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authorLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 10:38:02 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 10:38:02 -0700
commit3aed77bc84013fced136977b7cc17fff60eddf7a (patch)
tree75ee4060f58f033deb16771a303fb55dd370b6f9 /include/asm-ppc64
parent0b968d23610d65a46299347b141a687e207bd294 (diff)
parentb2ad7b5e8115582cdf5bbda065aa516c24d62c21 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6
Diffstat (limited to 'include/asm-ppc64')
-rw-r--r--include/asm-ppc64/msgbuf.h27
-rw-r--r--include/asm-ppc64/param.h31
-rw-r--r--include/asm-ppc64/pci-bridge.h45
-rw-r--r--include/asm-ppc64/prom.h19
-rw-r--r--include/asm-ppc64/segment.h6
-rw-r--r--include/asm-ppc64/setup.h6
-rw-r--r--include/asm-ppc64/timex.h26
-rw-r--r--include/asm-ppc64/topology.h69
-rw-r--r--include/asm-ppc64/user.h58
9 files changed, 40 insertions, 247 deletions
diff --git a/include/asm-ppc64/msgbuf.h b/include/asm-ppc64/msgbuf.h
deleted file mode 100644
index 31c1cbf133c..00000000000
--- a/include/asm-ppc64/msgbuf.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#ifndef _PPC64_MSGBUF_H
-#define _PPC64_MSGBUF_H
-
-/*
- * The msqid64_ds structure for the PPC architecture.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-struct msqid64_ds {
- struct ipc64_perm msg_perm;
- __kernel_time_t msg_stime; /* last msgsnd time */
- __kernel_time_t msg_rtime; /* last msgrcv time */
- __kernel_time_t msg_ctime; /* last change time */
- unsigned long msg_cbytes; /* current number of bytes on queue */
- unsigned long msg_qnum; /* number of messages in queue */
- unsigned long msg_qbytes; /* max number of bytes on queue */
- __kernel_pid_t msg_lspid; /* pid of last msgsnd */
- __kernel_pid_t msg_lrpid; /* last receive pid */
- unsigned long __unused1;
- unsigned long __unused2;
-};
-
-#endif /* _PPC64_MSGBUF_H */
diff --git a/include/asm-ppc64/param.h b/include/asm-ppc64/param.h
deleted file mode 100644
index 76c212d475b..00000000000
--- a/include/asm-ppc64/param.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef _ASM_PPC64_PARAM_H
-#define _ASM_PPC64_PARAM_H
-
-#include <linux/config.h>
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifdef __KERNEL__
-# define HZ CONFIG_HZ /* Internal kernel timer frequency */
-# define USER_HZ 100 /* .. some user interfaces are in "ticks" */
-# define CLOCKS_PER_SEC (USER_HZ) /* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE 4096
-
-#ifndef NOGROUP
-#define NOGROUP (-1)
-#endif
-
-#define MAXHOSTNAMELEN 64 /* max length of hostname */
-
-#endif /* _ASM_PPC64_PARAM_H */
diff --git a/include/asm-ppc64/pci-bridge.h b/include/asm-ppc64/pci-bridge.h
index c4f9023ea5e..6b4a5b1f695 100644
--- a/include/asm-ppc64/pci-bridge.h
+++ b/include/asm-ppc64/pci-bridge.h
@@ -48,19 +48,52 @@ struct pci_controller {
unsigned long dma_window_size;
};
+/*
+ * PCI stuff, for nodes representing PCI devices, pointed to
+ * by device_node->data.
+ */
+struct pci_controller;
+struct iommu_table;
+
+struct pci_dn {
+ int busno; /* for pci devices */
+ int bussubno; /* for pci devices */
+ int devfn; /* for pci devices */
+ int eeh_mode; /* See eeh.h for possible EEH_MODEs */
+ int eeh_config_addr;
+ int eeh_capable; /* from firmware */
+ int eeh_check_count; /* # times driver ignored error */
+ int eeh_freeze_count; /* # times this device froze up. */
+ int eeh_is_bridge; /* device is pci-to-pci bridge */
+
+ int pci_ext_config_space; /* for pci devices */
+ struct pci_controller *phb; /* for pci devices */
+ struct iommu_table *iommu_table; /* for phb's or bridges */
+ struct pci_dev *pcidev; /* back-pointer to the pci device */
+ struct device_node *node; /* back-pointer to the device_node */
+ u32 config_space[16]; /* saved PCI config space */
+};
+
+/* Get the pointer to a device_node's pci_dn */
+#define PCI_DN(dn) ((struct pci_dn *) (dn)->data)
+
struct device_node *fetch_dev_dn(struct pci_dev *dev);
-/* Get a device_node from a pci_dev. This code must be fast except in the case
- * where the sysdata is incorrect and needs to be fixed up (hopefully just once)
+/* Get a device_node from a pci_dev. This code must be fast except
+ * in the case where the sysdata is incorrect and needs to be fixed
+ * up (this will only happen once).
