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path: root/drivers/char/ipmi/ipmi_si.h
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si.h')
-rw-r--r--drivers/char/ipmi/ipmi_si.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/char/ipmi/ipmi_si.h b/drivers/char/ipmi/ipmi_si.h
new file mode 100644
index 000000000..a7ead2a4c
--- /dev/null
+++ b/drivers/char/ipmi/ipmi_si.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * ipmi_si.h
+ *
+ * Interface from the device-specific interfaces (OF, DMI, ACPI, PCI,
+ * etc) to the base ipmi system interface code.
+ */
+
+#ifndef __IPMI_SI_H__
+#define __IPMI_SI_H__
+
+#include <linux/ipmi.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+
+#define SI_DEVICE_NAME "ipmi_si"
+
+#define DEFAULT_REGSPACING 1
+#define DEFAULT_REGSIZE 1
+
+/* Numbers in this enumerator should be mapped to si_to_str[] */
+enum si_type {
+ SI_TYPE_INVALID, SI_KCS, SI_SMIC, SI_BT, SI_TYPE_MAX
+};
+
+/* Array is defined in the ipmi_si_intf.c */
+extern const char *const si_to_str[];
+
+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;
+ enum si_type si_type;
+ 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_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
+
+int ipmi_si_port_setup(struct si_sm_io *io);
+int ipmi_si_mem_setup(struct si_sm_io *io);
+
+#endif /* __IPMI_SI_H__ */