2 * Copyright (c) 2016 QLogic Corporation.
6 * See LICENSE.qede_pmd for copyright and licensing details.
9 #ifndef __ECORE_SRIOV_H__
10 #define __ECORE_SRIOV_H__
12 #include "ecore_status.h"
13 #include "ecore_vfpf_if.h"
14 #include "ecore_iov_api.h"
15 #include "ecore_hsi_common.h"
18 #define ECORE_ETH_MAX_VF_NUM_VLAN_FILTERS \
19 (E4_MAX_NUM_VFS * ECORE_ETH_VF_NUM_VLAN_FILTERS)
21 /* Represents a full message. Both the request filled by VF
22 * and the response filled by the PF. The VF needs one copy
23 * of this message, it fills the request part and sends it to
24 * the PF. The PF will copy the response to the response part for
25 * the VF to later read it. The PF needs to hold a message like this
26 * per VF, the request that is copied to the PF is placed in the
27 * request size, and the response is filled by the PF before sending
30 struct ecore_vf_mbx_msg {
35 /* This mailbox is maintained per VF in its PF
36 * contains all information required for sending / receiving
39 struct ecore_iov_vf_mbx {
40 union vfpf_tlvs *req_virt;
42 union pfvf_tlvs *reply_virt;
43 dma_addr_t reply_phys;
45 /* Address in VF where a pending message is located */
46 dma_addr_t pending_req;
50 #ifdef CONFIG_ECORE_SW_CHANNEL
51 struct ecore_iov_sw_mbx sw_mbx;
58 struct vfpf_first_tlv first_tlv; /* saved VF request header */
61 #define VF_MSG_INPROCESS 0x1 /* failsafe - the FW should prevent
62 * more then one pending msg
66 struct ecore_vf_queue_cid {
68 struct ecore_queue_cid *p_cid;
71 /* Describes a qzone associated with the VF */
72 struct ecore_vf_queue {
73 /* Input from upper-layer, mapping relateive queue to queue-zone */
77 struct ecore_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
81 VF_FREE = 0, /* VF ready to be acquired holds no resc */
82 VF_ACQUIRED = 1, /* VF, acquired, but not initalized */
83 VF_ENABLED = 2, /* VF, Enabled */
84 VF_RESET = 3, /* VF, FLR'd, pending cleanup */
85 VF_STOPPED = 4 /* VF, Stopped */
88 struct ecore_vf_vlan_shadow {
93 struct ecore_vf_shadow_config {
94 /* Shadow copy of all guest vlans */
95 struct ecore_vf_vlan_shadow vlans[ECORE_ETH_VF_NUM_VLAN_FILTERS + 1];
97 /* Shadow copy of all configured MACs; Empty if forcing MACs */
98 u8 macs[ECORE_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
99 u8 inner_vlan_removal;
102 /* PFs maintain an array of this structure, per VF */
103 struct ecore_vf_info {
104 struct ecore_iov_vf_mbx vf_mbx;
110 struct ecore_bulletin bulletin;
111 dma_addr_t vf_bulletin;
113 /* PF saves a copy of the last VF acquire message */
114 struct vfpf_acquire_tlv acquire;
124 #define ECORE_VF_ABS_ID(p_hwfn, p_vf) (ECORE_PATH_ID(p_hwfn) ? \
125 (p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
128 u8 vport_instance; /* Number of active vports */
137 struct ecore_vf_queue vf_queues[ECORE_MAX_VF_CHAINS_PER_PF];
138 u16 igu_sbs[ECORE_MAX_VF_CHAINS_PER_PF];
140 /* TODO - Only windows is using it - should be removed */
144 struct ecore_public_vf_info p_vf_info;
145 bool spoof_chk; /* Current configured on HW */
146 bool req_spoofchk_val; /* Requested value */
148 /* Stores the configuration requested by VF */
149 struct ecore_vf_shadow_config shadow_config;
151 /* A bitfield using bulletin's valid-map bits, used to indicate
152 * which of the bulletin board features have been configured.
154 u64 configured_features;
155 #define ECORE_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) | \
156 (1 << VLAN_ADDR_FORCED))
159 /* This structure is part of ecore_hwfn and used only for PFs that have sriov
160 * capability enabled.
162 struct ecore_pf_iov {
163 struct ecore_vf_info vfs_array[E4_MAX_NUM_VFS];
164 u64 pending_events[ECORE_VF_ARRAY_LENGTH];
165 u64 pending_flr[ECORE_VF_ARRAY_LENGTH];
168 /* This doesn't serve anything functionally, but it makes windows
169 * debugging of IOV related issues easier.
171 u64 active_vfs[ECORE_VF_ARRAY_LENGTH];
174 /* Allocate message address continuosuly and split to each VF */
175 void *mbx_msg_virt_addr;
176 dma_addr_t mbx_msg_phys_addr;
178 void *mbx_reply_virt_addr;
179 dma_addr_t mbx_reply_phys_addr;
182 dma_addr_t bulletins_phys;
186 #ifdef CONFIG_ECORE_SRIOV
188 * @brief Read sriov related information and allocated resources
189 * reads from configuraiton space, shmem, etc.
193 * @return enum _ecore_status_t
195 enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn);
198 * @brief ecore_add_tlv - place a given tlv on the tlv buffer at next offset
205 * @return pointer to the newly placed tlv
207 void *ecore_add_tlv(struct ecore_hwfn *p_hwfn,
213 * @brief list the types and lengths of the tlvs on the buffer
218 void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn,
222 * @brief ecore_iov_alloc - allocate sriov related resources
226 * @return enum _ecore_status_t
228 enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn);
231 * @brief ecore_iov_setup - setup sriov related resources
236 void ecore_iov_setup(struct ecore_hwfn *p_hwfn,
237 struct ecore_ptt *p_ptt);
240 * @brief ecore_iov_free - free sriov related resources
244 void ecore_iov_free(struct ecore_hwfn *p_hwfn);
247 * @brief free sriov related memory that was allocated during hw_prepare
251 void ecore_iov_free_hw_info(struct ecore_dev *p_dev);
254 * @brief ecore_sriov_eqe_event - handle async sriov event arrived on eqe.
261 enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn,
264 union event_ring_data *data);
267 * @brief calculate CRC for bulletin board validation
269 * @param basic crc seed
270 * @param ptr to beginning of buffer
271 * @length in bytes of buffer
273 * @return calculated crc over buffer [with respect to seed].
275 u32 ecore_crc32(u32 crc,
280 * @brief Mark structs of vfs that have been FLR-ed.
283 * @param disabled_vfs - bitmask of all VFs on path that were FLRed
285 * @return 1 iff one of the PF's vfs got FLRed. 0 otherwise.
287 bool ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn,
291 * @brief Search extended TLVs in request/reply buffer.
294 * @param p_tlvs_list - Pointer to tlvs list
295 * @param req_type - Type of TLV
297 * @return pointer to tlv type if found, otherwise returns NULL.
299 void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
300 void *p_tlvs_list, u16 req_type);
303 * @brief ecore_iov_get_vf_info - return the database of a
307 * @param relative_vf_id - relative id of the VF for which info
309 * @param b_enabled_only - false iff want to access even if vf is disabled
311 * @return struct ecore_vf_info*
313 struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn,
315 bool b_enabled_only);
317 #endif /* __ECORE_SRIOV_H__ */