Snp u32 max; 95256694Snp spinlock_t lock; 96256694Snp unsigned long *table; 97256694Snp}; 98256694Snp 99256694Snpstruct c4iw_resource { 100256694Snp struct c4iw_id_table tpt_table; 101256694Snp struct c4iw_id_table qid_table; 102256694Snp struct c4iw_id_table pdid_table; 103256694Snp}; 104256694Snp 105256694Snpstruct c4iw_qid_list { 106256694Snp struct list_head entry; 107256694Snp u32 qid; 108256694Snp}; 109256694Snp 110256694Snpstruct c4iw_dev_ucontext { 111256694Snp struct list_head qpids; 112256694Snp struct list_head cqids; 113256694Snp struct mutex lock; 114256694Snp}; 115256694Snp 116256694Snpenum c4iw_rdev_flags { 117256694Snp T4_FATAL_ERROR = (1<<0), 118256694Snp}; 119256694Snp 120256694Snpstruct c4iw_stat { 121256694Snp u64 total; 122256694Snp u64 cur; 123256694Snp u64 max; 124256694Snp u64 fail; 125256694Snp}; 126256694Snp 127256694Snpstruct c4iw_stats { 128256694Snp struct mutex lock; 129256694Snp struct c4iw_stat qid; 130256694Snp struct c4iw_stat pd; 131256694Snp struct c4iw_stat stag; 132256694Snp struct c4iw_stat pbl; 133256694Snp struct c4iw_stat rqt; 134256694Snp u64 db_full; 135256694Snp u64 db_empty; 136256694Snp u64 db_drop; 137256694Snp u64 db_state_transitions; 138256694Snp}; 139256694Snp 140256694Snpstruct c4iw_rdev { 141256694Snp struct adapter *adap; 142256694Snp struct c4iw_resource resource; 143256694Snp unsigned long qpshift; 144256694Snp u32 qpmask; 145256694Snp unsigned long cqshift; 146256694Snp u32 cqmask; 147256694Snp struct c4iw_dev_ucontext uctx; 148256694Snp struct gen_pool *pbl_pool; 149256694Snp struct gen_pool *rqt_pool; 150256694Snp u32 flags; 151256694Snp struct c4iw_stats stats; 152256694Snp}; 153256694Snp 154256694Snpstatic inline int c4iw_fatal_error(struct c4iw_rdev *rdev) 155256694Snp{ 156256694Snp return rdev->flags & T4_FATAL_ERROR; 157256694Snp} 158256694Snp 159256694Snpstatic inline int c4iw_num_stags(struct c4iw_rdev *rdev) 160256694Snp{ 161256694Snp return min((int)T4_MAX_NUM_STAG, (int)(rdev->adap->vres.stag.size >> 5)); 162256694Snp} 163256694Snp 164256694Snp#define C4IW_WR_TO (10*HZ) 165256694Snp 166256694Snpstruct c4iw_wr_wait { 167256694Snp int ret; 168256694Snp atomic_t completion; 169256694Snp}; 170256694Snp 171256694Snpstatic inline void c4iw_init_wr_wait(struct c4iw_wr_wait *wr_waitp) 172256694Snp{ 173256694Snp wr_waitp->ret = 0; 174256694Snp atomic_set(&wr_waitp->completion, 0); 175256694Snp} 176256694Snp 177256694Snpstatic inline void c4iw_wake_up(struct c4iw_wr_wait *wr_waitp, int ret) 178256694Snp{ 179256694Snp wr_waitp->ret = ret; 180256694Snp atomic_set(&wr_waitp->completion, 1); 181256694Snp wakeup(wr_waitp); 182256694Snp} 183256694Snp 184256694Snpstatic inline int 185256694Snpc4iw_wait_for_reply(struct c4iw_rdev *rdev, struct c4iw_wr_wait *wr_waitp, 186256694Snp u32 hwtid, u32 qpid, const char *func) 187256694Snp{ 188256694Snp struct adapter *sc = rdev->adap; 189256694Snp unsigned to = C4IW_WR_TO; 190256694Snp 191256694Snp while (!atomic_read(&wr_waitp->completion)) { 192256694Snp tsleep(wr_waitp, 0, "c4iw_wait", to); 193256694Snp if (SIGPENDING(curthread)) { 194256694Snp printf("%s - Device %s not responding - " 195256694Snp "tid %u qpid %u\n", func, 196256694Snp device_get_nameunit(sc->dev), hwtid, qpid); 197256694Snp if (c4iw_fatal_error(rdev)) { 198256694Snp wr_waitp->ret = -EIO; 199256694Snp break; 200256694Snp } 201256694Snp to = to << 2; 202256694Snp } 203256694Snp } 204256694Snp if (wr_waitp->ret) 205256694Snp CTR4(KTR_IW_CXGBE, "%s: FW reply %d tid %u qpid %u", 206256694Snp device_get_nameunit(sc->dev), wr_waitp->ret, hwtid, qpid); 207256694Snp return (wr_waitp->ret); 208256694Snp} 209256694Snp 210256694Snpenum db_state { 211256694Snp NORMAL = 0, 212256694Snp FLOW_CONTROL = 1, 213256694Snp RECOVERY = 2 214256694Snp}; 215256694Snp 216256694Snpstruct c4iw_dev { 217256694Snp struct ib_device ibdev; 218256694Snp struct c4iw_rdev rdev; 219256694Snp u32 device_cap_flags; 220256694Snp struct idr cqidr; 221256694Snp struct idr qpidr; 222256694Snp struct idr mmidr; 223256694Snp spinlock_t lock; 224256694Snp struct dentry *debugfs_root; 225256694Snp enum db_state db_state; 226256694Snp int qpcnt; 227256694Snp}; 228256694Snp 229256694Snpstatic inline struct c4iw_dev *to_c4iw_dev(struct ib_device *ibdev) 230256694Snp{ 