diff options
| author | gjb <gjb@FreeBSD.org> | 2016-04-04 23:55:32 +0000 |
|---|---|---|
| committer | gjb <gjb@FreeBSD.org> | 2016-04-04 23:55:32 +0000 |
| commit | 1dc4c40e3b35564cb2e787ad968e6b4a9fb7eb0f (patch) | |
| tree | a027fe5a27446f32854d6a07b34b5f2a992bf283 /usr.sbin/pciconf/cap.c | |
| parent | 3669a0dced7e344be71d234ffc3a71530ef0ae08 (diff) | |
| parent | 589cedfe0cde2b49d5f47fc240de37c8bf307abd (diff) | |
| download | FreeBSD-src-1dc4c40e3b35564cb2e787ad968e6b4a9fb7eb0f.zip FreeBSD-src-1dc4c40e3b35564cb2e787ad968e6b4a9fb7eb0f.tar.gz | |
MFH
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'usr.sbin/pciconf/cap.c')
| -rw-r--r-- | usr.sbin/pciconf/cap.c | 72 |
1 files changed, 59 insertions, 13 deletions
diff --git a/usr.sbin/pciconf/cap.c b/usr.sbin/pciconf/cap.c index 980e2c7..cd5ae26 100644 --- a/usr.sbin/pciconf/cap.c +++ b/usr.sbin/pciconf/cap.c @@ -410,14 +410,38 @@ aspm_string(uint8_t aspm) } } +static int +slot_power(uint32_t cap) +{ + int mwatts; + + mwatts = (cap & PCIEM_SLOT_CAP_SPLV) >> 7; + switch (cap & PCIEM_SLOT_CAP_SPLS) { + case 0x0: + mwatts *= 1000; + break; + case 0x1: + mwatts *= 100; + break; + case 0x2: + mwatts *= 10; + break; + default: + break; + } + return (mwatts); +} + static void cap_express(int fd, struct pci_conf *p, uint8_t ptr) { - uint32_t cap, cap2; + uint32_t cap; uint16_t ctl, flags, sta; + unsigned int version; flags = read_config(fd, &p->pc_sel, ptr + PCIER_FLAGS, 2); - printf("PCI-Express %d ", flags & PCIEM_FLAGS_VERSION); + version = flags & PCIEM_FLAGS_VERSION; + printf("PCI-Express %u ", version); switch (flags & PCIEM_FLAGS_TYPE) { case PCIEM_TYPE_ENDPOINT: printf("endpoint"); @@ -450,12 +474,9 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr) printf("type %d", (flags & PCIEM_FLAGS_TYPE) >> 4); break; } - if (flags & PCIEM_FLAGS_SLOT) - printf(" slot"); if (flags & PCIEM_FLAGS_IRQ) - printf(" IRQ %d", (flags & PCIEM_FLAGS_IRQ) >> 9); + printf(" MSI %d", (flags & PCIEM_FLAGS_IRQ) >> 9); cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP, 4); - cap2 = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4); ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL, 2); printf(" max data %d(%d)", MAX_PAYLOAD((ctl & PCIEM_CTL_MAX_PAYLOAD) >> 5), @@ -466,12 +487,22 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr) printf(" RO"); if (ctl & PCIEM_CTL_NOSNOOP_ENABLE) printf(" NS"); + if (version >= 2) { + cap = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CAP2, 4); + if ((cap & PCIEM_CAP2_ARI) != 0) { + ctl = read_config(fd, &p->pc_sel, + ptr + PCIER_DEVICE_CTL2, 4); + printf(" ARI %s", + (ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled"); + } + } 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) + return; + printf("\n "); printf(" link x%d(x%d)", (sta & PCIEM_LINK_STA_WIDTH) >> 4, (cap & PCIEM_LINK_CAP_MAX_WIDTH) >> 4); - if ((cap & (PCIEM_LINK_CAP_MAX_WIDTH | PCIEM_LINK_CAP_ASPM)) != 0) - printf("\n "); if ((cap & PCIEM_LINK_CAP_MAX_WIDTH) != 0) { printf(" speed %s(%s)", (sta & PCIEM_LINK_STA_WIDTH) == 0 ? "0.0" : link_speed_string(sta & PCIEM_LINK_STA_SPEED), @@ -482,11 +513,26 @@ cap_express(int fd, struct pci_conf *p, uint8_t ptr) printf(" ASPM %s(%s)", aspm_string(ctl & PCIEM_LINK_CTL_ASPMC), aspm_string((cap & PCIEM_LINK_CAP_ASPM) >> 10)); } - if ((cap2 & PCIEM_CAP2_ARI) != 0) { - ctl = read_config(fd, &p->pc_sel, ptr + PCIER_DEVICE_CTL2, 4); - printf(" ARI %s", - (ctl & PCIEM_CTL2_ARI) ? "enabled" : "disabled"); - } + if (!(flags & PCIEM_FLAGS_SLOT)) + return; + cap = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CAP, 4); + sta = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_STA, 2); + ctl = read_config(fd, &p->pc_sel, ptr + PCIER_SLOT_CTL, 2); + printf("\n "); + printf(" slot %d", (cap & PCIEM_SLOT_CAP_PSN) >> 19); + printf(" power limit %d mW", slot_power(cap)); + if (cap & PCIEM_SLOT_CAP_HPC) + printf(" HotPlug(%s)", sta & PCIEM_SLOT_STA_PDS ? "present" : + "empty"); + if (cap & PCIEM_SLOT_CAP_HPS) + printf(" surprise"); + if (cap & PCIEM_SLOT_CAP_APB) + printf(" Attn Button"); + if (cap & PCIEM_SLOT_CAP_PCP) + printf(" PC(%s)", ctl & PCIEM_SLOT_CTL_PCC ? "on" : "off"); + if (cap & PCIEM_SLOT_CAP_MRLSP) + printf(" MRL(%s)", sta & PCIEM_SLOT_STA_MRLSS ? "open" : + "closed"); } static void |
