fix: (blkio) enforce disk io buffer size alignment (to block size)

[lunaix-os.git] / lunaix-os / includes / hal / pci.h

diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h
index 24c4e2963b804ab0497ca0a0f95f6498a3ad96fd..21952f2c6a828e22bb2f3e5ac819eafeb4f163a7 100644 (file)
--- a/lunaix-os/includes/hal/pci.h
+++ b/lunaix-os/includes/hal/pci.h
@@ -3,6 +3,7 @@
 
 #include <hal/io.h>
 #include <lunaix/ds/llist.h>
+#include <lunaix/types.h>
 
 #define PCI_CONFIG_ADDR 0xcf8
 #define PCI_CONFIG_DATA 0xcfc
@@ -56,6 +57,19 @@ typedef unsigned int pci_reg_t;
 // PCI device header format
 // Ref: "PCI Local Bus Specification, Rev.3, Section 6.1"
 
+#define BAR_TYPE_MMIO 0x1
+#define BAR_TYPE_CACHABLE 0x2
+#define PCI_DRV_NAME_LEN 32
+
+struct pci_driver;
+
+struct pci_base_addr
+{
+    uint32_t start;
+    uint32_t size;
+    uint32_t type;
+};
+
 struct pci_device
 {
     struct llist_header dev_chain;
@@ -64,6 +78,23 @@ struct pci_device
     uint32_t cspace_base;
     uint32_t msi_loc;
     uint16_t intr_info;
+    struct
+    {
+        struct pci_driver* type;
+        void* instance;
+    } driver;
+    struct pci_base_addr bar[6];
+};
+
+typedef void* (*pci_drv_init)(struct pci_device*);
+
+struct pci_driver
+{
+    struct llist_header drivers;
+    u32_t dev_info;
+    u32_t dev_class;
+    pci_drv_init create_driver;
+    char name[PCI_DRV_NAME_LEN];
 };
 
 // PCI Configuration Space (C-Space) r/w:
@@ -133,4 +164,14 @@ pci_bar_sizing(struct pci_device* dev, uint32_t* bar_out, uint32_t bar_num);
 void
 pci_setup_msi(struct pci_device* device, int vector);
 
+void
+pci_add_driver(const char* name,
+               u32_t class,
+               u32_t vendor,
+               u32_t devid,
+               pci_drv_init init);
+
+int
+pci_bind_driver(struct pci_device* pci_dev);
+
 #endif /* __LUNAIX_PCI_H */