path: root/drivers/net/ethernet/qlogic/qed/qed_vf.h

/* QLogic qed NIC Driver
 * Copyright (c) 2015 QLogic Corporation
 *
 * This software is available under the terms of the GNU General Public License
 * (GPL) Version 2, available from the file COPYING in the main directory of
 * this source tree.
 */

#ifndef _QED_VF_H
#define _QED_VF_H

#include "qed_l2.h"

#define T_ETH_INDIRECTION_TABLE_SIZE 128
#define T_ETH_RSS_KEY_SIZE 10

struct vf_pf_resc_request {
	u8 num_rxqs;
	u8 num_txqs;
	u8 num_sbs;
	u8 num_mac_filters;
	u8 num_vlan_filters;
	u8 num_mc_filters;
	u16 padding;
};

struct hw_sb_info {
	u16 hw_sb_id;
	u8 sb_qid;
	u8 padding[5];
};

#define TLV_BUFFER_SIZE                 1024

enum {
	PFVF_STATUS_WAITING,
	PFVF_STATUS_SUCCESS,
	PFVF_STATUS_FAILURE,
	PFVF_STATUS_NOT_SUPPORTED,
	PFVF_STATUS_NO_RESOURCE,
	PFVF_STATUS_FORCED,
};

/* vf pf channel tlvs */
/* general tlv header (used for both vf->pf request and pf->vf response) */
struct channel_tlv {
	u16 type;
	u16 length;
};

/* header of first vf->pf tlv carries the offset used to calculate reponse
 * buffer address
 */
struct vfpf_first_tlv {
	struct channel_tlv tl;
	u32 padding;
	u64 reply_address;
};

/* header of pf->vf tlvs, carries the status of handling the request */
struct pfvf_tlv {
	struct channel_tlv tl;
	u8 status;
	u8 padding[3];
};

/* response tlv used for most tlvs */
struct pfvf_def_resp_tlv {
	struct pfvf_tlv hdr;
};

/* used to terminate and pad a tlv list */
struct channel_list_end_tlv {
	struct channel_tlv tl;
	u8 padding[4];
};

#define VFPF_ACQUIRE_OS_LINUX (0)
#define VFPF_ACQUIRE_OS_WINDOWS (1)
#define VFPF_ACQUIRE_OS_ESX (2)
#define VFPF_ACQUIRE_OS_SOLARIS (3)
#define VFPF_ACQUIRE_OS_LINUX_USERSPACE (4)

struct vfpf_acquire_tlv {
	struct vfpf_first_tlv first_tlv;

	struct vf_pf_vfdev_info {
#define VFPF_ACQUIRE_CAP_OBSOLETE	(1 << 0)
#define VFPF_ACQUIRE_CAP_100G		(1 << 1) /* VF can support 100g */
		u64 capabilities;
		u8 fw_major;
		u8 fw_minor;
		u8 fw_revision;
		u8 fw_engineering;
		u32 driver_version;
		u16 opaque_fid;	/* ME register value */
		u8 os_type;	/* VFPF_ACQUIRE_OS_* value */
		u8 padding[5];
	} vfdev_info;

	struct vf_pf_resc_request resc_request;

	u64 bulletin_addr;
	u32 bulletin_size;
	u32 padding;
};

/* receive side scaling tlv */
struct vfpf_vport_update_rss_tlv {
	struct channel_tlv tl;

	u8 update_rss_flags;
#define VFPF_UPDATE_RSS_CONFIG_FLAG       BIT(0)
#define VFPF_UPDATE_RSS_CAPS_FLAG         BIT(1)
#define VFPF_UPDATE_RSS_IND_TABLE_FLAG    BIT(2)
#define VFPF_UPDATE_RSS_KEY_FLAG          BIT(3)

	u8 rss_enable;
	u8 rss_caps;
	u8 rss_table_size_log;	/* The table size is 2 ^ rss_table_size_log */
	u16 rss_ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
	u32 rss_key[T_ETH_RSS_KEY_SIZE];
};

struct pfvf_storm_stats {
	u32 address;
	u32 len;
};

struct pfvf_stats_info {
	struct pfvf_storm_stats mstats;
	struct pfvf_storm_stats pstats;
	struct pfvf_storm_stats tstats;
	struct pfvf_storm_stats ustats;
};

struct pfvf_acquire_resp_tlv {
	struct pfvf_tlv hdr;

	struct pf_vf_pfdev_info {
		u32 chip_num;
		u32 mfw_ver;

		u16 fw_major;
		u16 fw_minor;
		u16 fw_rev;
		u16 fw_eng;

		u64 capabilities;
#define PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED	BIT(0)
#define PFVF_ACQUIRE_CAP_100G			BIT(1)	/* If set, 100g PF */
/* There are old PF versions where the PF might mistakenly override the sanity
 * mechanism [version-based] and allow a VF that can't be supported to pass
 * the acquisition phase.
 * To overcome this, PFs now indicate that they're past that point and the new
 * VFs would fail probe on the older PFs that fail to do so.
 */
#define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE	BIT(2)

		u16 db_size;
		u8 indices_per_sb;
		u8 os_type;

