aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/sk98lin/skvpd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/sk98lin/skvpd.c')
-rw-r--r--drivers/net/sk98lin/skvpd.c1091
1 files changed, 0 insertions, 1091 deletions
diff --git a/drivers/net/sk98lin/skvpd.c b/drivers/net/sk98lin/skvpd.c
deleted file mode 100644
index 1e662aaebf8..00000000000
--- a/drivers/net/sk98lin/skvpd.c
+++ /dev/null
@@ -1,1091 +0,0 @@
-/******************************************************************************
- *
- * Name: skvpd.c
- * Project: GEnesis, PCI Gigabit Ethernet Adapter
- * Version: $Revision: 1.37 $
- * Date: $Date: 2003/01/13 10:42:45 $
- * Purpose: Shared software to read and write VPD data
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * (C)Copyright 1998-2003 SysKonnect GmbH.
- *
- * 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.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-/*
- Please refer skvpd.txt for information how to include this module
- */
-static const char SysKonnectFileId[] =
- "@(#)$Id: skvpd.c,v 1.37 2003/01/13 10:42:45 rschmidt Exp $ (C) SK";
-
-#include "h/skdrv1st.h"
-#include "h/sktypes.h"
-#include "h/skdebug.h"
-#include "h/skdrv2nd.h"
-
-/*
- * Static functions
- */
-#ifndef SK_KR_PROTO
-static SK_VPD_PARA *vpd_find_para(
- SK_AC *pAC,
- const char *key,
- SK_VPD_PARA *p);
-#else /* SK_KR_PROTO */
-static SK_VPD_PARA *vpd_find_para();
-#endif /* SK_KR_PROTO */
-
-/*
- * waits for a completion of a VPD transfer
- * The VPD transfer must complete within SK_TICKS_PER_SEC/16
- *
- * returns 0: success, transfer completes
- * error exit(9) with a error message
- */
-static int VpdWait(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC, /* IO Context */
-int event) /* event to wait for (VPD_READ / VPD_write) completion*/
-{
- SK_U64 start_time;
- SK_U16 state;
-
- SK_DBG_MSG(pAC,SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD wait for %s\n", event?"Write":"Read"));
- start_time = SkOsGetTime(pAC);
- do {
- if (SkOsGetTime(pAC) - start_time > SK_TICKS_PER_SEC) {
-
- /* Bug fix AF: Thu Mar 28 2002
- * Do not call: VPD_STOP(pAC, IoC);
- * A pending VPD read cycle can not be aborted by writing
- * VPD_WRITE to the PCI_VPD_ADR_REG (VPD address register).
- * Although the write threshold in the OUR-register protects
- * VPD read only space from being overwritten this does not
- * protect a VPD read from being `converted` into a VPD write
- * operation (on the fly). As a consequence the VPD_STOP would
- * delete VPD read only data. In case of any problems with the
- * I2C bus we exit the loop here. The I2C read operation can
- * not be aborted except by a reset (->LR).
- */
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_FATAL | SK_DBGCAT_ERR,
- ("ERROR:VPD wait timeout\n"));
- return(1);
- }
-
- VPD_IN16(pAC, IoC, PCI_VPD_ADR_REG, &state);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("state = %x, event %x\n",state,event));
- } while((int)(state & PCI_VPD_FLAG) == event);
-
- return(0);
-}
-
-#ifdef SKDIAG
-
-/*
- * Read the dword at address 'addr' from the VPD EEPROM.
- *
- * Needed Time: MIN 1,3 ms MAX 2,6 ms
- *
- * Note: The DWord is returned in the endianess of the machine the routine
- * is running on.
- *
- * Returns the data read.
- */
-SK_U32 VpdReadDWord(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC, /* IO Context */
-int addr) /* VPD address */
-{
- SK_U32 Rtv;
-
- /* start VPD read */
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD read dword at 0x%x\n",addr));
- addr &= ~VPD_WRITE; /* ensure the R/W bit is set to read */
-
- VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, (SK_U16)addr);
-
- /* ignore return code here */
- (void)VpdWait(pAC, IoC, VPD_READ);
-
- /* Don't swap here, it's a data stream of bytes */
- Rtv = 0;
-
- VPD_IN32(pAC, IoC, PCI_VPD_DAT_REG, &Rtv);
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD read dword data = 0x%x\n",Rtv));
- return(Rtv);
-}
-
-#endif /* SKDIAG */
-
-/*
- * Read one Stream of 'len' bytes of VPD data, starting at 'addr' from
- * or to the I2C EEPROM.
