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Commit bcdd3a91 authored by Tony Luck's avatar Tony Luck
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Pull ngam-maule-steiner into release branch

parents b946ecbb d1e079b3
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Showing with 2385 additions and 294 deletions
arch/ia64/sn/include/tio.h
View file @ bcdd3a91
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_TIO_H
......@@ -26,6 +26,10 @@
#define TIO_ITTE_VALID_MASK 0x1
#define TIO_ITTE_VALID_SHIFT 16
#define TIO_ITTE_WIDGET(itte) \
(((itte) >> TIO_ITTE_WIDGET_SHIFT) & TIO_ITTE_WIDGET_MASK)
#define TIO_ITTE_VALID(itte) \
(((itte) >> TIO_ITTE_VALID_SHIFT) & TIO_ITTE_VALID_MASK)
#define TIO_ITTE_PUT(nasid, bigwin, widget, addr, valid) \
REMOTE_HUB_S((nasid), TIO_ITTE(bigwin), \
......
arch/ia64/sn/include/xtalk/hubdev.h
View file @ bcdd3a91
......@@ -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, 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_XTALK_HUBDEV_H
#define _ASM_IA64_SN_XTALK_HUBDEV_H
......@@ -16,6 +16,9 @@
#define IIO_ITTE_WIDGET_MASK ((1<<IIO_ITTE_WIDGET_BITS)-1)
#define IIO_ITTE_WIDGET_SHIFT 8
#define IIO_ITTE_WIDGET(itte) \
(((itte) >> IIO_ITTE_WIDGET_SHIFT) & IIO_ITTE_WIDGET_MASK)
/*
* Use the top big window as a surrogate for the first small window
*/
......@@ -34,7 +37,8 @@ struct sn_flush_device_list {
unsigned long sfdl_force_int_addr;
unsigned long sfdl_flush_value;
volatile unsigned long *sfdl_flush_addr;
uint64_t sfdl_persistent_busnum;
uint32_t sfdl_persistent_busnum;
uint32_t sfdl_persistent_segment;
struct pcibus_info *sfdl_pcibus_info;
spinlock_t sfdl_flush_lock;
};
......@@ -58,7 +62,8 @@ struct hubdev_info {
void *hdi_nodepda;
void *hdi_node_vertex;
void *hdi_xtalk_vertex;
uint32_t max_segment_number;
uint32_t max_pcibus_number;
};
extern void hubdev_init_node(nodepda_t *, cnodeid_t);
......
arch/ia64/sn/kernel/bte.c
View file @ bcdd3a91
......@@ -29,16 +29,30 @@
/* two interfaces on two btes */
#define MAX_INTERFACES_TO_TRY 4
#define MAX_NODES_TO_TRY 2
static struct bteinfo_s *bte_if_on_node(nasid_t nasid, int interface)
{
nodepda_t *tmp_nodepda;
if (nasid_to_cnodeid(nasid) == -1)
return (struct bteinfo_s *)NULL;;
tmp_nodepda = NODEPDA(nasid_to_cnodeid(nasid));
return &tmp_nodepda->bte_if[interface];
}
static inline void bte_start_transfer(struct bteinfo_s *bte, u64 len, u64 mode)
{
if (is_shub2()) {
BTE_CTRL_STORE(bte, (IBLS_BUSY | ((len) | (mode) << 24)));
} else {
BTE_LNSTAT_STORE(bte, len);
BTE_CTRL_STORE(bte, mode);
}
}
/************************************************************************
* Block Transfer Engine copy related functions.
*
......@@ -67,13 +81,15 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
{
u64 transfer_size;
u64 transfer_stat;
u64 notif_phys_addr;
struct bteinfo_s *bte;
bte_result_t bte_status;
unsigned long irq_flags;
unsigned long itc_end = 0;
struct bteinfo_s *btes_to_try[MAX_INTERFACES_TO_TRY];
int bte_if_index;
int bte_pri, bte_sec;
int nasid_to_try[MAX_NODES_TO_TRY];
int my_nasid = get_nasid();
int bte_if_index, nasid_index;
int bte_first, btes_per_node = BTES_PER_NODE;
BTE_PRINTK(("bte_copy(0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%p)\n",
src, dest, len, mode, notification));
......@@ -86,36 +102,26 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
(src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK));
BUG_ON(!(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT)));
/* CPU 0 (per node) tries bte0 first, CPU 1 try bte1 first */
if (cpuid_to_subnode(smp_processor_id()) == 0) {
bte_pri = 0;
bte_sec = 1;
} else {
bte_pri = 1;
bte_sec = 0;
}
/*
* Start with interface corresponding to cpu number
*/
bte_first = raw_smp_processor_id() % btes_per_node;
if (mode & BTE_USE_DEST) {
/* try remote then local */
btes_to_try[0] = bte_if_on_node(NASID_GET(dest), bte_pri);
btes_to_try[1] = bte_if_on_node(NASID_GET(dest), bte_sec);
nasid_to_try[0] = NASID_GET(dest);
if (mode & BTE_USE_ANY) {
btes_to_try[2] = bte_if_on_node(get_nasid(), bte_pri);
btes_to_try[3] = bte_if_on_node(get_nasid(), bte_sec);
nasid_to_try[1] = my_nasid;
} else {
btes_to_try[2] = NULL;
btes_to_try[3] = NULL;
nasid_to_try[1] = (int)NULL;
}
} else {
/* try local then remote */
btes_to_try[0] = bte_if_on_node(get_nasid(), bte_pri);
btes_to_try[1] = bte_if_on_node(get_nasid(), bte_sec);
nasid_to_try[0] = my_nasid;
if (mode & BTE_USE_ANY) {
btes_to_try[2] = bte_if_on_node(NASID_GET(dest), bte_pri);
btes_to_try[3] = bte_if_on_node(NASID_GET(dest), bte_sec);
nasid_to_try[1] = NASID_GET(dest);
} else {
btes_to_try[2] = NULL;
btes_to_try[3] = NULL;
nasid_to_try[1] = (int)NULL;
}
}
......@@ -123,11 +129,12 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
do {
local_irq_save(irq_flags);
bte_if_index = 0;
bte_if_index = bte_first;
nasid_index = 0;
/* Attempt to lock one of the BTE interfaces. */
while (bte_if_index < MAX_INTERFACES_TO_TRY) {
bte = btes_to_try[bte_if_index++];
while (nasid_index < MAX_NODES_TO_TRY) {
bte = bte_if_on_node(nasid_to_try[nasid_index],bte_if_index);
if (bte == NULL) {
continue;
......@@ -143,6 +150,15 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
break;
}
}
bte_if_index = (bte_if_index + 1) % btes_per_node; /* Next interface */
if (bte_if_index == bte_first) {
/*
* We've tried all interfaces on this node
*/
nasid_index++;
}
bte = NULL;
}
......@@ -169,7 +185,13 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
/* Initialize the notification to a known value. */
*bte->most_rcnt_na = BTE_WORD_BUSY;
notif_phys_addr = TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na));
if (is_shub2()) {
src = SH2_TIO_PHYS_TO_DMA(src);
dest = SH2_TIO_PHYS_TO_DMA(dest);
notif_phys_addr = SH2_TIO_PHYS_TO_DMA(notif_phys_addr);
}
/* Set the source and destination registers */
BTE_PRINTKV(("IBSA = 0x%lx)\n", (TO_PHYS(src))));
BTE_SRC_STORE(bte, TO_PHYS(src));
......@@ -177,14 +199,12 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
BTE_DEST_STORE(bte, TO_PHYS(dest));
/* Set the notification register */
BTE_PRINTKV(("IBNA = 0x%lx)\n",
TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na))));
BTE_NOTIF_STORE(bte,
TO_PHYS(ia64_tpa((unsigned long)bte->most_rcnt_na)));
BTE_PRINTKV(("IBNA = 0x%lx)\n", notif_phys_addr));
BTE_NOTIF_STORE(bte, notif_phys_addr);
/* Initiate the transfer */
BTE_PRINTK(("IBCT = 0x%lx)\n", BTE_VALID_MODE(mode)));
BTE_START_TRANSFER(bte, transfer_size, BTE_VALID_MODE(mode));
bte_start_transfer(bte, transfer_size, BTE_VALID_MODE(mode));
itc_end = ia64_get_itc() + (40000000 * local_cpu_data->cyc_per_usec);
......@@ -195,6 +215,7 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
}
while ((transfer_stat = *bte->most_rcnt_na) == BTE_WORD_BUSY) {
cpu_relax();
if (ia64_get_itc() > itc_end) {
BTE_PRINTK(("BTE timeout nasid 0x%x bte%d IBLS = 0x%lx na 0x%lx\n",
NASID_GET(bte->bte_base_addr), bte->bte_num,
......
