Author: jhb
Date: Wed Sep 8 17:53:34 2010
New Revision: 212326
URL: http://svn.freebsd.org/changeset/base/212326
Log:
- Add register definitions related to extended capability IDs in
PCI-express. I used PCIZ_* for ID constants (plain capability IDs use
PCIY_*).
- Add register definitions for the Advanced Error Reporting, Virtual
Channels, and Device Serial Number extended capabilities.
- Teach pciconf -c to list extended as well as plain capabilities. Adds
more detailed parsing for AER, VC, and device serial numbers.
MFC after: 2 weeks
Modified:
head/sys/dev/pci/pcireg.h
head/usr.sbin/pciconf/cap.c
Modified: head/sys/dev/pci/pcireg.h
==============================================================================
--- head/sys/dev/pci/pcireg.h Wed Sep 8 17:35:06 2010 (r212325)
+++ head/sys/dev/pci/pcireg.h Wed Sep 8 17:53:34 2010 (r212326)
@@ -36,6 +36,7 @@
* PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
* PCID_xxx: device ID
* PCIY_xxx: capability identification number
+ * PCIZ_xxx: extended capability identification number
*/
/* some PCI bus constants */
@@ -117,6 +118,28 @@
#define PCIY_SATA 0x12 /* SATA */
#define PCIY_PCIAF 0x13 /* PCI Advanced Features */
+/* Extended Capability Register Fields */
+
+#define PCIR_EXTCAP 0x100
+#define PCIM_EXTCAP_ID 0x0000ffff
+#define PCIM_EXTCAP_VER 0x000f0000
+#define PCIM_EXTCAP_NEXTPTR 0xfff00000
+#define PCI_EXTCAP_ID(ecap) ((ecap) & PCIM_EXTCAP_ID)
+#define PCI_EXTCAP_VER(ecap) (((ecap) & PCIM_EXTCAP_VER) >> 16)
+#define PCI_EXTCAP_NEXTPTR(ecap) (((ecap) & PCIM_EXTCAP_NEXTPTR) >> 20)
+
+/* Extended Capability Identification Numbers */
+
+#define PCIZ_AER 0x0001 /* Advanced Error Reporting */
+#define PCIZ_VC 0x0002 /* Virtual Channel */
+#define PCIZ_SERNUM 0x0003 /* Device Serial Number */
+#define PCIZ_PWRBDGT 0x0004 /* Power Budgeting */
+#define PCIZ_VENDOR 0x000b /* Vendor Unique */
+#define PCIZ_ACS 0x000d /* Access Control Services */
+#define PCIZ_ARI 0x000e /* Alternative Routing-ID
Interpretation */
+#define PCIZ_ATS 0x000f /* Address Translation Services */
+#define PCIZ_SRIOV 0x0010 /* Single Root IO Virtualization */
+
/* config registers for header type 0 devices */
#define PCIR_BARS 0x10
@@ -663,3 +686,64 @@
#define PCIR_PCIAFCTRL_FLR 0x01
#define PCIR_PCIAF_STATUS 0x5
#define PCIR_PCIAFSTATUS_TP 0x01
+
+/* Advanced Error Reporting */
+#define PCIR_AER_UC_STATUS 0x04
+#define PCIR_AER_UC_TRAINING_ERROR 0x00000001
+#define PCIR_AER_UC_DL_PROTOCOL_ERROR 0x00000010
+#define PCIR_AER_UC_POISONED_TLP 0x00001000
+#define PCIR_AER_UC_FC_PROTOCOL_ERROR 0x00002000
+#define PCIR_AER_UC_COMPLETION_TIMEOUT 0x00004000
+#define PCIR_AER_UC_COMPLETER_ABORT 0x00008000