- *
- * Returns number of bytes read / written.
- */
-static int VpdWriteStream(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC, /* IO Context */
-char *buf, /* data buffer */
-int Addr, /* VPD start address */
-int Len) /* number of bytes to read / to write */
-{
- int i;
- int j;
- SK_U16 AdrReg;
- int Rtv;
- SK_U8 * pComp; /* Compare pointer */
- SK_U8 Data; /* Input Data for Compare */
-
- /* Init Compare Pointer */
- pComp = (SK_U8 *) buf;
-
- for (i = 0; i < Len; i++, buf++) {
- if ((i%sizeof(SK_U32)) == 0) {
- /*
- * At the begin of each cycle read the Data Reg
- * So it is initialized even if only a few bytes
- * are written.
- */
- AdrReg = (SK_U16) Addr;
- AdrReg &= ~VPD_WRITE; /* READ operation */
-
- VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, AdrReg);
-
- /* Wait for termination */
- Rtv = VpdWait(pAC, IoC, VPD_READ);
- if (Rtv != 0) {
- return(i);
- }
- }
-
- /* Write current Byte */
- VPD_OUT8(pAC, IoC, PCI_VPD_DAT_REG + (i%sizeof(SK_U32)),
- *(SK_U8*)buf);
-
- if (((i%sizeof(SK_U32)) == 3) || (i == (Len - 1))) {
- /* New Address needs to be written to VPD_ADDR reg */
- AdrReg = (SK_U16) Addr;
- Addr += sizeof(SK_U32);
- AdrReg |= VPD_WRITE; /* WRITE operation */
-
- VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, AdrReg);
-
- /* Wait for termination */
- Rtv = VpdWait(pAC, IoC, VPD_WRITE);
- if (Rtv != 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("Write Timed Out\n"));
- return(i - (i%sizeof(SK_U32)));
- }
-
- /*
- * Now re-read to verify
- */
- AdrReg &= ~VPD_WRITE; /* READ operation */
-
- VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, AdrReg);
-
- /* Wait for termination */
- Rtv = VpdWait(pAC, IoC, VPD_READ);
- if (Rtv != 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("Verify Timed Out\n"));
- return(i - (i%sizeof(SK_U32)));
- }
-
- for (j = 0; j <= (int)(i%sizeof(SK_U32)); j++, pComp++) {
-
- VPD_IN8(pAC, IoC, PCI_VPD_DAT_REG + j, &Data);
-
- if (Data != *pComp) {
- /* Verify Error */
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("WriteStream Verify Error\n"));
- return(i - (i%sizeof(SK_U32)) + j);
- }
- }
- }
- }
-
- return(Len);
-}
-
-
-/*
- * Read one Stream of 'len' bytes of VPD data, starting at 'addr' from
- * or to the I2C EEPROM.
- *
- * Returns number of bytes read / written.
- */
-static int VpdReadStream(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC, /* IO Context */
-char *buf, /* data buffer */
-int Addr, /* VPD start address */
-int Len) /* number of bytes to read / to write */
-{
- int i;
- SK_U16 AdrReg;
- int Rtv;
-
- for (i = 0; i < Len; i++, buf++) {
- if ((i%sizeof(SK_U32)) == 0) {
- /* New Address needs to be written to VPD_ADDR reg */
- AdrReg = (SK_U16) Addr;
- Addr += sizeof(SK_U32);
- AdrReg &= ~VPD_WRITE; /* READ operation */
-
- VPD_OUT16(pAC, IoC, PCI_VPD_ADR_REG, AdrReg);
-
- /* Wait for termination */
- Rtv = VpdWait(pAC, IoC, VPD_READ);
- if (Rtv != 0) {
- return(i);
- }
- }
- VPD_IN8(pAC, IoC, PCI_VPD_DAT_REG + (i%sizeof(SK_U32)),
- (SK_U8 *)buf);
- }
-
- return(Len);
-}
-
-/*
- * Read ore writes 'len' bytes of VPD data, starting at 'addr' from
- * or to the I2C EEPROM.
