diff options
Diffstat (limited to 'drivers/staging/cxt1e1/sbeproc.c')
| -rw-r--r-- | drivers/staging/cxt1e1/sbeproc.c | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/drivers/staging/cxt1e1/sbeproc.c b/drivers/staging/cxt1e1/sbeproc.c new file mode 100644 index 000000000000..4f4dcd36bf4d --- /dev/null +++ b/drivers/staging/cxt1e1/sbeproc.c @@ -0,0 +1,358 @@ +/* Copyright (C) 2004-2005 SBE, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/types.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/proc_fs.h> +#include <linux/sched.h> +#include <asm/uaccess.h> +#include "pmcc4_sysdep.h" +#include "sbecom_inline_linux.h" +#include "pmcc4_private.h" +#include "sbeproc.h" + +/* forwards */ +void sbecom_get_brdinfo (ci_t *, struct sbe_brd_info *, u_int8_t *); +extern struct s_hdw_info hdw_info[MAX_BOARDS]; + +#ifdef CONFIG_PROC_FS + +/********************************************************************/ +/* procfs stuff */ +/********************************************************************/ + + +void +sbecom_proc_brd_cleanup (ci_t * ci) +{ + if (ci->dir_dev) + { + char dir[7 + SBE_IFACETMPL_SIZE + 1]; + snprintf(dir, sizeof(dir), "driver/%s", ci->devname); + remove_proc_entry("info", ci->dir_dev); + remove_proc_entry(dir, NULL); + ci->dir_dev = NULL; + } +} + + +static int +sbecom_proc_get_sbe_info (char *buffer, char **start, off_t offset, + int length, int *eof, void *priv) +{ + ci_t *ci = (ci_t *) priv; + int len = 0; + char *spd; + struct sbe_brd_info *bip; + + if (!(bip = OS_kmalloc (sizeof (struct sbe_brd_info)))) + { + return -ENOMEM; + } +#if 0 + /** RLD DEBUG **/ + pr_info(">> sbecom_proc_get_sbe_info: entered, offset %d. length %d.\n", + (int) offset, (int) length); +#endif + + { + hdw_info_t *hi = &hdw_info[ci->brdno]; + + u_int8_t *bsn = 0; + + switch (hi->promfmt) + { + case PROM_FORMAT_TYPE1: + bsn = (u_int8_t *) hi->mfg_info.pft1.Serial; + break; + case PROM_FORMAT_TYPE2: + bsn = (u_int8_t *) hi->mfg_info.pft2.Serial; + break; + } + + sbecom_get_brdinfo (ci, bip, bsn); + } + +#if 0 + /** RLD DEBUG **/ + pr_info(">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n", + (char *) &bip->first_iname, (char *) &bip->first_iname, + (char *) &bip->last_iname, (char *) &bip->last_iname); +#endif + len += sprintf (buffer + len, "Board Type: "); + switch (bip->brd_id) + { + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T3): + len += sprintf (buffer + len, "wanPMC-C1T3"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1): + len += sprintf (buffer + len, "wanPTMC-256T3 <E1>"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1): + len += sprintf (buffer + len, "wanPTMC-256T3 <T1>"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_C24TE1): + len += sprintf (buffer + len, "wanPTMC-C24TE1"); + break; + + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1): + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C4T1E1_L): + len += sprintf (buffer + len, "wanPMC-C4T1E1"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1): + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C2T1E1_L): + len += sprintf (buffer + len, "wanPMC-C2T1E1"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1): + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T1E1_L): + len += sprintf (buffer + len, "wanPMC-C1T1E1"); + break; + + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1): + len += sprintf (buffer + len, "wanPCI-C4T1E1"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1): + len += sprintf (buffer + len, "wanPCI-C2T1E1"); + break; + case SBE_BOARD_ID (PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1): + len += sprintf (buffer + len, "wanPCI-C1T1E1"); + break; + + default: + len += sprintf (buffer + len, "unknown"); + break; + } + len += sprintf (buffer + len, " [%08X]\n", bip->brd_id); + + len += sprintf (buffer + len, "Board Number: %d\n", bip->brdno); + len += sprintf (buffer + len, "Hardware ID: 0x%02X\n", ci->hdw_bid); + len += sprintf (buffer + len, "Board SN: %06X\n", bip->brd_sn); + len += sprintf (buffer + len, "Board MAC: %02X-%02X-%02X-%02X-%02X-%02X\n", + bip->brd_mac_addr[0], bip->brd_mac_addr[1], bip->brd_mac_addr[2], + bip->brd_mac_addr[3], bip->brd_mac_addr[4], bip->brd_mac_addr[5]); + len += sprintf (buffer + len, "Ports: %d\n", ci->max_port); + len += sprintf (buffer + len, "Channels: %d\n", bip->brd_chan_cnt); +#if 1 + len += sprintf (buffer + len, "Interface: %s -> %s\n", + (char *) &bip->first_iname, (char *) &bip->last_iname); +#else + len += sprintf (buffer + len, "Interface: <not available> 1st %p lst %p\n", + (char *) &bip->first_iname, (char *) &bip->last_iname); +#endif + + switch (bip->brd_pci_speed) + { + case BINFO_PCI_SPEED_33: + spd = "33Mhz"; + break; + case BINFO_PCI_SPEED_66: + spd = "66Mhz"; + break; + default: + spd = "<not available>"; + break; + } + len += sprintf (buffer + len, "PCI Bus Speed: %s\n", spd); + len += sprintf (buffer + len, "Release: %s\n", ci->release); + +#ifdef SBE_PMCC4_ENABLE + { + extern int max_mru; +#if 0 + extern int max_chans_used; + extern int max_mtu; +#endif + extern int max_rxdesc_used, max_txdesc_used; + + len += sprintf (buffer + len, "\nmax_mru: %d\n", max_mru); +#if 0 + len += sprintf (buffer + len, "\nmax_chans_used: %d\n", max_chans_used); + len += sprintf (buffer + len, "max_mtu: %d\n", max_mtu); +#endif + len += sprintf (buffer + len, "max_rxdesc_used: %d\n", max_rxdesc_used); + len += sprintf (buffer + len, "max_txdesc_used: %d\n", max_txdesc_used); + } +#endif + + OS_kfree (bip); /* cleanup */ + + /*** + * How to be a proc read function + * ------------------------------ + * Prototype: + * int f(char *buffer, char **start, off_t offset, + * int count, int *peof, void *dat) + * + * Assume that the buffer is "count" bytes in size. + * + * If you know you have supplied all the data you + * have, set *peof. + * + * You have three ways to return data: + * 0) Leave *start = NULL. (This is the default.) + * Put the data of the requested offset at that + * offset within the buffer. Return the number (n) + * of bytes there are from the beginning of the + * buffer up to the last byte of data. If the + * number of supplied bytes (= n - offset) is + * greater than zero and you didn't signal eof + * and the reader is prepared to take more data + * you will be called again with the requested + * offset advanced by the number of bytes + * absorbed. This interface is useful for files + * no larger than the buffer. + * 1) Set *start = an unsigned long value less than + * the buffer address but greater than zero. + * Put the data of the requested offset at the + * beginning of the buffer. Return the number of + * bytes of data placed there. If this number is + * greater than zero and you didn't signal eof + * and the reader is prepared to take more data + * you will be called again with the requested + * offset advanced by *start. This interface is + * useful when you have a large file consisting + * of a series of blocks which you want to count + * and return as wholes. + * (Hack by Paul.Russell@rustcorp.com.au) + * 2) Set *start = an address within the buffer. + * Put the data of the requested offset at *start. + * Return the number of bytes of data placed there. + * If this number is greater than zero and you + * didn't signal eof and the reader is prepared to + * take more data you will be called again with the + * requested offset advanced by the number of bytes + * absorbed. + */ + +#if 1 + /* #4 - intepretation of above = set EOF, return len */ + *eof = 1; +#endif + +#if 0 + /* + * #1 - from net/wireless/atmel.c RLD NOTE -there's something wrong with + * this plagarized code which results in this routine being called TWICE. + * The second call returns ZERO, resulting in hidden failure, but at + * least only a single message set is being displayed. + */ + if (len <= offset + length) + *eof = 1; + *start = buffer + offset; + len -= offset; + if (len > length) + len = length; + if (len < 0) + len = 0; +#endif + +#if 0 /* #2 from net/tokenring/olympic.c + + * lanstreamer.c */ + { + off_t begin = 0; + int size = 0; + off_t pos = 0; + + size = len; + pos = begin + size; + if (pos < offset) + { + len = 0; + begin = pos; + } + *start = buffer + (offset - begin); /* Start of wanted data */ + len -= (offset - begin); /* Start slop */ + if (len > length) + len = length; /* Ending slop */ + } +#endif + +#if 0 /* #3 from + * char/ftape/lowlevel/ftape-proc.c */ + len = strlen (buffer); + *start = NULL; + if (offset + length >= len) + *eof = 1; + else + *eof = 0; +#endif + +#if 0 + pr_info(">> proc_fs: returned len = %d., start %p\n", len, start); /* RLD DEBUG */ +#endif + +/*** + using NONE: returns = 314.314.314. + using #1 : returns = 314, 0. + using #2 : returns = 314, 0, 0. + using #3 : returns = 314, 314. + using #4 : returns = 314, 314. +***/ + + return len; +} + +/* initialize the /proc subsystem for the specific SBE driver */ + +int __init +sbecom_proc_brd_init (ci_t * ci) +{ + struct proc_dir_entry *e; + char dir[7 + SBE_IFACETMPL_SIZE + 1]; + + /* create a directory in the root procfs */ + snprintf(dir, sizeof(dir), "driver/%s", ci->devname); + ci->dir_dev = proc_mkdir(dir, NULL); + if (!ci->dir_dev) + { + pr_err("Unable to create directory /proc/driver/%s\n", ci->devname); + goto fail; + } + e = create_proc_read_entry ("info", S_IFREG | S_IRUGO, + ci->dir_dev, sbecom_proc_get_sbe_info, ci); + if (!e) + { + pr_err("Unable to create entry /proc/driver/%s/info\n", ci->devname); + goto fail; + } + return 0; + +fail: + sbecom_proc_brd_cleanup (ci); + return 1; +} + +#else /*** ! CONFIG_PROC_FS ***/ + +/* stubbed off dummy routines */ + +void +sbecom_proc_brd_cleanup (ci_t * ci) +{ +} + +int __init +sbecom_proc_brd_init (ci_t * ci) +{ + return 0; +} + +#endif /*** CONFIG_PROC_FS ***/ + + +/*** End-of-File ***/ |