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pciconf: print PCIe CTL max read request.

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To not complicate existing parsers, the value is printed on a new
output line.

Sponsored by:	Mellanox Technologies/NVIDIA Networking
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2020-09-30 21:12:14 +00:00
parent 8128c65b4c
commit 96128185f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=366300
1 changed files with 24 additions and 0 deletions
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24
usr.sbin/pciconf/cap.c
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@ -401,6 +401,28 @@ link_speed_string(uint8_t speed)
}
}
static const char *
max_read_string(u_int max_read)
{
switch (max_read) {
case 0x0:
return ("128");
case 0x1:
return ("256");
case 0x2:
return ("512");
case 0x3:
return ("1024");
case 0x4:
return ("2048");
case 0x5:
return ("4096");
default:
return ("undef");
}
}
static const char *
aspm_string(uint8_t aspm)
{
@ -503,6 +525,8 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr)
(ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled");
}
}
printf("\n max read %s", max_read_string((ctl &
PCIEM_CTL_MAX_READ_REQUEST) >> 12));
cap = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_CAP, 4);
sta = read_config(fd, &p->pc_sel, ptr + PCIER_LINK_STA, 2);
if (cap == 0 && sta == 0)