- *
- * Returns number of bytes read / written.
- */
-static int VpdTransferBlock(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC, /* IO Context */
-char *buf, /* data buffer */
-int addr, /* VPD start address */
-int len, /* number of bytes to read / to write */
-int dir) /* transfer direction may be VPD_READ or VPD_WRITE */
-{
- int Rtv; /* Return value */
- int vpd_rom_size;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD %s block, addr = 0x%x, len = %d\n",
- dir ? "write" : "read", addr, len));
-
- if (len == 0)
- return(0);
-
- vpd_rom_size = pAC->vpd.rom_size;
-
- if (addr > vpd_rom_size - 4) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Address error: 0x%x, exp. < 0x%x\n",
- addr, vpd_rom_size - 4));
- return(0);
- }
-
- if (addr + len > vpd_rom_size) {
- len = vpd_rom_size - addr;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("Warning: len was cut to %d\n", len));
- }
-
- if (dir == VPD_READ) {
- Rtv = VpdReadStream(pAC, IoC, buf, addr, len);
- }
- else {
- Rtv = VpdWriteStream(pAC, IoC, buf, addr, len);
- }
-
- return(Rtv);
-}
-
-#ifdef SKDIAG
-
-/*
- * Read 'len' bytes of VPD data, starting at 'addr'.
- *
- * Returns number of bytes read.
- */
-int VpdReadBlock(
-SK_AC *pAC, /* pAC pointer */
-SK_IOC IoC, /* IO Context */
-char *buf, /* buffer were the data should be stored */
-int addr, /* start reading at the VPD address */
-int len) /* number of bytes to read */
-{
- return(VpdTransferBlock(pAC, IoC, buf, addr, len, VPD_READ));
-}
-
-/*
- * Write 'len' bytes of *but to the VPD EEPROM, starting at 'addr'.
- *
- * Returns number of bytes writes.
- */
-int VpdWriteBlock(
-SK_AC *pAC, /* pAC pointer */
-SK_IOC IoC, /* IO Context */
-char *buf, /* buffer, holds the data to write */
-int addr, /* start writing at the VPD address */
-int len) /* number of bytes to write */
-{
- return(VpdTransferBlock(pAC, IoC, buf, addr, len, VPD_WRITE));
-}
-#endif /* SKDIAG */
-
-/*
- * (re)initialize the VPD buffer
- *
- * Reads the VPD data from the EEPROM into the VPD buffer.
- * Get the remaining read only and read / write space.
- *
- * return 0: success
- * 1: fatal VPD error
- */
-static int VpdInit(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC) /* IO Context */
-{
- SK_VPD_PARA *r, rp; /* RW or RV */
- int i;
- unsigned char x;
- int vpd_size;
- SK_U16 dev_id;
- SK_U32 our_reg2;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_INIT, ("VpdInit .. "));
-
- VPD_IN16(pAC, IoC, PCI_DEVICE_ID, &dev_id);
-
- VPD_IN32(pAC, IoC, PCI_OUR_REG_2, &our_reg2);
-
- pAC->vpd.rom_size = 256 << ((our_reg2 & PCI_VPD_ROM_SZ) >> 14);
-
- /*
- * this function might get used before the hardware is initialized
- * therefore we cannot always trust in GIChipId
- */
- if (((pAC->vpd.v.vpd_status & VPD_VALID) == 0 &&
- dev_id != VPD_DEV_ID_GENESIS) ||
- ((pAC->vpd.v.vpd_status & VPD_VALID) != 0 &&
- !pAC->GIni.GIGenesis)) {
-
- /* for Yukon the VPD size is always 256 */
- vpd_size = VPD_SIZE_YUKON;
- }
- else {
- /* Genesis uses the maximum ROM size up to 512 for VPD */
- if (pAC->vpd.rom_size > VPD_SIZE_GENESIS) {
- vpd_size = VPD_SIZE_GENESIS;
- }
- else {
- vpd_size = pAC->vpd.rom_size;
- }
- }
-
- /* read the VPD data into the VPD buffer */
- if (VpdTransferBlock(pAC, IoC, pAC->vpd.vpd_buf, 0, vpd_size, VPD_READ)
- != vpd_size) {
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("Block Read Error\n"));
- return(1);
- }
-
- pAC->vpd.vpd_size = vpd_size;
-
- /* Asus K8V Se Deluxe bugfix. Correct VPD content */
- /* MBo April 2004 */
- if (((unsigned char)pAC->vpd.vpd_buf[0x3f] == 0x38) &&
