- Add gendev (stands for generic device) support for Eeprom

publish with SDR Type 10h (Gendev).  Eeprom are accessed using
  Master Write-Read IPMI cmd.
This commit is contained in:
Jean-Michel Audet 2008-09-17 20:00:53 +00:00
parent 09011bb590
commit 86eef09b2f

639
ipmitool/lib/ipmi_gendev.c Normal file
View File

@ -0,0 +1,639 @@
/*
* Copyright (c) 2003 Kontron Canada, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
* SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE
* FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL
* SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
* OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
* LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <time.h>
#include <ipmitool/ipmi.h>
#include <ipmitool/log.h>
#include <ipmitool/ipmi_mc.h>
#include <ipmitool/ipmi_sdr.h>
#include <ipmitool/ipmi_gendev.h>
#include <ipmitool/ipmi_intf.h>
#include <ipmitool/ipmi_sel.h>
#include <ipmitool/ipmi_entity.h>
#include <ipmitool/ipmi_constants.h>
#include <ipmitool/ipmi_strings.h>
#if HAVE_CONFIG_H
# include <config.h>
#endif
extern int verbose;
#define GENDEV_RETRY_COUNT 5
#define GENDEV_MAX_SIZE 16
typedef struct gendev_eeprom_info
{
uint32_t size;
uint16_t page_size;
uint8_t address_span;
uint8_t address_length;
}t_gendev_eeprom_info;
static int
ipmi_gendev_get_eeprom_size(
struct ipmi_intf *intf,
struct sdr_record_generic_locator *dev,
t_gendev_eeprom_info *info
)
{
int eeprom_size = 0;
/*
lprintf(LOG_ERR, "Gen Device : %s", dev->id_string);
lprintf(LOG_ERR, "Access Addr: %x", dev->dev_access_addr);
lprintf(LOG_ERR, "Slave Addr : %x", dev->dev_slave_addr);
lprintf(LOG_ERR, "Channel Num: %x", dev->channel_num);
lprintf(LOG_ERR, "Lun : %x", dev->lun);
lprintf(LOG_ERR, "Bus : %x", dev->bus);
lprintf(LOG_ERR, "Addr Span : %x", dev->addr_span);
lprintf(LOG_ERR, "DevType : %x", dev->dev_type);
lprintf(LOG_ERR, "DevType Mod: %x", dev->dev_type_modifier);
*/
if( info != NULL)
{
switch(dev->dev_type)
{
case 0x08: // 24C01
info->size = 128;
info->page_size = 8;
info->address_span = dev->addr_span;
info->address_length = 1;
break;
case 0x09: // 24C02
info->size = 256;
info->page_size = 8;
info->address_span = dev->addr_span;
info->address_length = 1;
break;
case 0x0A: // 24C04
info->size = 512;
info->page_size = 8;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0x0B: // 24C08
info->size = 1024;
info->page_size = 8;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0x0C: // 24C16
info->size = 2048;
info->page_size = 256;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0x0D: // 24C17
info->size = 2048;
info->page_size = 256;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0x0E: // 24C32
info->size = 4096;
info->page_size = 8;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0x0F: // 24C64
info->size = 8192;
info->page_size = 32;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0xC0: // Proposed OEM Code for 24C128
info->size = 16384;
info->page_size = 64;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0xC1: // Proposed OEM Code for 24C256
