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

/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed 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, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and /or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef _QED_VF_H
#define _QED_VF_H

#include "qed_l2.h"
#include "qed_mcp.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;
	u8 num_cids;
	u8 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,
	PFVF_STATUS_MALICIOUS,
};

/* 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_PRE_FP_HSI     (1 << 0) /* VF pre-FP hsi version */
#define VFPF_ACQUIRE_CAP_100G		(1 << 1) /* VF can support 100g */
	/* A requirement for supporting multi-Tx queues on a single queue-zone,
	 * VF would pass qids as additional information whenever passing queue
	 * references.
	 */
#define VFPF_ACQUIRE_CAP_QUEUE_QIDS     BIT(2)

	/* The VF is using the physical bar. While this is mostly internal
	 * to the VF, might affect the number of CIDs supported assuming
	 * QUEUE_QIDS is set.
	 */
#define VFPF_ACQUIRE_CAP_PHYSICAL_BAR   BIT(3)
		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 eth_fp_hsi_major;
		u8 eth_fp_hsi_minor;
		u8 padding[3];
	} 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 {