[linux-block.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.h

/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 * Copyright (c) 2019-2020 Marvell International Ltd.
 */

#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
1f4d4ed6	1	/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
32a47e72	2	/* QLogic qed NIC Driver
e8f1cb50	3	* Copyright (c) 2015-2017 QLogic Corporation
663eacd8	4	* Copyright (c) 2019-2020 Marvell International Ltd.
32a47e72 YM	5	*/
	6
	7	#ifndef _QED_SRIOV_H
	8	#define _QED_SRIOV_H
	9	#include <linux/types.h>
	10	#include "qed_vf.h"
1cf2b1a9 YM	11
	12	#define QED_ETH_VF_NUM_MAC_FILTERS 1
	13	#define QED_ETH_VF_NUM_VLAN_FILTERS 2
32a47e72 YM	14	#define QED_VF_ARRAY_LENGTH (3)
32a47e72 YM	15
14b84e86	16	#ifdef CONFIG_QED_SRIOV
6da95b52 AP	17	#define IS_VF(cdev) ((cdev)->b_is_vf)
	18	#define IS_PF(cdev) (!((cdev)->b_is_vf))
	19	#define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info))
32a47e72	20	#else
14b84e86 AB	21	#define IS_VF(cdev) (0)
14b84e86 AB	22	#define IS_PF(cdev) (1)
32a47e72 YM	23	#define IS_PF_SRIOV(p_hwfn) (0)
	24	#endif
	25	#define IS_PF_SRIOV_ALLOC(p_hwfn) (!!((p_hwfn)->pf_iov_info))
	26
1408cc1f	27	#define QED_MAX_VF_CHAINS_PER_PF 16
1408cc1f	28
08feecd7 YM	29	#define QED_ETH_MAX_VF_NUM_VLAN_FILTERS \
	30	(MAX_NUM_VFS * QED_ETH_VF_NUM_VLAN_FILTERS)
	31
dacd88d6 YM	32	enum qed_iov_vport_update_flag {
dacd88d6 YM	33	QED_IOV_VP_UPDATE_ACTIVATE,
17b235c1 YM	34	QED_IOV_VP_UPDATE_VLAN_STRIP,
17b235c1 YM	35	QED_IOV_VP_UPDATE_TX_SWITCH,
dacd88d6 YM	36	QED_IOV_VP_UPDATE_MCAST,
	37	QED_IOV_VP_UPDATE_ACCEPT_PARAM,
	38	QED_IOV_VP_UPDATE_RSS,
17b235c1 YM	39	QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN,
17b235c1 YM	40	QED_IOV_VP_UPDATE_SGE_TPA,
dacd88d6 YM	41	QED_IOV_VP_UPDATE_MAX,
	42	};
	43
0b55e27d YM	44	struct qed_public_vf_info {
	45	/* These copies will later be reflected in the bulletin board,
	46	* but this copy should be newer.
	47	*/
eff16960	48	u8 forced_mac[ETH_ALEN];
08feecd7	49	u16 forced_vlan;
0b55e27d	50	u8 mac[ETH_ALEN];
733def6a YM	51
	52	/* IFLA_VF_LINK_STATE_<X> */
	53	int link_state;
	54
	55	/* Currently configured Tx rate in MB/sec. 0 if unconfigured */
	56	int tx_rate;
f990c82c MY	57
	58	/* Trusted VFs can configure promiscuous mode.
	59	* Also store shadow promisc configuration if needed.
	60	*/
	61	bool is_trusted_configured;
	62	bool is_trusted_request;
	63	u8 rx_accept_mode;
	64	u8 tx_accept_mode;
0b55e27d YM	65	};
0b55e27d YM	66
3da7a37a MY	67	struct qed_iov_vf_init_params {
	68	u16 rel_vf_id;
	69
	70	/* Number of requested Queues; Currently, don't support different
	71	* number of Rx/Tx queues.
	72	*/
	73
	74	u16 num_queues;
	75
	76	/* Allow the client to choose which qzones to use for Rx/Tx,
	77	* and which queue_base to use for Tx queues on a per-queue basis.
	78	* Notice values should be relative to the PF resources.
	79	*/
	80	u16 req_rx_queue[QED_MAX_VF_CHAINS_PER_PF];
	81	u16 req_tx_queue[QED_MAX_VF_CHAINS_PER_PF];
	82	};
	83
32a47e72 YM	84	/* This struct is part of qed_dev and contains data relevant to all hwfns;
	85	* Initialized only if SR-IOV cpabability is exposed in PCIe config space.
