* 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
#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), \
* 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
#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
*/
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;
};
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);
/* 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.
*
{
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));
(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;
}
}
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;
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;
}
/* 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));
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);
}
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,
*/
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();
}
#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"
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
*/
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);
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;
* 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;
prom_bussoft_ptr = __va(prom_bussoft_ptr);
controller = kcalloc(1,sizeof(struct pci_controller), GFP_KERNEL);
+ controller->segment = segment;
if (!controller)
BUG();
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);
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
pcibr_init_provider();
tioca_init_provider();
+ tioce_init_provider();
/*
* This is needed to avoid bounce limit checks in the blk layer
#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
* 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>
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),
- mask);
+ HUB_S((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED_ALIAS),
+ mask);
__set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
move_irq(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.
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)
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);
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;
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();
}
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;
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);
- }
+ 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);
+ sn_call_force_intr_provider(sn_irq_info);
}
}
}
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);
+ sn_check_intr(i, sn_irq_info);
}
}
rcu_read_unlock();
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;
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);
}
/*
*/
{
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]);
* 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>
#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
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
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;;
(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
srlz.i;;
////////////// END PHYSICAL MODE ////////////////////
+(p8) add r8=1,r8
(p8) br.cond.spnt 1b;; // Repeat if DEADLOCK occurred.
br.ret.sptk rp
* 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>
#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>
