mirror of https://gitee.com/openkylin/linux.git
ppc64: Remove duplicate versions of some headers
This removes three headers from include/asm-ppc64 that are now in include/asm-powerpc and are sufficiently similar that they can be used with ARCH=ppc64. Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras
parent
5629d41d5c
commit
7e130edf71
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/*
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* Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
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* Rewrite, cleanup:
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* Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _ASM_IOMMU_H
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#define _ASM_IOMMU_H
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#include <asm/types.h>
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#include <linux/spinlock.h>
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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/*
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* IOMAP_MAX_ORDER defines the largest contiguous block
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* of dma space we can get. IOMAP_MAX_ORDER = 13
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* allows up to 2**12 pages (4096 * 4096) = 16 MB
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*/
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#define IOMAP_MAX_ORDER 13
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struct iommu_table {
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unsigned long it_busno; /* Bus number this table belongs to */
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unsigned long it_size; /* Size of iommu table in entries */
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unsigned long it_offset; /* Offset into global table */
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unsigned long it_base; /* mapped address of tce table */
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unsigned long it_index; /* which iommu table this is */
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unsigned long it_type; /* type: PCI or Virtual Bus */
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unsigned long it_blocksize; /* Entries in each block (cacheline) */
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unsigned long it_hint; /* Hint for next alloc */
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unsigned long it_largehint; /* Hint for large allocs */
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unsigned long it_halfpoint; /* Breaking point for small/large allocs */
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spinlock_t it_lock; /* Protects it_map */
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unsigned long *it_map; /* A simple allocation bitmap for now */
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};
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struct scatterlist;
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struct device_node;
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#ifdef CONFIG_PPC_MULTIPLATFORM
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/* Walks all buses and creates iommu tables */
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extern void iommu_setup_pSeries(void);
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extern void iommu_setup_u3(void);
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/* Frees table for an individual device node */
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extern void iommu_free_table(struct device_node *dn);
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#endif /* CONFIG_PPC_MULTIPLATFORM */
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#ifdef CONFIG_PPC_PSERIES
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/* Creates table for an individual device node */
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extern void iommu_devnode_init_pSeries(struct device_node *dn);
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#endif /* CONFIG_PPC_PSERIES */
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#ifdef CONFIG_PPC_ISERIES
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/* Creates table for an individual device node */
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extern void iommu_devnode_init_iSeries(struct device_node *dn);
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#endif /* CONFIG_PPC_ISERIES */
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/* Initializes an iommu_table based in values set in the passed-in
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* structure
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*/
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extern struct iommu_table *iommu_init_table(struct iommu_table * tbl);
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extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
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struct scatterlist *sglist, int nelems,
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enum dma_data_direction direction);
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extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
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int nelems, enum dma_data_direction direction);
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extern void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
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dma_addr_t *dma_handle, gfp_t flag);
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extern void iommu_free_coherent(struct iommu_table *tbl, size_t size,
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void *vaddr, dma_addr_t dma_handle);
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extern dma_addr_t iommu_map_single(struct iommu_table *tbl, void *vaddr,
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size_t size, enum dma_data_direction direction);
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extern void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
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size_t size, enum dma_data_direction direction);
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extern void iommu_init_early_pSeries(void);
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extern void iommu_init_early_iSeries(void);
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extern void iommu_init_early_u3(void);
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#ifdef CONFIG_PCI
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extern void pci_iommu_init(void);
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extern void pci_direct_iommu_init(void);
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#else
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static inline void pci_iommu_init(void) { }
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#endif
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extern void alloc_u3_dart_table(void);
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#endif /* _ASM_IOMMU_H */
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@ -1,25 +0,0 @@
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#ifndef _PPC64_PSERIES_RECONFIG_H
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#define _PPC64_PSERIES_RECONFIG_H
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#include <linux/notifier.h>
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/*
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* Use this API if your code needs to know about OF device nodes being
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* added or removed on pSeries systems.
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*/
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#define PSERIES_RECONFIG_ADD 0x0001
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#define PSERIES_RECONFIG_REMOVE 0x0002
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#ifdef CONFIG_PPC_PSERIES
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extern int pSeries_reconfig_notifier_register(struct notifier_block *);
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extern void pSeries_reconfig_notifier_unregister(struct notifier_block *);
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#else /* !CONFIG_PPC_PSERIES */
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static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb)
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{
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return 0;
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}
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static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { }
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#endif /* CONFIG_PPC_PSERIES */
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#endif /* _PPC64_PSERIES_RECONFIG_H */
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#ifndef _PPC64_RTAS_H
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#define _PPC64_RTAS_H
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#include <linux/spinlock.h>
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#include <asm/page.h>
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/*
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* Definitions for talking to the RTAS on CHRP machines.