- ((unsigned char)pAC->vpd.vpd_buf[0x40] == 0x3c) &&
- ((unsigned char)pAC->vpd.vpd_buf[0x41] == 0x45)) {
- printk("sk98lin: Asus mainboard with buggy VPD? "
- "Correcting data.\n");
- pAC->vpd.vpd_buf[0x40] = 0x38;
- }
-
-
- /* find the end tag of the RO area */
- if (!(r = vpd_find_para(pAC, VPD_RV, &rp))) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Encoding Error: RV Tag not found\n"));
- return(1);
- }
-
- if (r->p_val + r->p_len > pAC->vpd.vpd_buf + vpd_size/2) {
- SK_DBG_MSG(pAC,SK_DBGMOD_VPD,SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Encoding Error: Invalid VPD struct size\n"));
- return(1);
- }
- pAC->vpd.v.vpd_free_ro = r->p_len - 1;
-
- /* test the checksum */
- for (i = 0, x = 0; (unsigned)i <= (unsigned)vpd_size/2 - r->p_len; i++) {
- x += pAC->vpd.vpd_buf[i];
- }
-
- if (x != 0) {
- /* checksum error */
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("VPD Checksum Error\n"));
- return(1);
- }
-
- /* find and check the end tag of the RW area */
- if (!(r = vpd_find_para(pAC, VPD_RW, &rp))) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Encoding Error: RV Tag not found\n"));
- return(1);
- }
-
- if (r->p_val < pAC->vpd.vpd_buf + vpd_size/2) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Encoding Error: Invalid VPD struct size\n"));
- return(1);
- }
- pAC->vpd.v.vpd_free_rw = r->p_len;
-
- /* everything seems to be ok */
- if (pAC->GIni.GIChipId != 0) {
- pAC->vpd.v.vpd_status |= VPD_VALID;
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_INIT,
- ("done. Free RO = %d, Free RW = %d\n",
- pAC->vpd.v.vpd_free_ro, pAC->vpd.v.vpd_free_rw));
-
- return(0);
-}
-
-/*
- * find the Keyword 'key' in the VPD buffer and fills the
- * parameter struct 'p' with it's values
- *
- * returns *p success
- * 0: parameter was not found or VPD encoding error
- */
-static SK_VPD_PARA *vpd_find_para(
-SK_AC *pAC, /* common data base */
-const char *key, /* keyword to find (e.g. "MN") */
-SK_VPD_PARA *p) /* parameter description struct */
-{
- char *v ; /* points to VPD buffer */
- int max; /* Maximum Number of Iterations */
-
- v = pAC->vpd.vpd_buf;
- max = 128;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD find para %s .. ",key));
-
- /* check mandatory resource type ID string (Product Name) */
- if (*v != (char)RES_ID) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Error: 0x%x missing\n", RES_ID));
- return NULL;
- }
-
- if (strcmp(key, VPD_NAME) == 0) {
- p->p_len = VPD_GET_RES_LEN(v);
- p->p_val = VPD_GET_VAL(v);
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("found, len = %d\n", p->p_len));
- return(p);
- }
-
- v += 3 + VPD_GET_RES_LEN(v) + 3;
- for (;; ) {
- if (SK_MEMCMP(key,v,2) == 0) {
- p->p_len = VPD_GET_VPD_LEN(v);
- p->p_val = VPD_GET_VAL(v);
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("found, len = %d\n",p->p_len));
- return(p);
- }
-
- /* exit when reaching the "RW" Tag or the maximum of itera. */
- max--;
- if (SK_MEMCMP(VPD_RW,v,2) == 0 || max == 0) {
- break;
- }
-
- if (SK_MEMCMP(VPD_RV,v,2) == 0) {
- v += 3 + VPD_GET_VPD_LEN(v) + 3; /* skip VPD-W */
- }
- else {
- v += 3 + VPD_GET_VPD_LEN(v);
- }
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("scanning '%c%c' len = %d\n",v[0],v[1],v[2]));
- }
-
-#ifdef DEBUG
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL, ("not found\n"));
- if (max == 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Key/Len Encoding error\n"));
- }
-#endif /* DEBUG */
- return NULL;
-}
-
-/*
- * Move 'n' bytes. Begin with the last byte if 'n' is > 0,
- * Start with the last byte if n is < 0.
