Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Sudeep Dutt | 632 | 98.14% | 2 | 50.00% |
Yangtao Li | 10 | 1.55% | 1 | 25.00% |
Thomas Gleixner | 2 | 0.31% | 1 | 25.00% |
Total | 644 | 4 |
// SPDX-License-Identifier: GPL-2.0-only /* * Intel MIC Platform Software Stack (MPSS) * * Copyright(c) 2014 Intel Corporation. * * Intel SCIF driver. */ #include <linux/debugfs.h> #include <linux/seq_file.h> #include "../common/mic_dev.h" #include "scif_main.h" /* Debugfs parent dir */ static struct dentry *scif_dbg; static int scif_dev_show(struct seq_file *s, void *unused) { int node; seq_printf(s, "Total Nodes %d Self Node Id %d Maxid %d\n", scif_info.total, scif_info.nodeid, scif_info.maxid); if (!scif_dev) return 0; seq_printf(s, "%-16s\t%-16s\n", "node_id", "state"); for (node = 0; node <= scif_info.maxid; node++) seq_printf(s, "%-16d\t%-16s\n", scif_dev[node].node, _scifdev_alive(&scif_dev[node]) ? "Running" : "Offline"); return 0; } DEFINE_SHOW_ATTRIBUTE(scif_dev); static void scif_display_window(struct scif_window *window, struct seq_file *s) { int j; struct scatterlist *sg; scif_pinned_pages_t pin = window->pinned_pages; seq_printf(s, "window %p type %d temp %d offset 0x%llx ", window, window->type, window->temp, window->offset); seq_printf(s, "nr_pages 0x%llx nr_contig_chunks 0x%x prot %d ", window->nr_pages, window->nr_contig_chunks, window->prot); seq_printf(s, "ref_count %d magic 0x%llx peer_window 0x%llx ", window->ref_count, window->magic, window->peer_window); seq_printf(s, "unreg_state 0x%x va_for_temp 0x%lx\n", window->unreg_state, window->va_for_temp); for (j = 0; j < window->nr_contig_chunks; j++) seq_printf(s, "page[%d] dma_addr 0x%llx num_pages 0x%llx\n", j, window->dma_addr[j], window->num_pages[j]); if (window->type == SCIF_WINDOW_SELF && pin) for (j = 0; j < window->nr_pages; j++) seq_printf(s, "page[%d] = pinned_pages %p address %p\n", j, pin->pages[j], page_address(pin->pages[j])); if (window->st) for_each_sg(window->st->sgl, sg, window->st->nents, j) seq_printf(s, "sg[%d] dma addr 0x%llx length 0x%x\n", j, sg_dma_address(sg), sg_dma_len(sg)); } static void scif_display_all_windows(struct list_head *head, struct seq_file *s) { struct list_head *item; struct scif_window *window; list_for_each(item, head) { window = list_entry(item, struct scif_window, list); scif_display_window(window, s); } } static int scif_rma_show(struct seq_file *s, void *unused) { struct scif_endpt *ep; struct list_head *pos; mutex_lock(&scif_info.connlock); list_for_each(pos, &scif_info.connected) { ep = list_entry(pos, struct scif_endpt, list); seq_printf(s, "ep %p self windows\n", ep); mutex_lock(&ep->rma_info.rma_lock); scif_display_all_windows(&ep->rma_info.reg_list, s); seq_printf(s, "ep %p remote windows\n", ep); scif_display_all_windows(&ep->rma_info.remote_reg_list, s); mutex_unlock(&ep->rma_info.rma_lock); } mutex_unlock(&scif_info.connlock); return 0; } DEFINE_SHOW_ATTRIBUTE(scif_rma); void __init scif_init_debugfs(void) { scif_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!scif_dbg) { dev_err(scif_info.mdev.this_device, "can't create debugfs dir scif\n"); return; } debugfs_create_file("scif_dev", 0444, scif_dbg, NULL, &scif_dev_fops); debugfs_create_file("scif_rma", 0444, scif_dbg, NULL, &scif_rma_fops); debugfs_create_u8("en_msg_log", 0666, scif_dbg, &scif_info.en_msg_log); debugfs_create_u8("p2p_enable", 0666, scif_dbg, &scif_info.p2p_enable); } void scif_exit_debugfs(void) { debugfs_remove_recursive(scif_dbg); }
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