	86	*/
	87	struct qed_hw_sriov_info {
	88	int pos; /* capability position */
	89	int nres; /* number of resources */
	90	u32 cap; /* SR-IOV Capabilities */
	91	u16 ctrl; /* SR-IOV Control */
	92	u16 total_vfs; /* total VFs associated with the PF */
	93	u16 num_vfs; /* number of vfs that have been started */
	94	u16 initial_vfs; /* initial VFs associated with the PF */
	95	u16 nr_virtfn; /* number of VFs available */
	96	u16 offset; /* first VF Routing ID offset */
	97	u16 stride; /* following VF stride */
	98	u16 vf_device_id; /* VF device id */
	99	u32 pgsz; /* page size for BAR alignment */
	100	u8 link; /* Function Dependency Link */
	101
	102	u32 first_vf_in_pf;
	103	};
	104
	105	/* This mailbox is maintained per VF in its PF contains all information
	106	* required for sending / receiving a message.
	107	*/
	108	struct qed_iov_vf_mbx {
	109	union vfpf_tlvs *req_virt;
	110	dma_addr_t req_phys;
	111	union pfvf_tlvs *reply_virt;
	112	dma_addr_t reply_phys;
37bff2b9 YM	113
	114	/* Address in VF where a pending message is located */
	115	dma_addr_t pending_req;
	116
fd3c615a MY	117	/* Message from VF awaits handling */
	118	bool b_pending_msg;
	119
37bff2b9 YM	120	u8 *offset;
	121
	122	/* saved VF request header */
	123	struct vfpf_first_tlv first_tlv;
32a47e72 YM	124	};
32a47e72 YM	125
bbe3f233 MY	126	#define QED_IOV_LEGACY_QID_RX (0)
bbe3f233 MY	127	#define QED_IOV_LEGACY_QID_TX (1)
08bc8f15	128	#define QED_IOV_QID_INVALID (0xFE)
bbe3f233	129
007bc371 MY	130	struct qed_vf_queue_cid {
	131	bool b_is_tx;
	132	struct qed_queue_cid *p_cid;
	133	};
	134
	135	/* Describes a qzone associated with the VF */
	136	struct qed_vf_queue {
1408cc1f YM	137	u16 fw_rx_qid;
1408cc1f YM	138	u16 fw_tx_qid;
007bc371 MY	139
007bc371 MY	140	struct qed_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
1408cc1f YM	141	};
1408cc1f YM	142
32a47e72	143	enum vf_state {
1408cc1f YM	144	VF_FREE = 0, /* VF ready to be acquired holds no resc */
1408cc1f YM	145	VF_ACQUIRED, /* VF, acquired, but not initalized */
dacd88d6	146	VF_ENABLED, /* VF, Enabled */
0b55e27d	147	VF_RESET, /* VF, FLR'd, pending cleanup */
32a47e72 YM	148	VF_STOPPED /* VF, Stopped */
	149	};
	150
08feecd7 YM	151	struct qed_vf_vlan_shadow {
	152	bool used;
	153	u16 vid;
	154	};
	155
	156	struct qed_vf_shadow_config {
	157	/* Shadow copy of all guest vlans */
	158	struct qed_vf_vlan_shadow vlans[QED_ETH_VF_NUM_VLAN_FILTERS + 1];
	159
8246d0b4 YM	160	/* Shadow copy of all configured MACs; Empty if forcing MACs */
8246d0b4 YM	161	u8 macs[QED_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
08feecd7 YM	162	u8 inner_vlan_removal;
	163	};
	164
32a47e72 YM	165	/* PFs maintain an array of this structure, per VF */
	166	struct qed_vf_info {
	167	struct qed_iov_vf_mbx vf_mbx;
	168	enum vf_state state;
	169	bool b_init;
7eff82b0	170	bool b_malicious;
0b55e27d	171	u8 to_disable;
32a47e72 YM	172
	173	struct qed_bulletin bulletin;
	174	dma_addr_t vf_bulletin;
	175
1fe614d1 YM	176	/* PF saves a copy of the last VF acquire message */
	177	struct vfpf_acquire_tlv acquire;
	178
32a47e72 YM	179	u32 concrete_fid;
32a47e72 YM	180	u16 opaque_fid;
dacd88d6	181	u16 mtu;
32a47e72 YM	182
	183	u8 vport_id;
	184	u8 relative_vf_id;
	185	u8 abs_vf_id;
	186	#define QED_VF_ABS_ID(p_hwfn, p_vf) (QED_PATH_ID(p_hwfn) ? \
	187	(p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
	188	(p_vf)->abs_vf_id)
1408cc1f	189
dacd88d6	190	u8 vport_instance;
1408cc1f YM	191	u8 num_rxqs;
	192	u8 num_txqs;
	193
bf5a94bf RV	194	u16 rx_coal;
	195	u16 tx_coal;
	196
1408cc1f YM	197	u8 num_sbs;
	198
	199	u8 num_mac_filters;
	200	u8 num_vlan_filters;
007bc371 MY	201
007bc371 MY	202	struct qed_vf_queue vf_queues[QED_MAX_VF_CHAINS_PER_PF];
1408cc1f	203	u16 igu_sbs[QED_MAX_VF_CHAINS_PER_PF];
dacd88d6	204	u8 num_active_rxqs;
0b55e27d	205	struct qed_public_vf_info p_vf_info;
6ddc7608 YM	206	bool spoof_chk;
6ddc7608 YM	207	bool req_spoofchk_val;
08feecd7 YM	208
	209	/* Stores the configuration requested by VF */
	210	struct qed_vf_shadow_config shadow_config;
	211
	212	/* A bitfield using bulletin's valid-map bits, used to indicate
	213	* which of the bulletin board features have been configured.
