New upstream version 17.11-rc3
[deb_dpdk.git] / drivers / net / qede / base / ecore_int.h
index 067ed60..563051c 100644 (file)
 #define ECORE_SB_EVENT_MASK    0x0003
 
 #define SB_ALIGNED_SIZE(p_hwfn)                                        \
-       ALIGNED_TYPE_SIZE(struct status_block, p_hwfn)
+       ALIGNED_TYPE_SIZE(struct status_block_e4, p_hwfn)
+
+#define ECORE_SB_INVALID_IDX   0xffff
 
 struct ecore_igu_block {
        u8 status;
 #define ECORE_IGU_STATUS_FREE  0x01
 #define ECORE_IGU_STATUS_VALID 0x02
 #define ECORE_IGU_STATUS_PF    0x04
+#define ECORE_IGU_STATUS_DSB   0x08
 
        u8 vector_number;
        u8 function_id;
        u8 is_pf;
-};
 
-struct ecore_igu_map {
-       struct ecore_igu_block igu_blocks[MAX_TOT_SB_PER_PATH];
+       /* Index inside IGU [meant for back reference] */
+       u16 igu_sb_id;
+
+       struct ecore_sb_info *sb_info;
 };
 
 struct ecore_igu_info {
-       struct ecore_igu_map igu_map;
+       struct ecore_igu_block entry[MAX_TOT_SB_PER_PATH];
        u16 igu_dsb_id;
-       u16 igu_base_sb;
-       u16 igu_base_sb_iov;
-       u16 igu_sb_cnt;
-       u16 igu_sb_cnt_iov;
-       u16 free_blks;
+
+       /* The numbers can shift when using APIs to switch SBs between PF and
+        * VF.
+        */
+       struct ecore_sb_cnt_info usage;
+
+       /* Determine whether we can shift SBs between VFs and PFs */
+       bool b_allow_pf_vf_change;
 };
 
+/**
+ * @brief - Make sure the IGU CAM reflects the resources provided by MFW
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+int ecore_int_igu_reset_cam(struct ecore_hwfn *p_hwfn,
+                           struct ecore_ptt *p_ptt);
+
+/**
+ * @brief - Make sure IGU CAM reflects the default resources once again,
+ *          starting with a 'dirty' SW database.
+ * @param p_hwfn
+ * @param p_ptt
+ */
+int ecore_int_igu_reset_cam_default(struct ecore_hwfn *p_hwfn,
+                                   struct ecore_ptt *p_ptt);
+
+/**
+ * @brief Translate the weakly-defined client sb-id into an IGU sb-id
+ *
+ * @param p_hwfn
+ * @param sb_id - user provided sb_id
+ *
+ * @return an index inside IGU CAM where the SB resides
+ */
+u16 ecore_get_igu_sb_id(struct ecore_hwfn *p_hwfn, u16 sb_id);
+
+/**
+ * @brief return a pointer to an unused valid SB
+ *
+ * @param p_hwfn
+ * @param b_is_pf - true iff we want a SB belonging to a PF
+ *
+ * @return point to an igu_block, OSAL_NULL if none is available
+ */
+struct ecore_igu_block *
+ecore_get_igu_free_sb(struct ecore_hwfn *p_hwfn, bool b_is_pf);
 /* TODO Names of function may change... */
 void ecore_int_igu_init_pure_rt(struct ecore_hwfn *p_hwfn,
                                struct ecore_ptt *p_ptt,
@@ -125,9 +170,11 @@ u16 ecore_int_get_sp_sb_id(struct ecore_hwfn *p_hwfn);
  * @param opaque       - opaque fid of the sb owner.
  * @param cleanup_set  - set(1) / clear(0)
  */
-void ecore_int_igu_init_pure_rt_single(struct ecore_hwfn *p_hwfn,
-                                      struct ecore_ptt *p_ptt,
-                                      u32 sb_id, u16 opaque, bool b_set);
+void ecore_int_igu_init_pure_rt_single(struct ecore_hwfn       *p_hwfn,
+                                      struct ecore_ptt         *p_ptt,
+                                      u16                      sb_id,
+                                      u16                      opaque,
+                                      bool                     b_set);
 
 /**
  * @brief ecore_int_cau_conf - configure cau for a given status