ceph/src/spdk/dpdk/drivers/net/i40e/base/i40e_adminq.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2018
   3  */
   4
   5 #ifndef _I40E_ADMINQ_H_
   6 #define _I40E_ADMINQ_H_
   7
   8 #include "i40e_osdep.h"
   9 #include "i40e_status.h"
  10 #include "i40e_adminq_cmd.h"
  11
  12 #define I40E_ADMINQ_DESC(R, i)   \
  13         (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
  14
  15 #define I40E_ADMINQ_DESC_ALIGNMENT 4096
  16
  17 struct i40e_adminq_ring {
  18         struct i40e_virt_mem dma_head;  /* space for dma structures */
  19         struct i40e_dma_mem desc_buf;   /* descriptor ring memory */
  20         struct i40e_virt_mem cmd_buf;   /* command buffer memory */
  21
  22         union {
  23                 struct i40e_dma_mem *asq_bi;
  24                 struct i40e_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 i40e_asq_cmd_details {
  44         void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
  45         u64 cookie;
  46         u16 flags_ena;
  47         u16 flags_dis;
  48         bool async;
  49         bool postpone;
  50         struct i40e_aq_desc *wb_desc;
  51 };
  52
  53 #define I40E_ADMINQ_DETAILS(R, i)   \
  54         (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
  55
  56 /* ARQ event information */
  57 struct i40e_arq_event_info {
  58         struct i40e_aq_desc desc;
  59         u16 msg_len;
  60         u16 buf_len;
  61         u8 *msg_buf;
  62 };
  63
  64 /* Admin Queue information */
  65 struct i40e_adminq_info {
  66         struct i40e_adminq_ring arq;    /* receive queue */
  67         struct i40e_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 i40e_spinlock asq_spinlock; /* Send queue spinlock */
  80         struct i40e_spinlock arq_spinlock; /* Receive queue spinlock */
  81
  82         /* last status values on send and receive queues */
  83         enum i40e_admin_queue_err asq_last_status;
  84         enum i40e_admin_queue_err arq_last_status;
  85 };
  86
  87 /**
  88  * i40e_aq_rc_to_posix - convert errors to user-land codes
  89  * aq_ret: AdminQ handler error code can override aq_rc
  90  * aq_rc: AdminQ firmware error code to convert
  91  **/
  92 STATIC INLINE int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
  93 {
  94         int aq_to_posix[] = {
  95                 0,           /* I40E_AQ_RC_OK */
  96                 -EPERM,      /* I40E_AQ_RC_EPERM */
  97                 -ENOENT,     /* I40E_AQ_RC_ENOENT */
  98                 -ESRCH,      /* I40E_AQ_RC_ESRCH */
  99                 -EINTR,      /* I40E_AQ_RC_EINTR */
 100                 -EIO,        /* I40E_AQ_RC_EIO */
 101                 -ENXIO,      /* I40E_AQ_RC_ENXIO */
 102                 -E2BIG,      /* I40E_AQ_RC_E2BIG */
 103                 -EAGAIN,     /* I40E_AQ_RC_EAGAIN */
 104                 -ENOMEM,     /* I40E_AQ_RC_ENOMEM */
 105                 -EACCES,     /* I40E_AQ_RC_EACCES */
 106                 -EFAULT,     /* I40E_AQ_RC_EFAULT */
 107                 -EBUSY,      /* I40E_AQ_RC_EBUSY */
 108                 -EEXIST,     /* I40E_AQ_RC_EEXIST */
 109                 -EINVAL,     /* I40E_AQ_RC_EINVAL */
 110                 -ENOTTY,     /* I40E_AQ_RC_ENOTTY */
 111                 -ENOSPC,     /* I40E_AQ_RC_ENOSPC */
 112                 -ENOSYS,     /* I40E_AQ_RC_ENOSYS */
 113                 -ERANGE,     /* I40E_AQ_RC_ERANGE */
 114                 -EPIPE,      /* I40E_AQ_RC_EFLUSHED */
 115                 -ESPIPE,     /* I40E_AQ_RC_BAD_ADDR */
 116                 -EROFS,      /* I40E_AQ_RC_EMODE */
 117                 -EFBIG,      /* I40E_AQ_RC_EFBIG */
 118         };
 119
 120         /* aq_rc is invalid if AQ timed out */
 121         if (aq_ret == I40E_ERR_ADMIN_QUEUE_TIMEOUT)
 122                 return -EAGAIN;
 123
 124         if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
 125                 return -ERANGE;
 126
 127         return aq_to_posix[aq_rc];
 128 }
 129
 130 /* general information */
 131 #define I40E_AQ_LARGE_BUF       512
 132 #define I40E_ASQ_CMD_TIMEOUT    250000  /* usecs */
 133
 134 void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
 135                                        u16 opcode);
 136
 137 #endif /* _I40E_ADMINQ_H_ */