231256694Snp return container_of(ibdev, struct c4iw_dev, ibdev); 232256694Snp} 233256694Snp 234256694Snpstatic inline struct c4iw_dev *rdev_to_c4iw_dev(struct c4iw_rdev *rdev) 235256694Snp{ 236256694Snp return container_of(rdev, struct c4iw_dev, rdev); 237256694Snp} 238256694Snp 239256694Snpstatic inline struct c4iw_cq *get_chp(struct c4iw_dev *rhp, u32 cqid) 240256694Snp{ 241256694Snp return idr_find(&rhp->cqidr, cqid); 242256694Snp} 243256694Snp 244256694Snpstatic inline struct c4iw_qp *get_qhp(struct c4iw_dev *rhp, u32 qpid) 245256694Snp{ 246256694Snp return idr_find(&rhp->qpidr, qpid); 247256694Snp} 248256694Snp 249256694Snpstatic inline struct c4iw_mr *get_mhp(struct c4iw_dev *rhp, u32 mmid) 250256694Snp{ 251256694Snp return idr_find(&rhp->mmidr, mmid); 252256694Snp} 253256694Snp 254256694Snpstatic inline int _insert_handle(struct c4iw_dev *rhp, struct idr *idr, 255256694Snp void *handle, u32 id, int lock) 256256694Snp{ 257256694Snp int ret; 258256694Snp int newid; 259256694Snp 260256694Snp do { 261256694Snp if (!idr_pre_get(idr, lock ? GFP_KERNEL : GFP_ATOMIC)) 262256694Snp return -ENOMEM; 263256694Snp if (lock) 264256694Snp spin_lock_irq(&rhp->lock); 265256694Snp ret = idr_get_new_above(idr, handle, id, &newid); 266256694Snp BUG_ON(!ret && newid != id); 267256694Snp if (lock) 268256694Snp spin_unlock_irq(&rhp->lock); 269256694Snp } while (ret == -EAGAIN); 270256694Snp 271256694Snp return ret; 272256694Snp} 273256694Snp 274256694Snpstatic inline int insert_handle(struct c4iw_dev *rhp, struct idr *idr, 275256694Snp void *handle, u32 id) 276256694Snp{ 277256694Snp return _insert_handle(rhp, idr, handle, id, 1); 278256694Snp} 279256694Snp 280256694Snpstatic inline int insert_handle_nolock(struct c4iw_dev *rhp, struct idr *idr, 281256694Snp void *handle, u32 id) 282256694Snp{ 283256694Snp return _insert_handle(rhp, idr, handle, id, 0); 284256694Snp} 285256694Snp 286256694Snpstatic inline void _remove_handle(struct c4iw_dev *rhp, struct idr *idr, 287256694Snp u32 id, int lock) 288256694Snp{ 289256694Snp if (lock) 290256694Snp spin_lock_irq(&rhp->lock); 291256694Snp idr_remove(idr, id); 292256694Snp if (lock) 293256694Snp spin_unlock_irq(&rhp->lock); 294256694Snp} 295256694Snp 296256694Snpstatic inline void remove_handle(struct c4iw_dev *rhp, struct idr *idr, u32 id) 297256694Snp{ 298256694Snp _remove_handle(rhp, idr, id, 1); 299256694Snp} 300256694Snp 301256694Snpstatic inline void remove_handle_nolock(struct c4iw_dev *rhp, 302256694Snp struct idr *idr, u32 id) 303256694Snp{ 304256694Snp _remove_handle(rhp, idr, id, 0); 305256694Snp} 306256694Snp 307256694Snpstruct c4iw_pd { 308256694Snp struct ib_pd ibpd; 309256694Snp u32 pdid; 310256694Snp struct c4iw_dev *rhp; 311256694Snp}; 312256694Snp 313256694Snpstatic inline struct c4iw_pd *to_c4iw_pd(struct ib_pd *ibpd) 314256694Snp{ 315256694Snp return container_of(ibpd, struct c4iw_pd, ibpd); 316256694Snp} 317256694Snp 318256694Snpstruct tpt_attributes { 319256694Snp u64 len; 320256694Snp u64 va_fbo; 321256694Snp enum fw_ri_mem_perms perms; 322256694Snp u32 stag; 323256694Snp u32 pdid; 324256694Snp u32 qpid; 325256694Snp u32 pbl_addr; 326256694Snp u32 pbl_size; 327256694Snp u32 state:1; 328256694Snp u32 type:2; 329256694Snp u32 rsvd:1; 330256694Snp u32 remote_invaliate_disable:1; 331256694Snp u32 zbva:1; 332256694Snp u32 mw_bind_enable:1; 333256694Snp u32 page_size:5; 334256694Snp}; 335256694Snp 336256694Snpstruct c4iw_mr { 337256694Snp struct ib_mr ibmr; 338256694Snp struct ib_umem *umem; 339256694Snp struct c4iw_dev *rhp; 340256694Snp u64 kva; 341256694Snp struct tpt_attributes attr; 342256694Snp}; 343256694Snp 344256694Snpstatic inline struct c4iw_mr *to_c4iw_mr(struct ib_mr *ibmr) 345256694Snp{ 346256694Snp return container_of(ibmr, struct c4iw_mr, ibmr); 347256694Snp} 348256694Snp 349256694Snpstruct c4iw_mw { 350256694Snp struct ib_mw ibmw; 351256694Snp struct c4iw_dev *rhp; 352256694Snp u64 kva; 353256694Snp struct tpt_attributes attr; 354256694Snp}; 355256694Snp 356256694Snpstatic inline struct c4iw_mw *to_c4iw_mw(struct ib_mw *ibmw) 357256694Snp{ 358256694Snp return container_of(ibmw, struct c4iw_mw, ibmw); 359256694Snp} 360256694Snp 361256694Snpstruct c4iw_fr_page_list { 362256694Snp struct ib_fast_reg_page_list ibpl; 