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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/ethernet/intel/ice/ice_controlq.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_controlq.h')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_controlq.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_controlq.h b/drivers/net/ethernet/intel/ice/ice_controlq.h new file mode 100644 index 0000000000..8f2fd1613a --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_controlq.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2018, Intel Corporation. */ + +#ifndef _ICE_CONTROLQ_H_ +#define _ICE_CONTROLQ_H_ + +#include "ice_adminq_cmd.h" + +/* Maximum buffer lengths for all control queue types */ +#define ICE_AQ_MAX_BUF_LEN 4096 +#define ICE_MBXQ_MAX_BUF_LEN 4096 +#define ICE_SBQ_MAX_BUF_LEN 512 + +#define ICE_CTL_Q_DESC(R, i) \ + (&(((struct ice_aq_desc *)((R).desc_buf.va))[i])) + +#define ICE_CTL_Q_DESC_UNUSED(R) \ + ((u16)((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \ + (R)->next_to_clean - (R)->next_to_use - 1)) + +/* Defines that help manage the driver vs FW API checks. + * Take a look at ice_aq_ver_check in ice_controlq.c for actual usage. + */ +#define EXP_FW_API_VER_BRANCH 0x00 +#define EXP_FW_API_VER_MAJOR 0x01 +#define EXP_FW_API_VER_MINOR 0x05 + +/* Different control queue types: These are mainly for SW consumption. */ +enum ice_ctl_q { + ICE_CTL_Q_UNKNOWN = 0, + ICE_CTL_Q_ADMIN, + ICE_CTL_Q_MAILBOX, + ICE_CTL_Q_SB, +}; + +/* Control Queue timeout settings - max delay 1s */ +#define ICE_CTL_Q_SQ_CMD_TIMEOUT HZ /* Wait max 1s */ +#define ICE_CTL_Q_ADMIN_INIT_TIMEOUT 10 /* Count 10 times */ +#define ICE_CTL_Q_ADMIN_INIT_MSEC 100 /* Check every 100msec */ + +struct ice_ctl_q_ring { + void *dma_head; /* Virtual address to DMA head */ + struct ice_dma_mem desc_buf; /* descriptor ring memory */ + void *cmd_buf; /* command buffer memory */ + + union { + struct ice_dma_mem *sq_bi; + struct ice_dma_mem *rq_bi; + } r; + + u16 count; /* Number of descriptors */ + + /* used for interrupt processing */ + u16 next_to_use; + u16 next_to_clean; + + /* used for queue tracking */ + u32 head; + u32 tail; + u32 len; + u32 bah; + u32 bal; + u32 len_mask; + u32 len_ena_mask; + u32 len_crit_mask; + u32 head_mask; +}; + +/* sq transaction details */ +struct ice_sq_cd { + struct ice_aq_desc *wb_desc; +}; + +#define ICE_CTL_Q_DETAILS(R, i) (&(((struct ice_sq_cd *)((R).cmd_buf))[i])) + +/* rq event information */ +struct ice_rq_event_info { + struct ice_aq_desc desc; + u16 msg_len; + u16 buf_len; + u8 *msg_buf; +}; + +/* Control Queue information */ +struct ice_ctl_q_info { + enum ice_ctl_q qtype; + struct ice_ctl_q_ring rq; /* receive queue */ + struct ice_ctl_q_ring sq; /* send queue */ + u16 num_rq_entries; /* receive queue depth */ + u16 num_sq_entries; /* send queue depth */ + u16 rq_buf_size; /* receive queue buffer size */ + u16 sq_buf_size; /* send queue buffer size */ + enum ice_aq_err sq_last_status; /* last status on send queue */ + struct mutex sq_lock; /* Send queue lock */ + struct mutex rq_lock; /* Receive queue lock */ +}; + +#endif /* _ICE_CONTROLQ_H_ */ |