[IA64-SGI] sn2 minor fixes and cleanups

General SN2 code cleanup:
 - Do not initialize global variables to zero
 - Use kzalloc instead of kmalloc+memset
 - Check kmalloc return values
 - Do not obfuscate spin lock calls
 - Remove some unused code
 - Various formatting cleanups

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Jes Sorensen 2006-02-13 05:29:57 -05:00 committed by Tony Luck
parent 50d8e59038
commit 8ed9b2c7a8
12 changed files with 111 additions and 162 deletions

View File

@ -23,6 +23,10 @@
#include "xtalk/hubdev.h"
#include "xtalk/xwidgetdev.h"
extern void sn_init_cpei_timer(void);
extern void register_sn_procfs(void);
static struct list_head sn_sysdata_list;
/* sysdata list struct */
@ -40,12 +44,12 @@ struct brick {
struct slab_info slab_info[MAX_SLABS + 1];
};
int sn_ioif_inited = 0; /* SN I/O infrastructure initialized? */
int sn_ioif_inited; /* SN I/O infrastructure initialized? */
struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */
static int max_segment_number = 0; /* Default highest segment number */
static int max_pcibus_number = 255; /* Default highest pci bus number */
static int max_segment_number; /* Default highest segment number */
static int max_pcibus_number = 255; /* Default highest pci bus number */
/*
* Hooks and struct for unsupported pci providers
@ -84,7 +88,6 @@ static inline u64
sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
u64 address)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
@ -94,7 +97,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
(u64) nasid, (u64) widget_num,
(u64) device_num, (u64) address, 0, 0, 0);
return ret_stuff.status;
}
/*
@ -102,7 +104,6 @@ sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
*/
static inline u64 sal_get_hubdev_info(u64 handle, u64 address)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
@ -118,7 +119,6 @@ static inline u64 sal_get_hubdev_info(u64 handle, u64 address)
*/
static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
@ -215,7 +215,7 @@ static void __init sn_fixup_ionodes(void)
struct hubdev_info *hubdev;
u64 status;
u64 nasid;
int i, widget, device;
int i, widget, device, size;
/*
* Get SGI Specific HUB chipset information.
@ -251,48 +251,37 @@ static void __init sn_fixup_ionodes(void)
if (!hubdev->hdi_flush_nasid_list.widget_p)
continue;
size = (HUB_WIDGET_ID_MAX + 1) *
sizeof(struct sn_flush_device_kernel *);
hubdev->hdi_flush_nasid_list.widget_p =
kmalloc((HUB_WIDGET_ID_MAX + 1) *
sizeof(struct sn_flush_device_kernel *),
GFP_KERNEL);
memset(hubdev->hdi_flush_nasid_list.widget_p, 0x0,
(HUB_WIDGET_ID_MAX + 1) *
sizeof(struct sn_flush_device_kernel *));
kzalloc(size, GFP_KERNEL);
if (!hubdev->hdi_flush_nasid_list.widget_p)
BUG();
for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) {
sn_flush_device_kernel = kmalloc(DEV_PER_WIDGET *
sizeof(struct
sn_flush_device_kernel),
GFP_KERNEL);
size = DEV_PER_WIDGET *
sizeof(struct sn_flush_device_kernel);
sn_flush_device_kernel = kzalloc(size, GFP_KERNEL);
if (!sn_flush_device_kernel)
BUG();
memset(sn_flush_device_kernel, 0x0,
DEV_PER_WIDGET *
sizeof(struct sn_flush_device_kernel));
dev_entry = sn_flush_device_kernel;
for (device = 0; device < DEV_PER_WIDGET;
device++,dev_entry++) {
dev_entry->common = kmalloc(sizeof(struct
sn_flush_device_common),
GFP_KERNEL);
size = sizeof(struct sn_flush_device_common);
dev_entry->common = kzalloc(size, GFP_KERNEL);
if (!dev_entry->common)
BUG();
memset(dev_entry->common, 0x0, sizeof(struct
sn_flush_device_common));
if (sn_prom_feature_available(
PRF_DEVICE_FLUSH_LIST))
status = sal_get_device_dmaflush_list(
nasid,
widget,
device,
(u64)(dev_entry->common));
nasid, widget, device,
(u64)(dev_entry->common));
else
status = sn_device_fixup_war(nasid,
widget,
device,
dev_entry->common);
widget, device,
dev_entry->common);
if (status != SALRET_OK)
panic("SAL call failed: %s\n",
ia64_sal_strerror(status));
@ -383,13 +372,12 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
pci_dev_get(dev); /* for the sysdata pointer */
pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
if (pcidev_info <= 0)
if (!pcidev_info)
BUG(); /* Cannot afford to run out of memory */
sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
if (sn_irq_info <= 0)
sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
if (!sn_irq_info)
BUG(); /* Cannot afford to run out of memory */
memset(sn_irq_info, 0, sizeof(struct sn_irq_info));
/* Call to retrieve pci device information needed by kernel. */
status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number,
@ -482,13 +470,13 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
*/
void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
{
int status = 0;
int status;
int nasid, cnode;
struct pci_controller *controller;
struct sn_pci_controller *sn_controller;
struct pcibus_bussoft *prom_bussoft_ptr;
struct hubdev_info *hubdev_info;
void *provider_soft = NULL;
void *provider_soft;
struct sn_pcibus_provider *provider;
status = sal_get_pcibus_info((u64) segment, (u64) busnum,
@ -535,6 +523,8 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
bus->sysdata = controller;
if (provider->bus_fixup)
provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller);
else
provider_soft = NULL;
if (provider_soft == NULL) {
/* fixup failed or not applicable */
@ -638,13 +628,8 @@ void sn_bus_free_sysdata(void)
static int __init sn_pci_init(void)
{
int i = 0;
int j = 0;
int i, j;
struct pci_dev *pci_dev = NULL;
extern void sn_init_cpei_timer(void);
#ifdef CONFIG_PROC_FS
extern void register_sn_procfs(void);
#endif
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
return 0;
@ -700,32 +685,29 @@ static int __init sn_pci_init(void)
*/
void hubdev_init_node(nodepda_t * npda, cnodeid_t node)
{
struct hubdev_info *hubdev_info;
int size;
pg_data_t *pg;
size = sizeof(struct hubdev_info);
if (node >= num_online_nodes()) /* Headless/memless IO nodes */
hubdev_info =
(struct hubdev_info *)alloc_bootmem_node(NODE_DATA(0),
sizeof(struct
hubdev_info));
pg = NODE_DATA(0);
else
hubdev_info =
(struct hubdev_info *)alloc_bootmem_node(NODE_DATA(node),
sizeof(struct
hubdev_info));
npda->pdinfo = (void *)hubdev_info;
pg = NODE_DATA(node);
hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size);
npda->pdinfo = (void *)hubdev_info;
}
geoid_t
cnodeid_get_geoid(cnodeid_t cnode)
{
struct hubdev_info *hubdev;
hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo);
return hubdev->hdi_geoid;
}
subsys_initcall(sn_pci_init);