	214	*/
	215	u64 configured_features;
	216	#define QED_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) \| \
	217	(1 << VLAN_ADDR_FORCED))
32a47e72 YM	218	};
	219
	220	/* This structure is part of qed_hwfn and used only for PFs that have sriov
	221	* capability enabled.
	222	*/
	223	struct qed_pf_iov {
	224	struct qed_vf_info vfs_array[MAX_NUM_VFS];
32a47e72 YM	225	u64 pending_flr[QED_VF_ARRAY_LENGTH];
	226
	227	/* Allocate message address continuosuly and split to each VF */
	228	void *mbx_msg_virt_addr;
	229	dma_addr_t mbx_msg_phys_addr;
	230	u32 mbx_msg_size;
	231	void *mbx_reply_virt_addr;
	232	dma_addr_t mbx_reply_phys_addr;
	233	u32 mbx_reply_size;
	234	void *p_bulletins;
	235	dma_addr_t bulletins_phys;
	236	u32 bulletins_size;
	237	};
	238
37bff2b9 YM	239	enum qed_iov_wq_flag {
	240	QED_IOV_WQ_MSG_FLAG,
	241	QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
	242	QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
	243	QED_IOV_WQ_STOP_WQ_FLAG,
	244	QED_IOV_WQ_FLR_FLAG,
f990c82c	245	QED_IOV_WQ_TRUST_FLAG,
65ed2ffd	246	QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
37bff2b9 YM	247	};
37bff2b9 YM	248
32a47e72	249	#ifdef CONFIG_QED_SRIOV
da090917 TT	250	/**
	251	* @brief Check if given VF ID @vfid is valid
	252	* w.r.t. @b_enabled_only value
	253	* if b_enabled_only = true - only enabled VF id is valid
	254	* else any VF id less than max_vfs is valid
	255	*
	256	* @param p_hwfn
	257	* @param rel_vf_id - Relative VF ID
	258	* @param b_enabled_only - consider only enabled VF
	259	* @param b_non_malicious - true iff we want to validate vf isn't malicious.
	260	*
	261	* @return bool - true for valid VF ID
	262	*/
	263	bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
	264	int rel_vf_id,
	265	bool b_enabled_only, bool b_non_malicious);
	266
32a47e72 YM	267	/**
	268	* @brief - Given a VF index, return index of next [including that] active VF.
	269	*
	270	* @param p_hwfn
	271	* @param rel_vf_id
	272	*
	273	* @return MAX_NUM_VFS in case no further active VFs, otherwise index.
	274	*/
	275	u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id);
	276
97379f15 CM	277	void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
	278	int vfid, u16 vxlan_port, u16 geneve_port);
	279
32a47e72 YM	280	/**
32a47e72 YM	281	* @brief Read sriov related information and allocated resources
c199ce4f	282	* reads from configuration space, shmem, etc.
32a47e72 YM	283	*
	284	* @param p_hwfn
	285	*
	286	* @return int
	287	*/
	288	int qed_iov_hw_info(struct qed_hwfn *p_hwfn);
	289
1408cc1f YM	290	/**
	291	* @brief qed_add_tlv - place a given tlv on the tlv buffer at next offset
	292	*
	293	* @param p_hwfn
	294	* @param p_iov
	295	* @param type
	296	* @param length
	297	*
	298	* @return pointer to the newly placed tlv
	299	*/
	300	void qed_add_tlv(struct qed_hwfn p_hwfn, u8 **offset, u16 type, u16 length);
	301
	302	/**
	303	* @brief list the types and lengths of the tlvs on the buffer
	304	*
	305	* @param p_hwfn
	306	* @param tlvs_list
	307	*/
	308	void qed_dp_tlv_list(struct qed_hwfn p_hwfn, void tlvs_list);
	309
32a47e72 YM	310	/**
	311	* @brief qed_iov_alloc - allocate sriov related resources
	312	*
	313	* @param p_hwfn
	314	*
	315	* @return int
	316	*/
	317	int qed_iov_alloc(struct qed_hwfn *p_hwfn);
	318
	319	/**
	320	* @brief qed_iov_setup - setup sriov related resources
	321	*
	322	* @param p_hwfn
32a47e72	323	*/
1ee240e3	324	void qed_iov_setup(struct qed_hwfn *p_hwfn);
32a47e72 YM	325
	326	/**
	327	* @brief qed_iov_free - free sriov related resources
	328	*
	329	* @param p_hwfn
	330	*/
	331	void qed_iov_free(struct qed_hwfn *p_hwfn);
	332
	333	/**
	334	* @brief free sriov related memory that was allocated during hw_prepare
	335	*
	336	* @param cdev
	337	*/
	338	void qed_iov_free_hw_info(struct qed_dev *cdev);
37bff2b9	339
0b55e27d YM	340	/**
	341	* @brief Mark structs of vfs that have been FLR-ed.
