The capability is defined by http://www.pcisig.com/specifications/conventional/pci_30/ECN_Conventional_Adv_Caps_27Jul06.pdf Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx> --- lib/header.h | 9 +++++++++ ls-caps.c | 22 ++++++++++++++++++++-- 2 files changed, 29 insertions(+), 2 deletions(-) diff --git a/lib/header.h b/lib/header.h index ec34f44..8911c17 100644 --- a/lib/header.h +++ b/lib/header.h @@ -871,6 +871,15 @@ #define PCI_SSVID_VENDOR 4 #define PCI_SSVID_DEVICE 6 +/* PCI Advanced Features */ +#define PCI_AF_CAP 3 +#define PCI_AF_CAP_TP 0x01 +#define PCI_AF_CAP_FLR 0x02 +#define PCI_AF_CTRL 4 +#define PCI_AF_CTRL_FLR 0x01 +#define PCI_AF_STATUS 5 +#define PCI_AF_STATUS_TP 0x01 + /* Advanced Error Reporting */ #define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */ #define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */ diff --git a/ls-caps.c b/ls-caps.c index 3e01f2c..fb20ac0 100644 --- a/ls-caps.c +++ b/ls-caps.c @@ -1146,6 +1146,24 @@ cap_debug_port(int cap) printf("Debug port: BAR=%d offset=%04x\n", bar, pos); } +static void +cap_af(struct device *d, int where) +{ + u8 reg; + + printf("PCI Advanced Features\n"); + if (verbose < 2 || !config_fetch(d, where + PCI_AF_CAP, 3)) + return; + + reg = get_conf_byte(d, where + PCI_AF_CAP); + printf("\t\tAFCap: TP%c FLR%c\n", FLAG(reg, PCI_AF_CAP_TP), + FLAG(reg, PCI_AF_CAP_FLR)); + reg = get_conf_byte(d, where + PCI_AF_CTRL); + printf("\t\tAFCtrl: FLR%c\n", FLAG(reg, PCI_AF_CTRL_FLR)); + reg = get_conf_byte(d, where + PCI_AF_STATUS); + printf("\t\tAFStatus: TP%c\n", FLAG(reg, PCI_AF_STATUS_TP)); +} + void show_caps(struct device *d) { @@ -1207,7 +1225,7 @@ show_caps(struct device *d) cap_ht(d, where, cap); break; case PCI_CAP_ID_VNDR: - printf("Vendor Specific Information <?>\n"); + printf("Vendor Specific Information\n"); break; case PCI_CAP_ID_DBG: cap_debug_port(cap); @@ -1238,7 +1256,7 @@ show_caps(struct device *d) printf("SATA HBA <?>\n"); break; case PCI_CAP_ID_AF: - printf("PCIe advanced features <?>\n"); + cap_af(d, where); break; default: printf("#%02x [%04x]\n", id, cap); -- 1.6.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
