[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.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_SRIOV_H
#define _QED_SRIOV_H
#include <linux/types.h>
#include "qed_vf.h"

#define QED_ETH_VF_NUM_MAC_FILTERS 1
#define QED_ETH_VF_NUM_VLAN_FILTERS 2
#define QED_VF_ARRAY_LENGTH (3)

#ifdef CONFIG_QED_SRIOV
#define IS_VF(cdev)             ((cdev)->b_is_vf)
#define IS_PF(cdev)             (!((cdev)->b_is_vf))
#define IS_PF_SRIOV(p_hwfn)     (!!((p_hwfn)->cdev->p_iov_info))
#else
#define IS_VF(cdev)             (0)
#define IS_PF(cdev)             (1)
#define IS_PF_SRIOV(p_hwfn)     (0)
#endif
#define IS_PF_SRIOV_ALLOC(p_hwfn)       (!!((p_hwfn)->pf_iov_info))

#define QED_MAX_VF_CHAINS_PER_PF 16

#define QED_ETH_MAX_VF_NUM_VLAN_FILTERS	\
	(MAX_NUM_VFS * QED_ETH_VF_NUM_VLAN_FILTERS)

enum qed_iov_vport_update_flag {
	QED_IOV_VP_UPDATE_ACTIVATE,
	QED_IOV_VP_UPDATE_VLAN_STRIP,
	QED_IOV_VP_UPDATE_TX_SWITCH,
	QED_IOV_VP_UPDATE_MCAST,
	QED_IOV_VP_UPDATE_ACCEPT_PARAM,
	QED_IOV_VP_UPDATE_RSS,
	QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN,
	QED_IOV_VP_UPDATE_SGE_TPA,
	QED_IOV_VP_UPDATE_MAX,
};

struct qed_public_vf_info {
	/* These copies will later be reflected in the bulletin board,
	 * but this copy should be newer.
	 */
	u8 forced_mac[ETH_ALEN];
	u16 forced_vlan;
	u8 mac[ETH_ALEN];

	/* IFLA_VF_LINK_STATE_<X> */
	int link_state;

	/* Currently configured Tx rate in MB/sec. 0 if unconfigured */
	int tx_rate;

	/* Trusted VFs can configure promiscuous mode.
	 * Also store shadow promisc configuration if needed.
	 */
	bool is_trusted_configured;
	bool is_trusted_request;
	u8 rx_accept_mode;
	u8 tx_accept_mode;
};

struct qed_iov_vf_init_params {
	u16 rel_vf_id;

	/* Number of requested Queues; Currently, don't support different
	 * number of Rx/Tx queues.
	 */

	u16 num_queues;

	/* Allow the client to choose which qzones to use for Rx/Tx,
	 * and which queue_base to use for Tx queues on a per-queue basis.
	 * Notice values should be relative to the PF resources.
	 */
	u16 req_rx_queue[QED_MAX_VF_CHAINS_PER_PF];
	u16 req_tx_queue[QED_MAX_VF_CHAINS_PER_PF];
};

/* This struct is part of qed_dev and contains data relevant to all hwfns;
 * Initialized only if SR-IOV cpabability is exposed in PCIe config space.
 */
struct qed_hw_sriov_info {
	int pos;		/* capability position */
	int nres;		/* number of resources */
	u32 cap;		/* SR-IOV Capabilities */
	u16 ctrl;		/* SR-IOV Control */
	u16 total_vfs;		/* total VFs associated with the PF */
	u16 num_vfs;		/* number of vfs that have been started */
	u16 initial_vfs;	/* initial VFs associated with the PF */
	u16 nr_virtfn;		/* number of VFs available */
	u16 offset;		/* first VF Routing ID offset */
	u16 stride;		/* following VF stride */
	u16 vf_device_id;	/* VF device id */
	u32 pgsz;		/* page size for BAR alignment */
	u8 link;		/* Function Dependency Link */

	u32 first_vf_in_pf;
};