arch/ia64/sn/kernel/huberror.c
View file @ bcdd3a91
......@@ -76,7 +76,7 @@ void hubiio_crb_free(struct hubdev_info *hubdev_info, int crbnum)
*/
REMOTE_HUB_S(hubdev_info->hdi_nasid, IIO_ICDR, (IIO_ICDR_PND | crbnum));
while (REMOTE_HUB_L(hubdev_info->hdi_nasid, IIO_ICDR) & IIO_ICDR_PND)
udelay(1);
cpu_relax();
}
......
arch/ia64/sn/kernel/io_init.c
View file @ bcdd3a91
......@@ -18,6 +18,7 @@
#include <asm/sn/simulator.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/tioca_provider.h>
#include <asm/sn/tioce_provider.h>
#include "xtalk/hubdev.h"
#include "xtalk/xwidgetdev.h"
......@@ -44,6 +45,9 @@ int sn_ioif_inited = 0; /* 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 */
/*
* Hooks and struct for unsupported pci providers
*/
......@@ -157,13 +161,28 @@ static void sn_fixup_ionodes(void)
uint64_t nasid;
int i, widget;
/*
* Get SGI Specific HUB chipset information.
* Inform Prom that this kernel can support domain bus numbering.
*/
for (i = 0; i < numionodes; i++) {
hubdev = (struct hubdev_info *)(NODEPDA(i)->pdinfo);
nasid = cnodeid_to_nasid(i);
hubdev->max_segment_number = 0xffffffff;
hubdev->max_pcibus_number = 0xff;
status = sal_get_hubdev_info(nasid, (uint64_t) __pa(hubdev));
if (status)
continue;
/* Save the largest Domain and pcibus numbers found. */
if (hubdev->max_segment_number) {
/*
* Dealing with a Prom that supports segments.
*/
max_segment_number = hubdev->max_segment_number;
max_pcibus_number = hubdev->max_pcibus_number;
}
/* Attach the error interrupt handlers */
if (nasid & 1)
ice_error_init(hubdev);
......@@ -230,7 +249,7 @@ void sn_pci_unfixup_slot(struct pci_dev *dev)
void sn_pci_fixup_slot(struct pci_dev *dev)
{
int idx;
int segment = 0;
int segment = pci_domain_nr(dev->bus);
int status = 0;
struct pcibus_bussoft *bs;
struct pci_bus *host_pci_bus;
......@@ -283,9 +302,9 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
* PCI host_pci_dev struct and set up host bus linkages
*/
bus_no = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32;
bus_no = (SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32) & 0xff;
devfn = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle & 0xffffffff;
host_pci_bus = pci_find_bus(pci_domain_nr(dev->bus), bus_no);
host_pci_bus = pci_find_bus(segment, bus_no);
host_pci_dev = pci_get_slot(host_pci_bus, devfn);
SN_PCIDEV_INFO(dev)->host_pci_dev = host_pci_dev;
......@@ -333,6 +352,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
prom_bussoft_ptr = __va(prom_bussoft_ptr);
controller = kcalloc(1,sizeof(struct pci_controller), GFP_KERNEL);
controller->segment = segment;
if (!controller)
BUG();
......@@ -390,7 +410,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
if (controller->node >= num_online_nodes()) {
struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%lu"
printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u"
"L_IO=%lx L_MEM=%lx BASE=%lx\n",
b->bs_asic_type, b->bs_xid, b->bs_persist_busnum,
b->bs_legacy_io, b->bs_legacy_mem, b->bs_base);
......@@ -445,6 +465,7 @@ void sn_bus_free_sysdata(void)
static int __init sn_pci_init(void)
{
int i = 0;
int j = 0;
struct pci_dev *pci_dev = NULL;
extern void sn_init_cpei_timer(void);
#ifdef CONFIG_PROC_FS
......@@ -464,6 +485,7 @@ static int __init sn_pci_init(void)
pcibr_init_provider();
tioca_init_provider();
tioce_init_provider();
/*
* This is needed to avoid bounce limit checks in the blk layer
......@@ -479,8 +501,9 @@ static int __init sn_pci_init(void)
#endif
/* busses are not known yet ... */
for (i = 0; i < PCI_BUSES_TO_SCAN; i++)
sn_pci_controller_fixup(0, i, NULL);
for (i = 0; i <= max_segment_number; i++)
for (j = 0; j <= max_pcibus_number; j++)
sn_pci_controller_fixup(i, j, NULL);
/*
* Generic Linux PCI Layer has created the pci_bus and pci_dev
......
arch/ia64/sn/kernel/irq.c
View file @ bcdd3a91
......@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <linux/irq.h>
......@@ -76,15 +76,13 @@ static void sn_enable_irq(unsigned int irq)
static void sn_ack_irq(unsigned int irq)
{
uint64_t event_occurred, mask = 0;
int nasid;
u64 event_occurred, mask = 0;
irq = irq & 0xff;
nasid = get_nasid();
event_occurred =
HUB_L((uint64_t *) GLOBAL_MMR_ADDR(nasid, SH_EVENT_OCCURRED));
HUB_L((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED));
mask = event_occurred & SH_ALL_INT_MASK;
HUB_S((uint64_t *) GLOBAL_MMR_ADDR(nasid, SH_EVENT_OCCURRED_ALIAS),
HUB_S((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED_ALIAS),
mask);
__set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
......@@ -93,15 +91,12 @@ static void sn_ack_irq(unsigned int irq)
static void sn_end_irq(unsigned int irq)
{
int nasid;
int ivec;
uint64_t event_occurred;
u64 event_occurred;
ivec = irq & 0xff;
if (ivec == SGI_UART_VECTOR) {
nasid = get_nasid();
event_occurred = HUB_L((uint64_t *) GLOBAL_MMR_ADDR
(nasid, SH_EVENT_OCCURRED));
event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR (SH_EVENT_OCCURRED));
/* If the UART bit is set here, we may have received an
* interrupt from the UART that the driver missed. To
* make sure, we IPI ourselves to force us to look again.