363256694Snp DECLARE_PCI_UNMAP_ADDR(mapping); 364256694Snp dma_addr_t dma_addr; 365256694Snp struct c4iw_dev *dev; 366256694Snp int size; 367256694Snp}; 368256694Snp 369256694Snpstatic inline struct c4iw_fr_page_list *to_c4iw_fr_page_list( 370256694Snp struct ib_fast_reg_page_list *ibpl) 371256694Snp{ 372256694Snp return container_of(ibpl, struct c4iw_fr_page_list, ibpl); 373256694Snp} 374256694Snp 375256694Snpstruct c4iw_cq { 376256694Snp struct ib_cq ibcq; 377256694Snp struct c4iw_dev *rhp; 378256694Snp struct t4_cq cq; 379256694Snp spinlock_t lock; 380256694Snp spinlock_t comp_handler_lock; 381256694Snp atomic_t refcnt; 382256694Snp wait_queue_head_t wait; 383256694Snp}; 384256694Snp 385256694Snpstatic inline struct c4iw_cq *to_c4iw_cq(struct ib_cq *ibcq) 386256694Snp{ 387256694Snp return container_of(ibcq, struct c4iw_cq, ibcq); 388256694Snp} 389256694Snp 390256694Snpstruct c4iw_mpa_attributes { 391256694Snp u8 initiator; 392256694Snp u8 recv_marker_enabled; 393256694Snp u8 xmit_marker_enabled; 394256694Snp u8 crc_enabled; 395256694Snp u8 enhanced_rdma_conn; 396256694Snp u8 version; 397256694Snp u8 p2p_type; 398256694Snp}; 399256694Snp 400256694Snpstruct c4iw_qp_attributes { 401256694Snp u32 scq; 402256694Snp u32 rcq; 403256694Snp u32 sq_num_entries; 404256694Snp u32 rq_num_entries; 405256694Snp u32 sq_max_sges; 406256694Snp u32 sq_max_sges_rdma_write; 407256694Snp u32 rq_max_sges; 408256694Snp u32 state; 409256694Snp u8 enable_rdma_read; 410256694Snp u8 enable_rdma_write; 411256694Snp u8 enable_bind; 412256694Snp u8 enable_mmid0_fastreg; 413256694Snp u32 max_ord; 414256694Snp u32 max_ird; 415256694Snp u32 pd; 416256694Snp u32 next_state; 417256694Snp char terminate_buffer[52]; 418256694Snp u32 terminate_msg_len; 419256694Snp u8 is_terminate_local; 420256694Snp struct c4iw_mpa_attributes mpa_attr; 421256694Snp struct c4iw_ep *llp_stream_handle; 422256694Snp u8 layer_etype; 423256694Snp u8 ecode; 424256694Snp u16 sq_db_inc; 425256694Snp u16 rq_db_inc; 426256694Snp}; 427256694Snp 428256694Snpstruct c4iw_qp { 429256694Snp struct ib_qp ibqp; 430256694Snp struct c4iw_dev *rhp; 431256694Snp struct c4iw_ep *ep; 432256694Snp struct c4iw_qp_attributes attr; 433256694Snp struct t4_wq wq; 434256694Snp spinlock_t lock; 435256694Snp struct mutex mutex; 436256694Snp atomic_t refcnt; 437256694Snp wait_queue_head_t wait; 438256694Snp struct timer_list timer; 439256694Snp}; 440256694Snp 441256694Snpstatic inline struct c4iw_qp *to_c4iw_qp(struct ib_qp *ibqp) 442256694Snp{ 443256694Snp return container_of(ibqp, struct c4iw_qp, ibqp); 444256694Snp} 445256694Snp 446256694Snpstruct c4iw_ucontext { 447256694Snp struct ib_ucontext ibucontext; 448256694Snp struct c4iw_dev_ucontext uctx; 449256694Snp u32 key; 450256694Snp spinlock_t mmap_lock; 451256694Snp struct list_head mmaps; 452256694Snp}; 453256694Snp 454256694Snpstatic inline struct c4iw_ucontext *to_c4iw_ucontext(struct ib_ucontext *c) 455256694Snp{ 456256694Snp return container_of(c, struct c4iw_ucontext, ibucontext); 457256694Snp} 458256694Snp 459256694Snpstruct c4iw_mm_entry { 460256694Snp struct list_head entry; 461256694Snp u64 addr; 462256694Snp u32 key; 463256694Snp unsigned len; 464256694Snp}; 465256694Snp 466256694Snpstatic inline struct c4iw_mm_entry *remove_mmap(struct c4iw_ucontext *ucontext, 467256694Snp u32 key, unsigned len) 468256694Snp{ 469256694Snp struct list_head *pos, *nxt; 470256694Snp struct c4iw_mm_entry *mm; 471256694Snp 472256694Snp spin_lock(&ucontext->mmap_lock); 473256694Snp list_for_each_safe(pos, nxt, &ucontext->mmaps) { 474256694Snp 475256694Snp mm = list_entry(pos, struct c4iw_mm_entry, entry); 476256694Snp if (mm->key == key && mm->len == len) { 477256694Snp list_del_init(&mm->entry); 478256694Snp spin_unlock(&ucontext->mmap_lock); 479256694Snp CTR4(KTR_IW_CXGBE, "%s key 0x%x addr 0x%llx len %d", 480256694Snp __func__, key, (unsigned long long) mm->addr, 481256694Snp mm->len); 482256694Snp return mm; 483256694Snp } 484256694Snp } 485256694Snp spin_unlock(&ucontext->mmap_lock); 486256694Snp return NULL; 487256694Snp} 488256694Snp 489256694Snpstatic inline void insert_mmap(struct c4iw_ucontext *ucontext, 490256694Snp struct c4iw_mm_entry *mm) 491256694Snp{ 492256694Snp spin_lock(&ucontext->mmap_lock); 