/* This mailbox is maintained per VF in its PF contains all information
 * required for sending / receiving a message.
 */
struct qed_iov_vf_mbx {
	union vfpf_tlvs *req_virt;
	dma_addr_t req_phys;
	union pfvf_tlvs *reply_virt;
	dma_addr_t reply_phys;

	/* Address in VF where a pending message is located */
	dma_addr_t pending_req;

	/* Message from VF awaits handling */
	bool b_pending_msg;

	u8 *offset;

	/* saved VF request header */
	struct vfpf_first_tlv first_tlv;
};

#define QED_IOV_LEGACY_QID_RX (0)
#define QED_IOV_LEGACY_QID_TX (1)
#define QED_IOV_QID_INVALID (0xFE)

struct qed_vf_queue_cid {
	bool b_is_tx;
	struct qed_queue_cid *p_cid;
};

/* Describes a qzone associated with the VF */
struct qed_vf_queue {
	u16 fw_rx_qid;
	u16 fw_tx_qid;

	struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
};

enum vf_state {
	VF_FREE = 0,		/* VF ready to be acquired holds no resc */
	VF_ACQUIRED,		/* VF, acquired, but not initalized */
	VF_ENABLED,		/* VF, Enabled */
	VF_RESET,		/* VF, FLR'd, pending cleanup */
	VF_STOPPED		/* VF, Stopped */
};

struct qed_vf_vlan_shadow {
	bool used;
	u16 vid;
};

struct qed_vf_shadow_config {
	/* Shadow copy of all guest vlans */
	struct qed_vf_vlan_shadow vlans[QED_ETH_VF_NUM_VLAN_FILTERS + 1];

	/* Shadow copy of all configured MACs; Empty if forcing MACs */
	u8 macs[QED_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
	u8 inner_vlan_removal;
};

/* PFs maintain an array of this structure, per VF */
struct qed_vf_info {
	struct qed_iov_vf_mbx vf_mbx;
	enum vf_state state;
	bool b_init;
	bool b_malicious;
	u8 to_disable;

	struct qed_bulletin bulletin;
	dma_addr_t vf_bulletin;

	/* PF saves a copy of the last VF acquire message */
	struct vfpf_acquire_tlv acquire;

	u32 concrete_fid;
	u16 opaque_fid;
	u16 mtu;

	u8 vport_id;
	u8 relative_vf_id;
	u8 abs_vf_id;
#define QED_VF_ABS_ID(p_hwfn, p_vf)	(QED_PATH_ID(p_hwfn) ?		      \
					 (p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
					 (p_vf)->abs_vf_id)

	u8 vport_instance;
	u8 num_rxqs;
	u8 num_txqs;

	u16 rx_coal;
	u16 tx_coal;

	u8 num_sbs;

	u8 num_mac_filters;
	u8 num_vlan_filters;

	struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
	u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
	u8 num_active_rxqs;
	struct qed_public_vf_info p_vf_info;
	bool spoof_chk;
	bool req_spoofchk_val;

	/* Stores the configuration requested by VF */
	struct qed_vf_shadow_config shadow_config;

	/* A bitfield using bulletin's valid-map bits, used to indicate
	 * which of the bulletin board features have been configured.
	 */
	u64 configured_features;
#define QED_IOV_CONFIGURED_FEATURES_MASK        ((1 << MAC_ADDR_FORCED) | \
						 (1 << VLAN_ADDR_FORCED))
};

/* This structure is part of qed_hwfn and used only for PFs that have sriov
 * capability enabled.
 */
struct qed_pf_iov {
	struct qed_vf_info vfs_array[MAX_NUM_VFS];
	u64 pending_flr[QED_VF_ARRAY_LENGTH];