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*
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* Copyright (C) 2001 Peter Bergner
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* Copyright (C) 2001 PPC 64 Team, IBM Corp
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#define RTAS_UNKNOWN_SERVICE (-1)
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#define RTAS_INSTANTIATE_MAX (1UL<<30) /* Don't instantiate rtas at/above this value */
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/* Buffer size for ppc_rtas system call. */
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#define RTAS_RMOBUF_MAX (64 * 1024)
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/* RTAS return status codes */
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#define RTAS_BUSY -2 /* RTAS Busy */
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#define RTAS_EXTENDED_DELAY_MIN 9900
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#define RTAS_EXTENDED_DELAY_MAX 9905
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/*
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* In general to call RTAS use rtas_token("string") to lookup
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* an RTAS token for the given string (e.g. "event-scan").
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* To actually perform the call use
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* ret = rtas_call(token, n_in, n_out, ...)
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* Where n_in is the number of input parameters and
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* n_out is the number of output parameters
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*
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* If the "string" is invalid on this system, RTAS_UNKNOWN_SERVICE
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* will be returned as a token. rtas_call() does look for this
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* token and error out gracefully so rtas_call(rtas_token("str"), ...)
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* may be safely used for one-shot calls to RTAS.
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*
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*/
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typedef u32 rtas_arg_t;
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struct rtas_args {
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u32 token;
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u32 nargs;
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u32 nret;
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rtas_arg_t args[16];
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rtas_arg_t *rets; /* Pointer to return values in args[]. */
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};
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extern struct rtas_args rtas_stop_self_args;
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struct rtas_t {
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unsigned long entry; /* physical address pointer */
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unsigned long base; /* physical address pointer */
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unsigned long size;
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spinlock_t lock;
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struct rtas_args args;
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struct device_node *dev; /* virtual address pointer */
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};
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/* RTAS event classes */
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#define RTAS_INTERNAL_ERROR 0x80000000 /* set bit 0 */
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#define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */
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#define RTAS_POWERMGM_EVENTS 0x20000000 /* set bit 2 */
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#define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */
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#define RTAS_EVENT_SCAN_ALL_EVENTS 0xf0000000
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/* RTAS event severity */
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#define RTAS_SEVERITY_FATAL 0x5
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#define RTAS_SEVERITY_ERROR 0x4
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#define RTAS_SEVERITY_ERROR_SYNC 0x3
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#define RTAS_SEVERITY_WARNING 0x2
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#define RTAS_SEVERITY_EVENT 0x1
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#define RTAS_SEVERITY_NO_ERROR 0x0
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/* RTAS event disposition */
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#define RTAS_DISP_FULLY_RECOVERED 0x0
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#define RTAS_DISP_LIMITED_RECOVERY 0x1
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#define RTAS_DISP_NOT_RECOVERED 0x2
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/* RTAS event initiator */
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#define RTAS_INITIATOR_UNKNOWN 0x0
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#define RTAS_INITIATOR_CPU 0x1
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#define RTAS_INITIATOR_PCI 0x2
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#define RTAS_INITIATOR_ISA 0x3
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#define RTAS_INITIATOR_MEMORY 0x4
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#define RTAS_INITIATOR_POWERMGM 0x5
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/* RTAS event target */
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#define RTAS_TARGET_UNKNOWN 0x0
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#define RTAS_TARGET_CPU 0x1
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#define RTAS_TARGET_PCI 0x2
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#define RTAS_TARGET_ISA 0x3
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#define RTAS_TARGET_MEMORY 0x4
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#define RTAS_TARGET_POWERMGM 0x5
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/* RTAS event type */
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#define RTAS_TYPE_RETRY 0x01
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#define RTAS_TYPE_TCE_ERR 0x02
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#define RTAS_TYPE_INTERN_DEV_FAIL 0x03
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#define RTAS_TYPE_TIMEOUT 0x04
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#define RTAS_TYPE_DATA_PARITY 0x05
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#define RTAS_TYPE_ADDR_PARITY 0x06
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#define RTAS_TYPE_CACHE_PARITY 0x07
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#define RTAS_TYPE_ADDR_INVALID 0x08
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#define RTAS_TYPE_ECC_UNCORR 0x09
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#define RTAS_TYPE_ECC_CORR 0x0a
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#define RTAS_TYPE_EPOW 0x40
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#define RTAS_TYPE_PLATFORM 0xE0
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#define RTAS_TYPE_IO 0xE1
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#define RTAS_TYPE_INFO 0xE2
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#define RTAS_TYPE_DEALLOC 0xE3
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#define RTAS_TYPE_DUMP 0xE4
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/* I don't add PowerMGM events right now, this is a different topic */
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#define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
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#define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
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#define RTAS_TYPE_PMGM_LID_OPEN 0x62
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#define RTAS_TYPE_PMGM_LID_CLOSE 0x63
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#define RTAS_TYPE_PMGM_SLEEP_BTN 0x64
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#define RTAS_TYPE_PMGM_WAKE_BTN 0x65
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#define RTAS_TYPE_PMGM_BATTERY_WARN 0x66
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#define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67
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#define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68
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#define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69
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#define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a
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#define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b
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#define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c
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#define RTAS_TYPE_PMGM_RING_INDICATE 0x6d
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#define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e
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#define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
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#define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
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#define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
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struct rtas_error_log {
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unsigned long version:8; /* Architectural version */
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unsigned long severity:3; /* Severity level of error */
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unsigned long disposition:2; /* Degree of recovery */
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unsigned long extended:1; /* extended log present? */
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unsigned long /* reserved */ :2; /* Reserved for future use */
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unsigned long initiator:4; /* Initiator of event */
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unsigned long target:4; /* Target of failed operation */
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unsigned long type:8; /* General event or error*/
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unsigned long extended_log_length:32; /* length in bytes */
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unsigned char buffer[1];
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};
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struct flash_block {
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char *data;
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unsigned long length;
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};
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/* This struct is very similar but not identical to
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* that needed by the rtas flash update.