493256694Snp CTR4(KTR_IW_CXGBE, "%s key 0x%x addr 0x%llx len %d", __func__, mm->key, 494256694Snp (unsigned long long) mm->addr, mm->len); 495256694Snp list_add_tail(&mm->entry, &ucontext->mmaps); 496256694Snp spin_unlock(&ucontext->mmap_lock); 497256694Snp} 498256694Snp 499256694Snpenum c4iw_qp_attr_mask { 500256694Snp C4IW_QP_ATTR_NEXT_STATE = 1 << 0, 501256694Snp C4IW_QP_ATTR_SQ_DB = 1<<1, 502256694Snp C4IW_QP_ATTR_RQ_DB = 1<<2, 503256694Snp C4IW_QP_ATTR_ENABLE_RDMA_READ = 1 << 7, 504256694Snp C4IW_QP_ATTR_ENABLE_RDMA_WRITE = 1 << 8, 505256694Snp C4IW_QP_ATTR_ENABLE_RDMA_BIND = 1 << 9, 506256694Snp C4IW_QP_ATTR_MAX_ORD = 1 << 11, 507256694Snp C4IW_QP_ATTR_MAX_IRD = 1 << 12, 508256694Snp C4IW_QP_ATTR_LLP_STREAM_HANDLE = 1 << 22, 509256694Snp C4IW_QP_ATTR_STREAM_MSG_BUFFER = 1 << 23, 510256694Snp C4IW_QP_ATTR_MPA_ATTR = 1 << 24, 511256694Snp C4IW_QP_ATTR_QP_CONTEXT_ACTIVATE = 1 << 25, 512256694Snp C4IW_QP_ATTR_VALID_MODIFY = (C4IW_QP_ATTR_ENABLE_RDMA_READ | 513256694Snp C4IW_QP_ATTR_ENABLE_RDMA_WRITE | 514256694Snp C4IW_QP_ATTR_MAX_ORD | 515256694Snp C4IW_QP_ATTR_MAX_IRD | 516256694Snp C4IW_QP_ATTR_LLP_STREAM_HANDLE | 517256694Snp C4IW_QP_ATTR_STREAM_MSG_BUFFER | 518256694Snp C4IW_QP_ATTR_MPA_ATTR | 519256694Snp C4IW_QP_ATTR_QP_CONTEXT_ACTIVATE) 520256694Snp}; 521256694Snp 522256694Snpint c4iw_modify_qp(struct c4iw_dev *rhp, 523256694Snp struct c4iw_qp *qhp, 524256694Snp enum c4iw_qp_attr_mask mask, 525256694Snp struct c4iw_qp_attributes *attrs, 526256694Snp int internal); 527256694Snp 528256694Snpenum c4iw_qp_state { 529256694Snp C4IW_QP_STATE_IDLE, 530256694Snp C4IW_QP_STATE_RTS, 531256694Snp C4IW_QP_STATE_ERROR, 532256694Snp C4IW_QP_STATE_TERMINATE, 533256694Snp C4IW_QP_STATE_CLOSING, 534256694Snp C4IW_QP_STATE_TOT 535256694Snp}; 536256694Snp 537256694Snpstatic inline int c4iw_convert_state(enum ib_qp_state ib_state) 538256694Snp{ 539256694Snp switch (ib_state) { 540256694Snp case IB_QPS_RESET: 541256694Snp case IB_QPS_INIT: 542256694Snp return C4IW_QP_STATE_IDLE; 543256694Snp case IB_QPS_RTS: 544256694Snp return C4IW_QP_STATE_RTS; 545256694Snp case IB_QPS_SQD: 546256694Snp return C4IW_QP_STATE_CLOSING; 547256694Snp case IB_QPS_SQE: 548256694Snp return C4IW_QP_STATE_TERMINATE; 549256694Snp case IB_QPS_ERR: 550256694Snp return C4IW_QP_STATE_ERROR; 551256694Snp default: 552256694Snp return -1; 553256694Snp } 554256694Snp} 555256694Snp 556256694Snpstatic inline int to_ib_qp_state(int c4iw_qp_state) 557256694Snp{ 558256694Snp switch (c4iw_qp_state) { 559256694Snp case C4IW_QP_STATE_IDLE: 560256694Snp return IB_QPS_INIT; 561256694Snp case C4IW_QP_STATE_RTS: 562256694Snp return IB_QPS_RTS; 563256694Snp case C4IW_QP_STATE_CLOSING: 564256694Snp return IB_QPS_SQD; 565256694Snp case C4IW_QP_STATE_TERMINATE: 566256694Snp return IB_QPS_SQE; 567256694Snp case C4IW_QP_STATE_ERROR: 568256694Snp return IB_QPS_ERR; 569256694Snp } 570256694Snp return IB_QPS_ERR; 571256694Snp} 572256694Snp 573256694Snpstatic inline u32 c4iw_ib_to_tpt_access(int a) 574256694Snp{ 575256694Snp return (a & IB_ACCESS_REMOTE_WRITE ? FW_RI_MEM_ACCESS_REM_WRITE : 0) | 576256694Snp (a & IB_ACCESS_REMOTE_READ ? FW_RI_MEM_ACCESS_REM_READ : 0) | 577256694Snp (a & IB_ACCESS_LOCAL_WRITE ? FW_RI_MEM_ACCESS_LOCAL_WRITE : 0) | 578256694Snp FW_RI_MEM_ACCESS_LOCAL_READ; 579256694Snp} 580256694Snp 581256694Snpstatic inline u32 c4iw_ib_to_tpt_bind_access(int acc) 582256694Snp{ 583256694Snp return (acc & IB_ACCESS_REMOTE_WRITE ? FW_RI_MEM_ACCESS_REM_WRITE : 0) | 584256694Snp (acc & IB_ACCESS_REMOTE_READ ? FW_RI_MEM_ACCESS_REM_READ : 0); 585256694Snp} 586256694Snp 587256694Snpenum c4iw_mmid_state { 588256694Snp C4IW_STAG_STATE_VALID, 589256694Snp C4IW_STAG_STATE_INVALID 590256694Snp}; 591256694Snp 592256694Snp#define C4IW_NODE_DESC "iw_cxgbe Chelsio Communications" 593256694Snp 594256694Snp#define MPA_KEY_REQ "MPA ID Req Frame" 595256694Snp#define MPA_KEY_REP "MPA ID Rep Frame" 596256694Snp 597256694Snp#define MPA_MAX_PRIVATE_DATA 256 598256694Snp#define MPA_ENHANCED_RDMA_CONN 0x10 599256694Snp#define MPA_REJECT 0x20 600256694Snp#define MPA_CRC 0x40 601256694Snp#define MPA_MARKERS 0x80 602256694Snp#define MPA_FLAGS_MASK 0xE0 603256694Snp 604256694Snp#define MPA_V2_PEER2PEER_MODEL 0x8000 605256694Snp#define MPA_V2_ZERO_LEN_FPDU_RTR 0x4000 