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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h')
-rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h new file mode 100644 index 000000000..9c413e963 --- /dev/null +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h @@ -0,0 +1,188 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Huawei HiNIC PCI Express Linux driver + * Copyright(c) 2017 Huawei Technologies Co., Ltd + */ + +#ifndef HINIC_CMDQ_H +#define HINIC_CMDQ_H + +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/completion.h> +#include <linux/pci.h> + +#include "hinic_hw_if.h" +#include "hinic_hw_wq.h" + +#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_SHIFT 0 +#define HINIC_CMDQ_CTXT_EQ_ID_SHIFT 56 +#define HINIC_CMDQ_CTXT_CEQ_ARM_SHIFT 61 +#define HINIC_CMDQ_CTXT_CEQ_EN_SHIFT 62 +#define HINIC_CMDQ_CTXT_WRAPPED_SHIFT 63 + +#define HINIC_CMDQ_CTXT_CURR_WQE_PAGE_PFN_MASK 0xFFFFFFFFFFFFF +#define HINIC_CMDQ_CTXT_EQ_ID_MASK 0x1F +#define HINIC_CMDQ_CTXT_CEQ_ARM_MASK 0x1 +#define HINIC_CMDQ_CTXT_CEQ_EN_MASK 0x1 +#define HINIC_CMDQ_CTXT_WRAPPED_MASK 0x1 + +#define HINIC_CMDQ_CTXT_PAGE_INFO_SET(val, member) \ + (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \ + << HINIC_CMDQ_CTXT_##member##_SHIFT) + +#define HINIC_CMDQ_CTXT_PAGE_INFO_GET(val, member) \ + (((u64)(val) >> HINIC_CMDQ_CTXT_##member##_SHIFT) \ + & HINIC_CMDQ_CTXT_##member##_MASK) + +#define HINIC_CMDQ_CTXT_PAGE_INFO_CLEAR(val, member) \ + ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \ + << HINIC_CMDQ_CTXT_##member##_SHIFT))) + +#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_SHIFT 0 +#define HINIC_CMDQ_CTXT_CI_SHIFT 52 + +#define HINIC_CMDQ_CTXT_WQ_BLOCK_PFN_MASK 0xFFFFFFFFFFFFF +#define HINIC_CMDQ_CTXT_CI_MASK 0xFFF + +#define HINIC_CMDQ_CTXT_BLOCK_INFO_SET(val, member) \ + (((u64)(val) & HINIC_CMDQ_CTXT_##member##_MASK) \ + << HINIC_CMDQ_CTXT_##member##_SHIFT) + +#define HINIC_CMDQ_CTXT_BLOCK_INFO_GET(val, member) \ + (((u64)(val) >> HINIC_CMDQ_CTXT_##member##_SHIFT) \ + & HINIC_CMDQ_CTXT_##member##_MASK) + +#define HINIC_CMDQ_CTXT_BLOCK_INFO_CLEAR(val, member) \ + ((val) & (~((u64)HINIC_CMDQ_CTXT_##member##_MASK \ + << HINIC_CMDQ_CTXT_##member##_SHIFT))) + +#define HINIC_SAVED_DATA_ARM_SHIFT 31 + +#define HINIC_SAVED_DATA_ARM_MASK 0x1 + +#define HINIC_SAVED_DATA_SET(val, member) \ + (((u32)(val) & HINIC_SAVED_DATA_##member##_MASK) \ + << HINIC_SAVED_DATA_##member##_SHIFT) + +#define HINIC_SAVED_DATA_GET(val, member) \ + (((val) >> HINIC_SAVED_DATA_##member##_SHIFT) \ + & HINIC_SAVED_DATA_##member##_MASK) + +#define HINIC_SAVED_DATA_CLEAR(val, member) \ + ((val) & (~(HINIC_SAVED_DATA_##member##_MASK \ + << HINIC_SAVED_DATA_##member##_SHIFT))) + +#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_SHIFT 0 +#define HINIC_CMDQ_DB_INFO_PATH_SHIFT 23 +#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_SHIFT 24 +#define HINIC_CMDQ_DB_INFO_DB_TYPE_SHIFT 27 + +#define HINIC_CMDQ_DB_INFO_HI_PROD_IDX_MASK 0xFF +#define HINIC_CMDQ_DB_INFO_PATH_MASK 0x1 +#define HINIC_CMDQ_DB_INFO_CMDQ_TYPE_MASK 0x7 +#define HINIC_CMDQ_DB_INFO_DB_TYPE_MASK 0x1F + +#define HINIC_CMDQ_DB_INFO_SET(val, member) \ + (((u32)(val) & HINIC_CMDQ_DB_INFO_##member##_MASK) \ + << HINIC_CMDQ_DB_INFO_##member##_SHIFT) + +#define HINIC_CMDQ_BUF_SIZE 2048 + +#define HINIC_CMDQ_BUF_HW_RSVD 8 +#define HINIC_CMDQ_MAX_DATA_SIZE (HINIC_CMDQ_BUF_SIZE - \ + HINIC_CMDQ_BUF_HW_RSVD) + +enum hinic_cmdq_type { + HINIC_CMDQ_SYNC, + + HINIC_MAX_CMDQ_TYPES, +}; + +enum hinic_set_arm_qtype { + HINIC_SET_ARM_CMDQ, +}; + +enum hinic_cmd_ack_type { + HINIC_CMD_ACK_TYPE_CMDQ, +}; + +struct hinic_cmdq_buf { + void *buf; + dma_addr_t dma_addr; + size_t size; +}; + +struct hinic_cmdq_arm_bit { + u32 q_type; + u32 q_id; +}; + +struct hinic_cmdq_ctxt_info { + u64 curr_wqe_page_pfn; + u64 wq_block_pfn; +}; + +struct hinic_cmdq_ctxt { + u8 status; + u8 version; + u8 rsvd0[6]; + + u16 func_idx; + u8 cmdq_type; + u8 ppf_idx; + + u8 rsvd2[4]; + + struct hinic_cmdq_ctxt_info ctxt_info; +}; + +struct hinic_cmdq { + struct hinic_hwdev *hwdev; + + struct hinic_wq *wq; + + enum hinic_cmdq_type cmdq_type; + int wrapped; + + /* Lock for keeping the doorbell order */ + spinlock_t cmdq_lock; + + struct completion **done; + int **errcode; + + /* doorbell area */ + void __iomem *db_base; +}; + +struct hinic_cmdqs { + struct hinic_hwif *hwif; + + struct dma_pool *cmdq_buf_pool; + + struct hinic_wq *saved_wqs; + + struct hinic_cmdq_pages cmdq_pages; + + struct hinic_cmdq cmdq[HINIC_MAX_CMDQ_TYPES]; +}; + +int hinic_alloc_cmdq_buf(struct hinic_cmdqs *cmdqs, + struct hinic_cmdq_buf *cmdq_buf); + +void hinic_free_cmdq_buf(struct hinic_cmdqs *cmdqs, + struct hinic_cmdq_buf *cmdq_buf); + +int hinic_cmdq_direct_resp(struct hinic_cmdqs *cmdqs, + enum hinic_mod_type mod, u8 cmd, + struct hinic_cmdq_buf *buf_in, u64 *out_param); + +int hinic_set_arm_bit(struct hinic_cmdqs *cmdqs, + enum hinic_set_arm_qtype q_type, u32 q_id); + +int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif, + void __iomem **db_area); + +void hinic_free_cmdqs(struct hinic_cmdqs *cmdqs); + +#endif |