#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)
{
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;
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);
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)
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 {
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();
}
* 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);
}
+
}
/**
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 */
+
struct sn_hwperf_object_info *objbuf = NULL;
if ((e = sn_hwperf_init()) < 0) {
- printk("sn_hwperf_init failed: err %d\n", e);
+ printk(KERN_ERR "sn_hwperf_init failed: err %d\n", e);
goto out;
}
if (sn_hwperf_location_to_bpos(location, &rack, &bay, &slot, &slab))
return -1;
- for (cnode = 0; cnode < numionodes; cnode++) {
+ for_each_node(cnode) {
geoid = cnodeid_get_geoid(cnode);
module_id = geo_module(geoid);
this_rack = MODULE_GET_RACK(module_id);
}
}
- return cnode < numionodes ? cnode : -1;
+ return node_possible(cnode) ? cnode : -1;
}
static int sn_hwperf_obj_to_cnode(struct sn_hwperf_object_info * obj)
{
+ if (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj))
+ BUG();
if (!obj->sn_hwp_this_part)
return -1;
return sn_hwperf_geoid_to_cnode(obj->location);
return slabname;
}
-static void print_pci_topology(struct seq_file *s,
- struct sn_hwperf_object_info *obj, int *ordinal,
- u64 rack, u64 bay, u64 slot, u64 slab)
+static void print_pci_topology(struct seq_file *s)
+{
+ char *p;
+ size_t sz;
+ int e;
+
+ for (sz = PAGE_SIZE; sz < 16 * PAGE_SIZE; sz += PAGE_SIZE) {
+ if (!(p = (char *)kmalloc(sz, GFP_KERNEL)))
+ break;
+ e = ia64_sn_ioif_get_pci_topology(__pa(p), sz);
+ if (e == SALRET_OK)
+ seq_puts(s, p);
+ kfree(p);
+ if (e == SALRET_OK || e == SALRET_NOT_IMPLEMENTED)
+ break;
+ }
+}
+
+static inline int sn_hwperf_has_cpus(cnodeid_t node)
+{
+ return node_online(node) && nr_cpus_node(node);
+}
+
+static inline int sn_hwperf_has_mem(cnodeid_t node)
+{
+ return node_online(node) && NODE_DATA(node)->node_present_pages;
+}
+
+static struct sn_hwperf_object_info *
+sn_hwperf_findobj_id(struct sn_hwperf_object_info *objbuf,
+ int nobj, int id)
{
- char *p1;
- char *p2;
- char *pg;
-
- if (!(pg = (char *)get_zeroed_page(GFP_KERNEL)))
- return; /* ignore */
- if (ia64_sn_ioif_get_pci_topology(rack, bay, slot, slab,
- __pa(pg), PAGE_SIZE) == SN_HWPERF_OP_OK) {
- for (p1=pg; *p1 && p1 < pg + PAGE_SIZE;) {
- if (!(p2 = strchr(p1, '\n')))
+ int i;
+ struct sn_hwperf_object_info *p = objbuf;
+
+ for (i=0; i < nobj; i++, p++) {
+ if (p->id == id)
+ return p;
+ }
+
+ return NULL;
+
+}
+
+static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objbuf,
+ int nobj, cnodeid_t node, cnodeid_t *near_mem_node, cnodeid_t *near_cpu_node)
+{
+ int e;
+ struct sn_hwperf_object_info *nodeobj = NULL;
+ struct sn_hwperf_object_info *op;
+ struct sn_hwperf_object_info *dest;
+ struct sn_hwperf_object_info *router;
+ struct sn_hwperf_port_info ptdata[16];
+ int sz, i, j;
+ cnodeid_t c;
+ int found_mem = 0;
+ int found_cpu = 0;
+
+ if (!node_possible(node))
+ return -EINVAL;
+
+ if (sn_hwperf_has_cpus(node)) {
+ if (near_cpu_node)
+ *near_cpu_node = node;
+ found_cpu++;
+ }
+
+ if (sn_hwperf_has_mem(node)) {
+ if (near_mem_node)
