Date: Wed, 30 Sep 2020 21:12:15 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r366300 - head/usr.sbin/pciconf Message-ID: <202009302112.08ULCF9Z006159@repo.freebsd.org>
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Author: kib Date: Wed Sep 30 21:12:14 2020 New Revision: 366300 URL: https://svnweb.freebsd.org/changeset/base/366300 Log: pciconf: print PCIe CTL max read request. To not complicate existing parsers, the value is printed on a new output line. Sponsored by: Mellanox Technologies/NVIDIA Networking MFC after: 1 week Modified: head/usr.sbin/pciconf/cap.c Modified: head/usr.sbin/pciconf/cap.c ============================================================================== --- head/usr.sbin/pciconf/cap.c Wed Sep 30 20:57:01 2020 (r366299) +++ head/usr.sbin/pciconf/cap.c Wed Sep 30 21:12:14 2020 (r366300) @@ -402,6 +402,28 @@ 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)
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