Change in flashrom[master]: pci2: add device list printing support

[Luc Verhaegen (Code Review)]

Luc Verhaegen has uploaded this change for review. ( https://review.coreboot.org/29083

Change subject: pci2: add device list printing support
......................................................................

pci2: add device list printing support

Change-Id: I3eea9edfcdf2ae1c35f4c935dca97fa93eaded58
Signed-off-by: Luc Verhaegen 
---
M flashrom.c
M print.c
M programmer.h
3 files changed, 76 insertions(+), 7 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/83/29083/1

diff --git a/flashrom.c b/flashrom.c
index 59a7531..3b3e9bb 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -2098,6 +2098,7 @@
    	switch (p.type) {
    	case USB:
    	case PCI:
+		case PCI2:
    	case OTHER:
    		if (p.devs.note == NULL) {
    			if (strcmp("internal", p.name) == 0)
diff --git a/print.c b/print.c
index 30f06c8..4636e1c 100644
--- a/print.c
+++ b/print.c
@@ -19,6 +19,11 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+
+#if NEED_PCI == 1
+#include <pci/pci.h>
+#endif
+
 #include "flash.h"
 #include "programmer.h"

@@ -462,6 +467,62 @@
    }
 }

+#if NEED_PCI == 1
+/*
+ * We depend on libpcis built in list of names here. This makes formatting
+ * tricky/ugly.
+ * libpcis device only name lookup is currently not reliable, so look up the
+ * whole tuple.
+ */
+void print_supported_flashrom_pci_devices(const struct programmer_entry prog)
+{
+#define PAD_LENGTH 64
+	const struct flashrom_pci_match *matches = prog.devs.pci_match;
+	char buffer[256], *name;
+	unsigned int i, j, len;
+
+	/* try to use already initialized pci_access structure */
+	if (!pacc) {
+		pacc = pci_alloc();
+		if (!pacc) {
+			msg_gerr("%s: Failed to allocate pci_access "
+				 "structure.\n", __func__);
+			return;
+		}
+		pci_init(pacc);
+
+		pci_load_name_list(pacc);
+	} else
+		msg_ginfo("Already initialized\n");
+
+	msg_ginfo("\nSupported PCI devices for the %s programmer:\n",
+		  prog.name);
+
+	len = msg_ginfo("Vendor - Device");
+	if (len < PAD_LENGTH)
+		for (j = 0;  j < (PAD_LENGTH - len); j++)
+			msg_ginfo(" ");
+	msg_ginfo("\tPCI IDS    Status\n");
+
+	for (i = 0; matches[i].vendor_id; i++) {
+		name = pci_lookup_name(pacc, buffer, sizeof(buffer),
+				       PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
+				       matches[i].vendor_id,
+				       matches[i].device_id);
+		len = msg_pinfo("%s", name);
+		if (len < PAD_LENGTH)
+			for (j = 0;  j < (PAD_LENGTH - len); j++)
+				msg_pinfo(" ");
+		msg_pinfo("\t%04x:%04x  %s\n",
+			  matches[i].vendor_id, matches[i].device_id,
+			  test_state_to_text(matches[i].status));
+	}
+
+	/* Don't bother cleaning up pacc, we either reuse it, or exit() */
+}
+#endif /* NEED_PCI */
+
+
 int print_supported(void)
 {
    unsigned int i;
@@ -489,6 +550,11 @@
    	case PCI:
    		print_supported_devs(prog, "PCI");
    		break;
+#if NEED_PCI == 1
+		case PCI2:
+			print_supported_flashrom_pci_devices(prog);
+			break;
+#endif /* NEED_PCI */
    	case OTHER:
    		if (prog.devs.note != NULL) {
    			msg_ginfo("\nSupported devices for the %s programmer:\n", prog.name);
diff --git a/programmer.h b/programmer.h
index 5f02c6e..a5a1360 100644
--- a/programmer.h
+++ b/programmer.h
@@ -123,6 +123,7 @@

enum programmer_type {
    PCI = 1, /* to detect uninitialized values */
+	PCI2, /* different pci infrastructure */
    USB,
    OTHER,
 };
@@ -135,12 +136,20 @@
    const char *device_name;
 };

+struct flashrom_pci_match {
+	uint16_t vendor_id;
+	uint16_t device_id;
+	const enum test_state status;
+	const void *private; /* programmer specific */
+};
+
 struct programmer_entry {
    const char *name;
    const enum programmer_type type;
    union {
    	const struct dev_entry *const dev;
    	const char *const note;
+		const struct flashrom_pci_match *pci_match;
    } devs;

int (*init) (void);
@@ -850,13 +859,6 @@
    	struct libusb_context *usb_ctx, uint16_t vid, uint16_t pid, unsigned int num);

#if NEED_PCI == 1
-struct flashrom_pci_match {
-	uint16_t vendor_id;
-	uint16_t device_id;
-	const enum test_state status;
-	const void *private; /* programmer specific */
-};
-
 struct flashrom_pci_device {
    char *name; /* created from pci info */