View File

@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1999,2001-2004 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (C) 1999,2001-2004, 2006 Silicon Graphics, Inc. All Rights Reserved.
*
* Module to export the system's Firmware Interface Tables, including
* PROM revision numbers and banners, in /proc
@ -190,7 +190,7 @@ static int
read_version_entry(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int len = 0;
int len;
/* data holds the NASID of the node */
len = dump_version(page, (unsigned long)data);
@ -202,7 +202,7 @@ static int
read_fit_entry(char *page, char **start, off_t off, int count, int *eof,
void *data)
{
int len = 0;
int len;
/* data holds the NASID of the node */
len = dump_fit(page, (unsigned long)data);
@ -229,13 +229,16 @@ int __init prominfo_init(void)
struct proc_dir_entry *p;
cnodeid_t cnodeid;
unsigned long nasid;
int size;
char name[NODE_NAME_LEN];
if (!ia64_platform_is("sn2"))
return 0;
proc_entries = kmalloc(num_online_nodes() * sizeof(struct proc_dir_entry *),
GFP_KERNEL);
size = num_online_nodes() * sizeof(struct proc_dir_entry *);
proc_entries = kzalloc(size, GFP_KERNEL);
if (!proc_entries)
return -ENOMEM;
sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL);
@ -244,14 +247,12 @@ int __init prominfo_init(void)
sprintf(name, "node%d", cnodeid);
*entp = proc_mkdir(name, sgi_prominfo_entry);
nasid = cnodeid_to_nasid(cnodeid);
p = create_proc_read_entry(
"fit", 0, *entp, read_fit_entry,
(void *)nasid);
p = create_proc_read_entry("fit", 0, *entp, read_fit_entry,
(void *)nasid);
if (p)
p->owner = THIS_MODULE;
p = create_proc_read_entry(
"version", 0, *entp, read_version_entry,
(void *)nasid);
p = create_proc_read_entry("version", 0, *entp,
read_version_entry, (void *)nasid);
if (p)
p->owner = THIS_MODULE;
entp++;
@ -263,7 +264,7 @@ int __init prominfo_init(void)
void __exit prominfo_exit(void)
{
struct proc_dir_entry **entp;
unsigned cnodeid;
unsigned int cnodeid;
char name[NODE_NAME_LEN];
entp = proc_entries;

