[kvm-unit-tests PATCH 10/11] arm/pci: PCI devices basic info printing

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Cc: Andrew Jones <drjones@xxxxxxxxxx>
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
 lib/pci-host-generic.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/lib/pci-host-generic.c b/lib/pci-host-generic.c
index 2d218a4..50cf09a 100644
--- a/lib/pci-host-generic.c
+++ b/lib/pci-host-generic.c
@@ -352,6 +352,35 @@ static phys_addr_t pci_alloc_res(struct pci_host_bridge *host,
 	return addr;
 }
 
+static void pci_dev_print(void *conf)
+{
+	u16 vendor_id = pci_config_readw(conf, PCI_VENDOR_ID);
+	u16 device_id = pci_config_readw(conf, PCI_DEVICE_ID);
+	u8 header = pci_config_readb(conf, PCI_HEADER_TYPE);
+	u8 progif = pci_config_readb(conf, PCI_CLASS_PROG);
+	u8 subcl = pci_config_readb(conf, PCI_CLASS_DEVICE);
+	u8 class = pci_config_readb(conf, PCI_CLASS_DEVICE + 1);
+
+	printf("conf %p vendor_id %04x device_id %04x type %d "
+	       "progif %02x class %02x subcl %02x\n",
+	       conf, vendor_id, device_id, header,
+	       progif, class, subcl);
+}
+
+static void pci_dev_bar_print(int bar, pci_res_type_t type,
+			      phys_addr_t addr, u64 size, bool is64)
+{
+	const char *desc = addr_space_desc[type];
+
+	if (is64) {
+		printf("\tBAR#%d,%d [%-7s %02x-%02x]\n",
+			bar, bar + 1, desc, addr, addr + size - 1);
+	} else {
+		printf("\tBAR#%d    [%-7s %02x-%02x]\n",
+			bar, desc, addr, addr + size - 1);
+	}
+}
+
 int pci_bus_scan(struct pci *pci)
 {
 	void *conf;
@@ -365,6 +394,8 @@ int pci_bus_scan(struct pci *pci)
 	int nr_dev = 0;
 
 	for_each_pci_dev(pci, dev, conf) {
+		pci_dev_print(conf);
+
 		/* We are only interested in normal PCI devices */
 		if (pci_config_readb(conf, PCI_HEADER_TYPE) !=
 					   PCI_HEADER_TYPE_NORMAL)
@@ -375,6 +406,9 @@ int pci_bus_scan(struct pci *pci)
 				break;
 			addr = pci_alloc_res(pci->sysdata, type, size);
 			pci_set_bar(conf, bar, addr, is64);
+
+			pci_dev_bar_print(bar, type, addr, size, is64);
+
 			if (is64)
 				bar++;
 
-- 
1.8.3.1

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