606256694Snp#define MPA_V2_RDMA_WRITE_RTR 0x8000 607256694Snp#define MPA_V2_RDMA_READ_RTR 0x4000 608256694Snp#define MPA_V2_IRD_ORD_MASK 0x3FFF 609256694Snp 610256694Snp/* Fixme: Use atomic_read for kref.count as same as Linux */ 611256694Snp#define c4iw_put_ep(ep) { \ 612256694Snp CTR4(KTR_IW_CXGBE, "put_ep (%s:%u) ep %p, refcnt %d", \ 613256694Snp __func__, __LINE__, ep, (ep)->kref.count); \ 614256694Snp WARN_ON((ep)->kref.count < 1); \ 615256694Snp kref_put(&((ep)->kref), _c4iw_free_ep); \ 616256694Snp} 617256694Snp 618256694Snp/* Fixme: Use atomic_read for kref.count as same as Linux */ 619256694Snp#define c4iw_get_ep(ep) { \ 620256694Snp CTR4(KTR_IW_CXGBE, "get_ep (%s:%u) ep %p, refcnt %d", \ 621256694Snp __func__, __LINE__, ep, (ep)->kref.count); \ 622256694Snp kref_get(&((ep)->kref)); \ 623256694Snp} 624256694Snp 625256694Snpvoid _c4iw_free_ep(struct kref *kref); 626256694Snp 627256694Snpstruct mpa_message { 628256694Snp u8 key[16]; 629256694Snp u8 flags; 630256694Snp u8 revision; 631256694Snp __be16 private_data_size; 632256694Snp u8 private_data[0]; 633256694Snp}; 634256694Snp 635256694Snpstruct mpa_v2_conn_params { 636256694Snp __be16 ird; 637256694Snp __be16 ord; 638256694Snp}; 639256694Snp 640256694Snpstruct terminate_message { 641256694Snp u8 layer_etype; 642256694Snp u8 ecode; 643256694Snp __be16 hdrct_rsvd; 644256694Snp u8 len_hdrs[0]; 645256694Snp}; 646256694Snp 647256694Snp#define TERM_MAX_LENGTH (sizeof(struct terminate_message) + 2 + 18 + 28) 648256694Snp 649256694Snpenum c4iw_layers_types { 650256694Snp LAYER_RDMAP = 0x00, 651256694Snp LAYER_DDP = 0x10, 652256694Snp LAYER_MPA = 0x20, 653256694Snp RDMAP_LOCAL_CATA = 0x00, 654256694Snp RDMAP_REMOTE_PROT = 0x01, 655256694Snp RDMAP_REMOTE_OP = 0x02, 656256694Snp DDP_LOCAL_CATA = 0x00, 657256694Snp DDP_TAGGED_ERR = 0x01, 658256694Snp DDP_UNTAGGED_ERR = 0x02, 659256694Snp DDP_LLP = 0x03 660256694Snp}; 661256694Snp 662256694Snpenum c4iw_rdma_ecodes { 663256694Snp RDMAP_INV_STAG = 0x00, 664256694Snp RDMAP_BASE_BOUNDS = 0x01, 665256694Snp RDMAP_ACC_VIOL = 0x02, 666256694Snp RDMAP_STAG_NOT_ASSOC = 0x03, 667256694Snp RDMAP_TO_WRAP = 0x04, 668256694Snp RDMAP_INV_VERS = 0x05, 669256694Snp RDMAP_INV_OPCODE = 0x06, 670256694Snp RDMAP_STREAM_CATA = 0x07, 671256694Snp RDMAP_GLOBAL_CATA = 0x08, 672256694Snp RDMAP_CANT_INV_STAG = 0x09, 673256694Snp RDMAP_UNSPECIFIED = 0xff 674256694Snp}; 675256694Snp 676256694Snpenum c4iw_ddp_ecodes { 677256694Snp DDPT_INV_STAG = 0x00, 678256694Snp DDPT_BASE_BOUNDS = 0x01, 679256694Snp DDPT_STAG_NOT_ASSOC = 0x02, 680256694Snp DDPT_TO_WRAP = 0x03, 681256694Snp DDPT_INV_VERS = 0x04, 682256694Snp DDPU_INV_QN = 0x01, 683256694Snp DDPU_INV_MSN_NOBUF = 0x02, 684256694Snp DDPU_INV_MSN_RANGE = 0x03, 685256694Snp DDPU_INV_MO = 0x04, 686256694Snp DDPU_MSG_TOOBIG = 0x05, 687256694Snp DDPU_INV_VERS = 0x06 688256694Snp}; 689256694Snp 690256694Snpenum c4iw_mpa_ecodes { 691256694Snp MPA_CRC_ERR = 0x02, 692256694Snp MPA_MARKER_ERR = 0x03, 693256694Snp MPA_LOCAL_CATA = 0x05, 694256694Snp MPA_INSUFF_IRD = 0x06, 695256694Snp MPA_NOMATCH_RTR = 0x07, 696256694Snp}; 697256694Snp 698256694Snpenum c4iw_ep_state { 699256694Snp IDLE = 0, 700256694Snp LISTEN, 701256694Snp CONNECTING, 702256694Snp MPA_REQ_WAIT, 703256694Snp MPA_REQ_SENT, 704256694Snp MPA_REQ_RCVD, 705256694Snp MPA_REP_SENT, 706256694Snp FPDU_MODE, 707256694Snp ABORTING, 708256694Snp CLOSING, 709256694Snp MORIBUND, 710256694Snp DEAD, 711256694Snp}; 712256694Snp 713256694Snpenum c4iw_ep_flags { 714256694Snp PEER_ABORT_IN_PROGRESS = 0, 715256694Snp ABORT_REQ_IN_PROGRESS = 1, 716256694Snp RELEASE_RESOURCES = 2, 717256694Snp CLOSE_SENT = 3, 718256694Snp TIMEOUT = 4 719256694Snp}; 720256694Snp 721256694Snpenum c4iw_ep_history { 722256694Snp ACT_OPEN_REQ = 0, 723256694Snp ACT_OFLD_CONN = 1, 724256694Snp ACT_OPEN_RPL = 2, 725256694Snp ACT_ESTAB = 3, 726256694Snp PASS_ACCEPT_REQ = 4, 727256694Snp PASS_ESTAB = 5, 728256694Snp ABORT_UPCALL = 6, 729256694Snp ESTAB_UPCALL = 7, 730256694Snp CLOSE_UPCALL = 8, 731256694Snp ULP_ACCEPT = 9, 732256694Snp ULP_REJECT = 10, 733256694Snp TIMEDOUT = 11, 734256694Snp PEER_ABORT = 12, 735256694Snp PEER_CLOSE = 13, 736256694Snp CONNREQ_UPCALL = 14, 737256694Snp ABORT_CONN = 15, 738256694Snp DISCONN_UPCALL = 16, 739256694Snp