......@@ -132,6 +127,7 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
int local_widget, status;
nasid_t local_nasid;
struct sn_irq_info *new_irq_info;
struct sn_pcibus_provider *pci_provider;
new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
if (new_irq_info == NULL)
......@@ -171,8 +167,9 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
new_irq_info->irq_cpuid = cpuid;
register_intr_pda(new_irq_info);
if (IS_PCI_BRIDGE_ASIC(new_irq_info->irq_bridge_type))
pcibr_change_devices_irq(new_irq_info);
pci_provider = sn_pci_provider[new_irq_info->irq_bridge_type];
if (pci_provider && pci_provider->target_interrupt)
(pci_provider->target_interrupt)(new_irq_info);
spin_lock(&sn_irq_info_lock);
list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
......@@ -317,6 +314,16 @@ void sn_irq_unfixup(struct pci_dev *pci_dev)
pci_dev_put(pci_dev);
}
static inline void
sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info)
{
struct sn_pcibus_provider *pci_provider;
pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type];
if (pci_provider && pci_provider->force_interrupt)
(*pci_provider->force_interrupt)(sn_irq_info);
}
static void force_interrupt(int irq)
{
struct sn_irq_info *sn_irq_info;
......@@ -325,11 +332,9 @@ static void force_interrupt(int irq)
return;
rcu_read_lock();
list_for_each_entry_rcu(sn_irq_info, sn_irq_lh[irq], list) {
if (IS_PCI_BRIDGE_ASIC(sn_irq_info->irq_bridge_type) &&
(sn_irq_info->irq_bridge != NULL))
pcibr_force_interrupt(sn_irq_info);
}
list_for_each_entry_rcu(sn_irq_info, sn_irq_lh[irq], list)
sn_call_force_intr_provider(sn_irq_info);
rcu_read_unlock();
}
......@@ -351,6 +356,14 @@ static void sn_check_intr(int irq, struct sn_irq_info *sn_irq_info)
struct pcidev_info *pcidev_info;
struct pcibus_info *pcibus_info;
/*
* Bridge types attached to TIO (anything but PIC) do not need this WAR
* since they do not target Shub II interrupt registers. If that
* ever changes, this check needs to accomodate.
*/
if (sn_irq_info->irq_bridge_type != PCIIO_ASIC_TYPE_PIC)
return;
pcidev_info = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
if (!pcidev_info)
return;
......@@ -377,16 +390,12 @@ static void sn_check_intr(int irq, struct sn_irq_info *sn_irq_info)
break;
}
if (!test_bit(irr_bit, &irr_reg)) {
if (!test_bit(irq, pda->sn_soft_irr)) {
if (!test_bit(irq, pda->sn_in_service_ivecs)) {
regval &= 0xff;
if (sn_irq_info->irq_int_bit & regval &
sn_irq_info->irq_last_intr) {
regval &=
~(sn_irq_info->
irq_int_bit & regval);
pcibr_force_interrupt(sn_irq_info);
}
regval &= ~(sn_irq_info->irq_int_bit & regval);
sn_call_force_intr_provider(sn_irq_info);
}
}
}
......@@ -404,12 +413,6 @@ void sn_lb_int_war_check(void)
rcu_read_lock();
for (i = pda->sn_first_irq; i <= pda->sn_last_irq; i++) {
list_for_each_entry_rcu(sn_irq_info, sn_irq_lh[i], list) {
/*
* Only call for PCI bridges that are fully
* initialized.
*/
if (IS_PCI_BRIDGE_ASIC(sn_irq_info->irq_bridge_type) &&
(sn_irq_info->irq_bridge != NULL))
sn_check_intr(i, sn_irq_info);
}
}
......
arch/ia64/sn/kernel/setup.c
View file @ bcdd3a91
......@@ -80,8 +80,6 @@ EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
EXPORT_PER_CPU_SYMBOL(__sn_nodepda);
partid_t sn_partid = -1;
EXPORT_SYMBOL(sn_partid);
char sn_system_serial_number_string[128];
EXPORT_SYMBOL(sn_system_serial_number_string);
u64 sn_partition_serial_number;
......@@ -403,6 +401,7 @@ static void __init sn_init_pdas(char **cmdline_p)
memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
memset(nodepdaindr[cnode]->phys_cpuid, -1,
sizeof(nodepdaindr[cnode]->phys_cpuid));
spin_lock_init(&nodepdaindr[cnode]->ptc_lock);
}
/*
......@@ -532,8 +531,8 @@ void __init sn_cpu_init(void)
*/
{
u64 pio1[] = {SH1_PIO_WRITE_STATUS_0, 0, SH1_PIO_WRITE_STATUS_1, 0};
u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1,
SH2_PIO_WRITE_STATUS_2, SH2_PIO_WRITE_STATUS_3};
u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_2,
SH2_PIO_WRITE_STATUS_1, SH2_PIO_WRITE_STATUS_3};
u64 *pio;
pio = is_shub1() ? pio1 : pio2;
pda->pio_write_status_addr = (volatile unsigned long *) LOCAL_MMR_ADDR(pio[slice]);
......
arch/ia64/sn/kernel/sn2/ptc_deadlock.S
View file @ bcdd3a91
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <asm/types.h>
......@@ -11,7 +11,7 @@
#define DEADLOCKBIT SH_PIO_WRITE_STATUS_WRITE_DEADLOCK_SHFT
#define WRITECOUNTMASK SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK
#define ALIAS_OFFSET (SH1_PIO_WRITE_STATUS_0_ALIAS-SH1_PIO_WRITE_STATUS_0)
#define ALIAS_OFFSET 8
.global sn2_ptc_deadlock_recovery_core
......@@ -36,13 +36,15 @@ sn2_ptc_deadlock_recovery_core:
extr.u piowcphy=piowc,0,61;; // Convert piowc to uncached physical address
dep piowcphy=-1,piowcphy,63,1
movl mask=WRITECOUNTMASK
mov r8=r0
1:
add scr2=ALIAS_OFFSET,piowc // Address of WRITE_STATUS alias register
mov scr1=7;; // Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR
st8.rel [scr2]=scr1;;
;;
ld8.acq scr1=[scr2];;
5: ld8.acq scr1=[piowc];; // Wait for PIOs to complete.
hint @pause
and scr2=scr1,mask;; // mask of writecount bits
cmp.ne p6,p0=zeroval,scr2
(p6) br.cond.sptk 5b
......@@ -57,6 +59,7 @@ sn2_ptc_deadlock_recovery_core:
st8.rel [ptc0]=data0 // Write PTC0 & wait for completion.
5: ld8.acq scr1=[piowcphy];; // Wait for PIOs to complete.
hint @pause
and scr2=scr1,mask;; // mask of writecount bits
cmp.ne p6,p0=zeroval,scr2
(p6) br.cond.sptk 5b;;
......@@ -67,6 +70,7 @@ sn2_ptc_deadlock_recovery_core:
(p7) st8.rel [ptc1]=data1;; // Now write PTC1.
5: ld8.acq scr1=[piowcphy];; // Wait for PIOs to complete.
hint @pause
and scr2=scr1,mask;; // mask of writecount bits
cmp.ne p6,p0=zeroval,scr2
(p6) br.cond.sptk 5b
......@@ -77,6 +81,7 @@ sn2_ptc_deadlock_recovery_core:
srlz.i;;
////////////// END PHYSICAL MODE ////////////////////
(p8) add r8=1,r8
(p8) br.cond.spnt 1b;; // Repeat if DEADLOCK occurred.
br.ret.sptk rp
......
arch/ia64/sn/kernel/sn2/sn2_smp.c
View file @ bcdd3a91
......@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/init.h>
......@@ -20,6 +20,8 @@
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/nodemask.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <asm/processor.h>
#include <asm/irq.h>
......@@ -39,12 +41,120 @@
#include <asm/sn/nodepda.h>
#include <asm/sn/rw_mmr.h>
void sn2_ptc_deadlock_recovery(volatile unsigned long *, unsigned long data0,
volatile unsigned long *, unsigned long data1);
DEFINE_PER_CPU(struct ptc_stats, ptcstats);
DECLARE_PER_CPU(struct ptc_stats, ptcstats);
static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock);
static unsigned long sn2_ptc_deadlock_count;
void sn2_ptc_deadlock_recovery(short *, short, int, volatile unsigned long *, unsigned long data0,
volatile unsigned long *, unsigned long data1);
#ifdef DEBUG_PTC
/*
* ptctest:
*
* xyz - 3 digit hex number:
* x - Force PTC purges to use shub:
* 0 - no force
* 1 - force
* y - interupt enable
* 0 - disable interrupts
* 1 - leave interuupts enabled
* z - type of lock:
* 0 - global lock
* 1 - node local lock
* 2 - no lock
*
* Note: on shub1, only ptctest == 0 is supported. Don't try other values!