+#define PCIR_AER_UC_UNEXPECTED_COMPLETION 0x00010000
+#define PCIR_AER_UC_RECEIVER_OVERFLOW 0x00020000
+#define PCIR_AER_UC_MALFORMED_TLP 0x00040000
+#define PCIR_AER_UC_ECRC_ERROR 0x00080000
+#define PCIR_AER_UC_UNSUPPORTED_REQUEST 0x00100000
+#define PCIR_AER_UC_ACS_VIOLATION 0x00200000
+#define PCIR_AER_UC_MASK 0x08 /* Shares bits with UC_STATUS */
+#define PCIR_AER_UC_SEVERITY 0x0c /* Shares bits with UC_STATUS */
+#define PCIR_AER_COR_STATUS 0x10
+#define PCIM_AER_COR_RECEIVER_ERROR 0x00000001
+#define PCIM_AER_COR_BAD_TLP 0x00000040
+#define PCIM_AER_COR_BAD_DLLP 0x00000080
+#define PCIM_AER_COR_REPLAY_ROLLOVER 0x00000100
+#define PCIM_AER_COR_REPLAY_TIMEOUT 0x00001000
+#define PCIR_AER_COR_MASK 0x14 /* Shares bits with COR_STATUS
*/
+#define PCIR_AER_CAP_CONTROL 0x18
+#define PCIM_AER_FIRST_ERROR_PTR 0x0000001f
+#define PCIM_AER_ECRC_GEN_CAPABLE 0x00000020
+#define PCIM_AER_ECRC_GEN_ENABLE 0x00000040
+#define PCIM_AER_ECRC_CHECK_CAPABLE 0x00000080
+#define PCIM_AER_ECRC_CHECK_ENABLE 0x00000100
+#define PCIR_AER_HEADER_LOG 0x1c
+#define PCIR_AER_ROOTERR_CMD 0x2c /* Only for root complex ports
*/
+#define PCIR_AER_ROOTERR_COR_ENABLE 0x00000001
+#define PCIR_AER_ROOTERR_NF_ENABLE 0x00000002
+#define PCIR_AER_ROOTERR_F_ENABLE 0x00000004
+#define PCIR_AER_ROOTERR_STATUS 0x30 /* Only for root complex ports
*/
+#define PCIR_AER_ROOTERR_COR_ERR 0x00000001
+#define PCIR_AER_ROOTERR_MULTI_COR_ERR 0x00000002
+#define PCIR_AER_ROOTERR_UC_ERR 0x00000004
+#define PCIR_AER_ROOTERR_MULTI_UC_ERR 0x00000008
+#define PCIR_AER_ROOTERR_FIRST_UC_FATAL 0x00000010
+#define PCIR_AER_ROOTERR_NF_ERR 0x00000020
+#define PCIR_AER_ROOTERR_F_ERR 0x00000040
+#define PCIR_AER_ROOTERR_INT_MESSAGE 0xf8000000
+#define PCIR_AER_COR_SOURCE_ID 0x34 /* Only for root complex ports
*/
+#define PCIR_AER_ERR_SOURCE_ID 0x36 /* Only for root complex ports
*/
+
+/* Virtual Channel definitions */
+#define PCIR_VC_CAP1 0x04
+#define PCIM_VC_CAP1_EXT_COUNT 0x00000007
+#define PCIM_VC_CAP1_LOWPRI_EXT_COUNT 0x00000070
+#define PCIR_VC_CAP2 0x08
+#define PCIR_VC_CONTROL 0x0C
+#define PCIR_VC_STATUS 0x0E
+#define PCIR_VC_RESOURCE_CAP(n) (0x10 + (n) * 0x0C)
+#define PCIR_VC_RESOURCE_CTL(n) (0x14 + (n) * 0x0C)
+#define PCIR_VC_RESOURCE_STA(n) (0x18 + (n) * 0x0C)
+
+/* Serial Number definitions */
+#define PCIR_SERIAL_LOW 0x04
+#define PCIR_SERIAL_HIGH 0x08
Modified: head/usr.sbin/pciconf/cap.c
==============================================================================
--- head/usr.sbin/pciconf/cap.c Wed Sep 8 17:35:06 2010 (r212325)
+++ head/usr.sbin/pciconf/cap.c Wed Sep 8 17:53:34 2010 (r212326)
@@ -45,6 +45,8 @@ static const char rcsid[] =
