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/*
* QLogic qlcnic NIC Driver
* Copyright (c) 2009-2013 QLogic Corporation
*
* See LICENSE.qlcnic for copyright and licensing details.
*/
#ifndef _QLCNIC_83XX_SRIOV_H_
#define _QLCNIC_83XX_SRIOV_H_
#include "qlcnic.h"
#include <linux/types.h>
#include <linux/pci.h>
extern const u32 qlcnic_83xx_reg_tbl[];
extern const u32 qlcnic_83xx_ext_reg_tbl[];
struct qlcnic_bc_payload {
u64 payload[126];
};
struct qlcnic_bc_hdr {
#if defined(__LITTLE_ENDIAN)
u8 version;
u8 msg_type:4;
u8 rsvd1:3;
u8 op_type:1;
u8 num_cmds;
u8 num_frags;
u8 frag_num;
u8 cmd_op;
u16 seq_id;
u64 rsvd3;
#elif defined(__BIG_ENDIAN)
u8 num_frags;
u8 num_cmds;
u8 op_type:1;
u8 rsvd1:3;
u8 msg_type:4;
u8 version;
u16 seq_id;
u8 cmd_op;
u8 frag_num;
u64 rsvd3;
#endif
};
enum qlcnic_bc_commands {
QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
};
#define QLC_BC_CMD 1
struct qlcnic_trans_list {
/* Lock for manipulating list */
spinlock_t lock;
struct list_head wait_list;
int count;
};
enum qlcnic_trans_state {
QLC_INIT = 0,
QLC_WAIT_FOR_CHANNEL_FREE,
QLC_WAIT_FOR_RESP,
QLC_ABORT,
QLC_END,
};
struct qlcnic_bc_trans {
u8 func_id;
u8 active;
u8 curr_rsp_frag;
u8 curr_req_frag;
u16 cmd_id;
u16 req_pay_size;
u16 rsp_pay_size;
u32 trans_id;
enum qlcnic_trans_state trans_state;
struct list_head list;
struct qlcnic_bc_hdr *req_hdr;
struct qlcnic_bc_hdr *rsp_hdr;
struct qlcnic_bc_payload *req_pay;
struct qlcnic_bc_payload *rsp_pay;
struct completion resp_cmpl;
struct qlcnic_vf_info *vf;
};
enum qlcnic_vf_state {
QLC_BC_VF_SEND = 0,
QLC_BC_VF_RECV,
QLC_BC_VF_CHANNEL,
QLC_BC_VF_STATE,
};
struct qlcnic_resources {
u16 num_tx_mac_filters;
u16 num_rx_ucast_mac_filters;
u16 num_rx_mcast_mac_filters;
u16 num_txvlan_keys;
u16 num_rx_queues;
u16 num_tx_queues;
u16 num_rx_buf_rings;
u16 num_rx_status_rings;
u16 num_destip;
u32 num_lro_flows_supported;
u16 max_local_ipv6_addrs;
u16 max_remote_ipv6_addrs;
};
struct qlcnic_vport {
u16 handle;
u8 mac[6];
};
struct qlcnic_vf_info {
u8 pci_func;
unsigned long state;
struct completion ch_free_cmpl;
struct work_struct trans_work;
/* It synchronizes commands sent from VF */
struct mutex send_cmd_lock;
struct qlcnic_bc_trans *send_cmd;
struct qlcnic_trans_list rcv_act;
struct qlcnic_trans_list rcv_pend;
struct qlcnic_adapter *adapter;
struct qlcnic_vport *vp;
};
struct qlcnic_back_channel {
u16 trans_counter;
struct workqueue_struct *bc_trans_wq;
};
struct qlcnic_sriov {
u16 vp_handle;
u8 num_vfs;
struct qlcnic_resources ff_max;
struct qlcnic_back_channel bc;
struct qlcnic_vf_info *vf_info;
};
int qlcnic_sriov_init(struct qlcnic_adapter *, int);
void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8);
void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
{
return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
}
#ifdef CONFIG_QLCNIC_SRIOV
void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
struct qlcnic_bc_trans *,
struct qlcnic_cmd_args *);
void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
int qlcnic_pci_sriov_configure(struct pci_dev *, int);
#else
static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
#endif
#endif
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