diff options
Diffstat (limited to 'ls-caps.c')
| -rw-r--r-- | ls-caps.c | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -10,6 +10,7 @@ #include <stdio.h> #include <string.h> +#include <stdlib.h> #include "lspci.h" @@ -1390,6 +1391,68 @@ static void cap_express_slot2(struct device *d UNUSED, int where UNUSED) /* No capabilities that require this field in PCIe rev2.0 spec. */ } +static void cap_express_link_rcd(struct device *d) +{ + u32 t, aspm, cap_speed, cap_width, sta_speed, sta_width; + u16 w; + struct pci_dev *pdev = d->dev; + + if (!pdev->rcd_link_cap) + return; + + t = pdev->rcd_link_cap; + aspm = (t & PCI_EXP_LNKCAP_ASPM) >> 10; + cap_speed = t & PCI_EXP_LNKCAP_SPEED; + cap_width = (t & PCI_EXP_LNKCAP_WIDTH) >> 4; + printf("\t\tLnkCap:\tPort #%d, Speed %s, Width x%d, ASPM %s", + t >> 24, + link_speed(cap_speed), cap_width, + aspm_support(aspm)); + if (aspm) + { + printf(", Exit Latency "); + if (aspm & 1) + printf("L0s %s", latency_l0s((t & PCI_EXP_LNKCAP_L0S) >> 12)); + if (aspm & 2) + printf("%sL1 %s", (aspm & 1) ? ", " : "", + latency_l1((t & PCI_EXP_LNKCAP_L1) >> 15)); + } + printf("\n"); + printf("\t\t\tClockPM%c Surprise%c LLActRep%c BwNot%c ASPMOptComp%c\n", + FLAG(t, PCI_EXP_LNKCAP_CLOCKPM), + FLAG(t, PCI_EXP_LNKCAP_SURPRISE), + FLAG(t, PCI_EXP_LNKCAP_DLLA), + FLAG(t, PCI_EXP_LNKCAP_LBNC), + FLAG(t, PCI_EXP_LNKCAP_AOC)); + + w = pdev->rcd_link_ctrl; + printf("\t\tLnkCtl:\tASPM %s;", aspm_enabled(w & PCI_EXP_LNKCTL_ASPM)); + printf(" Disabled%c CommClk%c\n\t\t\tExtSynch%c ClockPM%c AutWidDis%c BWInt%c AutBWInt%c\n", + FLAG(w, PCI_EXP_LNKCTL_DISABLE), + FLAG(w, PCI_EXP_LNKCTL_CLOCK), + FLAG(w, PCI_EXP_LNKCTL_XSYNCH), + FLAG(w, PCI_EXP_LNKCTL_CLOCKPM), + FLAG(w, PCI_EXP_LNKCTL_HWAUTWD), + FLAG(w, PCI_EXP_LNKCTL_BWMIE), + FLAG(w, PCI_EXP_LNKCTL_AUTBWIE)); + + w = pdev->rcd_link_status; + sta_speed = w & PCI_EXP_LNKSTA_SPEED; + sta_width = (w & PCI_EXP_LNKSTA_WIDTH) >> 4; + printf("\t\tLnkSta:\tSpeed %s%s, Width x%d%s\n", + link_speed(sta_speed), + link_compare(PCI_EXP_TYPE_ROOT_INT_EP, sta_speed, cap_speed), + sta_width, + link_compare(PCI_EXP_TYPE_ROOT_INT_EP, sta_width, cap_width)); + printf("\t\t\tTrErr%c Train%c SlotClk%c DLActive%c BWMgmt%c ABWMgmt%c\n", + FLAG(w, PCI_EXP_LNKSTA_TR_ERR), + FLAG(w, PCI_EXP_LNKSTA_TRAIN), + FLAG(w, PCI_EXP_LNKSTA_SL_CLK), + FLAG(w, PCI_EXP_LNKSTA_DL_ACT), + FLAG(w, PCI_EXP_LNKSTA_BWMGMT), + FLAG(w, PCI_EXP_LNKSTA_AUTBW)); +} + static int cap_express(struct device *d, int where, int cap) { @@ -1454,6 +1517,9 @@ cap_express(struct device *d, int where, int cap) cap_express_dev(d, where, type); if (link) cap_express_link(d, where, type); + else if (d->dev->rcd_link_cap) + cap_express_link_rcd(d); + if (slot) cap_express_slot(d, where); if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_ROOT_EC) |