1 /* SPDX-License-Identifier: GPL-2.0-only
2 * Copyright (C) 2020 Marvell.
5 #ifndef __OTX2_CPT_COMMON_H
6 #define __OTX2_CPT_COMMON_H
9 #include <linux/types.h>
10 #include <linux/module.h>
11 #include <linux/delay.h>
12 #include <linux/crypto.h>
13 #include <net/devlink.h>
14 #include "otx2_cpt_hw_types.h"
18 #define OTX2_CPT_MAX_VFS_NUM 128
19 #define OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs) \
20 (((blk) << 20) | ((slot) << 12) | (offs))
21 #define OTX2_CPT_RVU_PFFUNC(pf, func) \
22 ((((pf) & RVU_PFVF_PF_MASK) << RVU_PFVF_PF_SHIFT) | \
23 (((func) & RVU_PFVF_FUNC_MASK) << RVU_PFVF_FUNC_SHIFT))
25 #define OTX2_CPT_INVALID_CRYPTO_ENG_GRP 0xFF
26 #define OTX2_CPT_NAME_LENGTH 64
27 #define OTX2_CPT_DMA_MINALIGN 128
29 /* HW capability flags */
33 #define BAD_OTX2_CPT_ENG_TYPE OTX2_CPT_MAX_ENG_TYPES
35 enum otx2_cpt_eng_type {
36 OTX2_CPT_AE_TYPES = 1,
37 OTX2_CPT_SE_TYPES = 2,
38 OTX2_CPT_IE_TYPES = 3,
39 OTX2_CPT_MAX_ENG_TYPES,
42 /* Take mbox id from end of CPT mbox range in AF (range 0xA00 - 0xBFF) */
43 #define MBOX_MSG_RX_INLINE_IPSEC_LF_CFG 0xBFE
44 #define MBOX_MSG_GET_ENG_GRP_NUM 0xBFF
45 #define MBOX_MSG_GET_CAPS 0xBFD
46 #define MBOX_MSG_GET_KVF_LIMITS 0xBFC
49 * Message request to config cpt lf for inline inbound ipsec.
50 * This message is only used between CPT PF <-> CPT VF
52 struct otx2_cpt_rx_inline_lf_cfg {
53 struct mbox_msghdr hdr;
62 u8 ctx_ilen_valid : 1;
67 * Message request and response to get engine group number
68 * which has attached a given type of engines (SE, AE, IE)
69 * This messages are only used between CPT PF <=> CPT VF
71 struct otx2_cpt_egrp_num_msg {
72 struct mbox_msghdr hdr;
76 struct otx2_cpt_egrp_num_rsp {
77 struct mbox_msghdr hdr;
83 * Message request and response to get kernel crypto limits
84 * This messages are only used between CPT PF <-> CPT VF
86 struct otx2_cpt_kvf_limits_msg {
87 struct mbox_msghdr hdr;
90 struct otx2_cpt_kvf_limits_rsp {
91 struct mbox_msghdr hdr;
95 /* CPT HW capabilities */
96 union otx2_cpt_eng_caps {
110 u64 reserved_15_33:19;
112 u64 reserved_35_63:29;
117 * Message request and response to get HW capabilities for each
118 * engine type (SE, IE, AE).
119 * This messages are only used between CPT PF <=> CPT VF
121 struct otx2_cpt_caps_msg {
122 struct mbox_msghdr hdr;
125 struct otx2_cpt_caps_rsp {
126 struct mbox_msghdr hdr;
127 u16 cpt_pf_drv_version;
129 union otx2_cpt_eng_caps eng_caps[OTX2_CPT_MAX_ENG_TYPES];
132 static inline void otx2_cpt_write64(void __iomem *reg_base, u64 blk, u64 slot,
135 writeq_relaxed(val, reg_base +
136 OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs));
139 static inline u64 otx2_cpt_read64(void __iomem *reg_base, u64 blk, u64 slot,
142 return readq_relaxed(reg_base +
143 OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs));
146 static inline bool is_dev_otx2(struct pci_dev *pdev)
148 if (pdev->device == OTX2_CPT_PCI_PF_DEVICE_ID ||
149 pdev->device == OTX2_CPT_PCI_VF_DEVICE_ID)
155 static inline bool is_dev_cn10ka(struct pci_dev *pdev)
157 return pdev->subsystem_device == CPT_PCI_SUBSYS_DEVID_CN10K_A;
160 static inline bool is_dev_cn10ka_ax(struct pci_dev *pdev)
162 if (pdev->subsystem_device == CPT_PCI_SUBSYS_DEVID_CN10K_A &&
163 ((pdev->revision & 0xFF) == 4 || (pdev->revision & 0xFF) == 0x50 ||
164 (pdev->revision & 0xff) == 0x51))
170 static inline bool is_dev_cn10kb(struct pci_dev *pdev)
172 return pdev->subsystem_device == CPT_PCI_SUBSYS_DEVID_CN10K_B;
175 static inline bool is_dev_cn10ka_b0(struct pci_dev *pdev)
177 if (pdev->subsystem_device == CPT_PCI_SUBSYS_DEVID_CN10K_A &&
178 (pdev->revision & 0xFF) == 0x54)
184 static inline void otx2_cpt_set_hw_caps(struct pci_dev *pdev,
185 unsigned long *cap_flag)
187 if (!is_dev_otx2(pdev)) {
188 __set_bit(CN10K_MBOX, cap_flag);
189 __set_bit(CN10K_LMTST, cap_flag);
193 static inline bool cpt_is_errata_38550_exists(struct pci_dev *pdev)
195 if (is_dev_otx2(pdev) || is_dev_cn10ka_ax(pdev))
201 static inline bool cpt_feature_sgv2(struct pci_dev *pdev)
203 if (!is_dev_otx2(pdev) && !is_dev_cn10ka_ax(pdev))
209 int otx2_cpt_send_ready_msg(struct otx2_mbox *mbox, struct pci_dev *pdev);
210 int otx2_cpt_send_mbox_msg(struct otx2_mbox *mbox, struct pci_dev *pdev);
212 int otx2_cpt_send_af_reg_requests(struct otx2_mbox *mbox,
213 struct pci_dev *pdev);
214 int otx2_cpt_add_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
215 u64 reg, u64 val, int blkaddr);
216 int otx2_cpt_read_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
217 u64 reg, u64 *val, int blkaddr);
218 int otx2_cpt_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
219 u64 reg, u64 val, int blkaddr);
220 struct otx2_cptlfs_info;
221 int otx2_cpt_attach_rscrs_msg(struct otx2_cptlfs_info *lfs);
222 int otx2_cpt_detach_rsrcs_msg(struct otx2_cptlfs_info *lfs);
223 int otx2_cpt_msix_offset_msg(struct otx2_cptlfs_info *lfs);
224 int otx2_cpt_sync_mbox_msg(struct otx2_mbox *mbox);
225 int otx2_cpt_lf_reset_msg(struct otx2_cptlfs_info *lfs, int slot);
227 #endif /* __OTX2_CPT_COMMON_H */