mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-05 11:53:41 +00:00
fdb7f13986
The descriptor structure is the same in ice, ixgbe and i40e. Move it to
common libie header to use it across different driver.
Leave device specific adminq commands in separate folders. This lead to
a change that need to be done in filling/getting descriptor:
- previous: struct specific_desc *cmd;
cmd = &desc.params.specific_desc;
- now: struct specific_desc *cmd;
cmd = libie_aq_raw(&desc);
Do this changes across the driver to allow clean build. The casting only
have to be done in case of specific descriptors, for generic one union
can still be used.
Changes beside code moving:
- change ICE_ prefix to LIBIE_ prefix (ice_ and libie_ too)
- remove shift variables not otherwise needed (in libie_aq_flags)
- fill/get descriptor data based on desc.params.raw whenever the
descriptor isn't defined in libie
- move defines from the libie_aq_sth structure outside
- add libie_aq_raw helper and use it instead of explicit casting
Reviewed by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018, Intel Corporation. */
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#ifndef _ICE_CONTROLQ_H_
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#define _ICE_CONTROLQ_H_
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#include "ice_adminq_cmd.h"
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/* Maximum buffer lengths for all control queue types */
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#define ICE_AQ_MAX_BUF_LEN 4096
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#define ICE_MBXQ_MAX_BUF_LEN 4096
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#define ICE_SBQ_MAX_BUF_LEN 512
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#define ICE_CTL_Q_DESC(R, i) \
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(&(((struct libie_aq_desc *)((R).desc_buf.va))[i]))
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#define ICE_CTL_Q_DESC_UNUSED(R) \
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((u16)((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
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(R)->next_to_clean - (R)->next_to_use - 1))
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/* Defines that help manage the driver vs FW API checks.
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* Take a look at ice_aq_ver_check in ice_controlq.c for actual usage.
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*/
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#define EXP_FW_API_VER_MAJOR_E810 0x01
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#define EXP_FW_API_VER_MINOR_E810 0x05
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#define EXP_FW_API_VER_MAJOR_E830 0x01
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#define EXP_FW_API_VER_MINOR_E830 0x07
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#define EXP_FW_API_VER_MAJOR_BY_MAC(hw) ((hw)->mac_type == ICE_MAC_E830 ? \
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EXP_FW_API_VER_MAJOR_E830 : \
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EXP_FW_API_VER_MAJOR_E810)
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#define EXP_FW_API_VER_MINOR_BY_MAC(hw) ((hw)->mac_type == ICE_MAC_E830 ? \
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EXP_FW_API_VER_MINOR_E830 : \
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EXP_FW_API_VER_MINOR_E810)
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/* Different control queue types: These are mainly for SW consumption. */
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enum ice_ctl_q {
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ICE_CTL_Q_UNKNOWN = 0,
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ICE_CTL_Q_ADMIN,
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ICE_CTL_Q_MAILBOX,
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ICE_CTL_Q_SB,
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};
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/* Control Queue timeout settings - max delay 1s */
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#define ICE_CTL_Q_SQ_CMD_TIMEOUT USEC_PER_SEC
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#define ICE_CTL_Q_ADMIN_INIT_TIMEOUT 10 /* Count 10 times */
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#define ICE_CTL_Q_ADMIN_INIT_MSEC 100 /* Check every 100msec */
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struct ice_ctl_q_ring {
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void *dma_head; /* Virtual address to DMA head */
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struct ice_dma_mem desc_buf; /* descriptor ring memory */
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union {
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struct ice_dma_mem *sq_bi;
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struct ice_dma_mem *rq_bi;
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} r;
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u16 count; /* Number of descriptors */
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/* used for interrupt processing */
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u16 next_to_use;
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u16 next_to_clean;
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/* used for queue tracking */
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u32 head;
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u32 tail;
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u32 len;
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u32 bah;
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u32 bal;
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u32 len_mask;
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u32 len_ena_mask;
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u32 len_crit_mask;
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u32 head_mask;
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};
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/* sq transaction details */
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struct ice_sq_cd {
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struct libie_aq_desc *wb_desc;
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};
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/* rq event information */
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struct ice_rq_event_info {
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struct libie_aq_desc desc;
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u16 msg_len;
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u16 buf_len;
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u8 *msg_buf;
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};
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/* Control Queue information */
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struct ice_ctl_q_info {
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enum ice_ctl_q qtype;
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struct ice_ctl_q_ring rq; /* receive queue */
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struct ice_ctl_q_ring sq; /* send queue */
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u16 num_rq_entries; /* receive queue depth */
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u16 num_sq_entries; /* send queue depth */
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u16 rq_buf_size; /* receive queue buffer size */
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u16 sq_buf_size; /* send queue buffer size */
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enum libie_aq_err sq_last_status; /* last status on send queue */
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struct mutex sq_lock; /* Send queue lock */
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struct mutex rq_lock; /* Receive queue lock */
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};
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#endif /* _ICE_CONTROLQ_H_ */
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