- *
- * returns nothing
- */
-static void vpd_move_para(
-char *start, /* start of memory block */
-char *end, /* end of memory block to move */
-int n) /* number of bytes the memory block has to be moved */
-{
- char *p;
- int i; /* number of byte copied */
-
- if (n == 0)
- return;
-
- i = (int) (end - start + 1);
- if (n < 0) {
- p = start + n;
- while (i != 0) {
- *p++ = *start++;
- i--;
- }
- }
- else {
- p = end + n;
- while (i != 0) {
- *p-- = *end--;
- i--;
- }
- }
-}
-
-/*
- * setup the VPD keyword 'key' at 'ip'.
- *
- * returns nothing
- */
-static void vpd_insert_key(
-const char *key, /* keyword to insert */
-const char *buf, /* buffer with the keyword value */
-int len, /* length of the value string */
-char *ip) /* inseration point */
-{
- SK_VPD_KEY *p;
-
- p = (SK_VPD_KEY *) ip;
- p->p_key[0] = key[0];
- p->p_key[1] = key[1];
- p->p_len = (unsigned char) len;
- SK_MEMCPY(&p->p_val,buf,len);
-}
-
-/*
- * Setup the VPD end tag "RV" / "RW".
- * Also correct the remaining space variables vpd_free_ro / vpd_free_rw.
- *
- * returns 0: success
- * 1: encoding error
- */
-static int vpd_mod_endtag(
-SK_AC *pAC, /* common data base */
-char *etp) /* end pointer input position */
-{
- SK_VPD_KEY *p;
- unsigned char x;
- int i;
- int vpd_size;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD modify endtag at 0x%x = '%c%c'\n",etp,etp[0],etp[1]));
-
- vpd_size = pAC->vpd.vpd_size;
-
- p = (SK_VPD_KEY *) etp;
-
- if (p->p_key[0] != 'R' || (p->p_key[1] != 'V' && p->p_key[1] != 'W')) {
- /* something wrong here, encoding error */
- SK_DBG_MSG(pAC,SK_DBGMOD_VPD,SK_DBGCAT_ERR | SK_DBGCAT_FATAL,
- ("Encoding Error: invalid end tag\n"));
- return(1);
- }
- if (etp > pAC->vpd.vpd_buf + vpd_size/2) {
- /* create "RW" tag */
- p->p_len = (unsigned char)(pAC->vpd.vpd_buf+vpd_size-etp-3-1);
- pAC->vpd.v.vpd_free_rw = (int) p->p_len;
- i = pAC->vpd.v.vpd_free_rw;
- etp += 3;
- }
- else {
- /* create "RV" tag */
- p->p_len = (unsigned char)(pAC->vpd.vpd_buf+vpd_size/2-etp-3);
- pAC->vpd.v.vpd_free_ro = (int) p->p_len - 1;
-
- /* setup checksum */
- for (i = 0, x = 0; i < vpd_size/2 - p->p_len; i++) {
- x += pAC->vpd.vpd_buf[i];
- }
- p->p_val = (char) 0 - x;
- i = pAC->vpd.v.vpd_free_ro;
- etp += 4;
- }
- while (i) {
- *etp++ = 0x00;
- i--;
- }
-
- return(0);
-}
-
-/*
- * Insert a VPD keyword into the VPD buffer.
- *
- * The keyword 'key' is inserted at the position 'ip' in the
- * VPD buffer.
- * The keywords behind the input position will
- * be moved. The VPD end tag "RV" or "RW" is generated again.
