From b34a0fe5c45425990783fe46488c5907a988c08a Mon Sep 17 00:00:00 2001 From: "Zhao, Yu" Date: Thu, 3 Jul 2008 17:39:32 +0800 Subject: [PATCH] Access Control Services capability support Signed-off-by: Yu Zhao lib/header.h | 20 ++++++++++++++++++++ lspci.c | 25 ++++++++++++++++++++++++- 2 files changed, 44 insertions(+), 1 deletion(-) --- lib/header.h | 20 ++++++++++++++++++++ lspci.c | 25 ++++++++++++++++++++++++- 2 files changed, 44 insertions(+), 1 deletion(-) diff --git a/lib/header.h b/lib/header.h index ef4b8fb..d2ad400 100644 --- a/lib/header.h +++ b/lib/header.h @@ -921,6 +921,26 @@ #define PCI_PWR_CAP 12 /* Capability */ #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ +/* Access Control Services */ +#define PCI_ACS_CAP 0x04 /* ACS Capability Register */ +#define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */ +#define PCI_ACS_CAP_BLOCK 0x0002 /* ACS Translation Blocking */ +#define PCI_ACS_CAP_REQ_RED 0x0004 /* ACS P2P Request Redirect */ +#define PCI_ACS_CAP_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect */ +#define PCI_ACS_CAP_FORWARD 0x0010 /* ACS Upstream Forwarding */ +#define PCI_ACS_CAP_EGRESS 0x0020 /* ACS P2P Egress Control */ +#define PCI_ACS_CAP_TRANS 0x0040 /* ACS Direct Translated P2P */ +#define PCI_ACS_CAP_VECTOR(x) (((x) >> 8) & 0xff) /* Egress Control Vector Size */ +#define PCI_ACS_CTRL 0x06 /* ACS Control Register */ +#define PCI_ACS_CTRL_VALID 0x0001 /* ACS Source Validation Enable */ +#define PCI_ACS_CTRL_BLOCK 0x0002 /* ACS Translation Blocking Enable */ +#define PCI_ACS_CTRL_REQ_RED 0x0004 /* ACS P2P Request Redirect Enable */ +#define PCI_ACS_CTRL_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect Enable */ +#define PCI_ACS_CTRL_FORWARD 0x0010 /* ACS Upstream Forwarding Enable */ +#define PCI_ACS_CTRL_EGRESS 0x0020 /* ACS P2P Egress Control Enable */ +#define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */ +#define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */ + /* * The PCI interface treats multi-function devices as independent * devices. The slot/function address of each device is encoded diff --git a/lspci.c b/lspci.c index 207ca60..ce6d54a 100644 --- a/lspci.c +++ b/lspci.c @@ -1535,6 +1535,29 @@ cap_aer(struct device *d, int where) } +static void +cap_acs(struct device *d, int where) +{ + u16 w; + + printf("Access Control Services\n"); + if (!config_fetch(d, where + PCI_ACS_CAP, 4)) + return; + + w = get_conf_word(d, where + PCI_ACS_CAP); + printf("\t\tACSCap:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c " + "DirectTrans%c\n", + FLAG(w, PCI_ACS_CAP_VALID), FLAG(w, PCI_ACS_CAP_BLOCK), FLAG(w, PCI_ACS_CAP_REQ_RED), + FLAG(w, PCI_ACS_CAP_CMPLT_RED), FLAG(w, PCI_ACS_CAP_FORWARD), FLAG(w, PCI_ACS_CAP_EGRESS), + FLAG(w, PCI_ACS_CAP_TRANS)); + w = get_conf_word(d, where + PCI_ACS_CTRL); + printf("\t\tACSCtl:\tSrcValid%c TransBlk%c ReqRedir%c CmpltRedir%c UpstreamFwd%c EgressCtrl%c " + "DirectTrans%c\n", + FLAG(w, PCI_ACS_CTRL_VALID), FLAG(w, PCI_ACS_CTRL_BLOCK), FLAG(w, PCI_ACS_CTRL_REQ_RED), + FLAG(w, PCI_ACS_CTRL_CMPLT_RED), FLAG(w, PCI_ACS_CTRL_FORWARD), FLAG(w, PCI_ACS_CTRL_EGRESS), + FLAG(w, PCI_ACS_CTRL_TRANS)); +} + static void show_ext_caps(struct device *d) { @@ -1591,7 +1614,7 @@ show_ext_caps(struct device *d) printf("Vendor Specific Information \n"); break; case PCI_EXT_CAP_ID_ACS: - printf("Access Controls \n"); + cap_acs(d, where); break; default: printf("#%02x\n", id); -- 2.39.2