*/
static unsigned int sn2_ptctest = 0;
static int __init ptc_test(char *str)
{
get_option(&str, &sn2_ptctest);
return 1;
}
__setup("ptctest=", ptc_test);
static inline int ptc_lock(unsigned long *flagp)
{
unsigned long opt = sn2_ptctest & 255;
switch (opt) {
case 0x00:
spin_lock_irqsave(&sn2_global_ptc_lock, *flagp);
break;
case 0x01:
spin_lock_irqsave(&sn_nodepda->ptc_lock, *flagp);
break;
case 0x02:
local_irq_save(*flagp);
break;
case 0x10:
spin_lock(&sn2_global_ptc_lock);
break;
case 0x11:
spin_lock(&sn_nodepda->ptc_lock);
break;
case 0x12:
break;
default:
BUG();
}
return opt;
}
static inline void ptc_unlock(unsigned long flags, int opt)
{
switch (opt) {
case 0x00:
spin_unlock_irqrestore(&sn2_global_ptc_lock, flags);
break;
case 0x01:
spin_unlock_irqrestore(&sn_nodepda->ptc_lock, flags);
break;
case 0x02:
local_irq_restore(flags);
break;
case 0x10:
spin_unlock(&sn2_global_ptc_lock);
break;
case 0x11:
spin_unlock(&sn_nodepda->ptc_lock);
break;
case 0x12:
break;
default:
BUG();
}
}
#else
#define sn2_ptctest 0
static inline int ptc_lock(unsigned long *flagp)
{
spin_lock_irqsave(&sn2_global_ptc_lock, *flagp);
return 0;
}
static inline void ptc_unlock(unsigned long flags, int opt)
{
spin_unlock_irqrestore(&sn2_global_ptc_lock, flags);
}
#endif
struct ptc_stats {
unsigned long ptc_l;
unsigned long change_rid;
unsigned long shub_ptc_flushes;
unsigned long nodes_flushed;
unsigned long deadlocks;
unsigned long lock_itc_clocks;
unsigned long shub_itc_clocks;
unsigned long shub_itc_clocks_max;
};
static inline unsigned long wait_piowc(void)
{
......@@ -89,9 +199,9 @@ void
sn2_global_tlb_purge(unsigned long start, unsigned long end,
unsigned long nbits)
{
int i, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0;
int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0;
volatile unsigned long *ptc0, *ptc1;
unsigned long flags = 0, data0 = 0, data1 = 0;
unsigned long itc, itc2, flags, data0 = 0, data1 = 0;
struct mm_struct *mm = current->active_mm;
short nasids[MAX_NUMNODES], nix;
nodemask_t nodes_flushed;
......@@ -114,16 +224,19 @@ sn2_global_tlb_purge(unsigned long start, unsigned long end,
start += (1UL << nbits);
} while (start < end);
ia64_srlz_i();
__get_cpu_var(ptcstats).ptc_l++;
preempt_enable();
return;
}
if (atomic_read(&mm->mm_users) == 1) {
flush_tlb_mm(mm);
__get_cpu_var(ptcstats).change_rid++;
preempt_enable();
return;
}
itc = ia64_get_itc();
nix = 0;
for_each_node_mask(cnode, nodes_flushed)
nasids[nix++] = cnodeid_to_nasid(cnode);
......@@ -148,7 +261,12 @@ sn2_global_tlb_purge(unsigned long start, unsigned long end,
mynasid = get_nasid();
spin_lock_irqsave(&sn2_global_ptc_lock, flags);
itc = ia64_get_itc();
opt = ptc_lock(&flags);
itc2 = ia64_get_itc();
__get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc;
__get_cpu_var(ptcstats).shub_ptc_flushes++;
__get_cpu_var(ptcstats).nodes_flushed += nix;
do {
if (shub1)
......@@ -157,7 +275,7 @@ sn2_global_tlb_purge(unsigned long start, unsigned long end,
data0 = (data0 & ~SH2_PTC_ADDR_MASK) | (start & SH2_PTC_ADDR_MASK);
for (i = 0; i < nix; i++) {
nasid = nasids[i];
if (unlikely(nasid == mynasid)) {
if ((!(sn2_ptctest & 3)) && unlikely(nasid == mynasid)) {
ia64_ptcga(start, nbits << 2);
ia64_srlz_i();
} else {
......@@ -169,18 +287,22 @@ sn2_global_tlb_purge(unsigned long start, unsigned long end,
flushed = 1;
}
}
if (flushed
&& (wait_piowc() &
SH_PIO_WRITE_STATUS_WRITE_DEADLOCK_MASK)) {
sn2_ptc_deadlock_recovery(ptc0, data0, ptc1, data1);
(SH_PIO_WRITE_STATUS_WRITE_DEADLOCK_MASK))) {
sn2_ptc_deadlock_recovery(nasids, nix, mynasid, ptc0, data0, ptc1, data1);
}
start += (1UL << nbits);
} while (start < end);
spin_unlock_irqrestore(&sn2_global_ptc_lock, flags);
itc2 = ia64_get_itc() - itc2;
__get_cpu_var(ptcstats).shub_itc_clocks += itc2;
if (itc2 > __get_cpu_var(ptcstats).shub_itc_clocks_max)
__get_cpu_var(ptcstats).shub_itc_clocks_max = itc2;
ptc_unlock(flags, opt);
preempt_enable();
}
......@@ -192,31 +314,29 @@ sn2_global_tlb_purge(unsigned long start, unsigned long end,
* TLB flush transaction. The recovery sequence is somewhat tricky & is
* coded in assembly language.
