1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2021 Intel Corporation 3 */ 4 5 #ifndef _IAVF_ADMINQ_H_ 6 #define _IAVF_ADMINQ_H_ 7 8 #include "iavf_osdep.h" 9 #include "iavf_status.h" 10 #include "iavf_adminq_cmd.h" 11 12 #define IAVF_ADMINQ_DESC(R, i) \ 13 (&(((struct iavf_aq_desc *)((R).desc_buf.va))[i])) 14 15 #define IAVF_ADMINQ_DESC_ALIGNMENT 4096 16 17 struct iavf_adminq_ring { 18 struct iavf_virt_mem dma_head; /* space for dma structures */ 19 struct iavf_dma_mem desc_buf; /* descriptor ring memory */ 20 struct iavf_virt_mem cmd_buf; /* command buffer memory */ 21 22 union { 23 struct iavf_dma_mem *asq_bi; 24 struct iavf_dma_mem *arq_bi; 25 } r; 26 27 u16 count; /* Number of descriptors */ 28 u16 rx_buf_len; /* Admin Receive Queue buffer length */ 29 30 /* used for interrupt processing */ 31 u16 next_to_use; 32 u16 next_to_clean; 33 34 /* used for queue tracking */ 35 u32 head; 36 u32 tail; 37 u32 len; 38 u32 bah; 39 u32 bal; 40 }; 41 42 /* ASQ transaction details */ 43 struct iavf_asq_cmd_details { 44 void *callback; /* cast from type IAVF_ADMINQ_CALLBACK */ 45 u64 cookie; 46 u16 flags_ena; 47 u16 flags_dis; 48 bool async; 49 bool postpone; 50 struct iavf_aq_desc *wb_desc; 51 }; 52 53 #define IAVF_ADMINQ_DETAILS(R, i) \ 54 (&(((struct iavf_asq_cmd_details *)((R).cmd_buf.va))[i])) 55 56 /* ARQ event information */ 57 struct iavf_arq_event_info { 58 struct iavf_aq_desc desc; 59 u16 msg_len; 60 u16 buf_len; 61 u8 *msg_buf; 62 }; 63 64 /* Admin Queue information */ 65 struct iavf_adminq_info { 66 struct iavf_adminq_ring arq; /* receive queue */ 67 struct iavf_adminq_ring asq; /* send queue */ 68 u32 asq_cmd_timeout; /* send queue cmd write back timeout*/ 69 u16 num_arq_entries; /* receive queue depth */ 70 u16 num_asq_entries; /* send queue depth */ 71 u16 arq_buf_size; /* receive queue buffer size */ 72 u16 asq_buf_size; /* send queue buffer size */ 73 u16 fw_maj_ver; /* firmware major version */ 74 u16 fw_min_ver; /* firmware minor version */ 75 u32 fw_build; /* firmware build number */ 76 u16 api_maj_ver; /* api major version */ 77 u16 api_min_ver; /* api minor version */ 78 79 struct iavf_spinlock asq_spinlock; /* Send queue spinlock */ 80 struct iavf_spinlock arq_spinlock; /* Receive queue spinlock */ 81 82 /* last status values on send and receive queues */ 83 enum iavf_admin_queue_err asq_last_status; 84 enum iavf_admin_queue_err arq_last_status; 85 }; 86 87 /* general information */ 88 #define IAVF_AQ_LARGE_BUF 512 89 #define IAVF_ASQ_CMD_TIMEOUT 250000 /* usecs */ 90 91 void iavf_fill_default_direct_cmd_desc(struct iavf_aq_desc *desc, 92 u16 opcode); 93 94 #endif /* _IAVF_ADMINQ_H_ */ 95