+ *near_mem_node = node;
+ found_mem++;
+ }
+
+ if (found_cpu && found_mem)
+ return 0; /* trivially successful */
+
+ /* find the argument node object */
+ for (i=0, op=objbuf; i < nobj; i++, op++) {
+ if (!SN_HWPERF_IS_NODE(op) && !SN_HWPERF_IS_IONODE(op))
+ continue;
+ if (node == sn_hwperf_obj_to_cnode(op)) {
+ nodeobj = op;
+ break;
+ }
+ }
+ if (!nodeobj) {
+ e = -ENOENT;
+ goto err;
+ }
+
+ /* get it's interconnect topology */
+ sz = op->ports * sizeof(struct sn_hwperf_port_info);
+ if (sz > sizeof(ptdata))
+ BUG();
+ e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
+ SN_HWPERF_ENUM_PORTS, nodeobj->id, sz,
+ (u64)&ptdata, 0, 0, NULL);
+ if (e != SN_HWPERF_OP_OK) {
+ e = -EINVAL;
+ goto err;
+ }
+
+ /* find nearest node with cpus and nearest memory */
+ for (router=NULL, j=0; j < op->ports; j++) {
+ dest = sn_hwperf_findobj_id(objbuf, nobj, ptdata[j].conn_id);
+ if (!dest || SN_HWPERF_FOREIGN(dest) ||
+ !SN_HWPERF_IS_NODE(dest) || SN_HWPERF_IS_IONODE(dest)) {
+ continue;
+ }
+ c = sn_hwperf_obj_to_cnode(dest);
+ if (!found_cpu && sn_hwperf_has_cpus(c)) {
+ if (near_cpu_node)
+ *near_cpu_node = c;
+ found_cpu++;
+ }
+ if (!found_mem && sn_hwperf_has_mem(c)) {
+ if (near_mem_node)
+ *near_mem_node = c;
+ found_mem++;
+ }
+ if (SN_HWPERF_IS_ROUTER(dest))
+ router = dest;
+ }
+
+ if (router && (!found_cpu || !found_mem)) {
+ /* search for a node connected to the same router */
+ sz = router->ports * sizeof(struct sn_hwperf_port_info);
+ if (sz > sizeof(ptdata))
+ BUG();
+ e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
+ SN_HWPERF_ENUM_PORTS, router->id, sz,
+ (u64)&ptdata, 0, 0, NULL);
+ if (e != SN_HWPERF_OP_OK) {
+ e = -EINVAL;
+ goto err;
+ }
+ for (j=0; j < router->ports; j++) {
+ dest = sn_hwperf_findobj_id(objbuf, nobj,
+ ptdata[j].conn_id);
+ if (!dest || dest->id == node ||
+ SN_HWPERF_FOREIGN(dest) ||
+ !SN_HWPERF_IS_NODE(dest) ||
+ SN_HWPERF_IS_IONODE(dest)) {
+ continue;
+ }
+ c = sn_hwperf_obj_to_cnode(dest);
+ if (!found_cpu && sn_hwperf_has_cpus(c)) {
+ if (near_cpu_node)
+ *near_cpu_node = c;
+ found_cpu++;
+ }
+ if (!found_mem && sn_hwperf_has_mem(c)) {
+ if (near_mem_node)
+ *near_mem_node = c;
+ found_mem++;
+ }
+ if (found_cpu && found_mem)
+ break;
+ }
+ }
+
+ if (!found_cpu || !found_mem) {
+ /* resort to _any_ node with CPUs and memory */
+ for (i=0, op=objbuf; i < nobj; i++, op++) {
+ if (SN_HWPERF_FOREIGN(op) ||
+ SN_HWPERF_IS_IONODE(op) ||
+ !SN_HWPERF_IS_NODE(op)) {
+ continue;
+ }
+ c = sn_hwperf_obj_to_cnode(op);
+ if (!found_cpu && sn_hwperf_has_cpus(c)) {
+ if (near_cpu_node)
+ *near_cpu_node = c;
+ found_cpu++;
+ }
+ if (!found_mem && sn_hwperf_has_mem(c)) {
+ if (near_mem_node)
+ *near_mem_node = c;
+ found_mem++;
+ }
+ if (found_cpu && found_mem)
break;
- *p2 = '\0';
- seq_printf(s, "pcibus %d %s-%s\n",
- *ordinal, obj->location, p1);
- (*ordinal)++;
- p1 = p2 + 1;
}
}
- free_page((unsigned long)pg);
+
+ if (!found_cpu || !found_mem)
+ e = -ENODATA;
+
+err:
+ return e;
}
+
static int sn_topology_show(struct seq_file *s, void *d)
{
int sz;
struct sn_hwperf_object_info *p;
struct sn_hwperf_object_info *obj = d; /* this object */
struct sn_hwperf_object_info *objs = s->private; /* all objects */
- int rack, bay, slot, slab;
u8 shubtype;
