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c34632dbb2
This moves bnxt_hsi.h contents to a common location so it can be properly referenced by bnxt_en, bnxt_re, and bnge. Signed-off-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Link: https://patch.msgid.link/20250714170202.39688-1-gospo@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2025 Broadcom */
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#ifndef _BNGE_HWRM_H_
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#define _BNGE_HWRM_H_
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#include <linux/bnxt/hsi.h>
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enum bnge_hwrm_ctx_flags {
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BNGE_HWRM_INTERNAL_CTX_OWNED = BIT(0),
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BNGE_HWRM_INTERNAL_RESP_DIRTY = BIT(1),
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BNGE_HWRM_CTX_SILENT = BIT(2),
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BNGE_HWRM_FULL_WAIT = BIT(3),
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};
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#define BNGE_HWRM_API_FLAGS (BNGE_HWRM_CTX_SILENT | BNGE_HWRM_FULL_WAIT)
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struct bnge_hwrm_ctx {
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u64 sentinel;
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dma_addr_t dma_handle;
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struct output *resp;
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struct input *req;
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dma_addr_t slice_handle;
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void *slice_addr;
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u32 slice_size;
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u32 req_len;
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enum bnge_hwrm_ctx_flags flags;
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unsigned int timeout;
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u32 allocated;
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gfp_t gfp;
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};
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enum bnge_hwrm_wait_state {
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BNGE_HWRM_PENDING,
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BNGE_HWRM_DEFERRED,
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BNGE_HWRM_COMPLETE,
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BNGE_HWRM_CANCELLED,
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};
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enum bnge_hwrm_chnl { BNGE_HWRM_CHNL_CHIMP, BNGE_HWRM_CHNL_KONG };
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struct bnge_hwrm_wait_token {
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struct rcu_head rcu;
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struct hlist_node node;
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enum bnge_hwrm_wait_state state;
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enum bnge_hwrm_chnl dst;
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u16 seq_id;
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};
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#define BNGE_DFLT_HWRM_CMD_TIMEOUT 500
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#define BNGE_GRCPF_REG_CHIMP_COMM 0x0
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#define BNGE_GRCPF_REG_CHIMP_COMM_TRIGGER 0x100
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#define BNGE_HWRM_MAX_REQ_LEN (bd->hwrm_max_req_len)
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#define BNGE_HWRM_SHORT_REQ_LEN sizeof(struct hwrm_short_input)
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#define BNGE_HWRM_CMD_MAX_TIMEOUT 40000U
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#define BNGE_SHORT_HWRM_CMD_TIMEOUT 20
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#define BNGE_HWRM_CMD_TIMEOUT (bd->hwrm_cmd_timeout)
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#define BNGE_HWRM_RESET_TIMEOUT ((BNGE_HWRM_CMD_TIMEOUT) * 4)
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#define BNGE_HWRM_TARGET 0xffff
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#define BNGE_HWRM_NO_CMPL_RING -1
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#define BNGE_HWRM_REQ_MAX_SIZE 128
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#define BNGE_HWRM_DMA_SIZE (2 * PAGE_SIZE) /* space for req+resp */
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#define BNGE_HWRM_RESP_RESERVED PAGE_SIZE
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#define BNGE_HWRM_RESP_OFFSET (BNGE_HWRM_DMA_SIZE - \
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BNGE_HWRM_RESP_RESERVED)
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#define BNGE_HWRM_CTX_OFFSET (BNGE_HWRM_RESP_OFFSET - \
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sizeof(struct bnge_hwrm_ctx))
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#define BNGE_HWRM_DMA_ALIGN 16
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#define BNGE_HWRM_SENTINEL 0xb6e1f68a12e9a7eb /* arbitrary value */
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#define BNGE_HWRM_SHORT_MIN_TIMEOUT 3
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#define BNGE_HWRM_SHORT_MAX_TIMEOUT 10
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#define BNGE_HWRM_SHORT_TIMEOUT_COUNTER 5
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#define BNGE_HWRM_MIN_TIMEOUT 25
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#define BNGE_HWRM_MAX_TIMEOUT 40
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static inline unsigned int bnge_hwrm_timeout(unsigned int n)
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{
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return n <= BNGE_HWRM_SHORT_TIMEOUT_COUNTER ?
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n * BNGE_HWRM_SHORT_MIN_TIMEOUT :
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BNGE_HWRM_SHORT_TIMEOUT_COUNTER *
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BNGE_HWRM_SHORT_MIN_TIMEOUT +
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(n - BNGE_HWRM_SHORT_TIMEOUT_COUNTER) *
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BNGE_HWRM_MIN_TIMEOUT;
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}
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#define BNGE_HWRM_FIN_WAIT_USEC 50000
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void bnge_cleanup_hwrm_resources(struct bnge_dev *bd);
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int bnge_init_hwrm_resources(struct bnge_dev *bd);
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int bnge_hwrm_req_create(struct bnge_dev *bd, void **req, u16 req_type,
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u32 req_len);
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#define bnge_hwrm_req_init(bd, req, req_type) \
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bnge_hwrm_req_create((bd), (void **)&(req), (req_type), \
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sizeof(*(req)))
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void *bnge_hwrm_req_hold(struct bnge_dev *bd, void *req);
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void bnge_hwrm_req_drop(struct bnge_dev *bd, void *req);
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void bnge_hwrm_req_flags(struct bnge_dev *bd, void *req,
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enum bnge_hwrm_ctx_flags flags);
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void bnge_hwrm_req_timeout(struct bnge_dev *bd, void *req,
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unsigned int timeout);
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int bnge_hwrm_req_send(struct bnge_dev *bd, void *req);
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int bnge_hwrm_req_send_silent(struct bnge_dev *bd, void *req);
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void bnge_hwrm_req_alloc_flags(struct bnge_dev *bd, void *req, gfp_t flags);
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void *bnge_hwrm_req_dma_slice(struct bnge_dev *bd, void *req, u32 size,
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dma_addr_t *dma);
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#endif /* _BNGE_HWRM_H_ */
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