From 41f7459c2371473d388062bbec52dd235aeab9ba Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Tue, 7 Feb 2006 02:15:53 +0000
Subject: [PATCH] Added a get_pci_info() to pci_device_module_info. It was a
 bit too complicated to get a pci_info for a given pci_device before. The
 function is not very efficiently implemented, but I didn't see how to do that
 without more intrusive changes.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16267 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/os/drivers/bus/PCI.h                  |  3 +++
 src/add-ons/kernel/bus_managers/pci/pci.h     |  2 ++
 .../kernel/bus_managers/pci/pci_device.c      | 23 +++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/headers/os/drivers/bus/PCI.h b/headers/os/drivers/bus/PCI.h
index fcc5b478cc..a036939316 100644
--- a/headers/os/drivers/bus/PCI.h
+++ b/headers/os/drivers/bus/PCI.h
@@ -110,6 +110,9 @@ typedef struct pci_device_module_info {
 	
 	status_t (*allocate_ioports)( uint16 ioport_base, size_t len, const char *name );
 	status_t (*release_ioports)( uint16 ioport_base, size_t len );*/
+
+	status_t (*get_pci_info)(pci_device device, struct pci_info *info);
+
 } pci_device_module_info;
 
 
diff --git a/src/add-ons/kernel/bus_managers/pci/pci.h b/src/add-ons/kernel/bus_managers/pci/pci.h
index 55591e1e43..b099682031 100644
--- a/src/add-ons/kernel/bus_managers/pci/pci.h
+++ b/src/add-ons/kernel/bus_managers/pci/pci.h
@@ -8,6 +8,8 @@
 #ifndef __PCI_H__
 #define __PCI_H__
 
+#include <PCI.h>
+
 #include "pci_controller.h"
 
 
diff --git a/src/add-ons/kernel/bus_managers/pci/pci_device.c b/src/add-ons/kernel/bus_managers/pci/pci_device.c
index a9e194ab0f..9432f9b20e 100644
--- a/src/add-ons/kernel/bus_managers/pci/pci_device.c
+++ b/src/add-ons/kernel/bus_managers/pci/pci_device.c
@@ -17,6 +17,7 @@
 #include <string.h>
 #include <stdio.h>
 
+#include "pci.h"
 #include "pci_priv.h"
 
 
@@ -96,6 +97,26 @@ pci_device_ram_address(pci_device_info *device,
 }	
 
 
+static status_t
+pci_device_get_pci_info(pci_device device, struct pci_info *info)
+{
+	int i;
+
+	if (device == NULL || info == NULL)
+		return B_BAD_VALUE;
+
+	// TODO: Implement more efficiently!	
+	for (i = 0; pci_get_nth_pci_info(i, info) == B_OK; i++) {
+		if (device->bus == info->bus && device->device == info->device
+				&& device->function == info->function) {
+			return B_OK;
+		}
+	}
+
+	return B_ENTRY_NOT_FOUND;
+}
+
+
 static status_t
 pci_device_init_driver(device_node_handle node, void *user_cookie, void **cookie)
 {
@@ -203,4 +224,6 @@ pci_device_module_info gPCIDeviceModule = {
 	pci_device_write_pci_config,
 
 	pci_device_ram_address,
+
+	pci_device_get_pci_info,
 };