--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+
+#ifndef _HINIC_PMD_CMDQ_H_
+#define _HINIC_PMD_CMDQ_H_
+
+#define HINIC_DB_OFF 0x00000800
+
+#define HINIC_SCMD_DATA_LEN 16
+
+/* pmd driver uses 64, kernel l2nic use 4096 */
+#define HINIC_CMDQ_DEPTH 64
+
+#define HINIC_CMDQ_BUF_SIZE 2048U
+#define HINIC_CMDQ_BUF_HW_RSVD 8
+#define HINIC_CMDQ_MAX_DATA_SIZE (HINIC_CMDQ_BUF_SIZE \
+ - HINIC_CMDQ_BUF_HW_RSVD)
+
+#define HINIC_CEQ_ID_CMDQ 0
+
+enum cmdq_scmd_type {
+ CMDQ_SET_ARM_CMD = 2,
+};
+
+enum cmdq_wqe_type {
+ WQE_LCMD_TYPE,
+ WQE_SCMD_TYPE,
+};
+
+enum ctrl_sect_len {
+ CTRL_SECT_LEN = 1,
+ CTRL_DIRECT_SECT_LEN = 2,
+};
+
+enum bufdesc_len {
+ BUFDESC_LCMD_LEN = 2,
+ BUFDESC_SCMD_LEN = 3,
+};
+
+enum data_format {
+ DATA_SGE,
+};
+
+enum completion_format {
+ COMPLETE_DIRECT,
+ COMPLETE_SGE,
+};
+
+enum completion_request {
+ CEQ_SET = 1,
+};
+
+enum cmdq_cmd_type {
+ SYNC_CMD_DIRECT_RESP,
+ SYNC_CMD_SGE_RESP,
+ ASYNC_CMD,
+};
+
+enum hinic_cmdq_type {
+ HINIC_CMDQ_SYNC,
+ HINIC_CMDQ_ASYNC,
+ HINIC_MAX_CMDQ_TYPES,
+};
+
+enum hinic_db_src_type {
+ HINIC_DB_SRC_CMDQ_TYPE,
+ HINIC_DB_SRC_L2NIC_SQ_TYPE,
+};
+
+enum hinic_cmdq_db_type {
+ HINIC_DB_SQ_RQ_TYPE,
+ HINIC_DB_CMDQ_TYPE,
+};
+
+/* CMDQ WQE CTRLS */
+struct hinic_cmdq_header {
+ u32 header_info;
+ u32 saved_data;
+};
+
+struct hinic_scmd_bufdesc {
+ u32 buf_len;
+ u32 rsvd;
+ u8 data[HINIC_SCMD_DATA_LEN];
+};
+
+struct hinic_lcmd_bufdesc {
+ struct hinic_sge sge;
+ u32 rsvd1;
+ u64 saved_async_buf;
+ u64 rsvd3;
+};
+
+struct hinic_cmdq_db {
+ u32 db_info;
+ u32 rsvd;
+};
+
+struct hinic_status {
+ u32 status_info;
+};
+
+struct hinic_ctrl {
+ u32 ctrl_info;
+};
+
+struct hinic_sge_resp {
+ struct hinic_sge sge;
+ u32 rsvd;
+};
+
+struct hinic_cmdq_completion {
+ /* HW Format */
+ union {
+ struct hinic_sge_resp sge_resp;
+ u64 direct_resp;
+ };
+};
+
+struct hinic_cmdq_wqe_scmd {
+ struct hinic_cmdq_header header;
+ struct hinic_cmdq_db db;
+ struct hinic_status status;
+ struct hinic_ctrl ctrl;
+ struct hinic_cmdq_completion completion;
+ struct hinic_scmd_bufdesc buf_desc;
+};
+
+struct hinic_cmdq_wqe_lcmd {
+ struct hinic_cmdq_header header;
+ struct hinic_status status;
+ struct hinic_ctrl ctrl;
+ struct hinic_cmdq_completion completion;
+ struct hinic_lcmd_bufdesc buf_desc;
+};
+
+struct hinic_cmdq_inline_wqe {
+ struct hinic_cmdq_wqe_scmd wqe_scmd;
+};
+
+struct hinic_cmdq_wqe {
+ /* HW Format */
+ union{
+ struct hinic_cmdq_inline_wqe inline_wqe;
+ struct hinic_cmdq_wqe_lcmd wqe_lcmd;
+ };
+};
+
+struct hinic_cmdq_ctxt_info {
+ u64 curr_wqe_page_pfn;
+ u64 wq_block_pfn;
+};
+
+/* New interface */
+struct hinic_cmdq_ctxt {
+ u8 status;
+ u8 version;
+ u8 resp_aeq_num;
+ u8 rsvd0[5];
+
+ u16 func_idx;
+ u8 cmdq_id;
+ u8 ppf_idx;
+
+ u8 rsvd1[4];
+
+ struct hinic_cmdq_ctxt_info ctxt_info;
+};
+
+enum hinic_cmdq_status {
+ HINIC_CMDQ_ENABLE = BIT(0),
+ HINIC_CMDQ_SET_FAIL = BIT(1)
+};
+
+enum hinic_cmdq_cmd_type {
+ HINIC_CMD_TYPE_NONE,
+ HINIC_CMD_TYPE_SET_ARM,
+ HINIC_CMD_TYPE_NORMAL,
+};
+
+struct hinic_cmdq_cmd_info {
+ enum hinic_cmdq_cmd_type cmd_type;
+};
+
+struct hinic_cmdq {
+ struct hinic_wq *wq;
+
+ enum hinic_cmdq_type cmdq_type;
+ int wrapped;
+
+ hinic_spinlock_t cmdq_lock;
+
+ int *errcode;
+
+ /* doorbell area */
+ u8 __iomem *db_base;
+
+ struct hinic_cmdq_ctxt cmdq_ctxt;
+
+ struct hinic_cmdq_cmd_info *cmd_infos;
+};
+
+struct hinic_cmdqs {
+ struct hinic_hwdev *hwdev;
+
+ struct pci_pool *cmd_buf_pool;
+
+ struct hinic_wq *saved_wqs;
+
+ struct hinic_cmdq cmdq[HINIC_MAX_CMDQ_TYPES];
+
+ u32 status;
+};
+
+struct hinic_cmd_buf {
+ void *buf;
+ dma_addr_t dma_addr;
+ struct rte_mbuf *mbuf;
+ u16 size;
+};
+
+int hinic_reinit_cmdq_ctxts(struct hinic_hwdev *hwdev);
+
+bool hinic_cmdq_idle(struct hinic_cmdq *cmdq);
+
+struct hinic_cmd_buf *hinic_alloc_cmd_buf(void *hwdev);
+
+void hinic_free_cmd_buf(void *hwdev, struct hinic_cmd_buf *cmd_buf);
+
+/* PF/VF send cmd to ucode by cmdq, and return if success.
+ * timeout=0, use default timeout.
+ */
+int hinic_cmdq_direct_resp(void *hwdev, enum hinic_ack_type ack_type,
+ enum hinic_mod_type mod, u8 cmd,
+ struct hinic_cmd_buf *buf_in,
+ u64 *out_param, u32 timeout);
+
+int hinic_comm_cmdqs_init(struct hinic_hwdev *hwdev);
+
+void hinic_comm_cmdqs_free(struct hinic_hwdev *hwdev);
+
+#endif /* _HINIC_PMD_CMDQ_H_ */
projects / ceph.git / blobdiff