*/
void sn2_ptc_deadlock_recovery(volatile unsigned long *ptc0, unsigned long data0,
void sn2_ptc_deadlock_recovery(short *nasids, short nix, int mynasid, volatile unsigned long *ptc0, unsigned long data0,
volatile unsigned long *ptc1, unsigned long data1)
{
extern void sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long,
volatile unsigned long *, unsigned long, volatile unsigned long *, unsigned long);
int cnode, mycnode, nasid;
volatile unsigned long *piows;
volatile unsigned long zeroval;
short nasid, i;
unsigned long *piows, zeroval;
sn2_ptc_deadlock_count++;
__get_cpu_var(ptcstats).deadlocks++;
piows = pda->pio_write_status_addr;
piows = (unsigned long *) pda->pio_write_status_addr;
zeroval = pda->pio_write_status_val;
mycnode = numa_node_id();
for_each_online_node(cnode) {
if (is_headless_node(cnode) || cnode == mycnode)
for (i=0; i < nix; i++) {
nasid = nasids[i];
if (!(sn2_ptctest & 3) && nasid == mynasid)
continue;
nasid = cnodeid_to_nasid(cnode);
ptc0 = CHANGE_NASID(nasid, ptc0);
if (ptc1)
ptc1 = CHANGE_NASID(nasid, ptc1);
sn2_ptc_deadlock_recovery_core(ptc0, data0, ptc1, data1, piows, zeroval);
}
}
/**
......@@ -293,3 +413,93 @@ void sn2_send_IPI(int cpuid, int vector, int delivery_mode, int redirect)
sn_send_IPI_phys(nasid, physid, vector, delivery_mode);
}
#ifdef CONFIG_PROC_FS
#define PTC_BASENAME "sgi_sn/ptc_statistics"
static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset)
{
if (*offset < NR_CPUS)
return offset;
return NULL;
}
static void *sn2_ptc_seq_next(struct seq_file *file, void *data, loff_t * offset)
{
(*offset)++;
if (*offset < NR_CPUS)
return offset;
return NULL;
}
static void sn2_ptc_seq_stop(struct seq_file *file, void *data)
{
}
static int sn2_ptc_seq_show(struct seq_file *file, void *data)
{
struct ptc_stats *stat;
int cpu;
cpu = *(loff_t *) data;
if (!cpu) {
seq_printf(file, "# ptc_l change_rid shub_ptc_flushes shub_nodes_flushed deadlocks lock_nsec shub_nsec shub_nsec_max\n");
seq_printf(file, "# ptctest %d\n", sn2_ptctest);
}
if (cpu < NR_CPUS && cpu_online(cpu)) {
stat = &per_cpu(ptcstats, cpu);
seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld\n", cpu, stat->ptc_l,
stat->change_rid, stat->shub_ptc_flushes, stat->nodes_flushed,
stat->deadlocks,
1000 * stat->lock_itc_clocks / per_cpu(cpu_info, cpu).cyc_per_usec,
1000 * stat->shub_itc_clocks / per_cpu(cpu_info, cpu).cyc_per_usec,
1000 * stat->shub_itc_clocks_max / per_cpu(cpu_info, cpu).cyc_per_usec);
}
return 0;
}
static struct seq_operations sn2_ptc_seq_ops = {
.start = sn2_ptc_seq_start,
.next = sn2_ptc_seq_next,
.stop = sn2_ptc_seq_stop,
.show = sn2_ptc_seq_show
};
int sn2_ptc_proc_open(struct inode *inode, struct file *file)
{
return seq_open(file, &sn2_ptc_seq_ops);
}
static struct file_operations proc_sn2_ptc_operations = {
.open = sn2_ptc_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static struct proc_dir_entry *proc_sn2_ptc;
static int __init sn2_ptc_init(void)
{
if (!(proc_sn2_ptc = create_proc_entry(PTC_BASENAME, 0444, NULL))) {
printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME);
return -EINVAL;
}
proc_sn2_ptc->proc_fops = &proc_sn2_ptc_operations;
spin_lock_init(&sn2_global_ptc_lock);
return 0;
}
static void __exit sn2_ptc_exit(void)
{
remove_proc_entry(PTC_BASENAME, NULL);
}
module_init(sn2_ptc_init);
module_exit(sn2_ptc_exit);
#endif /* CONFIG_PROC_FS */
arch/ia64/sn/kernel/sn2/sn_hwperf.c
View file @ bcdd3a91
This diff is collapsed.
arch/ia64/sn/kernel/sn2/sn_proc_fs.c
View file @ bcdd3a91
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/config.h>
#include <asm/uaccess.h>
......@@ -15,7 +15,7 @@
static int partition_id_show(struct seq_file *s, void *p)
{
seq_printf(s, "%d\n", sn_local_partid());
seq_printf(s, "%d\n", sn_partition_id);
return 0;
}
......
arch/ia64/sn/kernel/sn2/timer_interrupt.c
View file @ bcdd3a91
/*
*
*
* Copyright (c) 2003 Silicon Graphics, Inc. All Rights Reserved.
* Copyright (c) 2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License
......@@ -50,6 +50,7 @@ void sn_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
LED_CPU_HEARTBEAT, LED_CPU_HEARTBEAT);
}
if (is_shub1()) {
if (enable_shub_wars_1_1()) {
/* Bugfix code for SHUB 1.1 */
if (pda->pio_shub_war_cam_addr)
......@@ -60,4 +61,5 @@ void sn_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
pda->sn_lb_int_war_ticks++;
if (pda->sn_lb_int_war_ticks >= SN_LB_INT_WAR_INTERVAL)
pda->sn_lb_int_war_ticks = 0;
}
}
arch/ia64/sn/pci/Makefile
View file @ bcdd3a91
......@@ -7,4 +7,4 @@
#
# Makefile for the sn pci general routines.
obj-y := pci_dma.o tioca_provider.o pcibr/
obj-y := pci_dma.o tioca_provider.o tioce_provider.o pcibr/
arch/ia64/sn/pci/pcibr/pcibr_dma.c
View file @ bcdd3a91
......@@ -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) 2001-2005 Silicon Graphics, Inc. All rights reserved.
*/
#include <linux/types.h>
......@@ -215,8 +215,8 @@ void sn_dma_flush(uint64_t addr)
int is_tio;
int wid_num;
int i, j;
int bwin;
uint64_t flags;
uint64_t itte;
struct hubdev_info *hubinfo;
volatile struct sn_flush_device_list *p;
struct sn_flush_nasid_entry *flush_nasid_list;
......@@ -233,31 +233,36 @@ void sn_dma_flush(uint64_t addr)
if (!hubinfo) {
BUG();
}
is_tio = (nasid & 1);
if (is_tio) {
wid_num = TIO_SWIN_WIDGETNUM(addr);
bwin = TIO_BWIN_WINDOWNUM(addr);
} else {
wid_num = SWIN_WIDGETNUM(addr);
bwin = BWIN_WINDOWNUM(addr);
}
flush_nasid_list = &hubinfo->hdi_flush_nasid_list;
if (flush_nasid_list->widget_p == NULL)
return;
if (bwin > 0) {
uint64_t itte = flush_nasid_list->iio_itte[bwin];
is_tio = (nasid & 1);
if (is_tio) {
wid_num = (itte >> TIO_ITTE_WIDGET_SHIFT) &
TIO_ITTE_WIDGET_MASK;
int itte_index;
if (TIO_HWIN(addr))
itte_index = 0;
else if (TIO_BWIN_WINDOWNUM(addr))
itte_index = TIO_BWIN_WINDOWNUM(addr);
else
itte_index = -1;
if (itte_index >= 0) {
itte = flush_nasid_list->iio_itte[itte_index];
if (! TIO_ITTE_VALID(itte))
return;
wid_num = TIO_ITTE_WIDGET(itte);
} else
wid_num = TIO_SWIN_WIDGETNUM(addr);
} else {
wid_num = (itte >> IIO_ITTE_WIDGET_SHIFT) &
IIO_ITTE_WIDGET_MASK;
}
if (BWIN_WINDOWNUM(addr)) {
itte = flush_nasid_list->iio_itte[BWIN_WINDOWNUM(addr)];
wid_num = IIO_ITTE_WIDGET(itte);
} else
wid_num = SWIN_WIDGETNUM(addr);
}
if (flush_nasid_list->widget_p == NULL)
return;
if (flush_nasid_list->widget_p[wid_num] == NULL)
return;
p = &flush_nasid_list->widget_p[wid_num][0];
......@@ -283,10 +288,16 @@ void sn_dma_flush(uint64_t addr)
/*
* For TIOCP use the Device(x) Write Request Buffer Flush Bridge
* register since it ensures the data has entered the coherence
* domain, unlike PIC
* domain, unlike PIC.
*/
if (is_tio) {
uint32_t tio_id = REMOTE_HUB_L(nasid, TIO_NODE_ID);
/*
* Note: devices behind TIOCE should never be matched in the
* above code, and so the following code is PIC/CP centric.
* If CE ever needs the sn_dma_flush mechanism, we will have
* to account for that here and in tioce_bus_fixup().