	/* Allocate message address continuosuly and split to each VF */
	void *mbx_msg_virt_addr;
	dma_addr_t mbx_msg_phys_addr;
	u32 mbx_msg_size;
	void *mbx_reply_virt_addr;
	dma_addr_t mbx_reply_phys_addr;
	u32 mbx_reply_size;
	void *p_bulletins;
	dma_addr_t bulletins_phys;
	u32 bulletins_size;
};

enum qed_iov_wq_flag {
	QED_IOV_WQ_MSG_FLAG,
	QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
	QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
	QED_IOV_WQ_STOP_WQ_FLAG,
	QED_IOV_WQ_FLR_FLAG,
	QED_IOV_WQ_TRUST_FLAG,
	QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
};

#ifdef CONFIG_QED_SRIOV
/**
 * @brief Check if given VF ID @vfid is valid
 *        w.r.t. @b_enabled_only value
 *        if b_enabled_only = true - only enabled VF id is valid
 *        else any VF id less than max_vfs is valid
 *
 * @param p_hwfn
 * @param rel_vf_id - Relative VF ID
 * @param b_enabled_only - consider only enabled VF
 * @param b_non_malicious - true iff we want to validate vf isn't malicious.
 *
 * @return bool - true for valid VF ID
 */
bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
			   int rel_vf_id,
			   bool b_enabled_only, bool b_non_malicious);

/**
 * @brief - Given a VF index, return index of next [including that] active VF.
 *
 * @param p_hwfn
 * @param rel_vf_id
 *
 * @return MAX_NUM_VFS in case no further active VFs, otherwise index.
 */
u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id);

void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
				    int vfid, u16 vxlan_port, u16 geneve_port);

/**
 * @brief Read sriov related information and allocated resources
 *  reads from configuration space, shmem, etc.
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_iov_hw_info(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_add_tlv - place a given tlv on the tlv buffer at next offset
 *
 * @param p_hwfn
 * @param p_iov
 * @param type
 * @param length
 *
 * @return pointer to the newly placed tlv
 */
void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length);

/**
 * @brief list the types and lengths of the tlvs on the buffer
 *
 * @param p_hwfn
 * @param tlvs_list
 */
void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list);

/**
 * @brief qed_iov_alloc - allocate sriov related resources
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_iov_alloc(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_iov_setup - setup sriov related resources
 *
 * @param p_hwfn
 */
void qed_iov_setup(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_iov_free - free sriov related resources
 *
 * @param p_hwfn
 */
void qed_iov_free(struct qed_hwfn *p_hwfn);

/**
 * @brief free sriov related memory that was allocated during hw_prepare
 *
 * @param cdev
 */
void qed_iov_free_hw_info(struct qed_dev *cdev);

/**
 * @brief Mark structs of vfs that have been FLR-ed.
 *
 * @param p_hwfn
 * @param disabled_vfs - bitmask of all VFs on path that were FLRed
 *
 * @return true iff one of the PF's vfs got FLRed. false otherwise.
 */
bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *disabled_vfs);

/**
 * @brief Search extended TLVs in request/reply buffer.
 *
 * @param p_hwfn
 * @param p_tlvs_list - Pointer to tlvs list
 * @param req_type - Type of TLV
 *
 * @return pointer to tlv type if found, otherwise returns NULL.
 */
void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
			       void *p_tlvs_list, u16 req_type);

void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first);
int qed_iov_wq_start(struct qed_dev *cdev);

void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag);
void qed_vf_start_iov_wq(struct qed_dev *cdev);
int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled);
void qed_inform_vf_link_state(struct qed_hwfn *hwfn);
#else
static inline bool
qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
		      int rel_vf_id, bool b_enabled_only, bool b_non_malicious)
{
	return false;
}

static inline u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn,
					     u16 rel_vf_id)
{
	return MAX_NUM_VFS;
}

static inline void
qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, int vfid,
			       u16 vxlan_port, u16 geneve_port)
{
}

static inline int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
{
	return 0;
}