EP_DISC_CLOSE = 17, 740256694Snp EP_DISC_ABORT = 18, 741256694Snp CONN_RPL_UPCALL = 19, 742256694Snp ACT_RETRY_NOMEM = 20, 743256694Snp ACT_RETRY_INUSE = 21 744256694Snp}; 745256694Snp 746256694Snpstruct c4iw_ep_common { 747256694Snp TAILQ_ENTRY(c4iw_ep_common) entry; /* Work queue attachment */ 748256694Snp struct iw_cm_id *cm_id; 749256694Snp struct c4iw_qp *qp; 750256694Snp struct c4iw_dev *dev; 751256694Snp enum c4iw_ep_state state; 752256694Snp struct kref kref; 753256694Snp struct mutex mutex; 754256694Snp struct sockaddr_in local_addr; 755256694Snp struct sockaddr_in remote_addr; 756256694Snp struct c4iw_wr_wait wr_wait; 757256694Snp unsigned long flags; 758256694Snp unsigned long history; 759256694Snp int rpl_err; 760256694Snp int rpl_done; 761256694Snp struct thread *thread; 762256694Snp struct socket *so; 763256694Snp}; 764256694Snp 765256694Snpstruct c4iw_listen_ep { 766256694Snp struct c4iw_ep_common com; 767256694Snp unsigned int stid; 768256694Snp int backlog; 769256694Snp}; 770256694Snp 771256694Snpstruct c4iw_ep { 772256694Snp struct c4iw_ep_common com; 773256694Snp struct c4iw_ep *parent_ep; 774256694Snp struct timer_list timer; 775256694Snp struct list_head entry; 776256694Snp unsigned int atid; 777256694Snp u32 hwtid; 778256694Snp u32 snd_seq; 779256694Snp u32 rcv_seq; 780256694Snp struct l2t_entry *l2t; 781256694Snp struct dst_entry *dst; 782256694Snp struct c4iw_mpa_attributes mpa_attr; 783256694Snp u8 mpa_pkt[sizeof(struct mpa_message) + MPA_MAX_PRIVATE_DATA]; 784256694Snp unsigned int mpa_pkt_len; 785256694Snp u32 ird; 786256694Snp u32 ord; 787256694Snp u32 smac_idx; 788256694Snp u32 tx_chan; 789256694Snp u32 mtu; 790256694Snp u16 mss; 791256694Snp u16 emss; 792256694Snp u16 plen; 793256694Snp u16 rss_qid; 794256694Snp u16 txq_idx; 795256694Snp u16 ctrlq_idx; 796256694Snp u8 tos; 797256694Snp u8 retry_with_mpa_v1; 798256694Snp u8 tried_with_mpa_v1; 799256694Snp}; 800256694Snp 801256694Snpstatic inline struct c4iw_ep *to_ep(struct iw_cm_id *cm_id) 802256694Snp{ 803256694Snp return cm_id->provider_data; 804256694Snp} 805256694Snp 806256694Snpstatic inline struct c4iw_listen_ep *to_listen_ep(struct iw_cm_id *cm_id) 807256694Snp{ 808256694Snp return cm_id->provider_data; 809256694Snp} 810256694Snp 811256694Snpstatic inline int compute_wscale(int win) 812256694Snp{ 813256694Snp int wscale = 0; 814256694Snp 815256694Snp while (wscale < 14 && (65535<<wscale) < win) 816256694Snp wscale++; 817256694Snp return wscale; 818256694Snp} 819256694Snp 820256694Snpu32 c4iw_id_alloc(struct c4iw_id_table *alloc); 821256694Snpvoid c4iw_id_free(struct c4iw_id_table *alloc, u32 obj); 822256694Snpint c4iw_id_table_alloc(struct c4iw_id_table *alloc, u32 start, u32 num, 823256694Snp u32 reserved, u32 flags); 824256694Snpvoid c4iw_id_table_free(struct c4iw_id_table *alloc); 825256694Snp 826256694Snptypedef int (*c4iw_handler_func)(struct c4iw_dev *dev, struct mbuf *m); 827256694Snp 828256694Snpint c4iw_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new, 829256694Snp struct l2t_entry *l2t); 830256694Snpu32 c4iw_get_resource(struct c4iw_id_table *id_table); 831256694Snpvoid c4iw_put_resource(struct c4iw_id_table *id_table, u32 entry); 832256694Snpint c4iw_init_resource(struct c4iw_rdev *rdev, u32 nr_tpt, u32 nr_pdid); 833256694Snpint c4iw_init_ctrl_qp(struct c4iw_rdev *rdev); 834256694Snpint c4iw_pblpool_create(struct c4iw_rdev *rdev); 835256694Snpint c4iw_rqtpool_create(struct c4iw_rdev *rdev); 836256694Snpvoid c4iw_pblpool_destroy(struct c4iw_rdev *rdev); 837256694Snpvoid c4iw_rqtpool_destroy(struct c4iw_rdev *rdev); 838256694Snpvoid c4iw_destroy_resource(struct c4iw_resource *rscp); 839256694Snpint c4iw_destroy_ctrl_qp(struct c4iw_rdev *rdev); 840256694Snpint c4iw_register_device(struct c4iw_dev *dev); 841256694Snpvoid c4iw_unregister_device(struct c4iw_dev *dev); 842256694Snpint __init c4iw_cm_init(void); 843256694Snpvoid __exit c4iw_cm_term(void); 844256694Snpvoid c4iw_release_dev_ucontext(struct c4iw_rdev *rdev, 845256694Snp struct c4iw_dev_ucontext *uctx); 846256694Snpvoid c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, 847256694Snp struct c4iw_dev_ucontext *uctx); 848256694Snpint c4iw_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); 849256694Snpint