u8 system_size;
u8 sharing_size;
u8 region_size;
u16 nasid_mask;
int nasid_msb;
- int pci_bus_ordinal = 0;
if (obj == objs) {
seq_printf(s, "# sn_topology version 2\n");
shubtype ? "shub2" : "shub1",
(u64)nasid_mask << nasid_shift, nasid_msb, nasid_shift,
system_size, sharing_size, coher, region_size);
+
+ print_pci_topology(s);
}
if (SN_HWPERF_FOREIGN(obj)) {
if (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj))
seq_putc(s, '\n');
else {
+ cnodeid_t near_mem = -1;
+ cnodeid_t near_cpu = -1;
+
seq_printf(s, ", nasid 0x%x", cnodeid_to_nasid(ordinal));
- for (i=0; i < numionodes; i++) {
- seq_printf(s, i ? ":%d" : ", dist %d",
- node_distance(ordinal, i));
+
+ if (sn_hwperf_get_nearest_node_objdata(objs, sn_hwperf_obj_cnt,
+ ordinal, &near_mem, &near_cpu) == 0) {
+ seq_printf(s, ", near_mem_nodeid %d, near_cpu_nodeid %d",
+ near_mem, near_cpu);
+ }
+
+ if (!SN_HWPERF_IS_IONODE(obj)) {
+ for_each_online_node(i) {
+ seq_printf(s, i ? ":%d" : ", dist %d",
+ node_distance(ordinal, i));
+ }
}
+
seq_putc(s, '\n');
/*
seq_putc(s, '\n');
}
}
-
- /*
- * PCI busses attached to this node, if any
- */
- if (sn_hwperf_location_to_bpos(obj->location,
- &rack, &bay, &slot, &slab)) {
- /* export pci bus info */
- print_pci_topology(s, obj, &pci_bus_ordinal,
- rack, bay, slot, slab);
-
- }
}
if (obj->ports) {
if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
memset(p, 0, a.sz);
for (i = 0; i < nobj; i++) {
+ if (!SN_HWPERF_IS_NODE(objs + i))
+ continue;
node = sn_hwperf_obj_to_cnode(objs + i);
for_each_online_cpu(j) {
if (node != cpu_to_node(j))
case SN_HWPERF_GET_NODE_NASID:
if (a.sz != sizeof(u64) ||
- (node = a.arg) < 0 || node >= numionodes) {
+ (node = a.arg) < 0 || !node_possible(node)) {
r = -EINVAL;
goto error;
}
vfree(objs);
goto error;
}
+
+ if (!SN_HWPERF_IS_NODE(objs + i) &&
+ !SN_HWPERF_IS_IONODE(objs + i)) {
+ r = -ENOENT;
+ vfree(objs);
+ goto error;
+ }
+
*(u64 *)p = (u64)sn_hwperf_obj_to_cnode(objs + i);
vfree(objs);
}
/* single threaded, once-only initialization */
down(&sn_hwperf_init_mutex);
+
if (sn_hwperf_salheap) {
up(&sn_hwperf_init_mutex);
return e;
sn_hwperf_salheap = NULL;
sn_hwperf_obj_cnt = 0;
}
-
- if (!e) {
- /*
- * Register a dynamic misc device for ioctl. Platforms
- * supporting hotplug will create /dev/sn_hwperf, else
- * user can to look up the minor number in /proc/misc.
- */
- if ((e = misc_register(&sn_hwperf_dev)) != 0) {
- printk(KERN_ERR "sn_hwperf_init: misc register "
- "for \"sn_hwperf\" failed, err %d\n", e);
- }
- }
-
up(&sn_hwperf_init_mutex);
return e;
}
vfree(seq->private);
return seq_release(inode, file);
}
+
+int sn_hwperf_get_nearest_node(cnodeid_t node,
+ cnodeid_t *near_mem_node, cnodeid_t *near_cpu_node)
+{
+ int e;
+ int nobj;
+ struct sn_hwperf_object_info *objbuf;
+
+ if ((e = sn_hwperf_enum_objects(&nobj, &objbuf)) == 0) {
+ e = sn_hwperf_get_nearest_node_objdata(objbuf, nobj,
+ node, near_mem_node, near_cpu_node);
+ vfree(objbuf);
+ }
+
+ return e;
+}
+
+static int __devinit sn_hwperf_misc_register_init(void)
+{
+ int e;
+
+ sn_hwperf_init();
+
+ /*
+ * Register a dynamic misc device for hwperf ioctls. Platforms
+ * supporting hotplug will create /dev/sn_hwperf, else user
+ * can to look up the minor number in /proc/misc.
