| /* 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; |
| }; |
| |
| /* 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_ */ |