info->size = 32748;
info->page_size = 64;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0xC2: // Proposed OEM Code for 24C512
info->size = 65536;
info->page_size = 128;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
case 0xC3: // Proposed OEM Code for 24C1024
info->size = 131072;
info->page_size = 128;
info->address_span = dev->addr_span;
info->address_length = 2;
break;
/* Please reserved up to CFh for future update */
default: // Not a eeprom, return size = 0;
info->size = 0;
info->page_size = 0;
info->address_span = 0;
info->address_length = 0;
break;
}
eeprom_size = info->size;
}
return eeprom_size;
}
static int
ipmi_gendev_read_file(
struct ipmi_intf *intf,
struct sdr_record_generic_locator *dev,
const char *ofile
)
{
int rc = 0;
int eeprom_size;
t_gendev_eeprom_info eeprom_info;
eeprom_size = ipmi_gendev_get_eeprom_size(intf, dev, &eeprom_info);
if(eeprom_size > 0)
{
FILE *fp;
/* now write to file */
fp = ipmi_open_file_write(ofile);
if(fp)
{
struct ipmi_rs *rsp;
int numWrite;
uint32_t counter;
uint8_t msize;
uint8_t channel = dev->channel_num;
uint8_t i2cbus = dev->bus;
uint8_t i2caddr = dev->dev_slave_addr;
uint8_t privatebus = 1;
uint32_t address_span_size;
uint8_t percentCompleted = 0;
/* Handle Address Span */
if( eeprom_info.address_span != 0)
{
address_span_size =
(eeprom_info.size / (eeprom_info.address_span+1));
}
else
{
address_span_size = eeprom_info.size;
}
/* Setup read/write size */
if( eeprom_info.page_size < GENDEV_MAX_SIZE)
{
msize = eeprom_info.page_size;
}
else
{
msize = GENDEV_MAX_SIZE;
// All eeprom with page higher than 32 is on the
// 16 bytes boundary
}
/* Setup i2c bus byte */
i2cbus = ((channel & 0xF) << 4) | ((i2cbus & 7) << 1) | privatebus;
/*
lprintf(LOG_ERR, "Generic device: %s", dev->id_string);
lprintf(LOG_ERR, "I2C Chnl: %x", channel);
lprintf(LOG_ERR, "I2C Bus : %x", i2cbus);
lprintf(LOG_ERR, "I2C Addr: %x", i2caddr); */
for (
counter = 0;
(counter < (eeprom_info.size)) && (rc == 0);
counter+= msize
)
{
uint8_t retryCounter;
for(
retryCounter = 0;
retryCounter<GENDEV_RETRY_COUNT;
retryCounter ++
)
{
uint8_t wrByte[GENDEV_MAX_SIZE+2];
wrByte[0] = (uint8_t) (counter>>0);
if(eeprom_info.address_length > 1)
{
wrByte[1] = (uint8_t) (counter>>8);
}
i2caddr+= (((eeprom_info.size) % address_span_size) * 2);
rsp = ipmi_master_write_read(
intf,
i2cbus,
i2caddr,
(uint8_t *) wrByte,
eeprom_info.address_length,
msize
);
if (rsp != NULL)
{
retryCounter = GENDEV_RETRY_COUNT;
rc = 0;
}
else if(retryCounter < GENDEV_RETRY_COUNT)
{
retryCounter ++;
lprintf(LOG_ERR, "Retry");
sleep(1);
rc = -1;
}
else
{
lprintf(LOG_ERR, "Unable to perform I2C Master Write-Read");
rc = -1;
}
}
if( rc == 0 )
{
static uint8_t previousCompleted = 101;
numWrite = fwrite(rsp->data, 1, msize, fp);
if (numWrite != msize)
{
lprintf(LOG_ERR, "Error writing file %s", ofile);
rc = -1;
break;
}
percentCompleted = ((counter * 100) / eeprom_info.size );
if(percentCompleted != previousCompleted)
{
printf("\r%i percent completed", percentCompleted);