#include "pciconf.h"
+static void list_ecaps(int fd, struct pci_conf *p);
+
static void
cap_power(int fd, struct pci_conf *p, uint8_t ptr)
{
@@ -530,4 +532,97 @@ list_caps(int fd, struct pci_conf *p)
printf("\n");
ptr = read_config(fd, &p->pc_sel, ptr + PCICAP_NEXTPTR, 1);
}
+
+ list_ecaps(fd, p);
+}
+
+/* From <sys/systm.h>. */
+static __inline uint32_t
+bitcount32(uint32_t x)
+{
+
+ x = (x & 0x55555555) + ((x & 0xaaaaaaaa) >> 1);
+ x = (x & 0x33333333) + ((x & 0xcccccccc) >> 2);
+ x = (x + (x >> 4)) & 0x0f0f0f0f;
+ x = (x + (x >> 8));
+ x = (x + (x >> 16)) & 0x000000ff;
+ return (x);
+}
+
+static void
+ecap_aer(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
+{
+ uint32_t sta, mask;
+
+ printf("AER %d", ver);
+ if (ver != 1)
+ return;
+ sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_STATUS, 4);
+ mask = read_config(fd, &p->pc_sel, ptr + PCIR_AER_UC_SEVERITY, 4);
+ printf(" %d fatal", bitcount32(sta & mask));
+ printf(" %d non-fatal", bitcount32(sta & ~mask));
+ sta = read_config(fd, &p->pc_sel, ptr + PCIR_AER_COR_STATUS, 4);
+ printf(" %d corrected", bitcount32(sta));
+}
+
+static void
+ecap_vc(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
+{
+ uint32_t cap1;
+
+ printf("VC %d", ver);
+ if (ver != 1)
+ return;
+ cap1 = read_config(fd, &p->pc_sel, ptr + PCIR_VC_CAP1, 4);
+ printf(" max VC%d", cap1 & PCIM_VC_CAP1_EXT_COUNT);
+ if ((cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) != 0)
+ printf(" lowpri VC0-VC%d",
+ (cap1 & PCIM_VC_CAP1_LOWPRI_EXT_COUNT) >> 4);
+}
+
+static void
+ecap_sernum(int fd, struct pci_conf *p, uint16_t ptr, uint8_t ver)
+{
+ uint32_t high, low;
+
+ printf("Serial %d", ver);
+ if (ver != 1)
+ return;
+ low = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_LOW, 4);
+ high = read_config(fd, &p->pc_sel, ptr + PCIR_SERIAL_HIGH, 4);
+ printf(" %08x%08x", high, low);
+}
+
+static void
+list_ecaps(int fd, struct pci_conf *p)
+{
+ uint32_t ecap;
+ uint16_t ptr;
+
+ ptr = PCIR_EXTCAP;
+ ecap = read_config(fd, &p->pc_sel, ptr, 4);
+ if (ecap == 0xffffffff || ecap == 0)
+ return;
+ for (;;) {
+ printf("ecap %04x[%03x] = ", PCI_EXTCAP_ID(ecap), ptr);
+ switch (PCI_EXTCAP_ID(ecap)) {
+ case PCIZ_AER:
+ ecap_aer(fd, p, ptr, PCI_EXTCAP_VER(ecap));
+ break;
+ case PCIZ_VC:
+ ecap_vc(fd, p, ptr, PCI_EXTCAP_VER(ecap));
+ break;
+ case PCIZ_SERNUM:
+ ecap_sernum(fd, p, ptr, PCI_EXTCAP_VER(ecap));
+ break;
+ default:
+ printf("unknown %d", PCI_EXTCAP_VER(ecap));
+ break;
+ }
+ printf("\n");
+ ptr = PCI_EXTCAP_NEXTPTR(ecap);
+ if (ptr == 0)
+ break;
+ ecap = read_config(fd, &p->pc_sel, ptr, 4);
+ }
}
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