- *
- * returns 0: success
- * 2: value string was cut
- * 4: VPD full, keyword was not written
- * 6: fatal VPD error
- *
- */
-static int VpdSetupPara(
-SK_AC *pAC, /* common data base */
-const char *key, /* keyword to insert */
-const char *buf, /* buffer with the keyword value */
-int len, /* length of the keyword value */
-int type, /* VPD_RO_KEY or VPD_RW_KEY */
-int op) /* operation to do: ADD_KEY or OWR_KEY */
-{
- SK_VPD_PARA vp;
- char *etp; /* end tag position */
- int free; /* remaining space in selected area */
- char *ip; /* input position inside the VPD buffer */
- int rtv; /* return code */
- int head; /* additional haeder bytes to move */
- int found; /* additinoal bytes if the keyword was found */
- int vpd_size;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("VPD setup para key = %s, val = %s\n",key,buf));
-
- vpd_size = pAC->vpd.vpd_size;
-
- rtv = 0;
- ip = NULL;
- if (type == VPD_RW_KEY) {
- /* end tag is "RW" */
- free = pAC->vpd.v.vpd_free_rw;
- etp = pAC->vpd.vpd_buf + (vpd_size - free - 1 - 3);
- }
- else {
- /* end tag is "RV" */
- free = pAC->vpd.v.vpd_free_ro;
- etp = pAC->vpd.vpd_buf + (vpd_size/2 - free - 4);
- }
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("Free RO = %d, Free RW = %d\n",
- pAC->vpd.v.vpd_free_ro, pAC->vpd.v.vpd_free_rw));
-
- head = 0;
- found = 0;
- if (op == OWR_KEY) {
- if (vpd_find_para(pAC, key, &vp)) {
- found = 3;
- ip = vp.p_val - 3;
- free += vp.p_len + 3;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("Overwrite Key\n"));
- }
- else {
- op = ADD_KEY;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_CTRL,
- ("Add Key\n"));
- }
- }
- if (op == ADD_KEY) {
- ip = etp;
- vp.p_len = 0;
- head = 3;
- }
-
- if (len + 3 > free) {
- if (free < 7) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD Buffer Overflow, keyword not written\n"));
- return(4);
- }
- /* cut it again */
- len = free - 3;
- rtv = 2;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD Buffer Full, Keyword was cut\n"));
- }
-
- vpd_move_para(ip + vp.p_len + found, etp+2, len-vp.p_len+head);
- vpd_insert_key(key, buf, len, ip);
- if (vpd_mod_endtag(pAC, etp + len - vp.p_len + head)) {
- pAC->vpd.v.vpd_status &= ~VPD_VALID;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD Encoding Error\n"));
- return(6);
- }
-
- return(rtv);
-}
-
-
-/*
- * Read the contents of the VPD EEPROM and copy it to the
- * VPD buffer if not already done.
- *
- * return: A pointer to the vpd_status structure. The structure contains
- * this fields.
- */
-SK_VPD_STATUS *VpdStat(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC) /* IO Context */
-{
- if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) {
- (void)VpdInit(pAC, IoC);
- }
- return(&pAC->vpd.v);
-}
-
-
-/*
- * Read the contents of the VPD EEPROM and copy it to the VPD
- * buffer if not already done.
- * Scan the VPD buffer for VPD keywords and create the VPD
- * keyword list by copying the keywords to 'buf', all after
- * each other and terminated with a '\0'.
- *
- * Exceptions: o The Resource Type ID String (product name) is called "Name"
- * o The VPD end tags 'RV' and 'RW' are not listed
- *
- * The number of copied keywords is counted in 'elements'.