static inline int qed_iov_alloc(struct qed_hwfn *p_hwfn)
{
	return 0;
}

static inline void qed_iov_setup(struct qed_hwfn *p_hwfn)
{
}

static inline void qed_iov_free(struct qed_hwfn *p_hwfn)
{
}

static inline void qed_iov_free_hw_info(struct qed_dev *cdev)
{
}

static inline bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn,
				       u32 *disabled_vfs)
{
	return false;
}

static inline void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
{
}

static inline int qed_iov_wq_start(struct qed_dev *cdev)
{
	return 0;
}

static inline void qed_schedule_iov(struct qed_hwfn *hwfn,
				    enum qed_iov_wq_flag flag)
{
}

static inline void qed_vf_start_iov_wq(struct qed_dev *cdev)
{
}

static inline int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
{
	return 0;
}

static inline void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
{
}
#endif

#define qed_for_each_vf(_p_hwfn, _i)			  \
	for (_i = qed_iov_get_next_active_vf(_p_hwfn, 0); \
	     _i < MAX_NUM_VFS;				  \
	     _i = qed_iov_get_next_active_vf(_p_hwfn, _i + 1))

#endif
Commit	Line	Data
32a47e72	1	/* QLogic qed NIC Driver
e8f1cb50	2	* Copyright (c) 2015-2017 QLogic Corporation
32a47e72	3	*
e8f1cb50 MY	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and /or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
32a47e72 YM	31	*/
	32
	33	#ifndef _QED_SRIOV_H
	34	#define _QED_SRIOV_H
	35	#include <linux/types.h>
	36	#include "qed_vf.h"
1cf2b1a9 YM	37
	38	#define QED_ETH_VF_NUM_MAC_FILTERS 1
	39	#define QED_ETH_VF_NUM_VLAN_FILTERS 2
32a47e72 YM	40	#define QED_VF_ARRAY_LENGTH (3)
32a47e72 YM	41
14b84e86	42	#ifdef CONFIG_QED_SRIOV
32a47e72 YM	43	#define IS_VF(cdev) ((cdev)->b_is_vf)
32a47e72 YM	44	#define IS_PF(cdev) (!((cdev)->b_is_vf))
32a47e72 YM	45	#define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info))
32a47e72 YM	46	#else
14b84e86 AB	47	#define IS_VF(cdev) (0)
14b84e86 AB	48	#define IS_PF(cdev) (1)
32a47e72 YM	49	#define IS_PF_SRIOV(p_hwfn) (0)
	50	#endif
	51	#define IS_PF_SRIOV_ALLOC(p_hwfn) (!!((p_hwfn)->pf_iov_info))
	52
1408cc1f	53	#define QED_MAX_VF_CHAINS_PER_PF 16
1408cc1f	54
08feecd7 YM	55	#define QED_ETH_MAX_VF_NUM_VLAN_FILTERS \
	56	(MAX_NUM_VFS * QED_ETH_VF_NUM_VLAN_FILTERS)
	57
dacd88d6 YM	58	enum qed_iov_vport_update_flag {
dacd88d6 YM	59	QED_IOV_VP_UPDATE_ACTIVATE,
17b235c1 YM	60	QED_IOV_VP_UPDATE_VLAN_STRIP,
17b235c1 YM	61	QED_IOV_VP_UPDATE_TX_SWITCH,
dacd88d6 YM	62	QED_IOV_VP_UPDATE_MCAST,
	63	QED_IOV_VP_UPDATE_ACCEPT_PARAM,
	64	QED_IOV_VP_UPDATE_RSS,
17b235c1 YM	65	QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN,
17b235c1 YM	66	QED_IOV_VP_UPDATE_SGE_TPA,
dacd88d6 YM	67	QED_IOV_VP_UPDATE_MAX,
	68	};
	69
0b55e27d YM	70	struct qed_public_vf_info {
	71	/* These copies will later be reflected in the bulletin board,
	72	* but this copy should be newer.
	73	*/
eff16960	74	u8 forced_mac[ETH_ALEN];
08feecd7	75	u16 forced_vlan;
0b55e27d	76	u8 mac[ETH_ALEN];
733def6a YM	77
	78	/* IFLA_VF_LINK_STATE_<X> */
	79	int link_state;
	80
	81	/* Currently configured Tx rate in MB/sec. 0 if unconfigured */
