(nuttx) 02/16: pci.c: add pci_read/write_io_qword support

[ra...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

raiden00 pushed a commit to branch releases/12.7
in repository https://gitbox.apache.org/repos/asf/nuttx.git

commit 1e091fb2e09df662c95cf417d3347d674e46b10d
Author: wangyongrong <wa...@xiaomi.com>
AuthorDate: Thu May 9 16:55:45 2024 +0800

    pci.c: add pci_read/write_io_qword support
    
    Signed-off-by: wangyongrong <wa...@xiaomi.com>
---
 include/nuttx/pci/pci.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/include/nuttx/pci/pci.h b/include/nuttx/pci/pci.h
index 43c4ef1f04..80660c3bdf 100644
--- a/include/nuttx/pci/pci.h
+++ b/include/nuttx/pci/pci.h
@@ -161,6 +161,17 @@
 #define pci_read_io_dword(dev, addr, val) \
   pci_bus_read_io_dword((dev)->bus, addr, val)
 
+#define pci_read_io_qword(dev, addr, val) \
+  do \
+    { \
+      uint32_t valhi; \
+      uint32_t vallo; \
+      pci_bus_read_io_dword((dev)->bus, addr, &vallo); \
+      pci_bus_read_io_dword((dev)->bus, (uintptr_t)(addr) + sizeof(uint32_t), &valhi); \
+      *(val) = ((uint64_t)valhi << 32) | (uint64_t)vallo; \
+    } \
+  while (0)
+
 #define pci_write_io_byte(dev, addr, val) \
   pci_bus_write_io_byte((dev)->bus, addr, val)
 
@@ -170,6 +181,14 @@
 #define pci_write_io_dword(dev, addr, val) \
   pci_bus_write_io_dword((dev)->bus, addr, val)
 
+#define pci_write_io_qword(dev, addr, val) \
+  do \
+    { \
+      pci_bus_write_io_dword((dev)->bus, addr, (uint32_t)(val)); \
+      pci_bus_write_io_dword((dev)->bus, (uintptr_t)(addr) + sizeof(uint32_t), (val) >> 32); \
+    } \
+  while (0)
+
 #define pci_write_mmio_byte(dev, addr, val)  \
   (*((FAR volatile uint8_t *)(addr))) = val