diff options
Diffstat (limited to 'drivers/accel/amdxdna/amdxdna_pci_drv.h')
-rw-r--r-- | drivers/accel/amdxdna/amdxdna_pci_drv.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.h b/drivers/accel/amdxdna/amdxdna_pci_drv.h new file mode 100644 index 000000000000..37848a8d8031 --- /dev/null +++ b/drivers/accel/amdxdna/amdxdna_pci_drv.h @@ -0,0 +1,147 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2022-2024, Advanced Micro Devices, Inc. + */ + +#ifndef _AMDXDNA_PCI_DRV_H_ +#define _AMDXDNA_PCI_DRV_H_ + +#include <linux/xarray.h> + +#define XDNA_INFO(xdna, fmt, args...) drm_info(&(xdna)->ddev, fmt, ##args) +#define XDNA_WARN(xdna, fmt, args...) drm_warn(&(xdna)->ddev, "%s: "fmt, __func__, ##args) +#define XDNA_ERR(xdna, fmt, args...) drm_err(&(xdna)->ddev, "%s: "fmt, __func__, ##args) +#define XDNA_DBG(xdna, fmt, args...) drm_dbg(&(xdna)->ddev, fmt, ##args) +#define XDNA_INFO_ONCE(xdna, fmt, args...) drm_info_once(&(xdna)->ddev, fmt, ##args) + +#define XDNA_MBZ_DBG(xdna, ptr, sz) \ + ({ \ + int __i; \ + int __ret = 0; \ + u8 *__ptr = (u8 *)(ptr); \ + for (__i = 0; __i < (sz); __i++) { \ + if (__ptr[__i]) { \ + XDNA_DBG(xdna, "MBZ check failed"); \ + __ret = -EINVAL; \ + break; \ + } \ + } \ + __ret; \ + }) + +#define to_xdna_dev(drm_dev) \ + ((struct amdxdna_dev *)container_of(drm_dev, struct amdxdna_dev, ddev)) + +extern const struct drm_driver amdxdna_drm_drv; + +struct amdxdna_client; +struct amdxdna_dev; +struct amdxdna_drm_get_info; +struct amdxdna_drm_set_state; +struct amdxdna_gem_obj; +struct amdxdna_hwctx; +struct amdxdna_sched_job; + +/* + * struct amdxdna_dev_ops - Device hardware operation callbacks + */ +struct amdxdna_dev_ops { + int (*init)(struct amdxdna_dev *xdna); + void (*fini)(struct amdxdna_dev *xdna); + int (*resume)(struct amdxdna_dev *xdna); + void (*suspend)(struct amdxdna_dev *xdna); + int (*hwctx_init)(struct amdxdna_hwctx *hwctx); + void (*hwctx_fini)(struct amdxdna_hwctx *hwctx); + int (*hwctx_config)(struct amdxdna_hwctx *hwctx, u32 type, u64 value, void *buf, u32 size); + void (*hmm_invalidate)(struct amdxdna_gem_obj *abo, unsigned long cur_seq); + void (*hwctx_suspend)(struct amdxdna_hwctx *hwctx); + void (*hwctx_resume)(struct amdxdna_hwctx *hwctx); + int (*cmd_submit)(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, u64 *seq); + int (*get_aie_info)(struct amdxdna_client *client, struct amdxdna_drm_get_info *args); + int (*set_aie_state)(struct amdxdna_client *client, struct amdxdna_drm_set_state *args); +}; + +/* + * struct amdxdna_dev_info - Device hardware information + * Record device static information, like reg, mbox, PSP, SMU bar index + */ +struct amdxdna_dev_info { + int reg_bar; + int mbox_bar; + int sram_bar; + int psp_bar; + int smu_bar; + int device_type; + int first_col; + u32 dev_mem_buf_shift; + u64 dev_mem_base; + size_t dev_mem_size; + char *vbnv; + const struct amdxdna_dev_priv *dev_priv; + const struct amdxdna_dev_ops *ops; +}; + +struct amdxdna_fw_ver { + u32 major; + u32 minor; + u32 sub; + u32 build; +}; + +struct amdxdna_dev { + struct drm_device ddev; + struct amdxdna_dev_hdl *dev_handle; + const struct amdxdna_dev_info *dev_info; + void *xrs_hdl; + + struct mutex dev_lock; /* per device lock */ + struct list_head client_list; + struct amdxdna_fw_ver fw_ver; + struct rw_semaphore notifier_lock; /* for mmu notifier*/ +}; + +/* + * struct amdxdna_device_id - PCI device info + */ +struct amdxdna_device_id { + unsigned short device; + u8 revision; + const struct amdxdna_dev_info *dev_info; +}; + +/* + * struct amdxdna_client - amdxdna client + * A per fd data structure for managing context and other user process stuffs. + */ +struct amdxdna_client { + struct list_head node; + pid_t pid; + struct mutex hwctx_lock; /* protect hwctx */ + /* do NOT wait this srcu when hwctx_lock is held */ + struct srcu_struct hwctx_srcu; + struct xarray hwctx_xa; + u32 next_hwctxid; + struct amdxdna_dev *xdna; + struct drm_file *filp; + + struct mutex mm_lock; /* protect memory related */ + struct amdxdna_gem_obj *dev_heap; + + struct iommu_sva *sva; + int pasid; +}; + +#define amdxdna_for_each_hwctx(client, hwctx_id, entry) \ + xa_for_each(&(client)->hwctx_xa, hwctx_id, entry) + +/* Add device info below */ +extern const struct amdxdna_dev_info dev_npu1_info; +extern const struct amdxdna_dev_info dev_npu2_info; +extern const struct amdxdna_dev_info dev_npu4_info; +extern const struct amdxdna_dev_info dev_npu5_info; +extern const struct amdxdna_dev_info dev_npu6_info; + +int amdxdna_sysfs_init(struct amdxdna_dev *xdna); +void amdxdna_sysfs_fini(struct amdxdna_dev *xdna); + +#endif /* _AMDXDNA_PCI_DRV_H_ */ |