		/* These should match the PF's qed_dev values */
		u16 chip_rev;
		u8 dev_type;

		u8 padding;

		struct pfvf_stats_info stats_info;

		u8 port_mac[ETH_ALEN];
		u8 padding2[2];
	} pfdev_info;

	struct pf_vf_resc {
#define PFVF_MAX_QUEUES_PER_VF		16
#define PFVF_MAX_SBS_PER_VF		16
		struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
		u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
		u8 cid[PFVF_MAX_QUEUES_PER_VF];

		u8 num_rxqs;
		u8 num_txqs;
		u8 num_sbs;
		u8 num_mac_filters;
		u8 num_vlan_filters;
		u8 num_mc_filters;
		u8 padding[2];
	} resc;

	u32 bulletin_size;
	u32 padding;
};

struct pfvf_start_queue_resp_tlv {
	struct pfvf_tlv hdr;
	u32 offset;		/* offset to consumer/producer of queue */
	u8 padding[4];
};

/* Setup Queue */
struct vfpf_start_rxq_tlv {
	struct vfpf_first_tlv first_tlv;

	/* physical addresses */
	u64 rxq_addr;
	u64 deprecated_sge_addr;
	u64 cqe_pbl_addr;

	u16 cqe_pbl_size;
	u16 hw_sb;
	u16 rx_qid;
	u16 hc_rate;		/* desired interrupts per sec. */

	u16 bd_max_bytes;
	u16 stat_id;
	u8 sb_index;
	u8 padding[3];
};

struct vfpf_start_txq_tlv {
	struct vfpf_first_tlv first_tlv;

	/* physical addresses */
	u64 pbl_addr;
	u16 pbl_size;
	u16 stat_id;
	u16 tx_qid;
	u16 hw_sb;

	u32 flags;		/* VFPF_QUEUE_FLG_X flags */
	u16 hc_rate;		/* desired interrupts per sec. */
	u8 sb_index;
	u8 padding[3];
};

/* Stop RX Queue */
struct vfpf_stop_rxqs_tlv {
	struct vfpf_first_tlv first_tlv;

	u16 rx_qid;
	u8 num_rxqs;
	u8 cqe_completion;
	u8 padding[4];
};

/* Stop TX Queues */
struct vfpf_stop_txqs_tlv {
	struct vfpf_first_tlv first_tlv;

	u16 tx_qid;
	u8 num_txqs;
	u8 padding[5];
};

struct vfpf_update_rxq_tlv {
	struct vfpf_first_tlv first_tlv;

	u64 deprecated_sge_addr[PFVF_MAX_QUEUES_PER_VF];

	u16 rx_qid;
	u8 num_rxqs;
	u8 flags;
#define VFPF_RXQ_UPD_INIT_SGE_DEPRECATE_FLAG    BIT(0)
#define VFPF_RXQ_UPD_COMPLETE_CQE_FLAG          BIT(1)
#define VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG        BIT(2)

	u8 padding[4];
};

/* Set Queue Filters */
struct vfpf_q_mac_vlan_filter {
	u32 flags;
#define VFPF_Q_FILTER_DEST_MAC_VALID    0x01
#define VFPF_Q_FILTER_VLAN_TAG_VALID    0x02
#define VFPF_Q_FILTER_SET_MAC           0x100	/* set/clear */

	u8 mac[ETH_ALEN];
	u16 vlan_tag;

	u8 padding[4];
};

/* Start a vport */
struct vfpf_vport_start_tlv {
	struct vfpf_first_tlv first_tlv;

	u64 sb_addr[PFVF_MAX_SBS_PER_VF];

	u32 tpa_mode;
	u16 dep1;
	u16 mtu;

	u8 vport_id;
	u8 inner_vlan_removal;

	u8 only_untagged;
	u8 max_buffers_per_cqe;

	u8 padding[4];
};

/* Extended tlvs - need to add rss, mcast, accept mode tlvs */
struct vfpf_vport_update_activate_tlv {
	struct channel_tlv tl;
	u8 update_rx;
	u8 update_tx;
	u8 active_rx;
	u8 active_tx;
};

struct vfpf_vport_update_mcast_bin_tlv {
	struct channel_tlv tl;
	u8 padding[4];

	u64 bins[8];
};

struct vfpf_vport_update_accept_param_tlv {
	struct c