+ */
+ if ((e = misc_register(&sn_hwperf_dev)) != 0) {
+ printk(KERN_ERR "sn_hwperf_misc_register_init: failed to "
+ "register misc device for \"%s\"\n", sn_hwperf_dev.name);
+ }
+
+ return e;
+}
+
+device_initcall(sn_hwperf_misc_register_init); /* after misc_init() */
+EXPORT_SYMBOL(sn_hwperf_get_nearest_node);
* 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>
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;
}
/*
*
*
- * 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
LED_CPU_HEARTBEAT, LED_CPU_HEARTBEAT);
}
- if (enable_shub_wars_1_1()) {
- /* Bugfix code for SHUB 1.1 */
- if (pda->pio_shub_war_cam_addr)
- *pda->pio_shub_war_cam_addr = 0x8000000000000010UL;
+ if (is_shub1()) {
+ if (enable_shub_wars_1_1()) {
+ /* Bugfix code for SHUB 1.1 */
+ if (pda->pio_shub_war_cam_addr)
+ *pda->pio_shub_war_cam_addr = 0x8000000000000010UL;
+ }
+ if (pda->sn_lb_int_war_ticks == 0)
+ sn_lb_int_war_check();
+ 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;
}
- if (pda->sn_lb_int_war_ticks == 0)
- sn_lb_int_war_check();
- 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;
}
#
# 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/
* 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>
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;
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];
- if (is_tio) {
- wid_num = (itte >> TIO_ITTE_WIDGET_SHIFT) &
- TIO_ITTE_WIDGET_MASK;
- } else {
- wid_num = (itte >> IIO_ITTE_WIDGET_SHIFT) &
- IIO_ITTE_WIDGET_MASK;
- }
+ is_tio = (nasid & 1);
+ if (is_tio) {
+ 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 {
+ 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];
/*
* 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 */
*(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);
#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"
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,
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;
/*
* 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");
j++, sn_flush_device_list++) {
if (sn_flush_device_list->sfdl_slot == -1)
continue;
- if (sn_flush_device_list->
- sfdl_persistent_busnum ==
- soft->pbi_buscommon.bs_persist_busnum)
+ 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))
sn_flush_device_list->sfdl_pcibus_info =
soft;
}
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;
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 =
}
}
-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;
.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
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,
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;
.dma_map_consistent = tioca_dma_map,
.dma_unmap = tioca_dma_unmap,
.bus_fixup = tioca_bus_fixup,
+ .force_interrupt = NULL,
+ .target_interrupt = NULL
};
/**
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003-2005 Silicon Graphics, Inc. All Rights Reserved.
+ */
+
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <asm/sn/sn_sal.h>
+#include <asm/sn/addrs.h>
+#include <asm/sn/pcidev.h>
+#include <asm/sn/pcibus_provider_defs.h>
+#include <asm/sn/tioce_provider.h>
+
+/**
+ * Bus address ranges for the 5 flavors of TIOCE DMA
+ */
+
+#define TIOCE_D64_MIN 0x8000000000000000UL
+#define TIOCE_D64_MAX 0xffffffffffffffffUL
+#define TIOCE_D64_ADDR(a) ((a) >= TIOCE_D64_MIN)
+
+#define TIOCE_D32_MIN 0x0000000080000000UL
+#define TIOCE_D32_MAX 0x00000000ffffffffUL
+#define TIOCE_D32_ADDR(a) ((a) >= TIOCE_D32_MIN && (a) <= TIOCE_D32_MAX)
+
+#define TIOCE_M32_MIN 0x0000000000000000UL
+#define TIOCE_M32_MAX 0x000000007fffffffUL
+#define TIOCE_M32_ADDR(a) ((a) >= TIOCE_M32_MIN && (a) <= TIOCE_M32_MAX)
+
+#define TIOCE_M40_MIN 0x0000004000000000UL
+#define TIOCE_M40_MAX 0x0000007fffffffffUL
+#define TIOCE_M40_ADDR(a) ((a) >= TIOCE_M40_MIN && (a) <= TIOCE_M40_MAX)
+
+#define TIOCE_M40S_MIN 0x0000008000000000UL
+#define TIOCE_M40S_MAX 0x000000ffffffffffUL
+#define TIOCE_M40S_ADDR(a) ((a) >= TIOCE_M40S_MIN && (a) <= TIOCE_M40S_MAX)
+
+/*
+ * ATE manipulation macros.
