![Sachin Kamat](/assets/img/avatar_default.png)
Pointers should be assigned NULL instead of 0. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
220 lines
5.9 KiB
C
220 lines
5.9 KiB
C
/* Copyright (C) 2004-2005 SBE, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/sched.h>
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#include <asm/uaccess.h>
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#include "pmcc4_sysdep.h"
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#include "sbecom_inline_linux.h"
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#include "pmcc4_private.h"
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#include "sbeproc.h"
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extern void sbecom_get_brdinfo(ci_t *, struct sbe_brd_info *, u_int8_t *);
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extern struct s_hdw_info hdw_info[MAX_BOARDS];
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void sbecom_proc_brd_cleanup(ci_t *ci)
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{
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if (ci->dir_dev) {
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char dir[7 + SBE_IFACETMPL_SIZE + 1];
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snprintf(dir, sizeof(dir), "driver/%s", ci->devname);
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remove_proc_entry("info", ci->dir_dev);
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remove_proc_entry(dir, NULL);
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ci->dir_dev = NULL;
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}
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}
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static void sbecom_proc_get_brdinfo(ci_t *ci, struct sbe_brd_info *bip)
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{
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hdw_info_t *hi = &hdw_info[ci->brdno];
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u_int8_t *bsn = NULL;
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switch (hi->promfmt)
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{
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case PROM_FORMAT_TYPE1:
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bsn = (u_int8_t *) hi->mfg_info.pft1.Serial;
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break;
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case PROM_FORMAT_TYPE2:
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bsn = (u_int8_t *) hi->mfg_info.pft2.Serial;
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break;
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}
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sbecom_get_brdinfo (ci, bip, bsn);
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pr_devel(">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n",
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bip->first_iname, bip->first_iname,
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bip->last_iname, bip->last_iname);
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}
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/*
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* Describe the driver state through /proc
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*/
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static int sbecom_proc_get_sbe_info(struct seq_file *m, void *v)
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{
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ci_t *ci = m->private;
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char *spd;
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struct sbe_brd_info *bip;
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if (!(bip = OS_kmalloc(sizeof(struct sbe_brd_info))))
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return -ENOMEM;
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pr_devel(">> sbecom_proc_get_sbe_info: entered\n");
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sbecom_proc_get_brdinfo(ci, bip);
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seq_puts(m, "Board Type: ");
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switch (bip->brd_id) {
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T3):
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seq_puts(m, "wanPMC-C1T3");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1):
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seq_puts(m, "wanPTMC-256T3 <E1>");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1):
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seq_puts(m, "wanPTMC-256T3 <T1>");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_C24TE1):
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seq_puts(m, "wanPTMC-C24TE1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1):
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1_L):
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seq_puts(m, "wanPMC-C4T1E1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1):
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1_L):
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seq_puts(m, "wanPMC-C2T1E1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1):
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1_L):
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seq_puts(m, "wanPMC-C1T1E1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1):
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seq_puts(m, "wanPCI-C4T1E1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1):
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seq_puts(m, "wanPCI-C2T1E1");
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break;
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case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1):
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seq_puts(m, "wanPCI-C1T1E1");
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break;
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default:
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seq_puts(m, "unknown");
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break;
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}
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seq_printf(m, " [%08X]\n", bip->brd_id);
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seq_printf(m, "Board Number: %d\n", bip->brdno);
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seq_printf(m, "Hardware ID: 0x%02X\n", ci->hdw_bid);
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seq_printf(m, "Board SN: %06X\n", bip->brd_sn);
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seq_printf(m, "Board MAC: %pMF\n", bip->brd_mac_addr);
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seq_printf(m, "Ports: %d\n", ci->max_port);
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seq_printf(m, "Channels: %d\n", bip->brd_chan_cnt);
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#if 1
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seq_printf(m, "Interface: %s -> %s\n",
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bip->first_iname, bip->last_iname);
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#else
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seq_printf(m, "Interface: <not available> 1st %p lst %p\n",
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bip->first_iname, bip->last_iname);
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#endif
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switch (bip->brd_pci_speed) {
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case BINFO_PCI_SPEED_33:
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spd = "33Mhz";
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break;
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case BINFO_PCI_SPEED_66:
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spd = "66Mhz";
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break;
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default:
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spd = "<not available>";
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break;
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}
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seq_printf(m, "PCI Bus Speed: %s\n", spd);
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seq_printf(m, "Release: %s\n", ci->release);
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#ifdef SBE_PMCC4_ENABLE
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{
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extern int cxt1e1_max_mru;
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#if 0
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extern int max_chans_used;
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extern int cxt1e1_max_mtu;
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#endif
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extern int max_rxdesc_used, max_txdesc_used;
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seq_printf(m, "\ncxt1e1_max_mru: %d\n", cxt1e1_max_mru);
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#if 0
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seq_printf(m, "\nmax_chans_used: %d\n", max_chans_used);
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seq_printf(m, "cxt1e1_max_mtu: %d\n", cxt1e1_max_mtu);
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#endif
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seq_printf(m, "max_rxdesc_used: %d\n", max_rxdesc_used);
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seq_printf(m, "max_txdesc_used: %d\n", max_txdesc_used);
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}
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#endif
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kfree(bip);
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pr_devel(">> proc_fs: finished\n");
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return 0;
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}
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/*
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* seq_file wrappers for procfile show routines.
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*/
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static int sbecom_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, sbecom_proc_get_sbe_info, PDE_DATA(inode));
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}
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static const struct file_operations sbecom_proc_fops = {
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.open = sbecom_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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/*
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* Initialize the /proc subsystem for the specific SBE driver
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*/
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int __init sbecom_proc_brd_init(ci_t *ci)
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{
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char dir[7 + SBE_IFACETMPL_SIZE + 1];
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snprintf(dir, sizeof(dir), "driver/%s", ci->devname);
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ci->dir_dev = proc_mkdir(dir, NULL);
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if (!ci->dir_dev) {
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pr_err("Unable to create directory /proc/driver/%s\n", ci->devname);
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goto fail;
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}
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if (!proc_create_data("info", S_IFREG | S_IRUGO, ci->dir_dev,
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&sbecom_proc_fops, ci)) {
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pr_err("Unable to create entry /proc/driver/%s/info\n", ci->devname);
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goto fail;
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}
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return 0;
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fail:
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sbecom_proc_brd_cleanup(ci);
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return 1;
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}
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