MFC 260926:

Add support for displaying VPD for PCI devices via pciconf.
- Store the length of each read-only VPD value since not all values are
  guaranteed to be ASCII values (though most are).
- Add a new pciio ioctl to fetch VPD for a single PCI device.  The values
  are returned as a list of variable length records, one for the device
  name and each keyword.
- Add a new -V flag to pciconf's list mode which displays VPD data for
  each device.

1 files changed, 12 insertions, 1 deletions

diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 4d8837f..84aab9d 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -985,7 +985,7 @@ pci_read_vpd(device_t pcib, pcicfgregs *cfg)
 				state = -2;
 				break;
 			}
-			dflen = byte2;
+			cfg->vpd.vpd_ros[off].len = dflen = byte2;
 			if (dflen == 0 &&
 			    strncmp(cfg->vpd.vpd_ros[off].keyword, "RV",
 			    2) == 0) {
@@ -1179,6 +1179,17 @@ pci_get_vpd_readonly_method(device_t dev, device_t child, const char *kw,
 	return (ENXIO);
 }
 
+struct pcicfg_vpd *
+pci_fetch_vpd_list(device_t dev)
+{
+	struct pci_devinfo *dinfo = device_get_ivars(dev);
+	pcicfgregs *cfg = &dinfo->cfg;
+
+	if (!cfg->vpd.vpd_cached && cfg->vpd.vpd_reg != 0)
+		pci_read_vpd(device_get_parent(device_get_parent(dev)), cfg);
+	return (&cfg->vpd);
+}
+
 /*
  * Find the requested HyperTransport capability and return the offset
  * in configuration space via the pointer provided.  The function