	342	*
	343	* @param p_hwfn
	344	* @param disabled_vfs - bitmask of all VFs on path that were FLRed
	345	*
cccf6f5c	346	* @return true iff one of the PF's vfs got FLRed. false otherwise.
0b55e27d	347	*/
cccf6f5c	348	bool qed_iov_mark_vf_flr(struct qed_hwfn p_hwfn, u32 disabled_vfs);
0b55e27d	349
dacd88d6 YM	350	/**
	351	* @brief Search extended TLVs in request/reply buffer.
	352	*
	353	* @param p_hwfn
	354	* @param p_tlvs_list - Pointer to tlvs list
	355	* @param req_type - Type of TLV
	356	*
	357	* @return pointer to tlv type if found, otherwise returns NULL.
	358	*/
	359	void qed_iov_search_list_tlvs(struct qed_hwfn p_hwfn,
	360	void *p_tlvs_list, u16 req_type);
	361
37bff2b9 YM	362	void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first);
	363	int qed_iov_wq_start(struct qed_dev *cdev);
	364
	365	void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag);
1408cc1f	366	void qed_vf_start_iov_wq(struct qed_dev *cdev);
0b55e27d	367	int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled);
36558c3d	368	void qed_inform_vf_link_state(struct qed_hwfn *hwfn);
32a47e72	369	#else
da090917 TT	370	static inline bool
	371	qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
	372	int rel_vf_id, bool b_enabled_only, bool b_non_malicious)
	373	{
	374	return false;
	375	}
	376
32a47e72 YM	377	static inline u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn,
	378	u16 rel_vf_id)
	379	{
	380	return MAX_NUM_VFS;
	381	}
	382
97379f15 CM	383	static inline void
	384	qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, int vfid,
	385	u16 vxlan_port, u16 geneve_port)
	386	{
	387	}
	388
32a47e72 YM	389	static inline int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
	390	{
	391	return 0;
	392	}
	393
	394	static inline int qed_iov_alloc(struct qed_hwfn *p_hwfn)
	395	{
	396	return 0;
	397	}
	398
1ee240e3	399	static inline void qed_iov_setup(struct qed_hwfn *p_hwfn)
32a47e72 YM	400	{
	401	}
	402
	403	static inline void qed_iov_free(struct qed_hwfn *p_hwfn)
	404	{
	405	}
	406
	407	static inline void qed_iov_free_hw_info(struct qed_dev *cdev)
	408	{
	409	}
37bff2b9	410
cccf6f5c MY	411	static inline bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn,
cccf6f5c MY	412	u32 *disabled_vfs)
0b55e27d	413	{
cccf6f5c	414	return false;
0b55e27d YM	415	}
0b55e27d YM	416
37bff2b9 YM	417	static inline void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
	418	{
	419	}
	420
	421	static inline int qed_iov_wq_start(struct qed_dev *cdev)
	422	{
	423	return 0;
	424	}
	425
	426	static inline void qed_schedule_iov(struct qed_hwfn *hwfn,
	427	enum qed_iov_wq_flag flag)
	428	{
	429	}
1408cc1f YM	430
	431	static inline void qed_vf_start_iov_wq(struct qed_dev *cdev)
	432	{
	433	}
0b55e27d YM	434
	435	static inline int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
	436	{
	437	return 0;
	438	}
36558c3d YM	439
	440	static inline void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
	441	{
	442	}
32a47e72 YM	443	#endif
	444
	445	#define qed_for_each_vf(_p_hwfn, _i) \
	446	for (_i = qed_iov_get_next_active_vf(_p_hwfn, 0); \
	447	_i < MAX_NUM_VFS; \
	448	_i = qed_iov_get_next_active_vf(_p_hwfn, _i + 1))
	449
	450	#endif