+ */
+
+#define ATE_PAGESHIFT(ps) (__ffs(ps))
+#define ATE_PAGEMASK(ps) ((ps)-1)
+
+#define ATE_PAGE(x, ps) ((x) >> ATE_PAGESHIFT(ps))
+#define ATE_NPAGES(start, len, pagesize) \
+ (ATE_PAGE((start)+(len)-1, pagesize) - ATE_PAGE(start, pagesize) + 1)
+
+#define ATE_VALID(ate) ((ate) & (1UL << 63))
+#define ATE_MAKE(addr, ps) (((addr) & ~ATE_PAGEMASK(ps)) | (1UL << 63))
+
+/*
+ * Flavors of ate-based mapping supported by tioce_alloc_map()
+ */
+
+#define TIOCE_ATE_M32 1
+#define TIOCE_ATE_M40 2
+#define TIOCE_ATE_M40S 3
+
+#define KB(x) ((x) << 10)
+#define MB(x) ((x) << 20)
+#define GB(x) ((x) << 30)
+
+/**
+ * tioce_dma_d64 - create a DMA mapping using 64-bit direct mode
+ * @ct_addr: system coretalk address
+ *
+ * Map @ct_addr into 64-bit CE bus space. No device context is necessary
+ * and no CE mapping are consumed.
+ *
+ * Bits 53:0 come from the coretalk address. The remaining bits are set as
+ * follows:
+ *
+ * 63 - must be 1 to indicate d64 mode to CE hardware
+ * 62 - barrier bit ... controlled with tioce_dma_barrier()
+ * 61 - 0 since this is not an MSI transaction
+ * 60:54 - reserved, MBZ
+ */
+static uint64_t
+tioce_dma_d64(unsigned long ct_addr)
+{
+ uint64_t bus_addr;
+
+ bus_addr = ct_addr | (1UL << 63);
+
+ return bus_addr;
+}
+
+/**
+ * pcidev_to_tioce - return misc ce related pointers given a pci_dev
+ * @pci_dev: pci device context
+ * @base: ptr to store struct tioce_mmr * for the CE holding this device
+ * @kernel: ptr to store struct tioce_kernel * for the CE holding this device
+ * @port: ptr to store the CE port number that this device is on
+ *
+ * Return pointers to various CE-related structures for the CE upstream of
+ * @pci_dev.
+ */
+static inline void
+pcidev_to_tioce(struct pci_dev *pdev, struct tioce **base,
+ struct tioce_kernel **kernel, int *port)
+{
+ struct pcidev_info *pcidev_info;
+ struct tioce_common *ce_common;
+ struct tioce_kernel *ce_kernel;
+
+ pcidev_info = SN_PCIDEV_INFO(pdev);
+ ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info;
+ ce_kernel = (struct tioce_kernel *)ce_common->ce_kernel_private;
+
+ if (base)
+ *base = (struct tioce *)ce_common->ce_pcibus.bs_base;
+ if (kernel)
+ *kernel = ce_kernel;
+
+ /*
+ * we use port as a zero-based value internally, even though the
+ * documentation is 1-based.
+ */
+ if (port)
+ *port =
+ (pdev->bus->number < ce_kernel->ce_port1_secondary) ? 0 : 1;
+}
+
+/**
+ * tioce_alloc_map - Given a coretalk address, map it to pcie bus address
+ * space using one of the various ATE-based address modes.
+ * @ce_kern: tioce context
+ * @type: map mode to use
+ * @port: 0-based port that the requesting device is downstream of
+ * @ct_addr: the coretalk address to map
+ * @len: number of bytes to map
+ *
+ * Given the addressing type, set up various paramaters that define the
+ * ATE pool to use. Search for a contiguous block of entries to cover the
+ * length, and if enough resources exist, fill in the ATE's and construct a
+ * tioce_dmamap struct to track the mapping.
+ */
+static uint64_t
+tioce_alloc_map(struct tioce_kernel *ce_kern, int type, int port,
+ uint64_t ct_addr, int len)
+{
+ int i;
+ int j;
+ int first;
+ int last;
+ int entries;
+ int nates;
+ int pagesize;
+ uint64_t *ate_shadow;
+ uint64_t *ate_reg;
+ uint64_t addr;
+ struct tioce *ce_mmr;
+ uint64_t bus_base;
+ struct tioce_dmamap *map;
+
+ ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
+
+ switch (type) {
+ case TIOCE_ATE_M32:
+ /*
+ * The first 64 entries of the ate3240 pool are dedicated to
+ * super-page (TIOCE_ATE_M40S) mode.