	82	int tx_rate;
f990c82c MY	83
	84	/* Trusted VFs can configure promiscuous mode.
	85	* Also store shadow promisc configuration if needed.
	86	*/
	87	bool is_trusted_configured;
	88	bool is_trusted_request;
	89	u8 rx_accept_mode;
	90	u8 tx_accept_mode;
0b55e27d YM	91	};
0b55e27d YM	92
3da7a37a MY	93	struct qed_iov_vf_init_params {
	94	u16 rel_vf_id;
	95
	96	/* Number of requested Queues; Currently, don't support different
	97	* number of Rx/Tx queues.
	98	*/
	99
	100	u16 num_queues;
	101
	102	/* Allow the client to choose which qzones to use for Rx/Tx,
	103	* and which queue_base to use for Tx queues on a per-queue basis.
	104	* Notice values should be relative to the PF resources.
	105	*/
	106	u16 req_rx_queue[QED_MAX_VF_CHAINS_PER_PF];
	107	u16 req_tx_queue[QED_MAX_VF_CHAINS_PER_PF];
	108	};
	109
32a47e72 YM	110	/* This struct is part of qed_dev and contains data relevant to all hwfns;
	111	* Initialized only if SR-IOV cpabability is exposed in PCIe config space.
	112	*/
	113	struct qed_hw_sriov_info {
	114	int pos; /* capability position */
	115	int nres; /* number of resources */
	116	u32 cap; /* SR-IOV Capabilities */
	117	u16 ctrl; /* SR-IOV Control */
	118	u16 total_vfs; /* total VFs associated with the PF */
	119	u16 num_vfs; /* number of vfs that have been started */
	120	u16 initial_vfs; /* initial VFs associated with the PF */
	121	u16 nr_virtfn; /* number of VFs available */
	122	u16 offset; /* first VF Routing ID offset */
	123	u16 stride; /* following VF stride */
	124	u16 vf_device_id; /* VF device id */
	125	u32 pgsz; /* page size for BAR alignment */
	126	u8 link; /* Function Dependency Link */
	127
	128	u32 first_vf_in_pf;
	129	};
	130
	131	/* This mailbox is maintained per VF in its PF contains all information
	132	* required for sending / receiving a message.
	133	*/
	134	struct qed_iov_vf_mbx {
	135	union vfpf_tlvs *req_virt;
	136	dma_addr_t req_phys;
	137	union pfvf_tlvs *reply_virt;
	138	dma_addr_t reply_phys;
37bff2b9 YM	139
	140	/* Address in VF where a pending message is located */
	141	dma_addr_t pending_req;
	142
fd3c615a MY	143	/* Message from VF awaits handling */
	144	bool b_pending_msg;
	145
37bff2b9 YM	146	u8 *offset;
	147
	148	/* saved VF request header */
	149	struct vfpf_first_tlv first_tlv;
32a47e72 YM	150	};
32a47e72 YM	151
bbe3f233 MY	152	#define QED_IOV_LEGACY_QID_RX (0)
bbe3f233 MY	153	#define QED_IOV_LEGACY_QID_TX (1)
08bc8f15	154	#define QED_IOV_QID_INVALID (0xFE)
bbe3f233	155
007bc371 MY	156	struct qed_vf_queue_cid {
	157	bool b_is_tx;
	158	struct qed_queue_cid *p_cid;
	159	};
	160
	161	/* Describes a qzone associated with the VF */
	162	struct qed_vf_queue {
1408cc1f YM	163	u16 fw_rx_qid;
1408cc1f YM	164	u16 fw_tx_qid;
007bc371 MY	165
007bc371 MY	166	struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
1408cc1f YM	167	};
1408cc1f YM	168
32a47e72	169	enum vf_state {
1408cc1f YM	170	VF_FREE = 0, /* VF ready to be acquired holds no resc */
1408cc1f YM	171	VF_ACQUIRED, /* VF, acquired, but not initalized */
dacd88d6	172	VF_ENABLED, /* VF, Enabled */
