pci: add pci endpoint test driver

Signed-off-by: yezhonghui <yezhonghui@xiaomi.com>

drivers/pci/CMakeLists.txt

@@ -54,6 +54,10 @@ if(CONFIG_PCI_ENDPOINT)
     list(APPEND SRCS pci_epf_test.c)
   endif() # CONFIG_PCI_EPF_TEST
 
+  if(CONFIG_PCI_EP_TEST)
+    list(APPEND SRCS pci_ep_test.c)
+  endif() # CONFIG_PCI_ENDPOINT_TEST
+
   target_sources(drivers PRIVATE ${SRCS})
 
 endif() # CONFIG_PCI_ENDPOINT

drivers/pci/Kconfig

@@ -95,5 +95,10 @@ config PCI_EPF_TEST
 	---help---
 		pci epf test driver
 
+config PCI_EP_TEST
+	bool "PCI endpoint test"
+	---help---
+		pci endpoint test driver
+
 endif # PCI_ENDPOINT
 

drivers/pci/Make.defs

@@ -49,6 +49,10 @@ ifeq ($(CONFIG_PCI_EPF_TEST),y)
 CSRCS += pci_epf_test.c
 endif
 
+ifeq ($(CONFIG_PCI_EP_TEST),y)
+CSRCS += pci_ep_test.c
+endif
+
 # Include PCI device driver build support
 
 DEPPATH += --dep-path pci

drivers/pci/pci_drivers.c

@@ -132,6 +132,14 @@ int pci_register_drivers(void)
     }
 #endif
 
+#ifdef CONFIG_PCI_EP_TEST
+  ret = pci_register_ep_test_driver();
+  if (ret < 0)
+    {
+      pcierr("pci_register_ep_test_driver failed, ret=%d\n", ret);
+    }
+#endif
+
   /* Initialization e1000 driver */
 
 #ifdef CONFIG_NET_E1000

drivers/pci/pci_drivers.h

@@ -79,4 +79,16 @@ int pci_register_qemu_epc_driver(void);
 int pci_register_epf_test_driver(void);
 #endif
 
+/****************************************************************************
+ * Name: pci_register_ep_test_driver
+ *
+ * Description:
+ *   Register endpoint test device pci driver
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_PCI_EP_TEST
+int pci_register_ep_test_driver(void);
+#endif
+
 #endif /* __DRIVERS_PCI_PCI_DRIVERS_H */

include/nuttx/pci/pci.h

@@ -209,6 +209,9 @@
 
 #define pci_map_region(dev, start, size) pci_bus_map_region((dev)->bus, start, size)
 
+#define pci_is_bridge(dev) ((dev)->hdr_type == PCI_HEADER_TYPE_BRIDGE || \
+                            (dev)->hdr_type == PCI_HEADER_TYPE_CARDBUS)
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/

include/nuttx/pci/pci_ep_test.h

@@ -25,6 +25,8 @@
  * Included Files
  ****************************************************************************/
 
+#include <nuttx/fs/ioctl.h>
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/
@@ -42,4 +44,29 @@
 int pci_register_epf_test_device(FAR const char *epc_name);
 #endif
 
+#define PCITEST_BAR                 _PCIIOC(0x1)
+#define PCITEST_LEGACY_IRQ          _PCIIOC(0x2)
+#define PCITEST_MSI                 _PCIIOC(0x3)
+#define PCITEST_WRITE               _PCIIOC(0x4)
+#define PCITEST_READ                _PCIIOC(0x5)
+#define PCITEST_COPY                _PCIIOC(0x6)
+#define PCITEST_MSIX                _PCIIOC(0x7)
+#define PCITEST_SET_IRQTYPE         _PCIIOC(0x8)
+#define PCITEST_GET_IRQTYPE         _PCIIOC(0x9)
+#define PCITEST_CLEAR_IRQ           _PCIIOC(0x10)
+
+#define PCITEST_FLAGS_USE_DMA       0x00000001
+
+/* struct pci_ep_test_param_s - Params config by user
+ *
+ * size: xfer data length
+ * flag: xfer mode flag
+ */
+
+struct pci_ep_test_param_s
+{
+  unsigned int size;
+  unsigned int flags;
+};
+
 #endif /* __INCLUDE_NUTTX_PCI_EP_TEST_H */