previousCompleted = percentCompleted;
}
}
}
if(counter == (eeprom_info.size))
{
printf("\r%100 percent completed\n");
}
else
{
printf("\rError: %i percent completed, read not completed \n", percentCompleted);
}
fclose(fp);
}
}
else
{
lprintf(LOG_ERR, "The selected generic device is not an eeprom");
}
return rc;
}
/* ipmi_gendev_write_file - Read raw SDR from binary file
*
* used for writing generic locator device Eeprom type
*
* @intf: ipmi interface
* @dev: generic device to read
* @ofile: output filename
*
* returns 0 on success
* returns -1 on error
*/
static int
ipmi_gendev_write_file(
struct ipmi_intf *intf,
struct sdr_record_generic_locator *dev,
const char *ofile
)
{
int rc = 0;
int eeprom_size;
t_gendev_eeprom_info eeprom_info;
eeprom_size = ipmi_gendev_get_eeprom_size(intf, dev, &eeprom_info);
if(eeprom_size > 0)
{
FILE *fp;
uint32_t fileLength = 0;
/* now write to file */
fp = ipmi_open_file_read(ofile);
if(fp)
{
/* Retreive file length, check if it's fits the Eeprom Size */
fseek(fp, 0 ,SEEK_END);
fileLength = ftell(fp);
lprintf(LOG_ERR, "File Size: %i", fileLength);
lprintf(LOG_ERR, "Eeprom Size: %i", eeprom_size);
if(fileLength != eeprom_size)
{
lprintf(LOG_ERR, "File size does not fit Eeprom Size");
fclose(fp);
fp = NULL;
}
else
{
fseek(fp, 0 ,SEEK_SET);
}
}
if(fp)
{
struct ipmi_rs *rsp;
int numRead;
uint32_t counter;
uint8_t msize;
uint8_t channel = dev->channel_num;
uint8_t i2cbus = dev->bus;
uint8_t i2caddr = dev->dev_slave_addr;
uint8_t privatebus = 1;
uint32_t address_span_size;
uint8_t percentCompleted = 0;
/* Handle Address Span */
if( eeprom_info.address_span != 0)
{
address_span_size =
(eeprom_info.size / (eeprom_info.address_span+1));
}
else
{
address_span_size = eeprom_info.size;
}
/* Setup read/write size */
if( eeprom_info.page_size < GENDEV_MAX_SIZE)
{
msize = eeprom_info.page_size;
}
else
{
msize = GENDEV_MAX_SIZE;
// All eeprom with page higher than 32 is on the
// 16 bytes boundary
}
/* Setup i2c bus byte */
i2cbus = ((channel & 0xF) << 4) | ((i2cbus & 7) << 1) | privatebus;
/*
lprintf(LOG_ERR, "Generic device: %s", dev->id_string);
lprintf(LOG_ERR, "I2C Chnl: %x", channel);
lprintf(LOG_ERR, "I2C Bus : %x", i2cbus);
lprintf(LOG_ERR, "I2C Addr: %x", i2caddr); */
for (
counter = 0;
(counter < (eeprom_info.size)) && (rc == 0);
counter+= msize
)
{
uint8_t retryCounter;
uint8_t readByte[GENDEV_MAX_SIZE];
numRead = fread(readByte, 1, msize, fp);
if (numRead != msize)
{
lprintf(LOG_ERR, "Error reading file %s", ofile);
rc = -1;
break;
}
for(
retryCounter = 0;
retryCounter<GENDEV_RETRY_COUNT;
retryCounter ++
)
{
uint8_t wrByte[GENDEV_MAX_SIZE+2];
wrByte[0] = (uint8_t) (counter>>0);
if(eeprom_info.address_length > 1)
{
wrByte[1] = (uint8_t) (counter>>8);
}
memcpy(&wrByte[eeprom_info.address_length], readByte, msize);
i2caddr+= (((eeprom_info.size) % address_span_size) * 2);
rsp = ipmi_master_write_read(intf, i2cbus, i2caddr, (uint8_t *) wrByte, eeprom_info.address_length+msize, 0);
if (rsp != NULL)
{
retryCounter = GENDEV_RETRY_COUNT;
rc = 0;
}