+ * In this case the sysdata will have been inherited from a PCI host
+ * bridge or a PCI-PCI bridge further up the tree, so it will point
+ * to a valid struct pci_dn, just not the one we want.
*/
static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
{
struct device_node *dn = dev->sysdata;
+ struct pci_dn *pdn = dn->data;
- if (dn->devfn == dev->devfn && dn->busno == dev->bus->number)
+ if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number)
return dn; /* fast path. sysdata is good */
- else
- return fetch_dev_dn(dev);
+ return fetch_dev_dn(dev);
}
static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
@@ -83,7 +116,7 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
struct device_node *busdn = bus->sysdata;
BUG_ON(busdn == NULL);
- return busdn->phb;
+ return PCI_DN(busdn)->phb;
}
#endif
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
index dc5330b3950..c02ec1d6b90 100644
--- a/include/asm-ppc64/prom.h
+++ b/include/asm-ppc64/prom.h
@@ -116,14 +116,6 @@ struct property {
struct property *next;
};
-/* NOTE: the device_node contains PCI specific info for pci devices.
- * This perhaps could be hung off the device_node with another struct,
- * but for now it is directly in the node. The phb ptr is a good
- * indication of a real PCI node. Other nodes leave these fields zeroed.
- */
-struct pci_controller;
-struct iommu_table;
-
struct device_node {
char *name;
char *type;
@@ -135,16 +127,6 @@ struct device_node {
struct interrupt_info *intrs;
char *full_name;
- /* PCI stuff probably doesn't belong here */
- int busno; /* for pci devices */
- int bussubno; /* for pci devices */
- int devfn; /* for pci devices */
- int eeh_mode; /* See eeh.h for possible EEH_MODEs */
- int eeh_config_addr;
- int pci_ext_config_space; /* for pci devices */
- struct pci_controller *phb; /* for pci devices */
- struct iommu_table *iommu_table; /* for phb's or bridges */
-
struct property *properties;
struct device_node *parent;
struct device_node *child;
@@ -154,6 +136,7 @@ struct device_node {
struct proc_dir_entry *pde; /* this node's proc directory */
struct kref kref;
unsigned long _flags;
+ void *data;
};
extern struct device_node *of_chosen;
diff --git a/include/asm-ppc64/segment.h b/include/asm-ppc64/segment.h
deleted file mode 100644
index d80fb68cc79..00000000000
--- a/include/asm-ppc64/segment.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __PPC64_SEGMENT_H
-#define __PPC64_SEGMENT_H
-
-/* Only here because we have some old header files that expect it.. */
-
-#endif /* __PPC64_SEGMENT_H */
diff --git a/include/asm-ppc64/setup.h b/include/asm-ppc64/setup.h
deleted file mode 100644
index b257b8348c7..00000000000
--- a/include/asm-ppc64/setup.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _PPC_SETUP_H
-#define _PPC_SETUP_H
-
-#define COMMAND_LINE_SIZE 512
-
-#endif /* _PPC_SETUP_H */
diff --git a/include/asm-ppc64/timex.h b/include/asm-ppc64/timex.h
deleted file mode 100644
index 8db4da4064c..00000000000
--- a/include/asm-ppc64/timex.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * linux/include/asm-ppc/timex.h
- *
- * PPC64 architecture timex specifications
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifndef _ASMPPC64_TIMEX_H
-#define _ASMPPC64_TIMEX_H
-
-#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
-
-typedef unsigned long cycles_t;
-
-static inline cycles_t get_cycles(void)
-{
- cycles_t ret;
-
- __asm__ __volatile__("mftb %0" : "=r" (ret) : );
- return ret;
-}
-
-#endif
diff --git a/include/asm-ppc64/topology.h b/include/asm-ppc64/topology.h
deleted file mode 100644
index 1e9b1907323..00000000000
--- a/include/asm-ppc64/topology.h
+++ /dev/null
@@ -1,69 +0,0 @@
-#ifndef _ASM_PPC64_TOPOLOGY_H
