/* * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/debugfs.h> #include <linux/vmalloc.h> #include <linux/math64.h> #include <rdma/ib_verbs.h> #include "iw_cxgb4.h" #define DRV_VERSION … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; static int allow_db_fc_on_t5; module_param(allow_db_fc_on_t5, int, 0644); MODULE_PARM_DESC(…) …; static int allow_db_coalescing_on_t5; module_param(allow_db_coalescing_on_t5, int, 0644); MODULE_PARM_DESC(…) …; int c4iw_wr_log = …; module_param(c4iw_wr_log, int, 0444); MODULE_PARM_DESC(…) …; static int c4iw_wr_log_size_order = …; module_param(c4iw_wr_log_size_order, int, 0444); MODULE_PARM_DESC(…) …; static LIST_HEAD(uld_ctx_list); static DEFINE_MUTEX(dev_mutex); static struct workqueue_struct *reg_workq; #define DB_FC_RESUME_SIZE … #define DB_FC_RESUME_DELAY … #define DB_FC_DRAIN_THRESH … static struct dentry *c4iw_debugfs_root; struct c4iw_debugfs_data { … }; static ssize_t debugfs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { … } void c4iw_log_wr_stats(struct t4_wq *wq, struct t4_cqe *cqe) { … } static int wr_log_show(struct seq_file *seq, void *v) { … } static int wr_log_open(struct inode *inode, struct file *file) { … } static ssize_t wr_log_clear(struct file *file, const char __user *buf, size_t count, loff_t *pos) { … } static const struct file_operations wr_log_debugfs_fops = …; static struct sockaddr_in zero_sin = …; static struct sockaddr_in6 zero_sin6 = …; static void set_ep_sin_addrs(struct c4iw_ep *ep, struct sockaddr_in **lsin, struct sockaddr_in **rsin, struct sockaddr_in **m_lsin, struct sockaddr_in **m_rsin) { … } static void set_ep_sin6_addrs(struct c4iw_ep *ep, struct sockaddr_in6 **lsin6, struct sockaddr_in6 **rsin6, struct sockaddr_in6 **m_lsin6, struct sockaddr_in6 **m_rsin6) { … } static int dump_qp(unsigned long id, struct c4iw_qp *qp, struct c4iw_debugfs_data *qpd) { … } static int qp_release(struct inode *inode, struct file *file) { … } static int qp_open(struct inode *inode, struct file *file) { … } static const struct file_operations qp_debugfs_fops = …; static int dump_stag(unsigned long id, struct c4iw_debugfs_data *stagd) { … } static int stag_release(struct inode *inode, struct file *file) { … } static int stag_open(struct inode *inode, struct file *file) { … } static const struct file_operations stag_debugfs_fops = …; static char *db_state_str[] = …; static int stats_show(struct seq_file *seq, void *v) { … } static int stats_open(struct inode *inode, struct file *file) { … } static ssize_t stats_clear(struct file *file, const char __user *buf, size_t count, loff_t *pos) { … } static const struct file_operations stats_debugfs_fops = …; static int dump_ep(struct c4iw_ep *ep, struct c4iw_debugfs_data *epd) { … } static int dump_listen_ep(struct c4iw_listen_ep *ep, struct c4iw_debugfs_data *epd) { … } static int ep_release(struct inode *inode, struct file *file) { … } static int ep_open(struct inode *inode, struct file *file) { … } static const struct file_operations ep_debugfs_fops = …; static void setup_debugfs(struct c4iw_dev *devp) { … } void c4iw_release_dev_ucontext(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) { … } void c4iw_init_dev_ucontext(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) { … } /* Caller takes care of locking if needed */ static int c4iw_rdev_open(struct c4iw_rdev *rdev) { … } static void c4iw_rdev_close(struct c4iw_rdev *rdev) { … } void c4iw_dealloc(struct uld_ctx *ctx) { … } static void c4iw_remove(struct uld_ctx *ctx) { … } static int rdma_supported(const struct cxgb4_lld_info *infop) { … } static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) { … } static void *c4iw_uld_add(const struct cxgb4_lld_info *infop) { … } static inline struct sk_buff *copy_gl_to_skb_pkt(const struct pkt_gl *gl, const __be64 *rsp, u32 pktshift) { … } static inline int recv_rx_pkt(struct c4iw_dev *dev, const struct pkt_gl *gl, const __be64 *rsp) { … } static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp, const struct pkt_gl *gl) { … } static int c4iw_uld_state_change(void *handle, enum cxgb4_state new_state) { … } static void stop_queues(struct uld_ctx *ctx) { … } static void resume_rc_qp(struct c4iw_qp *qp) { … } static void resume_a_chunk(struct uld_ctx *ctx) { … } static void resume_queues(struct uld_ctx *ctx) { … } struct qp_list { … }; static void deref_qps(struct qp_list *qp_list) { … } static void recover_lost_dbs(struct uld_ctx *ctx, struct qp_list *qp_list) { … } static void recover_queues(struct uld_ctx *ctx) { … } static int c4iw_uld_control(void *handle, enum cxgb4_control control, ...) { … } static struct cxgb4_uld_info c4iw_uld_info = …; void _c4iw_free_wr_wait(struct kref *kref) { … } struct c4iw_wr_wait *c4iw_alloc_wr_wait(gfp_t gfp) { … } static int __init c4iw_init_module(void) { … } static void __exit c4iw_exit_module(void) { … } module_init(…) …; module_exit(c4iw_exit_module);
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