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Add the ability to query the EEPROM information in mlx5tool(8).

Browse source 
Submitted by:	slavash@
MFC after:	3 days
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2019-10-02 10:19:17 +00:00
parent 048ddb58bc
commit 133fc15cf3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=352984
2 changed files with 109 additions and 15 deletions
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33
usr.sbin/mlx5tool/mlx5tool.8
View file

@ -30,28 +30,31 @@
.Os
.Sh NAME
.Nm mlx5tool
.Nd Utility for managing Connect-X 4/5 Mellanox network adapters
.Nd Utility for managing Connect-X 4/5/6 Mellanox network adapters
.Sh SYNOPSIS
.Nm
.Fl d Ar domain:bus:slot:func
.Fl E
.Nm
.Fl d Ar domain:bus:slot:func
.Fl e
.Nm
.Fl d Ar domain:bus:slot:func
.Fl rn
.Fl f Ar file.mfa2
.Nm
.Fl d Ar domain:bus:slot:func
.Fl o Ar file
.Fl w
.Nm
.Fl d Ar domain:bus:slot:func
.Fl f Ar file.mfa2
.Fl r
.Nm
.Fl d Ar domain:bus:slot:func
.Fl z
.Sh DESCRIPTION
The
.Nm
utility is provided for management of the Connect-X 4 and 5 network adapters
utility is provided for management of the Connect-X4, 5 and 6 network adapters
in the aspects not covered by the generic
.Xr ifconfig 8
command, mostly related to the PCIe attachment and internal card working.
@ -73,21 +76,13 @@ analysis of the failure by the Mellanox support team.
.Pp
The following commands are currently implemented:
.Bl -tag -width indent
.It Fl E
Print EEPROM information
.It Fl e
Take the snapshot of the firmware registers state and store it in the
kernel buffer.
The buffer must be empty, in other words, no dumps should be written so
far, or existing dump cleared with the
.Fl r
command for the specified device.
.It Fl r
Clear the stored firmware dump, preparing the kernel buffer for
the next dump.
.It Fl w
Fetches the stored firmware dump and writes it into the file specified
by the
.Fl o
option argument.
.It Fl f
Flashes the firmware image
.Fa file.mfa2
@ -100,6 +95,16 @@ newly flashed image, which can be performed by the system reboot
or using the
.Fl z
option.
.Fl r
command for the specified device.
.It Fl r
Clear the stored firmware dump, preparing the kernel buffer for
the next dump.
.It Fl w
Fetches the stored firmware dump and writes it into the file specified
by the
.Fl o
option argument.
.It Fl z
Performs PCIe link-level reset on the specified device.
.El

91
usr.sbin/mlx5tool/mlx5tool.c
View file

@ -200,6 +200,85 @@ mlx5tool_fw_reset(int ctldev, const struct mlx5_tool_addr *addr)
return (0);
}
#define MLX5_EEPROM_HIGH_PAGE_OFFSET 128
#define MLX5_EEPROM_PAGE_LENGTH 256
static void
mlx5tool_eeprom_print(struct mlx5_eeprom_get *eeprom_info)
{
unsigned int byte_to_write, index_in_row, line_length, row;
byte_to_write = 0;
line_length = 16;
printf("\nOffset\t\tValues\n");
printf("------\t\t------");
while (byte_to_write < eeprom_info->eeprom_info_out_len) {
printf("\n0x%04X\t\t", byte_to_write);
for (index_in_row = 0; index_in_row < line_length;
index_in_row++) {
printf("%02X ",
((uint8_t *)eeprom_info->eeprom_info_buf)[
byte_to_write]);
byte_to_write++;
}
}
if (eeprom_info->eeprom_info_page_valid) {
row = MLX5_EEPROM_HIGH_PAGE_OFFSET;
printf("\n\nUpper Page 0x03\n");
printf("\nOffset\t\tValues\n");
printf("------\t\t------");
for (row = MLX5_EEPROM_HIGH_PAGE_OFFSET;
row < MLX5_EEPROM_PAGE_LENGTH;) {
printf("\n0x%04X\t\t", row);
for (index_in_row = 0;
index_in_row < line_length;
index_in_row++) {
printf("%02X ",
((uint8_t *)eeprom_info->
eeprom_info_buf)[byte_to_write]);
byte_to_write++;
row++;
}
}
}
printf("\n");
}
static int
mlx5tool_get_eeprom_info(int ctldev, const struct mlx5_tool_addr *addr)
{
struct mlx5_eeprom_get eeprom_info;
int error;
memset(&eeprom_info, 0, sizeof(eeprom_info));
eeprom_info.devaddr = *addr;
error = ioctl(ctldev, MLX5_EEPROM_GET, &eeprom_info);
if (error != 0) {
warn("MLX5_EEPROM_GET");
return (error);
}
eeprom_info.eeprom_info_buf =
malloc(eeprom_info.eeprom_info_out_len + MLX5_EEPROM_PAGE_LENGTH);
if (eeprom_info.eeprom_info_buf == NULL) {
warn("alloc eeprom_info.eeprom_info_buf ");
return (ENOMEM);
}
error = ioctl(ctldev, MLX5_EEPROM_GET, &eeprom_info);
if (error != 0) {
warn("MLX5_EEPROM_GET");
free(eeprom_info.eeprom_info_buf);
return (error);
}
mlx5tool_eeprom_print(&eeprom_info);
free(eeprom_info.eeprom_info_buf);
return (0);
}
static void
usage(void)
{
@ -209,6 +288,7 @@ usage(void)
" -e | -f fw.mfa2 | -z]\n");
fprintf(stderr, "\t-w - write firmware dump to the specified file\n");
fprintf(stderr, "\t-r - reset dump\n");
fprintf(stderr, "\t-E - get eeprom info\n");
fprintf(stderr, "\t-e - force dump\n");
fprintf(stderr, "\t-f fw.img - flash firmware from fw.img\n");
fprintf(stderr, "\t-z - initiate firmware reset\n");
@ -221,6 +301,7 @@ enum mlx5_action {
ACTION_DUMP_FORCE,
ACTION_FW_UPDATE,
ACTION_FW_RESET,
ACTION_GET_EEPROM_INFO,
ACTION_NONE,
};
@ -238,7 +319,7 @@ main(int argc, char *argv[])
addrstr = NULL;
dumpname = NULL;
img_fw_path = NULL;
while ((c = getopt(argc, argv, "d:ef:ho:rwz")) != -1) {
while ((c = getopt(argc, argv, "d:Eef:ho:rwz")) != -1) {
switch (c) {
case 'd':
addrstr = optarg;
@ -248,6 +329,11 @@ main(int argc, char *argv[])
usage();
act = ACTION_DUMP_GET;
break;
case 'E':
if (act != ACTION_NONE)
usage();
act = ACTION_GET_EEPROM_INFO;
break;
case 'e':
if (act != ACTION_NONE)
usage();
@ -303,6 +389,9 @@ main(int argc, char *argv[])
case ACTION_FW_RESET:
res = mlx5tool_fw_reset(ctldev, &addr);
break;
case ACTION_GET_EEPROM_INFO:
res = mlx5tool_get_eeprom_info(ctldev, &addr);
break;
default:
res = 0;
break;