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* All we need to do for rtas is rewrite num_blocks
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* into a version/length and translate the pointers
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* to absolute.
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*/
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#define FLASH_BLOCKS_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct flash_block))
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struct flash_block_list {
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unsigned long num_blocks;
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struct flash_block_list *next;
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struct flash_block blocks[FLASH_BLOCKS_PER_NODE];
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};
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struct flash_block_list_header { /* just the header of flash_block_list */
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unsigned long num_blocks;
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struct flash_block_list *next;
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};
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extern struct flash_block_list_header rtas_firmware_flash_list;
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extern struct rtas_t rtas;
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extern void enter_rtas(unsigned long);
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extern int rtas_token(const char *service);
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extern int rtas_call(int token, int, int, int *, ...);
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extern void call_rtas_display_status(unsigned char);
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extern void rtas_restart(char *cmd);
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extern void rtas_power_off(void);
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extern void rtas_halt(void);
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extern void rtas_os_term(char *str);
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extern int rtas_get_sensor(int sensor, int index, int *state);
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extern int rtas_get_power_level(int powerdomain, int *level);
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extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
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extern int rtas_set_indicator(int indicator, int index, int new_value);
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extern void rtas_progress(char *s, unsigned short hex);
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extern void rtas_initialize(void);
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struct rtc_time;
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extern void rtas_get_boot_time(struct rtc_time *rtc_time);
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extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
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extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
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/* Given an RTAS status code of 9900..9905 compute the hinted delay */
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unsigned int rtas_extended_busy_delay_time(int status);
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static inline int rtas_is_extended_busy(int status)
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{
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return status >= 9900 && status <= 9909;
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}
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extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
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/* Error types logged. */
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#define ERR_FLAG_ALREADY_LOGGED 0x0
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#define ERR_FLAG_BOOT 0x1 /* log was pulled from NVRAM on boot */
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#define ERR_TYPE_RTAS_LOG 0x2 /* from rtas event-scan */
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#define ERR_TYPE_KERNEL_PANIC 0x4 /* from panic() */
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/* All the types and not flags */
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#define ERR_TYPE_MASK (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC)
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#define RTAS_DEBUG KERN_DEBUG "RTAS: "
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#define RTAS_ERROR_LOG_MAX 2048
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/*
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* Return the firmware-specified size of the error log buffer
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* for all rtas calls that require an error buffer argument.
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* This includes 'check-exception' and 'rtas-last-error'.
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*/
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extern int rtas_get_error_log_max(void);
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/* Event Scan Parameters */
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#define EVENT_SCAN_ALL_EVENTS 0xf0000000
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#define SURVEILLANCE_TOKEN 9000
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#define LOG_NUMBER 64 /* must be a power of two */
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#define LOG_NUMBER_MASK (LOG_NUMBER-1)
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/* Some RTAS ops require a data buffer and that buffer must be < 4G.
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* Rather than having a memory allocator, just use this buffer
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* (get the lock first), make the RTAS call. Copy the data instead
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* of holding the buffer for long.
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*/
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#define RTAS_DATA_BUF_SIZE 4096
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extern spinlock_t rtas_data_buf_lock;
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extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
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extern void rtas_stop_self(void);
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/* RMO buffer reserved for user-space RTAS use */
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extern unsigned long rtas_rmo_buf;
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#define GLOBAL_INTERRUPT_QUEUE 9005
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#endif /* _PPC64_RTAS_H */
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