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134 lines
2.9 KiB
134 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ |
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/* |
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* Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. |
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*/ |
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#ifndef _EFA_ADMIN_H_ |
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#define _EFA_ADMIN_H_ |
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enum efa_admin_aq_completion_status { |
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EFA_ADMIN_SUCCESS = 0, |
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EFA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1, |
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EFA_ADMIN_BAD_OPCODE = 2, |
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EFA_ADMIN_UNSUPPORTED_OPCODE = 3, |
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EFA_ADMIN_MALFORMED_REQUEST = 4, |
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/* Additional status is provided in ACQ entry extended_status */ |
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EFA_ADMIN_ILLEGAL_PARAMETER = 5, |
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EFA_ADMIN_UNKNOWN_ERROR = 6, |
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EFA_ADMIN_RESOURCE_BUSY = 7, |
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}; |
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struct efa_admin_aq_common_desc { |
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/* |
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* 11:0 : command_id |
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* 15:12 : reserved12 |
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*/ |
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u16 command_id; |
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/* as appears in efa_admin_aq_opcode */ |
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u8 opcode; |
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/* |
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* 0 : phase |
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* 1 : ctrl_data - control buffer address valid |
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* 2 : ctrl_data_indirect - control buffer address |
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* points to list of pages with addresses of control |
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* buffers |
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* 7:3 : reserved3 |
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*/ |
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u8 flags; |
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}; |
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/* |
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* used in efa_admin_aq_entry. Can point directly to control data, or to a |
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* page list chunk. Used also at the end of indirect mode page list chunks, |
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* for chaining. |
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*/ |
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struct efa_admin_ctrl_buff_info { |
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u32 length; |
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struct efa_common_mem_addr address; |
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}; |
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struct efa_admin_aq_entry { |
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struct efa_admin_aq_common_desc aq_common_descriptor; |
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union { |
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u32 inline_data_w1[3]; |
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struct efa_admin_ctrl_buff_info control_buffer; |
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} u; |
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u32 inline_data_w4[12]; |
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}; |
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struct efa_admin_acq_common_desc { |
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/* |
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* command identifier to associate it with the aq descriptor |
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* 11:0 : command_id |
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* 15:12 : reserved12 |
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*/ |
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u16 command; |
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u8 status; |
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/* |
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* 0 : phase |
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* 7:1 : reserved1 |
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*/ |
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u8 flags; |
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u16 extended_status; |
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/* |
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* indicates to the driver which AQ entry has been consumed by the |
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* device and could be reused |
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*/ |
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u16 sq_head_indx; |
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}; |
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struct efa_admin_acq_entry { |
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struct efa_admin_acq_common_desc acq_common_descriptor; |
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u32 response_specific_data[14]; |
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}; |
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struct efa_admin_aenq_common_desc { |
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u16 group; |
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u16 syndrom; |
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/* |
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* 0 : phase |
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* 7:1 : reserved - MBZ |
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*/ |
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u8 flags; |
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u8 reserved1[3]; |
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u32 timestamp_low; |
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u32 timestamp_high; |
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}; |
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struct efa_admin_aenq_entry { |
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struct efa_admin_aenq_common_desc aenq_common_desc; |
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/* command specific inline data */ |
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u32 inline_data_w4[12]; |
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}; |
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/* aq_common_desc */ |
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#define EFA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) |
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#define EFA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0) |
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#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1) |
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#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2) |
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/* acq_common_desc */ |
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#define EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0) |
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#define EFA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0) |
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/* aenq_common_desc */ |
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#define EFA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0) |
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#endif /* _EFA_ADMIN_H_ */
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