add ability to do intr-binding based on given device tree node

[lunaix-os.git] / lunaix-os / arch / generic / includes / asm-generic / isrm.h

diff --git a/lunaix-os/arch/generic/includes/asm-generic/isrm.h b/lunaix-os/arch/generic/includes/asm-generic/isrm.h
index 7e319b5a02f66859bf2700a63514bed479b9daf9..88c1db03b9b655b948bf1efe54e03eca7209f678 100644 (file)
--- a/lunaix-os/arch/generic/includes/asm-generic/isrm.h
+++ b/lunaix-os/arch/generic/includes/asm-generic/isrm.h
@@ -14,8 +14,21 @@
 #include <lunaix/types.h>
 #include <lunaix/hart_state.h>
 
 #include <lunaix/types.h>
 #include <lunaix/hart_state.h>
 

+#include <hal/devtree.h>
+

 typedef void (*isr_cb)(const struct hart_state*);
 
 typedef void (*isr_cb)(const struct hart_state*);
 

+typedef struct {
+    ptr_t msi_addr;
+    reg_t msi_data;
+    int mapped_iv;
+} msi_vector_t;
+#define msi_addr(msiv)   ((msiv).msi_addr)
+#define msi_data(msiv)   ((msiv).msi_data)
+#define msi_vect(msiv)   ((msiv).mapped_iv)
+#define check_msiv_invalid(msiv)  (msi_vect(msiv) == -1)
+#define invalid_msi_vector  ((msi_vector_t) { (ptr_t)-1, (reg_t)-1, -1 });
+

 void
 isrm_init();
 
 void
 isrm_init();
 


@@ -44,21 +57,20 @@ int
 isrm_ivexalloc(isr_cb handler);
 
 /**
 isrm_ivexalloc(isr_cb handler);
 
 /**

- * @brief Bind a given irq and associated handler to an iv
+ * @brief Allocate an iv resource for MSI use

  *
  *

- * @param iv iv allocated by system
+ * @param iv

  */
  */

-int
-isrm_bindirq(int irq, isr_cb irq_handler);
+msi_vector_t
+isrm_msialloc(isr_cb handler);

 
 /**
 
 /**

- * @brief Bind given iv with it's associated handler
+ * @brief Bind the iv according to given device tree node

  *
  *

- * @param iv
- * @param handler
+ * @param node

  */
  */

-void
-isrm_bindiv(int iv, isr_cb handler);
+int
+isrm_bind_dtnode(struct dt_intr_node* node, isr_cb handler);

 
 /**
  * @brief Get the handler associated with the given iv
 
 /**
  * @brief Get the handler associated with the given iv


@@ -75,9 +87,6 @@ isrm_get_payload(const struct hart_state*);
 void
 isrm_set_payload(int iv, ptr_t);
 
 void
 isrm_set_payload(int iv, ptr_t);
 

-void
-isrm_irq_attach(int irq, int iv, cpu_t dest, u32_t flags);
-

 /**
  * @brief Notify end of interrupt event
  *
 /**
  * @brief Notify end of interrupt event
  *