import 15.2.0 Octopus source

[ceph.git] / ceph / src / seastar / dpdk / drivers / net / qede / base / ecore_int_api.h

diff --git a/ceph/src/seastar/dpdk/drivers/net/qede/base/ecore_int_api.h b/ceph/src/seastar/dpdk/drivers/net/qede/base/ecore_int_api.h
index 799fbe82e75926930ae69173df5326a720ee8567..42538a46c0f542409a0857cc0e34cac5d9c452e9 100644 (file)
--- a/ceph/src/seastar/dpdk/drivers/net/qede/base/ecore_int_api.h
+++ b/ceph/src/seastar/dpdk/drivers/net/qede/base/ecore_int_api.h
@@ -1,9 +1,7 @@
-/*
- * Copyright (c) 2016 QLogic Corporation.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2016 - 2018 Cavium Inc.
  * All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.qede_pmd for copyright and licensing details.
+ * www.cavium.com
  */
 
 #ifndef __ECORE_INT_API_H__
@@ -26,7 +24,7 @@ enum ecore_int_mode {
 #endif
 
 struct ecore_sb_info {
-       struct status_block *sb_virt;
+       struct status_block_e4 *sb_virt;
        dma_addr_t sb_phys;
        u32 sb_ack;             /* Last given ack */
        u16 igu_sb_id;
@@ -44,13 +42,19 @@ struct ecore_sb_info {
 struct ecore_sb_info_dbg {
        u32 igu_prod;
        u32 igu_cons;
-       u16 pi[PIS_PER_SB];
+       u16 pi[PIS_PER_SB_E4];
 };
 
 struct ecore_sb_cnt_info {
-       int sb_cnt;
-       int sb_iov_cnt;
-       int sb_free_blk;
+       /* Original, current, and free SBs for PF */
+       int orig;
+       int cnt;
+       int free_cnt;
+
+       /* Original, current and free SBS for child VFs */
+       int iov_orig;
+       int iov_cnt;
+       int free_cnt_iov;
 };
 
 static OSAL_INLINE u16 ecore_sb_update_sb_idx(struct ecore_sb_info *sb_info)
@@ -61,7 +65,7 @@ static OSAL_INLINE u16 ecore_sb_update_sb_idx(struct ecore_sb_info *sb_info)
        /* barrier(); status block is written to by the chip */
        /* FIXME: need some sort of barrier. */
        prod = OSAL_LE32_TO_CPU(sb_info->sb_virt->prod_index) &
-           STATUS_BLOCK_PROD_INDEX_MASK;
+           STATUS_BLOCK_E4_PROD_INDEX_MASK;
        if (sb_info->sb_ack != prod) {
                sb_info->sb_ack = prod;
                rc |= ECORE_SB_IDX;
@@ -88,8 +92,9 @@ static OSAL_INLINE u16 ecore_sb_update_sb_idx(struct ecore_sb_info *sb_info)
 static OSAL_INLINE void ecore_sb_ack(struct ecore_sb_info *sb_info,
                                     enum igu_int_cmd int_cmd, u8 upd_flg)
 {
-       struct igu_prod_cons_update igu_ack = { 0 };
+       struct igu_prod_cons_update igu_ack;
 
+       OSAL_MEMSET(&igu_ack, 0, sizeof(struct igu_prod_cons_update));
        igu_ack.sb_id_and_flags =
            ((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
             (upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
@@ -173,17 +178,17 @@ enum ecore_coalescing_fsm {
  *
  * @param p_hwfn
  * @param p_ptt
- * @param igu_sb_id
+ * @param p_sb
  * @param pi_index
  * @param state
  * @param timeset
  */
-void ecore_int_cau_conf_pi(struct ecore_hwfn *p_hwfn,
-                          struct ecore_ptt *p_ptt,
-                          u16 igu_sb_id,
-                          u32 pi_index,
-                          enum ecore_coalescing_fsm coalescing_fsm,
-                          u8 timeset);
+void ecore_int_cau_conf_pi(struct ecore_hwfn           *p_hwfn,
+                          struct ecore_ptt             *p_ptt,
+                          struct ecore_sb_info         *p_sb,
+                          u32                          pi_index,
+                          enum ecore_coalescing_fsm    coalescing_fsm,
+                          u8                           timeset);
 
 /**
  *
@@ -219,6 +224,7 @@ void ecore_int_igu_disable_int(struct ecore_hwfn *p_hwfn,
 u64 ecore_int_igu_read_sisr_reg(struct ecore_hwfn *p_hwfn);
 
 #define ECORE_SP_SB_ID 0xffff
+
 /**
  * @brief ecore_int_sb_init - Initializes the sb_info structure.
  *
@@ -324,4 +330,29 @@ enum _ecore_status_t ecore_int_get_sb_dbg(struct ecore_hwfn *p_hwfn,
                                          struct ecore_sb_info *p_sb,
                                          struct ecore_sb_info_dbg *p_info);
 
+/**
+ * @brief - Move a free Status block between PF and child VF
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param sb_id - The PF fastpath vector to be moved [re-assigned if claiming
+ *                from VF, given-up if moving to VF]
+ * @param b_to_vf - PF->VF == true, VF->PF == false
+ *
+ * @return ECORE_SUCCESS if SB successfully moved.
+ */
+enum _ecore_status_t
+ecore_int_igu_relocate_sb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                         u16 sb_id, bool b_to_vf);
+
+/**
+ * @brief - Doorbell Recovery handler.
+ *          Run DB_REAL_DEAL doorbell recovery in case of PF overflow
+ *          (and flush DORQ if needed), otherwise run DB_REC_ONCE.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+enum _ecore_status_t ecore_db_rec_handler(struct ecore_hwfn *p_hwfn,
+                                         struct ecore_ptt *p_ptt);
 #endif