c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 850256694Snp struct ib_send_wr **bad_wr); 851256694Snpint c4iw_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr, 852256694Snp struct ib_recv_wr **bad_wr); 853256694Snpint c4iw_bind_mw(struct ib_qp *qp, struct ib_mw *mw, 854256694Snp struct ib_mw_bind *mw_bind); 855256694Snpint c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param); 856256694Snpint c4iw_create_listen(struct iw_cm_id *cm_id, int backlog); 857256694Snpint c4iw_destroy_listen(struct iw_cm_id *cm_id); 858256694Snpint c4iw_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param); 859256694Snpint c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len); 860256694Snpvoid c4iw_qp_add_ref(struct ib_qp *qp); 861256694Snpvoid c4iw_qp_rem_ref(struct ib_qp *qp); 862256694Snpvoid c4iw_free_fastreg_pbl(struct ib_fast_reg_page_list *page_list); 863256694Snpstruct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl( 864256694Snp struct ib_device *device, 865256694Snp int page_list_len); 866256694Snpstruct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth); 867256694Snpint c4iw_dealloc_mw(struct ib_mw *mw); 868256694Snpstruct ib_mw *c4iw_alloc_mw(struct ib_pd *pd); 869256694Snpstruct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 870256694Snp virt, int acc, struct ib_udata *udata, int mr_id); 871256694Snpstruct ib_mr *c4iw_get_dma_mr(struct ib_pd *pd, int acc); 872256694Snpstruct ib_mr *c4iw_register_phys_mem(struct ib_pd *pd, 873256694Snp struct ib_phys_buf *buffer_list, 874256694Snp int num_phys_buf, 875256694Snp int acc, 876256694Snp u64 *iova_start); 877256694Snpint c4iw_reregister_phys_mem(struct ib_mr *mr, 878256694Snp int mr_rereg_mask, 879256694Snp struct ib_pd *pd, 880256694Snp struct ib_phys_buf *buffer_list, 881256694Snp int num_phys_buf, 882256694Snp int acc, u64 *iova_start); 883256694Snpint c4iw_dereg_mr(struct ib_mr *ib_mr); 884256694Snpint c4iw_destroy_cq(struct ib_cq *ib_cq); 885256694Snpstruct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries, 886256694Snp int vector, 887256694Snp struct ib_ucontext *ib_context, 888256694Snp struct ib_udata *udata); 889256694Snpint c4iw_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata); 890256694Snpint c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); 891256694Snpint c4iw_destroy_qp(struct ib_qp *ib_qp); 892256694Snpstruct ib_qp *c4iw_create_qp(struct ib_pd *pd, 893256694Snp struct ib_qp_init_attr *attrs, 894256694Snp struct ib_udata *udata); 895256694Snpint c4iw_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 896256694Snp int attr_mask, struct ib_udata *udata); 897256694Snpint c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 898256694Snp int attr_mask, struct ib_qp_init_attr *init_attr); 899256694Snpstruct ib_qp *c4iw_get_qp(struct ib_device *dev, int qpn); 900256694Snpu32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size); 901256694Snpvoid c4iw_rqtpool_free(struct c4iw_rdev *rdev, u32 addr, int size); 902256694Snpu32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size); 903256694Snpvoid c4iw_pblpool_free(struct c4iw_rdev *rdev, u32 addr, int size); 904256694Snpint c4iw_ofld_send(struct c4iw_rdev *rdev, struct mbuf *m); 905256694Snpvoid c4iw_flush_hw_cq(struct t4_cq *cq); 906256694Snpvoid c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count); 907256694Snpvoid c4iw_count_scqes(struct t4_cq *cq, struct t4_wq *wq, int *count); 908256694Snpint c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp); 909256694Snpint c4iw_flush_rq(struct t4_wq *wq, struct t4_cq *cq, int count); 910256694Snpint c4iw_flush_sq(struct t4_wq *wq, struct t4_cq *cq, int count); 911256694Snpint c4iw_ev_handler(struct sge_iq *, const struct rsp_ctrl *); 912256694Snpu16 c4iw_rqes_posted(struct c4iw_qp *qhp); 913256694Snpint c4iw_post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe); 914256694Snpu32 c4iw_get_cqid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx); 915256694Snpvoid c4iw_put_cqid(struct c4iw_rdev *rdev, u32 qid, 916256694Snp struct c4iw_dev_ucontext *uctx); 917256694Snpu32 c4iw_get_qpid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx); 918256694Snpvoid c4iw_put_qpid(struct c4iw_rdev *rdev, u32 qid, 919256694Snp struct c4iw_dev_ucontext *uctx); 920256694Snpvoid