drivers/char/ipmi/ipmi_si.h

Source file repositories/reference/linux-study-clean/drivers/char/ipmi/ipmi_si.h

File Facts

System
Linux kernel
Corpus path
drivers/char/ipmi/ipmi_si.h
Extension
.h
Size
3383 bytes
Lines
123
Domain
Driver Families
Bucket
drivers/char
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ipmi_match_info {
	enum si_type type;
};

extern const struct ipmi_match_info ipmi_kcs_si_info;
extern const struct ipmi_match_info ipmi_smic_si_info;
extern const struct ipmi_match_info ipmi_bt_si_info;

enum ipmi_addr_space {
	IPMI_IO_ADDR_SPACE, IPMI_MEM_ADDR_SPACE
};

/*
 * The structure for doing I/O in the state machine.  The state
 * machine doesn't have the actual I/O routines, they are done through
 * this interface.
 */
struct si_sm_io {
	unsigned char (*inputb)(const struct si_sm_io *io, unsigned int offset);
	void (*outputb)(const struct si_sm_io *io,
			unsigned int  offset,
			unsigned char b);

	/*
	 * Generic info used by the actual handling routines, the
	 * state machine shouldn't touch these.
	 */
	void __iomem *addr;
	unsigned int regspacing;
	unsigned int regsize;
	unsigned int regshift;
	enum ipmi_addr_space addr_space;
	unsigned long addr_data;
	enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
	union ipmi_smi_info_union addr_info;

	int (*io_setup)(struct si_sm_io *info);
	void (*io_cleanup)(struct si_sm_io *info);
	unsigned int io_size;

	int irq;
	int (*irq_setup)(struct si_sm_io *io);
	void *irq_handler_data;
	void (*irq_cleanup)(struct si_sm_io *io);

	u8 slave_addr;
	const struct ipmi_match_info *si_info;
	struct device *dev;
};

int ipmi_si_add_smi(struct si_sm_io *io);
irqreturn_t ipmi_si_irq_handler(int irq, void *data);
void ipmi_irq_start_cleanup(struct si_sm_io *io);
int ipmi_std_irq_setup(struct si_sm_io *io);
void ipmi_irq_finish_setup(struct si_sm_io *io);
void ipmi_si_remove_by_dev(struct device *dev);
struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
				      unsigned long addr);
void ipmi_hardcode_init(void);
void ipmi_si_hardcode_exit(void);
void ipmi_si_hotmod_exit(void);
int ipmi_si_hardcode_match(int addr_space, unsigned long addr);
void ipmi_si_platform_init(void);
void ipmi_si_platform_shutdown(void);
void ipmi_remove_platform_device_by_name(char *name);

extern struct platform_driver ipmi_platform_driver;

#ifdef CONFIG_PCI
void ipmi_si_pci_init(void);
void ipmi_si_pci_shutdown(void);
#else
static inline void ipmi_si_pci_init(void) { }
static inline void ipmi_si_pci_shutdown(void) { }
#endif
#ifdef CONFIG_IPMI_LS2K
void ipmi_si_ls2k_init(void);
void ipmi_si_ls2k_shutdown(void);
#else
static inline void ipmi_si_ls2k_init(void) { }
static inline void ipmi_si_ls2k_shutdown(void) { }
#endif
#ifdef CONFIG_PARISC
void ipmi_si_parisc_init(void);
void ipmi_si_parisc_shutdown(void);
#else
static inline void ipmi_si_parisc_init(void) { }
static inline void ipmi_si_parisc_shutdown(void) { }
#endif

Annotation

Implementation Notes