else if(retryCounter < GENDEV_RETRY_COUNT)
{
retryCounter ++;
lprintf(LOG_ERR, "Retry");
sleep(1);
rc = -1;
}
else
{
lprintf(LOG_ERR, "Unable to perform I2C Master Write-Read");
rc = -1;
}
}
if( rc == 0 )
{
static uint8_t previousCompleted = 101;
percentCompleted = ((counter * 100) / eeprom_info.size );
if(percentCompleted != previousCompleted)
{
printf("\r%i percent completed", percentCompleted);
previousCompleted = percentCompleted;
}
}
}
if(counter == (eeprom_info.size))
{
printf("\r%100 percent completed\n");
}
else
{
printf("\rError: %i percent completed, read not completed \n", percentCompleted);
}
fclose(fp);
}
}
else
{
lprintf(LOG_ERR, "The selected generic device is not an eeprom");
}
return rc;
}
/* ipmi_gendev_main - top-level handler for generic device
*
* @intf: ipmi interface
* @argc: number of arguments
* @argv: argument list
*
* returns 0 on success
* returns -1 on error
*/
int
ipmi_gendev_main(struct ipmi_intf *intf, int argc, char **argv)
{
int rc = 0;
/* initialize random numbers used later */
srand(time(NULL));
lprintf(LOG_ERR, "Rx gendev command: %s", argv[0]);
if (
(argc == 0)
||
(strncmp(argv[0], "help", 4) == 0)
)
{
lprintf(LOG_ERR,
"SDR Commands: list read write");
lprintf(LOG_ERR,
" list List All Generic Device Locators");
lprintf(LOG_ERR,
" read <sdr name> <file> Read to file eeprom specify by Generic Device Locators");
lprintf(LOG_ERR,
" write <sdr name> <file> Write from file eeprom specify by Generic Device Locators");
}
else if ( strncmp(argv[0], "list", 4) == 0)
{
rc = ipmi_sdr_print_sdr(intf,
SDR_RECORD_TYPE_GENERIC_DEVICE_LOCATOR);
}
else if (strncmp(argv[0], "read", 4) == 0)
{
if (argc < 3)
lprintf(LOG_ERR, "usage: gendev read <gendev> <filename>");
else
{
struct sdr_record_list *sdr;
lprintf(LOG_ERR, "Gendev read sdr name : %s", argv[1]);
printf("Locating sensor record '%s'...\n", argv[1]);
/* lookup by sensor name */
sdr = ipmi_sdr_find_sdr_byid(intf, argv[1]);
if (sdr == NULL)
{
lprintf(LOG_ERR, "Sensor data record not found!");
return -1;
}
if (sdr->type != SDR_RECORD_TYPE_GENERIC_DEVICE_LOCATOR)
{
lprintf(LOG_ERR, "Target SDR is not a generic device locator");
return -1;
}
lprintf(LOG_ERR, "Gendev read file name: %s", argv[2]);
ipmi_gendev_read_file(intf, sdr->record.genloc, argv[2]);
}
}
else if (strncmp(argv[0], "write", 5) == 0)
{
if (argc < 3)
lprintf(LOG_ERR, "usage: gendev write <gendev> <filename>");
else
{
struct sdr_record_list *sdr;
lprintf(LOG_ERR, "Gendev write sdr name : %s", argv[1]);
printf("Locating sensor record '%s'...\n", argv[1]);
/* lookup by sensor name */
sdr = ipmi_sdr_find_sdr_byid(intf, argv[1]);
if (sdr == NULL)
{
lprintf(LOG_ERR, "Sensor data record not found!");
return -1;
}
if (sdr->type != SDR_RECORD_TYPE_GENERIC_DEVICE_LOCATOR)
{
lprintf(LOG_ERR, "Target SDR is not a generic device locator");
return -1;
}
lprintf(LOG_ERR, "Gendev write file name: %s", argv[2]);
ipmi_gendev_write_file(intf, sdr->record.genloc, argv[2]);
}
}
else
{
lprintf(LOG_ERR, "Invalid gendev command: %s", argv[0]);
rc = -1;
}
return rc;
}