+ */
+ first = 64;
+ entries = TIOCE_NUM_M3240_ATES - 64;
+ ate_shadow = ce_kern->ce_ate3240_shadow;
+ ate_reg = ce_mmr->ce_ure_ate3240;
+ pagesize = ce_kern->ce_ate3240_pagesize;
+ bus_base = TIOCE_M32_MIN;
+ break;
+ case TIOCE_ATE_M40:
+ first = 0;
+ entries = TIOCE_NUM_M40_ATES;
+ ate_shadow = ce_kern->ce_ate40_shadow;
+ ate_reg = ce_mmr->ce_ure_ate40;
+ pagesize = MB(64);
+ bus_base = TIOCE_M40_MIN;
+ break;
+ case TIOCE_ATE_M40S:
+ /*
+ * ate3240 entries 0-31 are dedicated to port1 super-page
+ * mappings. ate3240 entries 32-63 are dedicated to port2.
+ */
+ first = port * 32;
+ entries = 32;
+ ate_shadow = ce_kern->ce_ate3240_shadow;
+ ate_reg = ce_mmr->ce_ure_ate3240;
+ pagesize = GB(16);
+ bus_base = TIOCE_M40S_MIN;
+ break;
+ default:
+ return 0;
+ }
+
+ nates = ATE_NPAGES(ct_addr, len, pagesize);
+ if (nates > entries)
+ return 0;
+
+ last = first + entries - nates;
+ for (i = first; i <= last; i++) {
+ if (ATE_VALID(ate_shadow[i]))
+ continue;
+
+ for (j = i; j < i + nates; j++)
+ if (ATE_VALID(ate_shadow[j]))
+ break;
+
+ if (j >= i + nates)
+ break;
+ }
+
+ if (i > last)
+ return 0;
+
+ map = kcalloc(1, sizeof(struct tioce_dmamap), GFP_ATOMIC);
+ if (!map)
+ return 0;
+
+ addr = ct_addr;
+ for (j = 0; j < nates; j++) {
+ uint64_t ate;
+
+ ate = ATE_MAKE(addr, pagesize);
+ ate_shadow[i + j] = ate;
+ ate_reg[i + j] = ate;
+ addr += pagesize;
+ }
+
+ map->refcnt = 1;
+ map->nbytes = nates * pagesize;
+ map->ct_start = ct_addr & ~ATE_PAGEMASK(pagesize);
+ map->pci_start = bus_base + (i * pagesize);
+ map->ate_hw = &ate_reg[i];
+ map->ate_shadow = &ate_shadow[i];
+ map->ate_count = nates;
+
+ list_add(&map->ce_dmamap_list, &ce_kern->ce_dmamap_list);
+
+ return (map->pci_start + (ct_addr - map->ct_start));
+}
+
+/**
+ * tioce_dma_d32 - create a DMA mapping using 32-bit direct mode
+ * @pdev: linux pci_dev representing the function
+ * @paddr: system physical address
+ *
+ * Map @paddr into 32-bit bus space of the CE associated with @pcidev_info.
+ */
+static uint64_t
+tioce_dma_d32(struct pci_dev *pdev, uint64_t ct_addr)
+{
+ int dma_ok;
+ int port;
+ struct tioce *ce_mmr;
+ struct tioce_kernel *ce_kern;
+ uint64_t ct_upper;
+ uint64_t ct_lower;
+ dma_addr_t bus_addr;
+
+ ct_upper = ct_addr & ~0x3fffffffUL;
+ ct_lower = ct_addr & 0x3fffffffUL;
+
+ pcidev_to_tioce(pdev, &ce_mmr, &ce_kern, &port);
+
+ if (ce_kern->ce_port[port].dirmap_refcnt == 0) {
+ volatile uint64_t tmp;
+
+ ce_kern->ce_port[port].dirmap_shadow = ct_upper;
+ ce_mmr->ce_ure_dir_map[port] = ct_upper;
+ tmp = ce_mmr->ce_ure_dir_map[port];
+ dma_ok = 1;
+ } else
+ dma_ok = (ce_kern->ce_port[port].dirmap_shadow == ct_upper);
+
+ if (dma_ok) {
+ ce_kern->ce_port[port].dirmap_refcnt++;
+ bus_addr = TIOCE_D32_MIN + ct_lower;
+ } else
+ bus_addr = 0;
+
+ return bus_addr;
+}
+
+/**
+ * tioce_dma_barrier - swizzle a TIOCE bus address to include or exclude
+ * the barrier bit.