0b55e27d	173	VF_RESET, /* VF, FLR'd, pending cleanup */
32a47e72 YM	174	VF_STOPPED /* VF, Stopped */
	175	};
	176
08feecd7 YM	177	struct qed_vf_vlan_shadow {
	178	bool used;
	179	u16 vid;
	180	};
	181
	182	struct qed_vf_shadow_config {
	183	/* Shadow copy of all guest vlans */
	184	struct qed_vf_vlan_shadow vlans[QED_ETH_VF_NUM_VLAN_FILTERS + 1];
	185
8246d0b4 YM	186	/* Shadow copy of all configured MACs; Empty if forcing MACs */
8246d0b4 YM	187	u8 macs[QED_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
08feecd7 YM	188	u8 inner_vlan_removal;
	189	};
	190
32a47e72 YM	191	/* PFs maintain an array of this structure, per VF */
	192	struct qed_vf_info {
	193	struct qed_iov_vf_mbx vf_mbx;
	194	enum vf_state state;
	195	bool b_init;
7eff82b0	196	bool b_malicious;
0b55e27d	197	u8 to_disable;
32a47e72 YM	198
	199	struct qed_bulletin bulletin;
	200	dma_addr_t vf_bulletin;
	201
1fe614d1 YM	202	/* PF saves a copy of the last VF acquire message */
	203	struct vfpf_acquire_tlv acquire;
	204
32a47e72 YM	205	u32 concrete_fid;
32a47e72 YM	206	u16 opaque_fid;
dacd88d6	207	u16 mtu;
32a47e72 YM	208
	209	u8 vport_id;
	210	u8 relative_vf_id;
	211	u8 abs_vf_id;
	212	#define QED_VF_ABS_ID(p_hwfn, p_vf) (QED_PATH_ID(p_hwfn) ? \
	213	(p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
	214	(p_vf)->abs_vf_id)
1408cc1f	215
dacd88d6	216	u8 vport_instance;
1408cc1f YM	217	u8 num_rxqs;
	218	u8 num_txqs;
	219
bf5a94bf RV	220	u16 rx_coal;
	221	u16 tx_coal;
	222
1408cc1f YM	223	u8 num_sbs;
	224
	225	u8 num_mac_filters;
	226	u8 num_vlan_filters;
007bc371 MY	227
007bc371 MY	228	struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
1408cc1f	229	u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
dacd88d6	230	u8 num_active_rxqs;
0b55e27d	231	struct qed_public_vf_info p_vf_info;
6ddc7608 YM	232	bool spoof_chk;
6ddc7608 YM	233	bool req_spoofchk_val;
08feecd7 YM	234
	235	/* Stores the configuration requested by VF */
	236	struct qed_vf_shadow_config shadow_config;
	237
	238	/* A bitfield using bulletin's valid-map bits, used to indicate
	239	* which of the bulletin board features have been configured.
	240	*/
	241	u64 configured_features;
	242	#define QED_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) \| \
	243	(1 << VLAN_ADDR_FORCED))
32a47e72 YM	244	};
	245
	246	/* This structure is part of qed_hwfn and used only for PFs that have sriov
	247	* capability enabled.
	248	*/
	249	struct qed_pf_iov {
	250	struct qed_vf_info vfs_array[MAX_NUM_VFS];
32a47e72 YM	251	u64 pending_flr[QED_VF_ARRAY_LENGTH];
	252
	253	/* Allocate message address continuosuly and split to each VF */
	254	void *mbx_msg_virt_addr;
	255	dma_addr_t mbx_msg_phys_addr;
	256	u32 mbx_msg_size;
	257	void *mbx_reply_virt_addr;
	258	dma_addr_t mbx_reply_phys_addr;
	259	u32 mbx_reply_size;
	260	void *p_bulletins;
	261	dma_addr_t bulletins_phys;
	262	u32 bulletins_size;
	263	};
	264
37bff2b9 YM	265	enum qed_iov_wq_flag {
	266	QED_IOV_WQ_MSG_FLAG,
	267	QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
	268	QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