c4iw_ev_dispatch(struct c4iw_dev *dev, struct t4_cqe *err_cqe); 921256694Snp 922256694Snpextern struct cxgb4_client t4c_client; 923256694Snpextern c4iw_handler_func c4iw_handlers[NUM_CPL_CMDS]; 924256694Snpextern int c4iw_max_read_depth; 925256694Snp 926256694Snp#include <sys/blist.h> 927256694Snpstruct gen_pool { 928256694Snp blist_t gen_list; 929256694Snp daddr_t gen_base; 930256694Snp int gen_chunk_shift; 931256694Snp struct mutex gen_lock; 932256694Snp}; 933256694Snp 934256694Snpstatic __inline struct gen_pool * 935256694Snpgen_pool_create(daddr_t base, u_int chunk_shift, u_int len) 936256694Snp{ 937256694Snp struct gen_pool *gp; 938256694Snp 939256694Snp gp = malloc(sizeof(struct gen_pool), M_DEVBUF, M_NOWAIT); 940256694Snp if (gp == NULL) 941256694Snp return (NULL); 942256694Snp 943256694Snp memset(gp, 0, sizeof(struct gen_pool)); 944256694Snp gp->gen_list = blist_create(len >> chunk_shift, M_NOWAIT); 945256694Snp if (gp->gen_list == NULL) { 946256694Snp free(gp, M_DEVBUF); 947256694Snp return (NULL); 948256694Snp } 949256694Snp blist_free(gp->gen_list, 0, len >> chunk_shift); 950256694Snp gp->gen_base = base; 951256694Snp gp->gen_chunk_shift = chunk_shift; 952256694Snp //mutex_init(&gp->gen_lock, "genpool", NULL, MTX_DUPOK|MTX_DEF); 953256694Snp mutex_init(&gp->gen_lock); 954256694Snp 955256694Snp return (gp); 956256694Snp} 957256694Snp 958256694Snpstatic __inline unsigned long 959256694Snpgen_pool_alloc(struct gen_pool *gp, int size) 960256694Snp{ 961256694Snp int chunks; 962256694Snp daddr_t blkno; 963256694Snp 964256694Snp chunks = (size + (1<<gp->gen_chunk_shift) - 1) >> gp->gen_chunk_shift; 965256694Snp mutex_lock(&gp->gen_lock); 966256694Snp blkno = blist_alloc(gp->gen_list, chunks); 967256694Snp mutex_unlock(&gp->gen_lock); 968256694Snp 969256694Snp if (blkno == SWAPBLK_NONE) 970256694Snp return (0); 971256694Snp 972256694Snp return (gp->gen_base + ((1 << gp->gen_chunk_shift) * blkno)); 973256694Snp} 974256694Snp 975256694Snpstatic __inline void 976256694Snpgen_pool_free(struct gen_pool *gp, daddr_t address, int size) 977256694Snp{ 978256694Snp int chunks; 979256694Snp daddr_t blkno; 980256694Snp 981256694Snp chunks = (size + (1<<gp->gen_chunk_shift) - 1) >> gp->gen_chunk_shift; 982256694Snp blkno = (address - gp->gen_base) / (1 << gp->gen_chunk_shift); 983256694Snp mutex_lock(&gp->gen_lock); 984256694Snp blist_free(gp->gen_list, blkno, chunks); 985256694Snp mutex_unlock(&gp->gen_lock); 986256694Snp} 987256694Snp 988256694Snpstatic __inline void 989256694Snpgen_pool_destroy(struct gen_pool *gp) 990256694Snp{ 991256694Snp blist_destroy(gp->gen_list); 992256694Snp free(gp, M_DEVBUF); 993256694Snp} 994256694Snp 995256694Snp#if defined(__i386__) || defined(__amd64__) 996256694Snp#define L1_CACHE_BYTES 128 997256694Snp#else 998256694Snp#define L1_CACHE_BYTES 32 999256694Snp#endif 1000256694Snp 1001256694Snpstatic inline 1002256694Snpint idr_for_each(struct idr *idp, 1003256694Snp int (*fn)(int id, void *p, void *data), void *data) 1004256694Snp{ 1005256694Snp int n, id, max, error = 0; 1006256694Snp struct idr_layer *p; 1007256694Snp struct idr_layer *pa[MAX_LEVEL]; 1008256694Snp struct idr_layer **paa = &pa[0]; 1009256694Snp 1010256694Snp n = idp->layers * IDR_BITS; 1011256694Snp p = idp->top; 1012256694Snp max = 1 << n; 1013256694Snp 1014256694Snp id = 0; 1015256694Snp while (id < max) { 1016256694Snp while (n > 0 && p) { 1017256694Snp n -= IDR_BITS; 1018256694Snp *paa++ = p; 1019256694Snp p = p->ary[(id >> n) & IDR_MASK]; 1020256694Snp } 1021256694Snp 1022256694Snp if (p) { 1023256694Snp error = fn(id, (void *)p, data); 1024256694Snp if (error) 1025256694Snp break; 1026256694Snp } 1027256694Snp 1028256694Snp id += 1 << n; 1029256694Snp while (n < fls(id)) { 1030256694Snp n += IDR_BITS; 1031256694Snp p = *--paa; 1032256694Snp } 1033256694Snp } 1034256694Snp 1035256694Snp return error; 1036256694Snp} 1037256694Snp 1038256694Snpvoid c4iw_cm_init_cpl(struct adapter *); 1039256694Snpvoid c4iw_cm_term_cpl(struct adapter *); 1040256694Snp 1041256694Snpvoid your_reg_device(struct c4iw_dev *dev); 1042256694Snp 1043256694Snp#define SGE_CTRLQ_NUM 0 1044256694Snp 1045256694Snpextern int spg_creds;/* Status Page size in credit units(1 unit = 64) */ 1046256694Snp#endif 1047