*/
uint32_t tio_id = HUB_L(TIO_IOSPACE_ADDR(nasid, TIO_NODE_ID));
uint32_t revnum = XWIDGET_PART_REV_NUM(tio_id);
/* TIOCP BRINGUP WAR (PV907516): Don't write buffer flush reg */
......@@ -306,7 +317,8 @@ void sn_dma_flush(uint64_t addr)
*(volatile uint32_t *)(p->sfdl_force_int_addr) = 1;
/* wait for the interrupt to come back. */
while (*(p->sfdl_flush_addr) != 0x10f) ;
while (*(p->sfdl_flush_addr) != 0x10f)
cpu_relax();
/* okay, everything is synched up. */
spin_unlock_irqrestore((spinlock_t *)&p->sfdl_flush_lock, flags);
......
arch/ia64/sn/pci/pcibr/pcibr_provider.c
View file @ bcdd3a91
......@@ -15,6 +15,7 @@
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/pcidev.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/sn2/sn_hwperf.h>
#include "xtalk/xwidgetdev.h"
#include "xtalk/hubdev.h"
......@@ -60,7 +61,7 @@ static int sal_pcibr_error_interrupt(struct pcibus_info *soft)
ret_stuff.status = 0;
ret_stuff.v0 = 0;
segment = 0;
segment = soft->pbi_buscommon.bs_persist_segment;
busnum = soft->pbi_buscommon.bs_persist_busnum;
SAL_CALL_NOLOCK(ret_stuff,
(u64) SN_SAL_IOIF_ERROR_INTERRUPT,
......@@ -88,6 +89,7 @@ void *
pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller)
{
int nasid, cnode, j;
cnodeid_t near_cnode;
struct hubdev_info *hubdev_info;
struct pcibus_info *soft;
struct sn_flush_device_list *sn_flush_device_list;
......@@ -115,7 +117,7 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
/*
* register the bridge's error interrupt handler
*/
if (request_irq(SGI_PCIBR_ERROR, (void *)pcibr_error_intr_handler,
if (request_irq(SGI_PCIASIC_ERROR, (void *)pcibr_error_intr_handler,
SA_SHIRQ, "PCIBR error", (void *)(soft))) {
printk(KERN_WARNING
"pcibr cannot allocate interrupt for error handler\n");
......@@ -142,9 +144,12 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
j++, sn_flush_device_list++) {
if (sn_flush_device_list->sfdl_slot == -1)
continue;
if (sn_flush_device_list->
if ((sn_flush_device_list->
sfdl_persistent_segment ==
soft->pbi_buscommon.bs_persist_segment) &&
(sn_flush_device_list->
sfdl_persistent_busnum ==
soft->pbi_buscommon.bs_persist_busnum)
soft->pbi_buscommon.bs_persist_busnum))
sn_flush_device_list->sfdl_pcibus_info =
soft;
}
......@@ -158,12 +163,18 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
memset(soft->pbi_int_ate_resource.ate, 0,
(soft->pbi_int_ate_size * sizeof(uint64_t)));
if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP)
/*
* TIO PCI Bridge with no closest node information.
* FIXME: Find another way to determine the closest node
*/
controller->node = -1;
if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) {
/* TIO PCI Bridge: find nearest node with CPUs */
int e = sn_hwperf_get_nearest_node(cnode, NULL, &near_cnode);
if (e < 0) {
near_cnode = (cnodeid_t)-1; /* use any node */
printk(KERN_WARNING "pcibr_bus_fixup: failed to find "
"near node with CPUs to TIO node %d, err=%d\n",
cnode, e);
}
controller->node = near_cnode;
}
else
controller->node = cnode;
return soft;
......@@ -175,6 +186,9 @@ void pcibr_force_interrupt(struct sn_irq_info *sn_irq_info)
struct pcibus_info *pcibus_info;
int bit = sn_irq_info->irq_int_bit;
if (! sn_irq_info->irq_bridge)
return;
pcidev_info = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
if (pcidev_info) {
pcibus_info =
......@@ -184,7 +198,7 @@ void pcibr_force_interrupt(struct sn_irq_info *sn_irq_info)
}
}
void pcibr_change_devices_irq(struct sn_irq_info *sn_irq_info)
void pcibr_target_interrupt(struct sn_irq_info *sn_irq_info)
{
struct pcidev_info *pcidev_info;
struct pcibus_info *pcibus_info;
......@@ -219,6 +233,8 @@ struct sn_pcibus_provider pcibr_provider = {
.dma_map_consistent = pcibr_dma_map_consistent,
.dma_unmap = pcibr_dma_unmap,
.bus_fixup = pcibr_bus_fixup,
.force_interrupt = pcibr_force_interrupt,
.target_interrupt = pcibr_target_interrupt
};
int
......
arch/ia64/sn/pci/tioca_provider.c
View file @ bcdd3a91
......@@ -559,7 +559,7 @@ tioca_error_intr_handler(int irq, void *arg, struct pt_regs *pt)
ret_stuff.status = 0;
ret_stuff.v0 = 0;
segment = 0;
segment = soft->ca_common.bs_persist_segment;
busnum = soft->ca_common.bs_persist_busnum;
SAL_CALL_NOLOCK(ret_stuff,
......@@ -622,7 +622,8 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
nasid_to_cnodeid(tioca_common->ca_closest_nasid);
tioca_common->ca_kernel_private = (uint64_t) tioca_kern;
bus = pci_find_bus(0, tioca_common->ca_common.bs_persist_busnum);
bus = pci_find_bus(tioca_common->ca_common.bs_persist_segment,
tioca_common->ca_common.bs_persist_busnum);
BUG_ON(!bus);
tioca_kern->ca_devices = &bus->devices;
......@@ -656,6 +657,8 @@ static struct sn_pcibus_provider tioca_pci_interfaces = {
.dma_map_consistent = tioca_dma_map,
.dma_unmap = tioca_dma_unmap,
.bus_fixup = tioca_bus_fixup,
.force_interrupt = NULL,
.target_interrupt = NULL
};
/**
......
arch/ia64/sn/pci/tioce_provider.c 0 → 100644
View file @ bcdd3a91
This diff is collapsed.
include/asm-ia64/sn/addrs.h
View file @ bcdd3a91
......@@ -3,7 +3,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (c) 1992-1999,2001-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (c) 1992-1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_ADDRS_H
......@@ -126,6 +126,7 @@
#define GLOBAL_MMR_PHYS_ADDR(n,a) (GLOBAL_PHYS_MMR_SPACE | REMOTE_ADDR(n,a))
#define GLOBAL_CAC_ADDR(n,a) (CAC_BASE | REMOTE_ADDR(n,a))
#define CHANGE_NASID(n,x) ((void *)(((u64)(x) & ~NASID_MASK) | NASID_SPACE(n)))
#define IS_TIO_NASID(n) ((n) & 1)
/* non-II mmr's start at top of big window space (4G) */
......@@ -155,10 +156,28 @@
* the chiplet id is zero. If we implement TIO-TIO dma, we might need
* to insert a chiplet id into this macro. However, it is our belief
* right now that this chiplet id will be ICE, which is also zero.
* Nasid starts on bit 40.
