diff options
Diffstat (limited to 'drivers/misc/cxl/cxl.h')
| -rw-r--r-- | drivers/misc/cxl/cxl.h | 68 |
1 files changed, 62 insertions, 6 deletions
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index a144073593fa..79e60ec70bd3 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -419,6 +419,9 @@ struct cxl_afu { struct mutex contexts_lock; spinlock_t afu_cntl_lock; + /* -1: AFU deconfigured/locked, >= 0: number of readers */ + atomic_t configured_state; + /* AFU error buffer fields and bin attribute for sysfs */ u64 eb_len, eb_offset; struct bin_attribute attr_eb; @@ -800,12 +803,67 @@ int afu_register_irqs(struct cxl_context *ctx, u32 count); void afu_release_irqs(struct cxl_context *ctx, void *cookie); void afu_irq_name_free(struct cxl_context *ctx); +#ifdef CONFIG_DEBUG_FS + int cxl_debugfs_init(void); void cxl_debugfs_exit(void); int cxl_debugfs_adapter_add(struct cxl *adapter); void cxl_debugfs_adapter_remove(struct cxl *adapter); int cxl_debugfs_afu_add(struct cxl_afu *afu); void cxl_debugfs_afu_remove(struct cxl_afu *afu); +void cxl_stop_trace(struct cxl *cxl); +void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir); +void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir); +void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir); + +#else /* CONFIG_DEBUG_FS */ + +static inline int __init cxl_debugfs_init(void) +{ + return 0; +} + +static inline void cxl_debugfs_exit(void) +{ +} + +static inline int cxl_debugfs_adapter_add(struct cxl *adapter) +{ + return 0; +} + +static inline void cxl_debugfs_adapter_remove(struct cxl *adapter) +{ +} + +static inline int cxl_debugfs_afu_add(struct cxl_afu *afu) +{ + return 0; +} + +static inline void cxl_debugfs_afu_remove(struct cxl_afu *afu) +{ +} + +static inline void cxl_stop_trace(struct cxl *cxl) +{ +} + +static inline void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, + struct dentry *dir) +{ +} + +static inline void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, + struct dentry *dir) +{ +} + +static inline void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir) +{ +} + +#endif /* CONFIG_DEBUG_FS */ void cxl_handle_fault(struct work_struct *work); void cxl_prefault(struct cxl_context *ctx, u64 wed); @@ -817,8 +875,9 @@ void cxl_dump_debug_buffer(void *addr, size_t size); void init_cxl_native(void); struct cxl_context *cxl_context_alloc(void); -int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master, - struct address_space *mapping); +int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master); +void cxl_context_set_mapping(struct cxl_context *ctx, + struct address_space *mapping); void cxl_context_free(struct cxl_context *ctx); int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma); unsigned int cxl_map_irq(struct cxl *adapter, irq_hw_number_t hwirq, @@ -869,14 +928,11 @@ int cxl_data_cache_flush(struct cxl *adapter); int cxl_afu_disable(struct cxl_afu *afu); int cxl_psl_purge(struct cxl_afu *afu); -void cxl_debugfs_add_adapter_psl_regs(struct cxl *adapter, struct dentry *dir); -void cxl_debugfs_add_adapter_xsl_regs(struct cxl *adapter, struct dentry *dir); -void cxl_debugfs_add_afu_psl_regs(struct cxl_afu *afu, struct dentry *dir); void cxl_native_psl_irq_dump_regs(struct cxl_context *ctx); void cxl_native_err_irq_dump_regs(struct cxl *adapter); -void cxl_stop_trace(struct cxl *cxl); int cxl_pci_vphb_add(struct cxl_afu *afu); void cxl_pci_vphb_remove(struct cxl_afu *afu); +void cxl_release_mapping(struct cxl_context *ctx); extern struct pci_driver cxl_pci_driver; extern struct platform_driver cxl_of_driver; |