- *
- * returns 0: success
- * 2: buffer overfull, one or more keywords are missing
- * 6: fatal VPD error
- *
- * example values after returning:
- *
- * buf = "Name\0PN\0EC\0MN\0SN\0CP\0VF\0VL\0YA\0"
- * *len = 30
- * *elements = 9
- */
-int VpdKeys(
-SK_AC *pAC, /* common data base */
-SK_IOC IoC, /* IO Context */
-char *buf, /* buffer where to copy the keywords */
-int *len, /* buffer length */
-int *elements) /* number of keywords returned */
-{
- char *v;
- int n;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX, ("list VPD keys .. "));
- *elements = 0;
- if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) {
- if (VpdInit(pAC, IoC) != 0) {
- *len = 0;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD Init Error, terminated\n"));
- return(6);
- }
- }
-
- if ((signed)strlen(VPD_NAME) + 1 <= *len) {
- v = pAC->vpd.vpd_buf;
- strcpy(buf,VPD_NAME);
- n = strlen(VPD_NAME) + 1;
- buf += n;
- *elements = 1;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX,
- ("'%c%c' ",v[0],v[1]));
- }
- else {
- *len = 0;
- SK_DBG_MSG(pAC,SK_DBGMOD_VPD,SK_DBGCAT_ERR,
- ("buffer overflow\n"));
- return(2);
- }
-
- v += 3 + VPD_GET_RES_LEN(v) + 3;
- for (;; ) {
- /* exit when reaching the "RW" Tag */
- if (SK_MEMCMP(VPD_RW,v,2) == 0) {
- break;
- }
-
- if (SK_MEMCMP(VPD_RV,v,2) == 0) {
- v += 3 + VPD_GET_VPD_LEN(v) + 3; /* skip VPD-W */
- continue;
- }
-
- if (n+3 <= *len) {
- SK_MEMCPY(buf,v,2);
- buf += 2;
- *buf++ = '\0';
- n += 3;
- v += 3 + VPD_GET_VPD_LEN(v);
- *elements += 1;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX,
- ("'%c%c' ",v[0],v[1]));
- }
- else {
- *len = n;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("buffer overflow\n"));
- return(2);
- }
- }
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX, ("\n"));
- *len = n;
- return(0);
-}
-
-
-/*
- * Read the contents of the VPD EEPROM and copy it to the
- * VPD buffer if not already done. Search for the VPD keyword
- * 'key' and copy its value to 'buf'. Add a terminating '\0'.
- * If the value does not fit into the buffer cut it after
- * 'len' - 1 bytes.
- *
- * returns 0: success
- * 1: keyword not found
- * 2: value string was cut
- * 3: VPD transfer timeout
- * 6: fatal VPD error
- */
-int VpdRead(
-SK_AC *pAC, /* common data base */
-SK_IOC IoC, /* IO Context */
-const char *key, /* keyword to read (e.g. "MN") */
-char *buf, /* buffer where to copy the keyword value */
-int *len) /* buffer length */
-{
- SK_VPD_PARA *p, vp;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX, ("VPD read %s .. ", key));
- if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) {
- if (VpdInit(pAC, IoC) != 0) {
- *len = 0;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD init error\n"));
- return(6);
- }
- }
-
- if ((p = vpd_find_para(pAC, key, &vp)) != NULL) {
- if (p->p_len > (*(unsigned *)len)-1) {
- p->p_len = *len - 1;
- }
- SK_MEMCPY(buf, p->p_val, p->p_len);
- buf[p->p_len] = '\0';
- *len = p->p_len;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_RX,
- ("%c%c%c%c.., len = %d\n",
- buf[0],buf[1],buf[2],buf[3],*len));
- }
- else {
- *len = 0;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR, ("not found\n"));
- return(1);
- }
- return(0);
-}
-
-
-/*
- * Check whether a given key may be written
- *
- * returns
- * SK_TRUE Yes it may be written
- * SK_FALSE No it may be written
- */
-SK_BOOL VpdMayWrite(
-char *key) /* keyword to write (allowed values "Yx", "Vx") */
-{
- if ((*key != 'Y' && *key != 'V') ||
- key[1] < '0' || key[1] > 'Z' ||
- (key[1] > '9' && key[1] < 'A') || strlen(key) != 2) {
-
- return(SK_FALSE);
- }
- return(SK_TRUE);
-}
-
-/*
- * Read the contents of the VPD EEPROM and copy it to the VPD
- * buffer if not already done. Insert/overwrite the keyword 'key'
- * in the VPD buffer. Cut the keyword value if it does not fit
- * into the VPD read / write area.
