diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_adminq.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_adminq.h | 110 | 
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h new file mode 100644 index 00000000000..b1552fbc48a --- /dev/null +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -0,0 +1,110 @@ +/******************************************************************************* + * + * Intel Ethernet Controller XL710 Family Linux Driver + * Copyright(c) 2013 - 2014 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program.  If not, see <http://www.gnu.org/licenses/>. + * + * The full GNU General Public License is included in this distribution in + * the file called "COPYING". + * + * Contact Information: + * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + ******************************************************************************/ + +#ifndef _I40E_ADMINQ_H_ +#define _I40E_ADMINQ_H_ + +#include "i40e_osdep.h" +#include "i40e_adminq_cmd.h" + +#define I40E_ADMINQ_DESC(R, i)   \ +	(&(((struct i40e_aq_desc *)((R).desc_buf.va))[i])) + +#define I40E_ADMINQ_DESC_ALIGNMENT 4096 + +struct i40e_adminq_ring { +	struct i40e_virt_mem dma_head;	/* space for dma structures */ +	struct i40e_dma_mem desc_buf;	/* descriptor ring memory */ +	struct i40e_virt_mem cmd_buf;	/* command buffer memory */ + +	union { +		struct i40e_dma_mem *asq_bi; +		struct i40e_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; +}; + +/* ASQ transaction details */ +struct i40e_asq_cmd_details { +	void *callback; /* cast from type I40E_ADMINQ_CALLBACK */ +	u64 cookie; +	u16 flags_ena; +	u16 flags_dis; +	bool async; +	bool postpone; +}; + +#define I40E_ADMINQ_DETAILS(R, i)   \ +	(&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i])) + +/* ARQ event information */ +struct i40e_arq_event_info { +	struct i40e_aq_desc desc; +	u16 msg_size; +	u8 *msg_buf; +}; + +/* Admin Queue information */ +struct i40e_adminq_info { +	struct i40e_adminq_ring arq;    /* receive queue */ +	struct i40e_adminq_ring asq;    /* send queue */ +	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 */ +	u16 api_maj_ver;                /* api major version */ +	u16 api_min_ver;                /* api minor version */ +	bool nvm_busy; + +	struct mutex asq_mutex; /* Send queue lock */ +	struct mutex arq_mutex; /* Receive queue lock */ + +	/* last status values on send and receive queues */ +	enum i40e_admin_queue_err asq_last_status; +	enum i40e_admin_queue_err arq_last_status; +}; + +/* general information */ +#define I40E_AQ_LARGE_BUF	512 +#define I40E_ASQ_CMD_TIMEOUT	100000  /* usecs */ + +void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc, +				       u16 opcode); + +#endif /* _I40E_ADMINQ_H_ */  | 
