diff options
Diffstat (limited to 'drivers/staging/cxt1e1/sbeproc.c')
| -rw-r--r-- | drivers/staging/cxt1e1/sbeproc.c | 460 |
1 files changed, 161 insertions, 299 deletions
diff --git a/drivers/staging/cxt1e1/sbeproc.c b/drivers/staging/cxt1e1/sbeproc.c index 70b9b33f352..1c2e52e8b5f 100644 --- a/drivers/staging/cxt1e1/sbeproc.c +++ b/drivers/staging/cxt1e1/sbeproc.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/sched.h> #include <asm/uaccess.h> #include "pmcc4_sysdep.h" @@ -26,332 +27,193 @@ #include "pmcc4_private.h" #include "sbeproc.h" -/* forwards */ -void sbecom_get_brdinfo (ci_t *, struct sbe_brd_info *, u_int8_t *); +extern 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) +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; - } + 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) +static void sbecom_proc_get_brdinfo(ci_t *ci, struct sbe_brd_info *bip) { - 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); + hdw_info_t *hi = &hdw_info[ci->brdno]; + u_int8_t *bsn = NULL; + + 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); + + pr_devel(">> sbecom_get_brdinfo: returned, first_if %p <%s> last_if %p <%s>\n", + bip->first_iname, bip->first_iname, + bip->last_iname, bip->last_iname); +} - 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: %pMF\n", - bip->brd_mac_addr); - len += sprintf (buffer + len, "Ports: %d\n", ci->max_port); - len += sprintf (buffer + len, "Channels: %d\n", bip->brd_chan_cnt); +/* + * Describe the driver state through /proc + */ +static int sbecom_proc_get_sbe_info(struct seq_file *m, void *v) +{ + ci_t *ci = m->private; + char *spd; + struct sbe_brd_info *bip; + + bip = kzalloc(sizeof(struct sbe_brd_info), GFP_KERNEL | GFP_DMA); + if (!bip) + return -ENOMEM; + + pr_devel(">> sbecom_proc_get_sbe_info: entered\n"); + + sbecom_proc_get_brdinfo(ci, bip); + + seq_puts(m, "Board Type: "); + switch (bip->brd_id) { + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPMC_C1T3): + seq_puts(m, "wanPMC-C1T3"); + break; + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_E1): + seq_puts(m, "wanPTMC-256T3 <E1>"); + break; + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_256T3_T1): + seq_puts(m, "wanPTMC-256T3 <T1>"); + break; + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPTMC_C24TE1): + seq_puts(m, "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): + seq_puts(m, "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): + seq_puts(m, "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): + seq_puts(m, "wanPMC-C1T1E1"); + break; + + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C4T1E1): + seq_puts(m, "wanPCI-C4T1E1"); + break; + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C2T1E1): + seq_puts(m, "wanPCI-C2T1E1"); + break; + case SBE_BOARD_ID(PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_WANPCI_C1T1E1): + seq_puts(m, "wanPCI-C1T1E1"); + break; + + default: + seq_puts(m, "unknown"); + break; + } + + seq_printf(m, " [%08X]\n", bip->brd_id); + + seq_printf(m, "Board Number: %d\n", bip->brdno); + seq_printf(m, "Hardware ID: 0x%02X\n", ci->hdw_bid); + seq_printf(m, "Board SN: %06X\n", bip->brd_sn); + seq_printf(m, "Board MAC: %pMF\n", bip->brd_mac_addr); + seq_printf(m, "Ports: %d\n", ci->max_port); + seq_printf(m, "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); + seq_printf(m, "Interface: %s -> %s\n", + bip->first_iname, bip->last_iname); #else - len += sprintf (buffer + len, "Interface: <not available> 1st %p lst %p\n", - (char *) &bip->first_iname, (char *) &bip->last_iname); + seq_printf(m, "Interface: <not available> 1st %p lst %p\n", + bip->first_iname, 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); + 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; + } + seq_printf(m, "PCI Bus Speed: %s\n", spd); #ifdef SBE_PMCC4_ENABLE - { - extern int cxt1e1_max_mru; -#if 0 - extern int max_chans_used; - extern int cxt1e1_max_mtu; -#endif - extern int max_rxdesc_used, max_txdesc_used; - - len += sprintf (buffer + len, "\ncxt1e1_max_mru: %d\n", cxt1e1_max_mru); + { + extern int cxt1e1_max_mru; #if 0 - len += sprintf (buffer + len, "\nmax_chans_used: %d\n", max_chans_used); - len += sprintf (buffer + len, "cxt1e1_max_mtu: %d\n", cxt1e1_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; + extern int max_chans_used; + extern int cxt1e1_max_mtu; #endif + extern int max_rxdesc_used, max_txdesc_used; + seq_printf(m, "\ncxt1e1_max_mru: %d\n", cxt1e1_max_mru); #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 */ - } + seq_printf(m, "\nmax_chans_used: %d\n", max_chans_used); + seq_printf(m, "cxt1e1_max_mtu: %d\n", cxt1e1_max_mtu); #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 */ + seq_printf(m, "max_rxdesc_used: %d\n", max_rxdesc_used); + seq_printf(m, "max_txdesc_used: %d\n", max_txdesc_used); + } #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. -***/ + kfree(bip); - return len; + pr_devel(">> proc_fs: finished\n"); + return 0; } -/* initialize the /proc subsystem for the specific SBE driver */ - -int __init -sbecom_proc_brd_init (ci_t * ci) +/* + * seq_file wrappers for procfile show routines. + */ +static int sbecom_proc_open(struct inode *inode, struct file *file) { - 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; + return single_open(file, sbecom_proc_get_sbe_info, PDE_DATA(inode)); } -#else /*** ! CONFIG_PROC_FS ***/ +static const struct file_operations sbecom_proc_fops = { + .open = sbecom_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; -/* stubbed off dummy routines */ - -void -sbecom_proc_brd_cleanup (ci_t * ci) -{ -} - -int __init -sbecom_proc_brd_init (ci_t * ci) +/* + * Initialize the /proc subsystem for the specific SBE driver + */ +int __init sbecom_proc_brd_init(ci_t *ci) { - return 0; -} - -#endif /*** CONFIG_PROC_FS ***/ + char dir[7 + SBE_IFACETMPL_SIZE + 1]; + 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; + } + + if (!proc_create_data("info", S_IFREG | S_IRUGO, ci->dir_dev, + &sbecom_proc_fops, ci)) { + pr_err("Unable to create entry /proc/driver/%s/info\n", ci->devname); + goto fail; + } + return 0; -/*** End-of-File ***/ +fail: + sbecom_proc_brd_cleanup(ci); + return 1; +} |