- *
- * returns 0: success
- * 2: value string was cut
- * 3: VPD transfer timeout
- * 4: VPD full, keyword was not written
- * 5: keyword cannot be written
- * 6: fatal VPD error
- */
-int VpdWrite(
-SK_AC *pAC, /* common data base */
-SK_IOC IoC, /* IO Context */
-const char *key, /* keyword to write (allowed values "Yx", "Vx") */
-const char *buf) /* buffer where the keyword value can be read from */
-{
- int len; /* length of the keyword to write */
- int rtv; /* return code */
- int rtv2;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX,
- ("VPD write %s = %s\n",key,buf));
-
- if ((*key != 'Y' && *key != 'V') ||
- key[1] < '0' || key[1] > 'Z' ||
- (key[1] > '9' && key[1] < 'A') || strlen(key) != 2) {
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("illegal key tag, keyword not written\n"));
- return(5);
- }
-
- if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) {
- if (VpdInit(pAC, IoC) != 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD init error\n"));
- return(6);
- }
- }
-
- rtv = 0;
- len = strlen(buf);
- if (len > VPD_MAX_LEN) {
- /* cut it */
- len = VPD_MAX_LEN;
- rtv = 2;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("keyword too long, cut after %d bytes\n",VPD_MAX_LEN));
- }
- if ((rtv2 = VpdSetupPara(pAC, key, buf, len, VPD_RW_KEY, OWR_KEY)) != 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD write error\n"));
- return(rtv2);
- }
-
- return(rtv);
-}
-
-/*
- * Read the contents of the VPD EEPROM and copy it to the
- * VPD buffer if not already done. Remove the VPD keyword
- * 'key' from the VPD buffer.
- * Only the keywords in the read/write area can be deleted.
- * Keywords in the read only area cannot be deleted.
- *
- * returns 0: success, keyword was removed
- * 1: keyword not found
- * 5: keyword cannot be deleted
- * 6: fatal VPD error
- */
-int VpdDelete(
-SK_AC *pAC, /* common data base */
-SK_IOC IoC, /* IO Context */
-char *key) /* keyword to read (e.g. "MN") */
-{
- SK_VPD_PARA *p, vp;
- char *etp;
- int vpd_size;
-
- vpd_size = pAC->vpd.vpd_size;
-
- SK_DBG_MSG(pAC,SK_DBGMOD_VPD,SK_DBGCAT_TX,("VPD delete key %s\n",key));
- if ((pAC->vpd.v.vpd_status & VPD_VALID) == 0) {
- if (VpdInit(pAC, IoC) != 0) {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD init error\n"));
- return(6);
- }
- }
-
- if ((p = vpd_find_para(pAC, key, &vp)) != NULL) {
- if (p->p_val < pAC->vpd.vpd_buf + vpd_size/2) {
- /* try to delete read only keyword */
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("cannot delete RO keyword\n"));
- return(5);
- }
-
- etp = pAC->vpd.vpd_buf + (vpd_size-pAC->vpd.v.vpd_free_rw-1-3);
-
- vpd_move_para(vp.p_val+vp.p_len, etp+2,
- - ((int)(vp.p_len + 3)));
- if (vpd_mod_endtag(pAC, etp - vp.p_len - 3)) {
- pAC->vpd.v.vpd_status &= ~VPD_VALID;
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("VPD encoding error\n"));
- return(6);
- }
- }
- else {
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("keyword not found\n"));
- return(1);
- }
-
- return(0);
-}
-
-/*
- * If the VPD buffer contains valid data write the VPD
- * read/write area back to the VPD EEPROM.
- *
- * returns 0: success
- * 3: VPD transfer timeout
- */
-int VpdUpdate(
-SK_AC *pAC, /* Adapters context */
-SK_IOC IoC) /* IO Context */
-{
- int vpd_size;
-
- vpd_size = pAC->vpd.vpd_size;
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX, ("VPD update .. "));
- if ((pAC->vpd.v.vpd_status & VPD_VALID) != 0) {
- if (VpdTransferBlock(pAC, IoC, pAC->vpd.vpd_buf + vpd_size/2,
- vpd_size/2, vpd_size/2, VPD_WRITE) != vpd_size/2) {
-
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_ERR,
- ("transfer timed out\n"));
- return(3);
- }
- }
- SK_DBG_MSG(pAC, SK_DBGMOD_VPD, SK_DBGCAT_TX, ("done\n"));
- return(0);
-}
-