-#define _ASM_PPC64_TOPOLOGY_H
-
-#include <linux/config.h>
-#include <asm/mmzone.h>
-
-#ifdef CONFIG_NUMA
-
-static inline int cpu_to_node(int cpu)
-{
- int node;
-
- node = numa_cpu_lookup_table[cpu];
-
-#ifdef DEBUG_NUMA
- BUG_ON(node == -1);
-#endif
-
- return node;
-}
-
-#define parent_node(node) (node)
-
-static inline cpumask_t node_to_cpumask(int node)
-{
- return numa_cpumask_lookup_table[node];
-}
-
-static inline int node_to_first_cpu(int node)
-{
- cpumask_t tmp;
- tmp = node_to_cpumask(node);
- return first_cpu(tmp);
-}
-
-#define pcibus_to_node(node) (-1)
-#define pcibus_to_cpumask(bus) (cpu_online_map)
-
-#define nr_cpus_node(node) (nr_cpus_in_node[node])
-
-/* sched_domains SD_NODE_INIT for PPC64 machines */
-#define SD_NODE_INIT (struct sched_domain) { \
- .span = CPU_MASK_NONE, \
- .parent = NULL, \
- .groups = NULL, \
- .min_interval = 8, \
- .max_interval = 32, \
- .busy_factor = 32, \
- .imbalance_pct = 125, \
- .cache_hot_time = (10*1000000), \
- .cache_nice_tries = 1, \
- .per_cpu_gain = 100, \
- .flags = SD_LOAD_BALANCE \
- | SD_BALANCE_EXEC \
- | SD_BALANCE_NEWIDLE \
- | SD_WAKE_IDLE \
- | SD_WAKE_BALANCE, \
- .last_balance = jiffies, \
- .balance_interval = 1, \
- .nr_balance_failed = 0, \
-}
-
-#else
-
-#include <asm-generic/topology.h>
-
-#endif /* CONFIG_NUMA */
-
-#endif /* _ASM_PPC64_TOPOLOGY_H */
diff --git a/include/asm-ppc64/user.h b/include/asm-ppc64/user.h
deleted file mode 100644
index d7d6554a421..00000000000
--- a/include/asm-ppc64/user.h
+++ /dev/null
@@ -1,58 +0,0 @@
-#ifndef _PPC_USER_H
-#define _PPC_USER_H
-
-/* Adapted from <asm-alpha/user.h>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <asm/ptrace.h>
-#include <asm/page.h>
-
-/*
- * Core file format: The core file is written in such a way that gdb
- * can understand it and provide useful information to the user (under
- * linux we use the `trad-core' bfd, NOT the osf-core). The file contents
- * are as follows:
- *
- * upage: 1 page consisting of a user struct that tells gdb
- * what is present in the file. Directly after this is a
- * copy of the task_struct, which is currently not used by gdb,
- * but it may come in handy at some point. All of the registers
- * are stored as part of the upage. The upage should always be
- * only one page long.
- * data: The data segment follows next. We use current->end_text to
- * current->brk to pick up all of the user variables, plus any memory
- * that may have been sbrk'ed. No attempt is made to determine if a
- * page is demand-zero or if a page is totally unused, we just cover
- * the entire range. All of the addresses are rounded in such a way
- * that an integral number of pages is written.
- * stack: We need the stack information in order to get a meaningful
- * backtrace. We need to write the data from usp to
- * current->start_stack, so we round each of these in order to be able
- * to write an integer number of pages.
- */
-struct user {
- struct pt_regs regs; /* entire machine state */
- size_t u_tsize; /* text size (pages) */
- size_t u_dsize; /* data size (pages) */
- size_t u_ssize; /* stack size (pages) */
- unsigned long start_code; /* text starting address */
- unsigned long start_data; /* data starting address */
- unsigned long start_stack; /* stack starting address */
- long int signal; /* signal causing core dump */
- struct regs * u_ar0; /* help gdb find registers */
- unsigned long magic; /* identifies a core file */
- char u_comm[32]; /* user command name */
-};
-
-#define NBPG PAGE_SIZE
-#define UPAGES 1
-#define HOST_TEXT_START_ADDR (u.start_code)
-#define HOST_DATA_START_ADDR (u.start_data)
-#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-
-#endif /* _PPC_USER_H */