1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ 2 /* Copyright(c) 2014 - 2020 Intel Corporation */ 3 #ifndef ADF_ACCEL_DEVICES_H_ 4 #define ADF_ACCEL_DEVICES_H_ 5 #include <linux/interrupt.h> 6 #include <linux/module.h> 7 #include <linux/list.h> 8 #include <linux/io.h> 9 #include <linux/ratelimit.h> 10 #include "adf_cfg_common.h" 11 #include "adf_pfvf_msg.h" 12 13 #define ADF_DH895XCC_DEVICE_NAME "dh895xcc" 14 #define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf" 15 #define ADF_C62X_DEVICE_NAME "c6xx" 16 #define ADF_C62XVF_DEVICE_NAME "c6xxvf" 17 #define ADF_C3XXX_DEVICE_NAME "c3xxx" 18 #define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf" 19 #define ADF_4XXX_DEVICE_NAME "4xxx" 20 #define ADF_4XXX_PCI_DEVICE_ID 0x4940 21 #define ADF_4XXXIOV_PCI_DEVICE_ID 0x4941 22 #define ADF_401XX_PCI_DEVICE_ID 0x4942 23 #define ADF_401XXIOV_PCI_DEVICE_ID 0x4943 24 #define ADF_402XX_PCI_DEVICE_ID 0x4944 25 #define ADF_402XXIOV_PCI_DEVICE_ID 0x4945 26 #define ADF_DEVICE_FUSECTL_OFFSET 0x40 27 #define ADF_DEVICE_LEGFUSE_OFFSET 0x4C 28 #define ADF_DEVICE_FUSECTL_MASK 0x80000000 29 #define ADF_PCI_MAX_BARS 3 30 #define ADF_DEVICE_NAME_LENGTH 32 31 #define ADF_ETR_MAX_RINGS_PER_BANK 16 32 #define ADF_MAX_MSIX_VECTOR_NAME 48 33 #define ADF_DEVICE_NAME_PREFIX "qat_" 34 35 enum adf_accel_capabilities { 36 ADF_ACCEL_CAPABILITIES_NULL = 0, 37 ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC = 1, 38 ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC = 2, 39 ADF_ACCEL_CAPABILITIES_CIPHER = 4, 40 ADF_ACCEL_CAPABILITIES_AUTHENTICATION = 8, 41 ADF_ACCEL_CAPABILITIES_COMPRESSION = 32, 42 ADF_ACCEL_CAPABILITIES_LZS_COMPRESSION = 64, 43 ADF_ACCEL_CAPABILITIES_RANDOM_NUMBER = 128 44 }; 45 46 struct adf_bar { 47 resource_size_t base_addr; 48 void __iomem *virt_addr; 49 resource_size_t size; 50 }; 51 52 struct adf_irq { 53 bool enabled; 54 char name[ADF_MAX_MSIX_VECTOR_NAME]; 55 }; 56 57 struct adf_accel_msix { 58 struct adf_irq *irqs; 59 u32 num_entries; 60 }; 61 62 struct adf_accel_pci { 63 struct pci_dev *pci_dev; 64 struct adf_accel_msix msix_entries; 65 struct adf_bar pci_bars[ADF_PCI_MAX_BARS]; 66 u8 revid; 67 u8 sku; 68 }; 69 70 enum dev_state { 71 DEV_DOWN = 0, 72 DEV_UP 73 }; 74 75 enum dev_sku_info { 76 DEV_SKU_1 = 0, 77 DEV_SKU_2, 78 DEV_SKU_3, 79 DEV_SKU_4, 80 DEV_SKU_VF, 81 DEV_SKU_UNKNOWN, 82 }; 83 get_sku_info(enum dev_sku_info info)84 static inline const char *get_sku_info(enum dev_sku_info info) 85 { 86 switch (info) { 87 case DEV_SKU_1: 88 return "SKU1"; 89 case DEV_SKU_2: 90 return "SKU2"; 91 case DEV_SKU_3: 92 return "SKU3"; 93 case DEV_SKU_4: 94 return "SKU4"; 95 case DEV_SKU_VF: 96 return "SKUVF"; 97 case DEV_SKU_UNKNOWN: 98 default: 99 break; 100 } 101 return "Unknown SKU"; 102 } 103 104 struct adf_hw_device_class { 105 const char *name; 106 const enum adf_device_type type; 107 u32 instances; 108 }; 