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i40evf: init code and hardware support
This patch implements the hardware specific init and management. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Jeff Kirsher
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Jan 1, 2014
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/******************************************************************************* | ||
* | ||
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver | ||
* Copyright(c) 2013 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. | ||
* | ||
* 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 | ||
* | ||
******************************************************************************/ | ||
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#ifndef _I40E_ADMINQ_H_ | ||
#define _I40E_ADMINQ_H_ | ||
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#include "i40e_osdep.h" | ||
#include "i40e_adminq_cmd.h" | ||
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#define I40E_ADMINQ_DESC(R, i) \ | ||
(&(((struct i40e_aq_desc *)((R).desc_buf.va))[i])) | ||
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#define I40E_ADMINQ_DESC_ALIGNMENT 4096 | ||
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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 */ | ||
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union { | ||
struct i40e_dma_mem *asq_bi; | ||
struct i40e_dma_mem *arq_bi; | ||
} r; | ||
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u16 count; /* Number of descriptors */ | ||
u16 rx_buf_len; /* Admin Receive Queue buffer length */ | ||
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/* used for interrupt processing */ | ||
u16 next_to_use; | ||
u16 next_to_clean; | ||
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/* used for queue tracking */ | ||
u32 head; | ||
u32 tail; | ||
u32 len; | ||
}; | ||
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/* 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; | ||
}; | ||
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#define I40E_ADMINQ_DETAILS(R, i) \ | ||
(&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i])) | ||
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/* ARQ event information */ | ||
struct i40e_arq_event_info { | ||
struct i40e_aq_desc desc; | ||
u16 msg_size; | ||
u8 *msg_buf; | ||
}; | ||
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/* 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 */ | ||
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struct mutex asq_mutex; /* Send queue lock */ | ||
struct mutex arq_mutex; /* Receive queue lock */ | ||
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/* last status values on send and receive queues */ | ||
enum i40e_admin_queue_err asq_last_status; | ||
enum i40e_admin_queue_err arq_last_status; | ||
}; | ||
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/* general information */ | ||
#define I40E_AQ_LARGE_BUF 512 | ||
#define I40E_ASQ_CMD_TIMEOUT 100000 /* usecs */ | ||
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void i40evf_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc, | ||
u16 opcode); | ||
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#endif /* _I40E_ADMINQ_H_ */ |
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