*/
#define PHYS_TO_TIODMA(x) ( (((u64)(NASID_GET(x))) << 40) | NODE_OFFSET(x))
#define PHYS_TO_DMA(x) ( (((u64)(x) & NASID_MASK) >> 2) | NODE_OFFSET(x))
#define SH1_TIO_PHYS_TO_DMA(x) \
((((u64)(NASID_GET(x))) << 40) | NODE_OFFSET(x))
#define SH2_NETWORK_BANK_OFFSET(x) \
((u64)(x) & ((1UL << (sn_hub_info->nasid_shift - 4)) -1))
#define SH2_NETWORK_BANK_SELECT(x) \
((((u64)(x) & (0x3UL << (sn_hub_info->nasid_shift - 4))) \
>> (sn_hub_info->nasid_shift - 4)) << 36)
#define SH2_NETWORK_ADDRESS(x) \
(SH2_NETWORK_BANK_OFFSET(x) | SH2_NETWORK_BANK_SELECT(x))
#define SH2_TIO_PHYS_TO_DMA(x) \
(((u64)(NASID_GET(x)) << 40) | SH2_NETWORK_ADDRESS(x))
#define PHYS_TO_TIODMA(x) \
(is_shub1() ? SH1_TIO_PHYS_TO_DMA(x) : SH2_TIO_PHYS_TO_DMA(x))
#define PHYS_TO_DMA(x) \
((((u64)(x) & NASID_MASK) >> 2) | NODE_OFFSET(x))
/*
......@@ -187,11 +206,13 @@
#define RAW_NODE_SWIN_BASE(n, w) (NODE_IO_BASE(n) + ((u64) (w) << SWIN_SIZE_BITS))
#define BWIN_WIDGET_MASK 0x7
#define BWIN_WINDOWNUM(x) (((x) >> BWIN_SIZE_BITS) & BWIN_WIDGET_MASK)
#define SH1_IS_BIG_WINDOW_ADDR(x) ((x) & BWIN_TOP)
#define TIO_BWIN_WINDOW_SELECT_MASK 0x7
#define TIO_BWIN_WINDOWNUM(x) (((x) >> TIO_BWIN_SIZE_BITS) & TIO_BWIN_WINDOW_SELECT_MASK)
#define TIO_HWIN_SHIFT_BITS 33
#define TIO_HWIN(x) (NODE_OFFSET(x) >> TIO_HWIN_SHIFT_BITS)
/*
* The following definitions pertain to the IO special address
......@@ -216,10 +237,6 @@
#define TIO_SWIN_WIDGETNUM(x) (((x) >> TIO_SWIN_SIZE_BITS) & TIO_SWIN_WIDGET_MASK)
#define TIO_IOSPACE_ADDR(n,x) \
/* Move in the Chiplet ID for TIO Local Block MMR */ \
(REMOTE_ADDR(n,x) | 1UL << (NASID_SHIFT - 2))
/*
* The following macros produce the correct base virtual address for
* the hub registers. The REMOTE_HUB_* macro produce
......@@ -234,18 +251,40 @@
* Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S().
* They're always safe.
*/
/* Shub1 TIO & MMR addressing macros */
#define SH1_TIO_IOSPACE_ADDR(n,x) \
GLOBAL_MMR_ADDR(n,x)
#define SH1_REMOTE_BWIN_MMR(n,x) \
GLOBAL_MMR_ADDR(n,x)
#define SH1_REMOTE_SWIN_MMR(n,x) \
(NODE_SWIN_BASE(n,1) + 0x800000UL + (x))
#define SH1_REMOTE_MMR(n,x) \
(SH1_IS_BIG_WINDOW_ADDR(x) ? SH1_REMOTE_BWIN_MMR(n,x) : \
SH1_REMOTE_SWIN_MMR(n,x))
/* Shub1 TIO & MMR addressing macros */
#define SH2_TIO_IOSPACE_ADDR(n,x) \
((UNCACHED | REMOTE_ADDR(n,x) | 1UL << (NASID_SHIFT - 2)))
#define SH2_REMOTE_MMR(n,x) \
GLOBAL_MMR_ADDR(n,x)
/* TIO & MMR addressing macros that work on both shub1 & shub2 */
#define TIO_IOSPACE_ADDR(n,x) \
((u64 *)(is_shub1() ? SH1_TIO_IOSPACE_ADDR(n,x) : \
SH2_TIO_IOSPACE_ADDR(n,x)))
#define SH_REMOTE_MMR(n,x) \
(is_shub1() ? SH1_REMOTE_MMR(n,x) : SH2_REMOTE_MMR(n,x))
#define REMOTE_HUB_ADDR(n,x) \
((n & 1) ? \
/* TIO: */ \
(is_shub2() ? \
/* TIO on Shub2 */ \
(volatile u64 *)(TIO_IOSPACE_ADDR(n,x)) \
: /* TIO on shub1 */ \
(volatile u64 *)(GLOBAL_MMR_ADDR(n,x))) \
\
: /* SHUB1 and SHUB2 MMRs: */ \
(((x) & BWIN_TOP) ? ((volatile u64 *)(GLOBAL_MMR_ADDR(n,x))) \
: ((volatile u64 *)(NODE_SWIN_BASE(n,1) + 0x800000 + (x)))))
(IS_TIO_NASID(n) ? ((volatile u64*)TIO_IOSPACE_ADDR(n,x)) : \
((volatile u64*)SH_REMOTE_MMR(n,x)))
#define HUB_L(x) (*((volatile typeof(*x) *)x))
#define HUB_S(x,d) (*((volatile typeof(*x) *)x) = (d))
......
include/asm-ia64/sn/geo.h
View file @ bcdd3a91
......@@ -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, 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef _ASM_IA64_SN_GEO_H
......@@ -108,7 +108,6 @@ typedef union geoid_u {
#define INVALID_SLAB (slabid_t)-1
#define INVALID_SLOT (slotid_t)-1
#define INVALID_MODULE ((moduleid_t)-1)
#define INVALID_PARTID ((partid_t)-1)
static inline slabid_t geo_slab(geoid_t g)
{
......
include/asm-ia64/sn/intr.h
View file @ bcdd3a91
......@@ -12,13 +12,12 @@
#include <linux/rcupdate.h>
#define SGI_UART_VECTOR (0xe9)
#define SGI_PCIBR_ERROR (0x33)
/* Reserved IRQs : Note, not to exceed IA64_SN2_FIRST_DEVICE_VECTOR */
#define SGI_XPC_ACTIVATE (0x30)
#define SGI_II_ERROR (0x31)
#define SGI_XBOW_ERROR (0x32)
#define SGI_PCIBR_ERROR (0x33)
#define SGI_PCIASIC_ERROR (0x33)
#define SGI_ACPI_SCI_INT (0x34)
#define SGI_TIOCA_ERROR (0x35)
#define SGI_TIO_ERROR (0x36)
......
include/asm-ia64/sn/nodepda.h
View file @ bcdd3a91
......@@ -37,7 +37,6 @@ struct phys_cpuid {
struct nodepda_s {
void *pdinfo; /* Platform-dependent per-node info */
spinlock_t bist_lock;
/*
* The BTEs on this node are shared by the local cpus
......@@ -55,6 +54,8 @@ struct nodepda_s {
* Array of physical cpu identifiers. Indexed by cpuid.