109 110 struct arb_info { 111 u32 arb_cfg; 112 u32 arb_offset; 113 u32 wt2sam_offset; 114 }; 115 116 struct admin_info { 117 u32 admin_msg_ur; 118 u32 admin_msg_lr; 119 u32 mailbox_offset; 120 }; 121 122 struct adf_hw_csr_ops { 123 u64 (*build_csr_ring_base_addr)(dma_addr_t addr, u32 size); 124 u32 (*read_csr_ring_head)(void __iomem *csr_base_addr, u32 bank, 125 u32 ring); 126 void (*write_csr_ring_head)(void __iomem *csr_base_addr, u32 bank, 127 u32 ring, u32 value); 128 u32 (*read_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank, 129 u32 ring); 130 void (*write_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank, 131 u32 ring, u32 value); 132 u32 (*read_csr_e_stat)(void __iomem *csr_base_addr, u32 bank); 133 void (*write_csr_ring_config)(void __iomem *csr_base_addr, u32 bank, 134 u32 ring, u32 value); 135 void (*write_csr_ring_base)(void __iomem *csr_base_addr, u32 bank, 136 u32 ring, dma_addr_t addr); 137 void (*write_csr_int_flag)(void __iomem *csr_base_addr, u32 bank, 138 u32 value); 139 void (*write_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank); 140 void (*write_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank, 141 u32 value); 142 void (*write_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank, 143 u32 value); 144 void (*write_csr_int_flag_and_col)(void __iomem *csr_base_addr, 145 u32 bank, u32 value); 146 void (*write_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank, 147 u32 value); 148 }; 149 150 struct adf_cfg_device_data; 151 struct adf_accel_dev; 152 struct adf_etr_data; 153 struct adf_etr_ring_data; 154 155 struct adf_pfvf_ops { 156 int (*enable_comms)(struct adf_accel_dev *accel_dev); 157 u32 (*get_pf2vf_offset)(u32 i); 158 u32 (*get_vf2pf_offset)(u32 i); 159 void (*enable_vf2pf_interrupts)(void __iomem *pmisc_addr, u32 vf_mask); 160 void (*disable_all_vf2pf_interrupts)(void __iomem *pmisc_addr); 161 u32 (*disable_pending_vf2pf_interrupts)(void __iomem *pmisc_addr); 162 int (*send_msg)(struct adf_accel_dev *accel_dev, struct pfvf_message msg, 163 u32 pfvf_offset, struct mutex *csr_lock); 164 struct pfvf_message (*recv_msg)(struct adf_accel_dev *accel_dev, 165 u32 pfvf_offset, u8 compat_ver); 166 }; 167 168 struct adf_dc_ops { 169 void (*build_deflate_ctx)(void *ctx); 170 }; 171 172 struct adf_hw_device_data { 173 struct adf_hw_device_class *dev_class; 174 u32 (*get_accel_mask)(struct adf_hw_device_data *self); 175 u32 (*get_ae_mask)(struct adf_hw_device_data *self); 176 u32 (*get_accel_cap)(struct adf_accel_dev *accel_dev); 177 u32 (*get_sram_bar_id)(struct adf_hw_device_data *self); 178 u32 (*get_misc_bar_id)(struct adf_hw_device_data *self); 179 u32 (*get_etr_bar_id)(struct adf_hw_device_data *self); 180 u32 (*get_num_aes)(struct adf_hw_device_data *self); 181 u32 (*get_num_accels)(struct adf_hw_device_data *self); 182 void (*get_arb_info)(struct arb_info *arb_csrs_info); 183 void (*get_admin_info)(struct admin_info *admin_csrs_info); 184 enum dev_sku_info (*get_sku)(struct adf_hw_device_data *self); 185 u16 (*get_ring_to_svc_map)(struct adf_accel_dev *accel_dev); 186 int (*alloc_irq)(struct adf_accel_dev *accel_dev); 187 void (*free_irq)(struct adf_accel_dev *accel_dev); 188 void (*enable_error_correction)(struct adf_accel_dev *accel_dev); 189 int (*init_admin_comms)(struct adf_accel_dev *accel_dev); 190 void (*exit_admin_comms)(struct adf_accel_dev *accel_dev); 191 int (*send_admin_init)(struct adf_accel_dev *accel_dev); 192 int (*start_timer)(struct adf_accel_dev *accel_dev); 193 void (*stop_timer)(struct adf_accel_dev *accel_dev); 194 void (*check_hb_ctrs)(struct adf_accel_dev *accel_dev); 195 uint32_t (*get_hb_clock)(struct adf_hw_device_data *self); 196 int (*measure_clock)(struct adf_accel_dev *accel_dev); 197 int (*init_arb)(struct adf_accel_dev *accel_dev); 198 void (*exit_arb)(struct adf_accel_dev *accel_dev); 199 const u32 *(*get_arb_mapping)(struct adf_accel_dev *accel_dev); 200 int (*init_device)(struct adf_accel_dev *accel_dev); 201 int (*enable_pm)(struct adf_accel_dev *accel_dev); 202 bool (*handle_pm_interrupt)(struct adf_accel_dev *accel_dev); 203 void (*disable_iov)(struct adf_accel_dev *accel_dev); 204 void (*configure_iov_threads)(struct adf_accel_dev *accel_dev, 205 bool enable); 206 void (*enable_ints)(struct adf_accel_dev *accel_dev); 207 void (*set_ssm_wdtimer)(struct adf_accel_dev *accel_dev); 208 int (*ring_pair_reset)(struct adf_accel_dev *accel_dev, u32 bank_nr); 209 void (*reset_device)(struct adf_accel_dev *accel_dev); 210 void (*set_msix_rttable)(struct adf_accel_dev *accel_dev); 211 const char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num); 212 u32 (*uof_get_num_objs)(void); 213 u32 (*uof_get_ae_mask)(struct adf_accel_dev *accel_dev, u32 obj_num); 214 int (*dev_config)(struct adf_accel_dev *accel_dev); 215 struct adf_pfvf_ops pfvf_ops; 216 struct adf_hw_csr_ops csr_ops; 217 struct adf_dc_ops dc_ops; 218 const char *fw_name; 219 const char *fw_mmp_name; 220 u32 fuses; 221 u32 straps; 222 u32 accel_capabilities_mask; 223 u32 extended_dc_capabilities; 224 u32 clock_frequency; 225 u32 instance_id; 226 u16 accel_mask; 227 u32 ae_mask; 228 u32 admin_ae_mask; 229 u16 tx_rings_mask; 230 u16 ring_to_svc_map; 231 u8 tx_rx_gap; 232 u8 num_banks; 233 u16 num_banks_per_vf; 234 u8 num_rings_per_bank; 235 u8 num_accel; 236 u8 num_logical_accel; 237 u8 num_engines; 238 u32 num_hb_ctrs; 239 }; 240 241 /* CSR write macro */ 242 #define ADF_CSR_WR(csr_base, csr_offset, val) \ 243 __raw_writel(val, csr_base + csr_offset) 244 245 /* CSR read macro */ 246 #define ADF_CSR_RD(csr_base, csr_offset) __raw_readl(csr_base + csr_offset) 247 248 #define ADF_CFG_NUM_SERVICES 4 249 #define ADF_SRV_TYPE_BIT_LEN 3 250 #define ADF_SRV_TYPE_MASK 0x7 251 #define ADF_AE_ADMIN_THREAD 