Skip to content

[Accton][AS7927-50X] implement XCVR thermal monitoring, OTP, and BMC reporting #15

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
richardkuo1999 wants to merge 1 commit into
base: add_platform_as7927-50x
Choose a base branch
from
Open

[Accton][AS7927-50X] implement XCVR thermal monitoring, OTP, and BMC reporting #15

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions builds/any/rootfs/buster/common/all-base-packages.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -85,3 +85,4 @@
- htop
- tree
- memtester
- ipmitool
64 changes: 61 additions & 3 deletions ...ages/platforms/accton/x86-64/as7927-50x/modules/builds/src/x86-64-accton-as7927-50x-sys.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,10 +45,13 @@
#define IPMI_CPLD_DCSCM_CMD 0x06 // Since addr conflicts with FPGA, replaced by 0x06
#define IPMI_CPLD_FPGA_CMD 0x60
#define IPMI_CPLD_SYS_CMD 0x61
#define IPMI_SEND_THERMAL_DATA_CMD 0x13

static int as7927_50x_sys_probe(struct platform_device *pdev);
static int as7927_50x_sys_remove(struct platform_device *pdev);
static ssize_t show_cpld_version(struct device *dev, struct device_attribute *da, char *buf);
static ssize_t set_bmc_thermal_data(struct device *dev, struct device_attribute *da,
const char *buf, size_t count);

struct as7927_50x_sys_data {
struct platform_device *pdev;
Expand All @@ -58,7 +61,7 @@ struct as7927_50x_sys_data {
struct ipmi_data ipmi;
unsigned char ipmi_resp_eeprom[EEPROM_SIZE];
unsigned char ipmi_resp_cpld[4];
unsigned char ipmi_tx_data[2];
unsigned char ipmi_tx_data[3];
struct bin_attribute eeprom; /* eeprom data */
};

Expand All @@ -78,21 +81,24 @@ enum as5916_54xks_sys_sysfs_attrs {
FPGA_CPLD,
FAN_CPLD,
DCSCM_CPLD,
SYS_CPLD
SYS_CPLD,
THERMAL_DATA
};
/* Functions to talk to the IPMI layer */
static SENSOR_DEVICE_ATTR(come_e_cpld_ver, S_IRUGO, show_cpld_version, NULL, COM_E_CPLD);
static SENSOR_DEVICE_ATTR(fpga_cpld_ver, S_IRUGO, show_cpld_version, NULL, FPGA_CPLD);
static SENSOR_DEVICE_ATTR(fan_cpld_ver, S_IRUGO, show_cpld_version, NULL, FAN_CPLD);
static SENSOR_DEVICE_ATTR(dcscm_cpld_ver, S_IRUGO, show_cpld_version, NULL, DCSCM_CPLD);
static SENSOR_DEVICE_ATTR(sys_cpld_ver, S_IRUGO, show_cpld_version, NULL, SYS_CPLD);
static SENSOR_DEVICE_ATTR(bmc_thermal_data, S_IWUSR, NULL, set_bmc_thermal_data, THERMAL_DATA);

static struct attribute *as7927_50x_sys_attributes[] = {
&sensor_dev_attr_come_e_cpld_ver.dev_attr.attr,
&sensor_dev_attr_fpga_cpld_ver.dev_attr.attr,
&sensor_dev_attr_fan_cpld_ver.dev_attr.attr,
&sensor_dev_attr_dcscm_cpld_ver.dev_attr.attr,
&sensor_dev_attr_sys_cpld_ver.dev_attr.attr,
&sensor_dev_attr_bmc_thermal_data.dev_attr.attr,
NULL
};

Expand All @@ -113,7 +119,7 @@ static ssize_t sys_eeprom_read(loff_t off, char *buf, size_t count)
data->ipmi_tx_data[0] = (off & 0xff);
data->ipmi_tx_data[1] = length;
status = ipmi_send_message(&data->ipmi, IPMI_SYSEEPROM_READ_CMD,
data->ipmi_tx_data, sizeof(data->ipmi_tx_data),
data->ipmi_tx_data, 2,
data->ipmi_resp_eeprom + off, length);
if (unlikely(status != 0)) {
goto exit;
Expand Down Expand Up @@ -267,6 +273,58 @@ static ssize_t show_cpld_version(struct device *dev, struct device_attribute *da
return error;
}

static ssize_t set_bmc_thermal_data(struct device *dev, struct device_attribute *da,
const char *buf, size_t count)
{
int status;
int args;
char *opt, tmp[32] = {0};
char *tmp_p;
size_t copy_size;
u8 input[3] = {0};

copy_size = (count < sizeof(tmp)) ? count : sizeof(tmp) - 1;
#ifdef __STDC_LIB_EXT1__
memcpy_s(tmp, copy_size, buf, copy_size);
#else
memcpy(tmp, buf, copy_size);
#endif
tmp[copy_size] = '\0';

args = 0;
tmp_p = strim(tmp);
while (args < 3 && (opt = strsep(&tmp_p, " ")) != NULL) {
if (kstrtou8(opt, 10, &input[args]) == 0) {
args++;
}
}
if (args != 3) {
return -EINVAL;
}

mutex_lock(&data->update_lock);

data->ipmi_tx_data[0] = input[0];
data->ipmi_tx_data[1] = input[1];
data->ipmi_tx_data[2] = input[2];
status = ipmi_send_message(&data->ipmi, IPMI_SEND_THERMAL_DATA_CMD,
data->ipmi_tx_data, 3,
NULL, 0);
if (unlikely(status != 0))
goto exit;

if (unlikely(data->ipmi.rx_result != 0)) {
status = -EINVAL;
goto exit;
}

status = count;

exit:
mutex_unlock(&data->update_lock);
return status;
}

static int as7927_50x_sys_probe(struct platform_device *pdev)
{
int status = -1;
Expand Down
3 changes: 3 additions & 0 deletions ...s/accton/x86-64/as7927-50x/onlp/builds/x86_64_accton_as7927_50x/module/src/platform_lib.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@
#ifndef __PLATFORM_LIB_H__
#define __PLATFORM_LIB_H__

#include <unistd.h>
#include <pthread.h>
#include "x86_64_accton_as7927_50x_log.h"

#define CHASSIS_FAN_COUNT 14
Expand All @@ -46,6 +48,7 @@
#define BIOS_VER_PATH "/sys/devices/virtual/dmi/id/bios_version"
#define BMC_VER1_PATH "/sys/devices/platform/ipmi_bmc.0/firmware_revision"
#define BMC_VER2_PATH "/sys/devices/platform/ipmi_bmc.0/aux_firmware_revision"
#define BMC_THERMAL_DATA_PATH "/sys/devices/platform/as7927_50x_sys/bmc_thermal_data"

enum onlp_thermal_id {
THERMAL_RESERVED = 0,
Expand Down
Loading