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@ -46,8 +46,14 @@ DECLARE_PER_CPU(struct ptc_stats, ptcstats);
static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock);
void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long);
extern unsigned long
sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long);
void
sn2_ptc_deadlock_recovery(short *, short, short, int,
volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long);
/*
* Note: some is the following is captured here to make degugging easier
@ -59,16 +65,6 @@ void sn2_ptc_deadlock_recovery(short *, short, short, int, volatile unsigned lon
#define reset_max_active_on_deadlock() 1
#define PTC_LOCK(sh1) ((sh1) ? &sn2_global_ptc_lock : &sn_nodepda->ptc_lock)
static inline void ptc_lock(int sh1, unsigned long *flagp)
{
spin_lock_irqsave(PTC_LOCK(sh1), *flagp);
}
static inline void ptc_unlock(int sh1, unsigned long flags)
{
spin_unlock_irqrestore(PTC_LOCK(sh1), flags);
}
struct ptc_stats {
unsigned long ptc_l;
unsigned long change_rid;
@ -82,6 +78,8 @@ struct ptc_stats {
unsigned long shub_ptc_flushes_not_my_mm;
};
#define sn2_ptctest 0
static inline unsigned long wait_piowc(void)
{
volatile unsigned long *piows;
@ -200,7 +198,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
max_active = max_active_pio(shub1);
itc = ia64_get_itc();
ptc_lock(shub1, &flags);
spin_lock_irqsave(PTC_LOCK(shub1), flags);
itc2 = ia64_get_itc();
__get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc;
@ -258,7 +256,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
ia64_srlz_d();
}
ptc_unlock(shub1, flags);
spin_unlock_irqrestore(PTC_LOCK(shub1), flags);
preempt_enable();
}
@ -270,11 +268,12 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
* TLB flush transaction. The recovery sequence is somewhat tricky & is
* coded in assembly language.
*/
void sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, volatile unsigned long *ptc0, unsigned long data0,
volatile unsigned long *ptc1, unsigned long data1)
void
sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid,
volatile unsigned long *ptc0, unsigned long data0,
volatile unsigned long *ptc1, unsigned long data1)
{
extern unsigned long sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long, volatile unsigned long *, unsigned long);
short nasid, i;
unsigned long *piows, zeroval, n;

View File

@ -6,11 +6,11 @@
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/config.h>
#include <asm/uaccess.h>
#ifdef CONFIG_PROC_FS
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include <asm/sn/sn_sal.h>
static int partition_id_show(struct seq_file *s, void *p)
@ -90,10 +90,10 @@ static int coherence_id_open(struct inode *inode, struct file *file)
return single_open(file, coherence_id_show, NULL);
}
static struct proc_dir_entry *sn_procfs_create_entry(
const char *name, struct proc_dir_entry *parent,
int (*openfunc)(struct inode *, struct file *),
int (*releasefunc)(struct inode *, struct file *))
static struct proc_dir_entry
*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
int (*openfunc)(struct inode *, struct file *),
int (*releasefunc)(struct inode *, struct file *))
{
struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
@ -126,24 +126,24 @@ void register_sn_procfs(void)
return;
sn_procfs_create_entry("partition_id", sgi_proc_dir,
partition_id_open, single_release);
partition_id_open, single_release);
sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
system_serial_number_open, single_release);
system_serial_number_open, single_release);
sn_procfs_create_entry("licenseID", sgi_proc_dir,
licenseID_open, single_release);
licenseID_open, single_release);
e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
sn_force_interrupt_open, single_release);
sn_force_interrupt_open, single_release);
if (e)
e->proc_fops->write = sn_force_interrupt_write_proc;
sn_procfs_create_entry("coherence_id", sgi_proc_dir,
coherence_id_open, single_release);
coherence_id_open, single_release);
sn_procfs_create_entry("sn_topology", sgi_proc_dir,
sn_topology_open, sn_topology_release);
sn_topology_open, sn_topology_release);
}
#endif /* CONFIG_PROC_FS */