7 252 #define ADF_NUM_THREADS_PER_AE 8 253 #define ADF_NUM_PKE_STRAND 2 254 #define ADF_AE_STRAND0_THREAD 8 255 #define ADF_AE_STRAND1_THREAD 9 256 257 #define GET_DEV(accel_dev) ((accel_dev)->accel_pci_dev.pci_dev->dev) 258 #define GET_BARS(accel_dev) ((accel_dev)->accel_pci_dev.pci_bars) 259 #define GET_HW_DATA(accel_dev) (accel_dev->hw_device) 260 #define GET_MAX_BANKS(accel_dev) (GET_HW_DATA(accel_dev)->num_banks) 261 #define GET_NUM_RINGS_PER_BANK(accel_dev) \ 262 GET_HW_DATA(accel_dev)->num_rings_per_bank 263 #define GET_SRV_TYPE(accel_dev, idx) \ 264 (((GET_HW_DATA(accel_dev)->ring_to_svc_map) >> (ADF_SRV_TYPE_BIT_LEN * (idx))) \ 265 & ADF_SRV_TYPE_MASK) 266 #define GET_MAX_ACCELENGINES(accel_dev) (GET_HW_DATA(accel_dev)->num_engines) 267 #define GET_CSR_OPS(accel_dev) (&(accel_dev)->hw_device->csr_ops) 268 #define GET_PFVF_OPS(accel_dev) (&(accel_dev)->hw_device->pfvf_ops) 269 #define GET_DC_OPS(accel_dev) (&(accel_dev)->hw_device->dc_ops) 270 #define accel_to_pci_dev(accel_ptr) accel_ptr->accel_pci_dev.pci_dev 271 272 struct adf_admin_comms; 273 struct icp_qat_fw_loader_handle; 274 struct adf_fw_loader_data { 275 struct icp_qat_fw_loader_handle *fw_loader; 276 const struct firmware *uof_fw; 277 const struct firmware *mmp_fw; 278 }; 279 280 struct adf_accel_vf_info { 281 struct adf_accel_dev *accel_dev; 282 struct mutex pf2vf_lock; /* protect CSR access for PF2VF messages */ 283 struct ratelimit_state vf2pf_ratelimit; 284 u32 vf_nr; 285 bool init; 286 u8 vf_compat_ver; 287 }; 288 289 struct adf_dc_data { 290 u8 *ovf_buff; 291 size_t ovf_buff_sz; 292 dma_addr_t ovf_buff_p; 293 }; 294 295 struct adf_accel_dev { 296 struct adf_etr_data *transport; 297 struct adf_hw_device_data *hw_device; 298 struct adf_cfg_device_data *cfg; 299 struct adf_fw_loader_data *fw_loader; 300 struct adf_admin_comms *admin; 301 struct adf_dc_data *dc_data; 302 struct list_head crypto_list; 303 struct list_head compression_list; 304 unsigned long status; 305 atomic_t ref_count; 306 struct dentry *debugfs_dir; 307 struct dentry *fw_cntr_dbgfile; 308 struct list_head list; 309 struct module *owner; 310 struct adf_accel_pci accel_pci_dev; 311 struct adf_timer *timer; 312 struct adf_heartbeat *heartbeat; 313 union { 314 struct { 315 /* protects VF2PF interrupts access */ 316 spinlock_t vf2pf_ints_lock; 317 /* vf_info is non-zero when SR-IOV is init'ed */ 318 struct adf_accel_vf_info *vf_info; 319 } pf; 320 struct { 321 bool irq_enabled; 322 char irq_name[ADF_MAX_MSIX_VECTOR_NAME]; 323 struct tasklet_struct pf2vf_bh_tasklet; 324 struct mutex vf2pf_lock; /* protect CSR access */ 325 struct completion msg_received; 326 struct pfvf_message response; /* temp field holding pf2vf response */ 327 u8 pf_compat_ver; 328 } vf; 329 }; 330 struct mutex state_lock; /* protect state of the device */ 331 bool is_vf; 332 u32 accel_id; 333 }; 334 #endif 335