PI_CMD_REQ_K_SIZE_MAX
PI_CMD_REQ_K_SIZE_MAX +
curr_v += PI_CMD_REQ_K_SIZE_MAX;
curr_p += PI_CMD_REQ_K_SIZE_MAX;
memset(bp->cmd_req_virt, 0, PI_CMD_REQ_K_SIZE_MAX); /* first clear buffer */
PI_XMT_DESCR_M_EOP | (PI_CMD_REQ_K_SIZE_MAX << PI_XMT_DESCR_V_SEG_LEN));
PI_CMD_REQ_K_SIZE_MAX + PI_CMD_RSP_K_SIZE_MAX +
PI_CMD_REQ_K_SIZE_MAX + PI_CMD_RSP_K_SIZE_MAX +
char pad[PI_CMD_REQ_K_SIZE_MAX];