	269	QED_IOV_WQ_STOP_WQ_FLAG,
	270	QED_IOV_WQ_FLR_FLAG,
f990c82c	271	QED_IOV_WQ_TRUST_FLAG,
65ed2ffd	272	QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
37bff2b9 YM	273	};
37bff2b9 YM	274
32a47e72	275	#ifdef CONFIG_QED_SRIOV
da090917 TT	276	/**
	277	* @brief Check if given VF ID @vfid is valid
	278	* w.r.t. @b_enabled_only value
	279	* if b_enabled_only = true - only enabled VF id is valid
	280	* else any VF id less than max_vfs is valid
	281	*
	282	* @param p_hwfn
	283	* @param rel_vf_id - Relative VF ID
	284	* @param b_enabled_only - consider only enabled VF
	285	* @param b_non_malicious - true iff we want to validate vf isn't malicious.
	286	*
	287	* @return bool - true for valid VF ID
	288	*/
	289	bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
	290	int rel_vf_id,
	291	bool b_enabled_only, bool b_non_malicious);
	292
32a47e72 YM	293	/**
	294	* @brief - Given a VF index, return index of next [including that] active VF.
	295	*
	296	* @param p_hwfn
	297	* @param rel_vf_id
	298	*
	299	* @return MAX_NUM_VFS in case no further active VFs, otherwise index.
	300	*/
	301	u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id);
	302
97379f15 CM	303	void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
	304	int vfid, u16 vxlan_port, u16 geneve_port);
	305
32a47e72 YM	306	/**
32a47e72 YM	307	* @brief Read sriov related information and allocated resources
c199ce4f	308	* reads from configuration space, shmem, etc.
32a47e72 YM	309	*
	310	* @param p_hwfn
	311	*
	312	* @return int
	313	*/
	314	int qed_iov_hw_info(struct qed_hwfn *p_hwfn);
	315
1408cc1f YM	316	/**
	317	* @brief qed_add_tlv - place a given tlv on the tlv buffer at next offset
	318	*
	319	* @param p_hwfn
	320	* @param p_iov
	321	* @param type
	322	* @param length
	323	*
	324	* @return pointer to the newly placed tlv
	325	*/
	326	void qed_add_tlv(struct qed_hwfn p_hwfn, u8 **offset, u16 type, u16 length);
	327
	328	/**
	329	* @brief list the types and lengths of the tlvs on the buffer
	330	*
	331	* @param p_hwfn
	332	* @param tlvs_list
	333	*/
	334	void qed_dp_tlv_list(struct qed_hwfn p_hwfn, void tlvs_list);
	335
32a47e72 YM	336	/**
	337	* @brief qed_iov_alloc - allocate sriov related resources
	338	*
	339	* @param p_hwfn
	340	*
	341	* @return int
	342	*/
	343	int qed_iov_alloc(struct qed_hwfn *p_hwfn);
	344
	345	/**
	346	* @brief qed_iov_setup - setup sriov related resources
	347	*
	348	* @param p_hwfn
32a47e72	349	*/
1ee240e3	350	void qed_iov_setup(struct qed_hwfn *p_hwfn);
32a47e72 YM	351
	352	/**
	353	* @brief qed_iov_free - free sriov related resources
	354	*
	355	* @param p_hwfn
	356	*/
	357	void qed_iov_free(struct qed_hwfn *p_hwfn);
	358
	359	/**
	360	* @brief free sriov related memory that was allocated during hw_prepare
	361	*
	362	* @param cdev
	363	*/
	364	void qed_iov_free_hw_info(struct qed_dev *cdev);
37bff2b9	365
0b55e27d YM	366	/**
	367	* @brief Mark structs of vfs that have been FLR-ed.
	368	*
	369	* @param p_hwfn
	370	* @param disabled_vfs - bitmask of all VFs on path that were FLRed
	371	*
