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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #ifndef _IAVF_ADMINQ_H_ #define _IAVF_ADMINQ_H_ #include "iavf_osdep.h" #include "iavf_status.h" #include "iavf_adminq_cmd.h" #define IAVF_ADMINQ_DESC(R, i) \ (&(((struct iavf_aq_desc *)((R).desc_buf.va))[i])) #define IAVF_ADMINQ_DESC_ALIGNMENT 4096 struct iavf_adminq_ring { struct iavf_virt_mem dma_head; /* space for dma structures */ struct iavf_dma_mem desc_buf; /* descriptor ring memory */ struct iavf_virt_mem cmd_buf; /* command buffer memory */ union { struct iavf_dma_mem *asq_bi; struct iavf_dma_mem *arq_bi; } r; u16 count; /* Number of descriptors */ u16 rx_buf_len; /* Admin Receive Queue buffer length */ /* 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; }; /* ASQ transaction details */ struct iavf_asq_cmd_details { void *callback; /* cast from type IAVF_ADMINQ_CALLBACK */ u64 cookie; u16 flags_ena; u16 flags_dis; bool async; bool postpone; struct iavf_aq_desc *wb_desc; }; #define IAVF_ADMINQ_DETAILS(R, i) \ (&(((struct iavf_asq_cmd_details *)((R).cmd_buf.va))[i])) /* ARQ event information */ struct iavf_arq_event_info { struct iavf_aq_desc desc; u16 msg_len; u16 buf_len; u8 *msg_buf; }; /* Admin Queue information */ struct iavf_adminq_info { struct iavf_adminq_ring arq; /* receive queue */ struct iavf_adminq_ring asq; /* send queue */ u32 asq_cmd_timeout; /* send queue cmd write back timeout*/ u16 num_arq_entries; /* receive queue depth */ u16 num_asq_entries; /* send queue depth */ u16 arq_buf_size; /* receive queue buffer size */ u16 asq_buf_size; /* send queue buffer size */ u16 fw_maj_ver; /* firmware major version */ u16 fw_min_ver; /* firmware minor version */ u32 fw_build; /* firmware build number */ u16 api_maj_ver; /* api major version */ u16 api_min_ver; /* api minor version */ struct mutex asq_mutex; /* Send queue lock */ struct mutex arq_mutex; /* Receive queue lock */ /* last status values on send and receive queues */ enum iavf_admin_queue_err asq_last_status; enum iavf_admin_queue_err arq_last_status; }; /** * iavf_aq_rc_to_posix - convert errors to user-land codes * @aq_ret: AdminQ handler error code can override aq_rc * @aq_rc: AdminQ firmware error code to convert **/ static inline int iavf_aq_rc_to_posix(int aq_ret, int aq_rc) { int aq_to_posix[] = { 0, /* IAVF_AQ_RC_OK */ -EPERM, /* IAVF_AQ_RC_EPERM */ -ENOENT, /* IAVF_AQ_RC_ENOENT */ -ESRCH, /* IAVF_AQ_RC_ESRCH */ -EINTR, /* IAVF_AQ_RC_EINTR */ -EIO, /* IAVF_AQ_RC_EIO */ -ENXIO, /* IAVF_AQ_RC_ENXIO */ -E2BIG, /* IAVF_AQ_RC_E2BIG */ -EAGAIN, /* IAVF_AQ_RC_EAGAIN */ -ENOMEM, /* IAVF_AQ_RC_ENOMEM */ -EACCES, /* IAVF_AQ_RC_EACCES */ -EFAULT, /* IAVF_AQ_RC_EFAULT */ -EBUSY, /* IAVF_AQ_RC_EBUSY */ -EEXIST, /* IAVF_AQ_RC_EEXIST */ -EINVAL, /* IAVF_AQ_RC_EINVAL */ -ENOTTY, /* IAVF_AQ_RC_ENOTTY */ -ENOSPC, /* IAVF_AQ_RC_ENOSPC */ -ENOSYS, /* IAVF_AQ_RC_ENOSYS */ -ERANGE, /* IAVF_AQ_RC_ERANGE */ -EPIPE, /* IAVF_AQ_RC_EFLUSHED */ -ESPIPE, /* IAVF_AQ_RC_BAD_ADDR */ -EROFS, /* IAVF_AQ_RC_EMODE */ -EFBIG, /* IAVF_AQ_RC_EFBIG */ }; /* aq_rc is invalid if AQ timed out */ if (aq_ret == IAVF_ERR_ADMIN_QUEUE_TIMEOUT) return -EAGAIN; if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0])))) return -ERANGE; return aq_to_posix[aq_rc]; } /* general information */ #define IAVF_AQ_LARGE_BUF 512 #define IAVF_ASQ_CMD_TIMEOUT 250000 /* usecs */ void iavf_fill_default_direct_cmd_desc(struct iavf_aq_desc *desc, u16 opcode); #endif /* _IAVF_ADMINQ_H_ */ |