diff options
Diffstat (limited to 'drivers/fmc/fmc-debug.c')
| -rw-r--r-- | drivers/fmc/fmc-debug.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/fmc/fmc-debug.c b/drivers/fmc/fmc-debug.c deleted file mode 100644 index 1734c7cf0e76..000000000000 --- a/drivers/fmc/fmc-debug.c +++ /dev/null @@ -1,172 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2015 CERN (www.cern.ch) - * Author: Federico Vaga <federico.vaga@cern.ch> - */ - -#include <linux/module.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <asm/byteorder.h> - -#include <linux/fmc.h> -#include <linux/sdb.h> -#include <linux/fmc-sdb.h> - -#define FMC_DBG_SDB_DUMP "dump_sdb" - -static char *__strip_trailing_space(char *buf, char *str, int len) -{ - int i = len - 1; - - memcpy(buf, str, len); - buf[len] = '\0'; - while (i >= 0 && buf[i] == ' ') - buf[i--] = '\0'; - return buf; -} - -#define __sdb_string(buf, field) ({ \ - BUILD_BUG_ON(sizeof(buf) < sizeof(field)); \ - __strip_trailing_space(buf, (void *)(field), sizeof(field)); \ - }) - -/** - * We do not check seq_printf() errors because we want to see things in any case - */ -static void fmc_sdb_dump_recursive(struct fmc_device *fmc, struct seq_file *s, - const struct sdb_array *arr) -{ - unsigned long base = arr->baseaddr; - int i, j, n = arr->len, level = arr->level; - char tmp[64]; - - for (i = 0; i < n; i++) { - union sdb_record *r; - struct sdb_product *p; - struct sdb_component *c; - - r = &arr->record[i]; - c = &r->dev.sdb_component; - p = &c->product; - - for (j = 0; j < level; j++) - seq_printf(s, " "); - switch (r->empty.record_type) { - case sdb_type_interconnect: - seq_printf(s, "%08llx:%08x %.19s\n", - __be64_to_cpu(p->vendor_id), - __be32_to_cpu(p->device_id), - p->name); - break; - case sdb_type_device: - seq_printf(s, "%08llx:%08x %.19s (%08llx-%08llx)\n", - __be64_to_cpu(p->vendor_id), - __be32_to_cpu(p->device_id), - p->name, - __be64_to_cpu(c->addr_first) + base, - __be64_to_cpu(c->addr_last) + base); - break; - case sdb_type_bridge: - seq_printf(s, "%08llx:%08x %.19s (bridge: %08llx)\n", - __be64_to_cpu(p->vendor_id), - __be32_to_cpu(p->device_id), - p->name, - __be64_to_cpu(c->addr_first) + base); - if (IS_ERR(arr->subtree[i])) { - seq_printf(s, "SDB: (bridge error %li)\n", - PTR_ERR(arr->subtree[i])); - break; - } - fmc_sdb_dump_recursive(fmc, s, arr->subtree[i]); - break; - case sdb_type_integration: - seq_printf(s, "integration\n"); - break; - case sdb_type_repo_url: - seq_printf(s, "Synthesis repository: %s\n", - __sdb_string(tmp, r->repo_url.repo_url)); - break; - case sdb_type_synthesis: - seq_printf(s, "Bitstream '%s' ", - __sdb_string(tmp, r->synthesis.syn_name)); - seq_printf(s, "synthesized %08x by %s ", - __be32_to_cpu(r->synthesis.date), - __sdb_string(tmp, r->synthesis.user_name)); - seq_printf(s, "(%s version %x), ", - __sdb_string(tmp, r->synthesis.tool_name), - __be32_to_cpu(r->synthesis.tool_version)); - seq_printf(s, "commit %pm\n", - r->synthesis.commit_id); - break; - case sdb_type_empty: - seq_printf(s, "empty\n"); - break; - default: - seq_printf(s, "UNKNOWN TYPE 0x%02x\n", - r->empty.record_type); - break; - } - } -} - -static int fmc_sdb_dump(struct seq_file *s, void *offset) -{ - struct fmc_device *fmc = s->private; - - if (!fmc->sdb) { - seq_printf(s, "no SDB information\n"); - return 0; - } - - seq_printf(s, "FMC: %s (%s), slot %i, device %s\n", dev_name(fmc->hwdev), - fmc->carrier_name, fmc->slot_id, dev_name(&fmc->dev)); - /* Dump SDB information */ - fmc_sdb_dump_recursive(fmc, s, fmc->sdb); - - return 0; -} - - -static int fmc_sdb_dump_open(struct inode *inode, struct file *file) -{ - struct fmc_device *fmc = inode->i_private; - - return single_open(file, fmc_sdb_dump, fmc); -} - - -const struct file_operations fmc_dbgfs_sdb_dump = { - .owner = THIS_MODULE, - .open = fmc_sdb_dump_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -int fmc_debug_init(struct fmc_device *fmc) -{ - fmc->dbg_dir = debugfs_create_dir(dev_name(&fmc->dev), NULL); - if (IS_ERR_OR_NULL(fmc->dbg_dir)) { - pr_err("FMC: Cannot create debugfs\n"); - return PTR_ERR(fmc->dbg_dir); - } - - fmc->dbg_sdb_dump = debugfs_create_file(FMC_DBG_SDB_DUMP, 0444, - fmc->dbg_dir, fmc, - &fmc_dbgfs_sdb_dump); - if (IS_ERR_OR_NULL(fmc->dbg_sdb_dump)) - pr_err("FMC: Cannot create debugfs file %s\n", - FMC_DBG_SDB_DUMP); - - return 0; -} - -void fmc_debug_exit(struct fmc_device *fmc) -{ - if (fmc->dbg_dir) - debugfs_remove_recursive(fmc->dbg_dir); -} |