cccf6f5c	372	* @return true iff one of the PF's vfs got FLRed. false otherwise.
0b55e27d	373	*/
cccf6f5c	374	bool qed_iov_mark_vf_flr(struct qed_hwfn p_hwfn, u32 disabled_vfs);
0b55e27d	375
dacd88d6 YM	376	/**
	377	* @brief Search extended TLVs in request/reply buffer.
	378	*
	379	* @param p_hwfn
	380	* @param p_tlvs_list - Pointer to tlvs list
	381	* @param req_type - Type of TLV
	382	*
	383	* @return pointer to tlv type if found, otherwise returns NULL.
	384	*/
	385	void qed_iov_search_list_tlvs(struct qed_hwfn p_hwfn,
	386	void *p_tlvs_list, u16 req_type);
	387
37bff2b9 YM	388	void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first);
	389	int qed_iov_wq_start(struct qed_dev *cdev);
	390
	391	void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag);
1408cc1f	392	void qed_vf_start_iov_wq(struct qed_dev *cdev);
0b55e27d	393	int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled);
36558c3d	394	void qed_inform_vf_link_state(struct qed_hwfn *hwfn);
32a47e72	395	#else
da090917 TT	396	static inline bool
	397	qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
	398	int rel_vf_id, bool b_enabled_only, bool b_non_malicious)
	399	{
	400	return false;
	401	}
	402
32a47e72 YM	403	static inline u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn,
	404	u16 rel_vf_id)
	405	{
	406	return MAX_NUM_VFS;
	407	}
	408
97379f15 CM	409	static inline void
	410	qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, int vfid,
	411	u16 vxlan_port, u16 geneve_port)
	412	{
	413	}
	414
32a47e72 YM	415	static inline int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
	416	{
	417	return 0;
	418	}
	419
	420	static inline int qed_iov_alloc(struct qed_hwfn *p_hwfn)
	421	{
	422	return 0;
	423	}
	424
1ee240e3	425	static inline void qed_iov_setup(struct qed_hwfn *p_hwfn)
32a47e72 YM	426	{
	427	}
	428
	429	static inline void qed_iov_free(struct qed_hwfn *p_hwfn)
	430	{
	431	}
	432
	433	static inline void qed_iov_free_hw_info(struct qed_dev *cdev)
	434	{
	435	}
37bff2b9	436
cccf6f5c MY	437	static inline bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn,
cccf6f5c MY	438	u32 *disabled_vfs)
0b55e27d	439	{
cccf6f5c	440	return false;
0b55e27d YM	441	}
0b55e27d YM	442
37bff2b9 YM	443	static inline void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
	444	{
	445	}
	446
	447	static inline int qed_iov_wq_start(struct qed_dev *cdev)
	448	{
	449	return 0;
	450	}
	451
	452	static inline void qed_schedule_iov(struct qed_hwfn *hwfn,
	453	enum qed_iov_wq_flag flag)
	454	{
	455	}
1408cc1f YM	456
	457	static inline void qed_vf_start_iov_wq(struct qed_dev *cdev)
	458	{
	459	}
0b55e27d YM	460
	461	static inline int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
	462	{
	463	return 0;
	464	}
36558c3d YM	465
	466	static inline void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
	467	{
	468	}
32a47e72 YM	469	#endif
	470
	471	#define qed_for_each_vf(_p_hwfn, _i) \
	472	for (_i = qed_iov_get_next_active_vf(_p_hwfn, 0); \
	473	_i < MAX_NUM_VFS; \
	474	_i = qed_iov_get_next_active_vf(_p_hwfn, _i + 1))
	475
	476	#endif