*/
struct phys_cpuid phys_cpuid[NR_CPUS];
spinlock_t ptc_lock ____cacheline_aligned_in_smp;
spinlock_t bist_lock;
};
typedef struct nodepda_s nodepda_t;
......
include/asm-ia64/sn/pcibus_provider_defs.h
View file @ bcdd3a91
......@@ -18,8 +18,9 @@
#define PCIIO_ASIC_TYPE_PIC 2
#define PCIIO_ASIC_TYPE_TIOCP 3
#define PCIIO_ASIC_TYPE_TIOCA 4
#define PCIIO_ASIC_TYPE_TIOCE 5
#define PCIIO_ASIC_MAX_TYPES 5
#define PCIIO_ASIC_MAX_TYPES 6
/*
* Common pciio bus provider data. There should be one of these as the
......@@ -30,7 +31,8 @@
struct pcibus_bussoft {
uint32_t bs_asic_type; /* chipset type */
uint32_t bs_xid; /* xwidget id */
uint64_t bs_persist_busnum; /* Persistent Bus Number */
uint32_t bs_persist_busnum; /* Persistent Bus Number */
uint32_t bs_persist_segment; /* Segment Number */
uint64_t bs_legacy_io; /* legacy io pio addr */
uint64_t bs_legacy_mem; /* legacy mem pio addr */
uint64_t bs_base; /* widget base */
......@@ -47,6 +49,8 @@ struct sn_pcibus_provider {
dma_addr_t (*dma_map_consistent)(struct pci_dev *, unsigned long, size_t);
void (*dma_unmap)(struct pci_dev *, dma_addr_t, int);
void * (*bus_fixup)(struct pcibus_bussoft *, struct pci_controller *);
void (*force_interrupt)(struct sn_irq_info *);
void (*target_interrupt)(struct sn_irq_info *);
};
extern struct sn_pcibus_provider *sn_pci_provider[];
......
include/asm-ia64/sn/pda.h
View file @ bcdd3a91
......@@ -39,7 +39,6 @@ typedef struct pda_s {
unsigned long pio_write_status_val;
volatile unsigned long *pio_shub_war_cam_addr;
unsigned long sn_soft_irr[4];
unsigned long sn_in_service_ivecs[4];
int sn_lb_int_war_ticks;
int sn_last_irq;
......
include/asm-ia64/sn/sn2/sn_hwperf.h
View file @ bcdd3a91
......@@ -43,6 +43,7 @@ struct sn_hwperf_object_info {
/* macros for object classification */
#define SN_HWPERF_IS_NODE(x) ((x) && strstr((x)->name, "SHub"))
#define SN_HWPERF_IS_NODE_SHUB2(x) ((x) && strstr((x)->name, "SHub 2."))
#define SN_HWPERF_IS_IONODE(x) ((x) && strstr((x)->name, "TIO"))
#define SN_HWPERF_IS_ROUTER(x) ((x) && strstr((x)->name, "Router"))
#define SN_HWPERF_IS_NL3ROUTER(x) ((x) && strstr((x)->name, "NL3Router"))
......@@ -214,6 +215,15 @@ struct sn_hwperf_ioctl_args {
*/
#define SN_HWPERF_GET_NODE_NASID (102|SN_HWPERF_OP_MEM_COPYOUT)
/*
* Given a node id, determine the id of the nearest node with CPUs
* and the id of the nearest node that has memory. The argument
* node would normally be a "headless" node, e.g. an "IO node".
* Return 0 on success.
*/
extern int sn_hwperf_get_nearest_node(cnodeid_t node,
cnodeid_t *near_mem, cnodeid_t *near_cpu);
/* return codes */
#define SN_HWPERF_OP_OK 0
#define SN_HWPERF_OP_NOMEM 1
......
include/asm-ia64/sn/sn_sal.h
View file @ bcdd3a91
......@@ -55,7 +55,6 @@
#define SN_SAL_BUS_CONFIG 0x02000037
#define SN_SAL_SYS_SERIAL_GET 0x02000038
#define SN_SAL_PARTITION_SERIAL_GET 0x02000039
#define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a
#define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b
#define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c
#define SN_SAL_COHERENCE 0x0200003d
......@@ -78,7 +77,8 @@
#define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060
#define SN_SAL_BTE_RECOVER 0x02000061
#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000062
#define SN_SAL_RESERVED_DO_NOT_USE 0x02000062
#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064
/*
* Service-specific constants
......@@ -585,35 +585,6 @@ sn_partition_serial_number_val(void) {
return sn_partition_serial_number;
}
/*
* Returns the partition id of the nasid passed in as an argument,
* or INVALID_PARTID if the partition id cannot be retrieved.
*/
static inline partid_t
ia64_sn_sysctl_partition_get(nasid_t nasid)
{
struct ia64_sal_retval ret_stuff;
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
0, 0, 0, 0, 0, 0);
if (ret_stuff.status != 0)
return INVALID_PARTID;
return ((partid_t)ret_stuff.v0);
}
/*
* Returns the partition id of the current processor.
*/
extern partid_t sn_partid;
static inline partid_t
sn_local_partid(void) {
if (unlikely(sn_partid < 0)) {
sn_partid = ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id()));
}
return sn_partid;
}
/*
* Returns the physical address of the partition's reserved page through
* an iterative number of calls.
......@@ -749,7 +720,8 @@ ia64_sn_power_down(void)
{
struct ia64_sal_retval ret_stuff;
SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0);
while(1);
while(1)
cpu_relax();
/* never returns */
}
......@@ -1018,24 +990,6 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift,
ret_stuff.v2 = 0;
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
/***** BEGIN HACK - temp til old proms no longer supported ********/
if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
int nasid = get_sapicid() & 0xfff;;
#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
if (shubtype) *shubtype = 0;
if (nasid_bitmask) *nasid_bitmask = 0x7ff;
if (nasid_shift) *nasid_shift = 38;
if (systemsize) *systemsize = 11;
if (sharing_domain_size) *sharing_domain_size = 9;
if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
if (coher) *coher = nasid >> 9;
if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>
SH_SHUB_ID_NODES_PER_BIT_SHFT;
return 0;
}
/***** END HACK *******/
if (ret_stuff.status < 0)
return ret_stuff.status;
......@@ -1068,12 +1022,10 @@ ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
}
static inline int
ia64_sn_ioif_get_pci_topology(u64 rack, u64 bay, u64 slot, u64 slab,
u64 buf, u64 len)
ia64_sn_ioif_get_pci_topology(u64 buf, u64 len)
{
struct ia64_sal_retval rv;
SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY,
rack, bay, slot, slab, buf, len, 0);
SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 0);
return (int) rv.status;
}
......
include/asm-ia64/sn/tioce.h 0 → 100644
View file @ bcdd3a91
This diff is collapsed.
include/asm-ia64/sn/tioce_provider.h 0 → 100644
View file @ bcdd3a91
/**************************************************************************
* Copyright (C) 2005, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#ifndef _ASM_IA64_SN_CE_PROVIDER_H
#define _ASM_IA64_SN_CE_PROVIDER_H
#include <asm/sn/pcibus_provider_defs.h>
#include <asm/sn/tioce.h>
/*
* Common TIOCE structure shared between the prom and kernel
*
* DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE
* PROM VERSION.
*/
struct tioce_common {
struct pcibus_bussoft ce_pcibus; /* common pciio header */
uint32_t ce_rev;
uint64_t ce_kernel_private;
uint64_t ce_prom_private;
};
struct tioce_kernel {
struct tioce_common *ce_common;
spinlock_t ce_lock;
struct list_head ce_dmamap_list;
uint64_t ce_ate40_shadow[TIOCE_NUM_M40_ATES];
uint64_t ce_ate3240_shadow[TIOCE_NUM_M3240_ATES];
uint32_t ce_ate3240_pagesize;
uint8_t ce_port1_secondary;
/* per-port resources */
struct {
int dirmap_refcnt;
uint64_t dirmap_shadow;
} ce_port[TIOCE_NUM_PORTS];
};
struct tioce_dmamap {
struct list_head ce_dmamap_list; /* headed by tioce_kernel */
uint32_t refcnt;
uint64_t nbytes; /* # bytes mapped */
uint64_t ct_start; /* coretalk start address */
uint64_t pci_start; /* bus start address */
uint64_t *ate_hw; /* hw ptr of first ate in map */
uint64_t *ate_shadow; /* shadow ptr of firat ate */
uint16_t ate_count; /* # ate's in the map */
};
extern int tioce_init_provider(void);
#endif /* __ASM_IA64_SN_CE_PROVIDER_H */
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