net/bnxt: support EEM system memory

[dpdk.git] / drivers / net / bnxt / tf_core / tf_em.h

diff --git a/drivers/net/bnxt/tf_core/tf_em.h b/drivers/net/bnxt/tf_core/tf_em.h
index 617b075..0890261 100644 (file)
--- a/drivers/net/bnxt/tf_core/tf_em.h
+++ b/drivers/net/bnxt/tf_core/tf_em.h
@@ -16,6 +16,9 @@
 
 #include "hcapi/hcapi_cfa_defs.h"
 
+#define TF_EM_MIN_ENTRIES     (1 << 15) /* 32K */
+#define TF_EM_MAX_ENTRIES     (1 << 27) /* 128M */
+
 #define TF_HW_EM_KEY_MAX_SIZE 52
 #define TF_EM_KEY_RECORD_SIZE 64
 
@@ -69,8 +72,16 @@
 #error "Invalid Page Size specified. Please use a TF_EM_PAGE_SIZE_n define"
 #endif
 
+/*
+ * System memory always uses 4K pages
+ */
+#ifdef TF_USE_SYSTEM_MEM
+#define TF_EM_PAGE_SIZE (1 << TF_EM_PAGE_SIZE_4K)
+#define TF_EM_PAGE_ALIGNMENT (1 << TF_EM_PAGE_SIZE_4K)
+#else
 #define TF_EM_PAGE_SIZE        (1 << TF_EM_PAGE_SHIFT)
 #define TF_EM_PAGE_ALIGNMENT (1 << TF_EM_PAGE_SHIFT)
+#endif
 
 /*
  * Used to build GFID:
@@ -168,39 +179,6 @@ struct tf_em_cfg_parms {
  * @ref tf_em_ext_common_alloc
  */
 
-/**
- * Allocates EEM Table scope
- *
- * [in] tfp
- *   Pointer to TruFlow handle
- *
- * [in] parms
- *   Pointer to input parameters
- *
- * Returns:
- *   0       - Success
- *   -EINVAL - Parameter error
- *   -ENOMEM - Out of memory
- */
-int tf_alloc_eem_tbl_scope(struct tf *tfp,
-                          struct tf_alloc_tbl_scope_parms *parms);
-
-/**
- * Free's EEM Table scope control block
- *
- * [in] tfp
- *   Pointer to TruFlow handle
- *
- * [in] parms
- *   Pointer to input parameters
- *
- * Returns:
- *   0       - Success
- *   -EINVAL - Parameter error
- */
-int tf_free_eem_tbl_scope_cb(struct tf *tfp,
-                            struct tf_free_tbl_scope_parms *parms);
-
 /**
  * Insert record in to internal EM table
  *
@@ -374,8 +352,8 @@ int tf_em_ext_common_unbind(struct tf *tfp);
  *   0       - Success
  *   -EINVAL - Parameter error
  */
-int tf_em_ext_host_alloc(struct tf *tfp,
-                        struct tf_alloc_tbl_scope_parms *parms);
+int tf_em_ext_alloc(struct tf *tfp,
+                   struct tf_alloc_tbl_scope_parms *parms);
 
 /**
  * Free for external EEM using host memory
@@ -390,11 +368,11 @@ int tf_em_ext_host_alloc(struct tf *tfp,
  *   0       - Success
  *   -EINVAL - Parameter error
  */
-int tf_em_ext_host_free(struct tf *tfp,
-                       struct tf_free_tbl_scope_parms *parms);
+int tf_em_ext_free(struct tf *tfp,
+                  struct tf_free_tbl_scope_parms *parms);
 
 /**
- * Alloc for external EEM using system memory
+ * Common free for external EEM using host or system memory
  *
  * [in] tfp
  *   Pointer to TruFlow handle
@@ -406,11 +384,11 @@ int tf_em_ext_host_free(struct tf *tfp,
  *   0       - Success
  *   -EINVAL - Parameter error
  */
-int tf_em_ext_system_alloc(struct tf *tfp,
-                          struct tf_alloc_tbl_scope_parms *parms);
+int tf_em_ext_common_free(struct tf *tfp,
+                         struct tf_free_tbl_scope_parms *parms);
 
 /**
- * Free for external EEM using system memory
+ * Common alloc for external EEM using host or system memory
  *
  * [in] tfp
  *   Pointer to TruFlow handle
@@ -422,38 +400,86 @@ int tf_em_ext_system_alloc(struct tf *tfp,
  *   0       - Success
  *   -EINVAL - Parameter error
  */
-int tf_em_ext_system_free(struct tf *tfp,
-                         struct tf_free_tbl_scope_parms *parms);
+int tf_em_ext_common_alloc(struct tf *tfp,
+                          struct tf_alloc_tbl_scope_parms *parms);
 
 /**
- * Common free for external EEM using host or system memory
+ * Allocate External Tbl entry from the scope pool.
  *
  * [in] tfp
- *   Pointer to TruFlow handle
+ *   Pointer to Truflow Handle
+ * [in] parms
+ *   Allocation parameters
  *
+ * Return:
+ *  0       - Success, entry allocated - no search support
+ *  -ENOMEM -EINVAL -EOPNOTSUPP
+ *          - Failure, entry not allocated, out of resources
+ */
+int
+tf_tbl_ext_alloc(struct tf *tfp,
+                struct tf_tbl_alloc_parms *parms);
+
+/**
+ * Free External Tbl entry to the scope pool.
+ *
+ * [in] tfp
+ *   Pointer to Truflow Handle
  * [in] parms
- *   Pointer to input parameters
+ *   Allocation parameters
  *
- * Returns:
- *   0       - Success
- *   -EINVAL - Parameter error
+ * Return:
+ *  0       - Success, entry freed
+ *
+ * - Failure, entry not successfully freed for these reasons
+ *  -ENOMEM
+ *  -EOPNOTSUPP
+ *  -EINVAL
  */
-int tf_em_ext_common_free(struct tf *tfp,
-                         struct tf_free_tbl_scope_parms *parms);
+int
+tf_tbl_ext_free(struct tf *tfp,
+               struct tf_tbl_free_parms *parms);
 
 /**
- * Common alloc for external EEM using host or system memory
+ * Sets the specified external table type element.
+ *
+ * This API sets the specified element data by invoking the
+ * firmware.
  *
  * [in] tfp
- *   Pointer to TruFlow handle
+ *   Pointer to TF handle
  *
  * [in] parms
- *   Pointer to input parameters
+ *   Pointer to table set parameters
  *
- * Returns:
- *   0       - Success
- *   -EINVAL - Parameter error
+ * Returns
+ *   - (0) if successful.
+ *   - (-EINVAL) on failure.
  */
-int tf_em_ext_common_alloc(struct tf *tfp,
-                          struct tf_alloc_tbl_scope_parms *parms);
+int tf_tbl_ext_common_set(struct tf *tfp,
+                         struct tf_tbl_set_parms *parms);
+
+/**
+ * Sets the specified external table type element.
+ *
+ * This API sets the specified element data by invoking the
+ * firmware.
+ *
+ * [in] tfp
+ *   Pointer to TF handle
+ *
+ * [in] parms
+ *   Pointer to table set parameters
+ *
+ * Returns
+ *   - (0) if successful.
+ *   - (-EINVAL) on failure.
+ */
+int tf_tbl_ext_set(struct tf *tfp,
+                  struct tf_tbl_set_parms *parms);
+
+int
+tf_em_ext_system_bind(struct tf *tfp,
+                     struct tf_em_cfg_parms *parms);
+
 #endif /* _TF_EM_H_ */