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@ -284,12 +284,10 @@ struct sn_irq_info *tiocx_irq_alloc(nasid_t nasid, int widget, int irq,
if ((nasid & 1) == 0)
return NULL;
sn_irq_info = kmalloc(sn_irq_size, GFP_KERNEL);
sn_irq_info = kzalloc(sn_irq_size, GFP_KERNEL);
if (sn_irq_info == NULL)
return NULL;
memset(sn_irq_info, 0x0, sn_irq_size);
status = tiocx_intr_alloc(nasid, widget, __pa(sn_irq_info), irq,
req_nasid, slice);
if (status) {

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@ -335,10 +335,10 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
pci_domain_nr(bus), bus->number,
0, /* io */
0, /* read */
port, size, __pa(val));
pci_domain_nr(bus), bus->number,
0, /* io */
0, /* read */
port, size, __pa(val));
if (isrv.status == 0)
return size;
@ -381,10 +381,10 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
*/
SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE,
pci_domain_nr(bus), bus->number,
0, /* io */
1, /* write */
port, size, __pa(&val));
pci_domain_nr(bus), bus->number,
0, /* io */
1, /* write */
port, size, __pa(&val));
if (isrv.status == 0)
return size;

View File

@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2001-2006 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/types.h>
@ -12,7 +12,7 @@
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/pcidev.h>
int pcibr_invalidate_ate = 0; /* by default don't invalidate ATE on free */
int pcibr_invalidate_ate; /* by default don't invalidate ATE on free */
/*
* mark_ate: Mark the ate as either free or inuse.
@ -20,14 +20,12 @@ int pcibr_invalidate_ate = 0; /* by default don't invalidate ATE on free */
static void mark_ate(struct ate_resource *ate_resource, int start, int number,
u64 value)
{
u64 *ate = ate_resource->ate;
int index;
int length = 0;
for (index = start; length < number; index++, length++)
ate[index] = value;
}
/*
@ -37,7 +35,6 @@ static void mark_ate(struct ate_resource *ate_resource, int start, int number,
static int find_free_ate(struct ate_resource *ate_resource, int start,
int count)
{
u64 *ate = ate_resource->ate;
int index;
int start_free;
@ -70,12 +67,10 @@ static int find_free_ate(struct ate_resource *ate_resource, int start,
static inline void free_ate_resource(struct ate_resource *ate_resource,
int start)
{
mark_ate(ate_resource, start, ate_resource->ate[start], 0);
if ((ate_resource->lowest_free_index > start) ||
(ate_resource->lowest_free_index < 0))
ate_resource->lowest_free_index = start;
}
/*
@ -84,7 +79,6 @@ static inline void free_ate_resource(struct ate_resource *ate_resource,
static inline int alloc_ate_resource(struct ate_resource *ate_resource,
int ate_needed)
{
int start_index;
/*
@ -118,19 +112,12 @@ static inline int alloc_ate_resource(struct ate_resource *ate_resource,
*/
int pcibr_ate_alloc(struct pcibus_info *pcibus_info, int count)
{
int status = 0;
u64 flag;
int status;
unsigned long flags;
flag = pcibr_lock(pcibus_info);
spin_lock_irqsave(&pcibus_info->pbi_lock, flags);
status = alloc_ate_resource(&pcibus_info->pbi_int_ate_resource, count);
if (status < 0) {
/* Failed to allocate */
pcibr_unlock(pcibus_info, flag);
return -1;
}
pcibr_unlock(pcibus_info, flag);
spin_unlock_irqrestore(&pcibus_info->pbi_lock, flags);
return status;
}
@ -182,7 +169,7 @@ void pcibr_ate_free(struct pcibus_info *pcibus_info, int index)
ate_write(pcibus_info, index, count, (ate & ~PCI32_ATE_V));
}
flags = pcibr_lock(pcibus_info);
spin_lock_irqsave(&pcibus_info->pbi_lock, flags);
free_ate_resource(&pcibus_info->pbi_int_ate_resource, index);
pcibr_unlock(pcibus_info, flags);
spin_unlock_irqrestore(&pcibus_info->pbi_lock, flags);
}

View File

@ -137,14 +137,12 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr,
pci_addr |= PCI64_ATTR_VIRTUAL;
return pci_addr;
}
static dma_addr_t
pcibr_dmatrans_direct32(struct pcidev_info * info,
u64 paddr, size_t req_size, u64 flags)
{
struct pcidev_info *pcidev_info = info->pdi_host_pcidev_info;
struct pcibus_info *pcibus_info = (struct pcibus_info *)pcidev_info->
pdi_pcibus_info;
@ -171,7 +169,6 @@ pcibr_dmatrans_direct32(struct pcidev_info * info,
}
return PCI32_DIRECT_BASE | offset;
}
/*
@ -218,9 +215,8 @@ void sn_dma_flush(u64 addr)
u64 flags;
u64 itte;
struct hubdev_info *hubinfo;
volatile struct sn_flush_device_kernel *p;
volatile struct sn_flush_device_common *common;
struct sn_flush_device_kernel *p;
struct sn_flush_device_common *common;
struct sn_flush_nasid_entry *flush_nasid_list;
if (!sn_ioif_inited)
@ -310,8 +306,7 @@ void sn_dma_flush(u64 addr)
(common->sfdl_slot - 1));
}
} else {
spin_lock_irqsave((spinlock_t *)&p->sfdl_flush_lock,
flags);
spin_lock_irqsave(&p->sfdl_flush_lock, flags);
*common->sfdl_flush_addr = 0;
/* force an interrupt. */
@ -322,8 +317,7 @@ void sn_dma_flush(u64 addr)
cpu_relax();
/* okay, everything is synched up. */
spin_unlock_irqrestore((spinlock_t *)&p->sfdl_flush_lock,
flags);
spin_unlock_irqrestore(&p->sfdl_flush_lock, flags);
}
return;
}

View File

@ -163,9 +163,12 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
/* Setup the PMU ATE map */
soft->pbi_int_ate_resource.lowest_free_index = 0;
soft->pbi_int_ate_resource.ate =
kmalloc(soft->pbi_int_ate_size * sizeof(u64), GFP_KERNEL);
memset(soft->pbi_int_ate_resource.ate, 0,
(soft->pbi_int_ate_size * sizeof(u64)));
kzalloc(soft->pbi_int_ate_size * sizeof(u64), GFP_KERNEL);
if (!soft->pbi_int_ate_resource.ate) {
kfree(soft);
return NULL;
}
if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) {
/* TIO PCI Bridge: find nearest node with CPUs */

View File

@ -46,7 +46,7 @@
#define BTES_PER_NODE (is_shub2() ? 4 : 2)
#define MAX_BTES_PER_NODE 4
#define BTE2OFF_CTRL (0)
#define BTE2OFF_CTRL 0
#define BTE2OFF_SRC (SH2_BT_ENG_SRC_ADDR_0 - SH2_BT_ENG_CSR_0)
#define BTE2OFF_DEST (SH2_BT_ENG_DEST_ADDR_0 - SH2_BT_ENG_CSR_0)
#define BTE2OFF_NOTIFY (SH2_BT_ENG_NOTIF_ADDR_0 - SH2_BT_ENG_CSR_0)
@ -75,11 +75,11 @@
: base + (BTEOFF_NOTIFY/8))
/* Define hardware modes */
#define BTE_NOTIFY (IBCT_NOTIFY)
#define BTE_NOTIFY IBCT_NOTIFY
#define BTE_NORMAL BTE_NOTIFY
#define BTE_ZERO_FILL (BTE_NOTIFY | IBCT_ZFIL_MODE)
/* Use a reserved bit to let the caller specify a wait for any BTE */
#define BTE_WACQUIRE (0x4000)
#define BTE_WACQUIRE 0x4000
/* Use the BTE on the node with the destination memory */
#define BTE_USE_DEST (BTE_WACQUIRE << 1)
/* Use any available BTE interface on any node for the transfer */

View File

@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1992-1997,2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 1992-1997,2000-2006 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
#define _ASM_IA64_SN_PCI_PCIBR_PROVIDER_H
@ -115,18 +115,6 @@ struct pcibus_info {
spinlock_t pbi_lock;
};
/*
* pcibus_info structure locking macros
*/
inline static unsigned long
pcibr_lock(struct pcibus_info *pcibus_info)
{
unsigned long flag;
spin_lock_irqsave(&pcibus_info->pbi_lock, flag);
return(flag);
}
#define pcibr_unlock(pcibus_info, flag) spin_unlock_irqrestore(&pcibus_info->pbi_lock, flag)
extern int pcibr_init_provider(void);
extern void *pcibr_bus_fixup(struct pcibus_bussoft *, struct pci_controller *);
extern dma_addr_t pcibr_dma_map(struct pci_dev *, unsigned long, size_t);

View File

@ -12,9 +12,6 @@
*/
#include <asm/types.h>
#include <asm/bitops.h>
/* --------------------- PROM Features -----------------------------*/
extern int sn_prom_feature_available(int id);