+ * @bus_addr: bus address to swizzle
+ *
+ * Given a TIOCE bus address, set the appropriate bit to indicate barrier
+ * attributes.
+ */
+static uint64_t
+tioce_dma_barrier(uint64_t bus_addr, int on)
+{
+ uint64_t barrier_bit;
+
+ /* barrier not supported in M40/M40S mode */
+ if (TIOCE_M40_ADDR(bus_addr) || TIOCE_M40S_ADDR(bus_addr))
+ return bus_addr;
+
+ if (TIOCE_D64_ADDR(bus_addr))
+ barrier_bit = (1UL << 62);
+ else /* must be m32 or d32 */
+ barrier_bit = (1UL << 30);
+
+ return (on) ? (bus_addr | barrier_bit) : (bus_addr & ~barrier_bit);
+}
+
+/**
+ * tioce_dma_unmap - release CE mapping resources
+ * @pdev: linux pci_dev representing the function
+ * @bus_addr: bus address returned by an earlier tioce_dma_map
+ * @dir: mapping direction (unused)
+ *
+ * Locate mapping resources associated with @bus_addr and release them.
+ * For mappings created using the direct modes there are no resources
+ * to release.
+ */
+void
+tioce_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
+{
+ int i;
+ int port;
+ struct tioce_kernel *ce_kern;
+ struct tioce *ce_mmr;
+ unsigned long flags;
+
+ bus_addr = tioce_dma_barrier(bus_addr, 0);
+ pcidev_to_tioce(pdev, &ce_mmr, &ce_kern, &port);
+
+ /* nothing to do for D64 */
+
+ if (TIOCE_D64_ADDR(bus_addr))
+ return;
+
+ spin_lock_irqsave(&ce_kern->ce_lock, flags);
+
+ if (TIOCE_D32_ADDR(bus_addr)) {
+ if (--ce_kern->ce_port[port].dirmap_refcnt == 0) {
+ ce_kern->ce_port[port].dirmap_shadow = 0;
+ ce_mmr->ce_ure_dir_map[port] = 0;
+ }
+ } else {
+ struct tioce_dmamap *map;
+
+ list_for_each_entry(map, &ce_kern->ce_dmamap_list,
+ ce_dmamap_list) {
+ uint64_t last;
+
+ last = map->pci_start + map->nbytes - 1;
+ if (bus_addr >= map->pci_start && bus_addr <= last)
+ break;
+ }
+
+ if (&map->ce_dmamap_list == &ce_kern->ce_dmamap_list) {
+ printk(KERN_WARNING
+ "%s: %s - no map found for bus_addr 0x%lx\n",
+ __FUNCTION__, pci_name(pdev), bus_addr);
+ } else if (--map->refcnt == 0) {
+ for (i = 0; i < map->ate_count; i++) {
+ map->ate_shadow[i] = 0;
+ map->ate_hw[i] = 0;
+ }
+
+ list_del(&map->ce_dmamap_list);
+ kfree(map);
+ }
+ }
+
+ spin_unlock_irqrestore(&ce_kern->ce_lock, flags);
+}
+
+/**
+ * tioce_do_dma_map - map pages for PCI DMA
+ * @pdev: linux pci_dev representing the function
+ * @paddr: host physical address to map
+ * @byte_count: bytes to map
+ *
+ * This is the main wrapper for mapping host physical pages to CE PCI space.
+ * The mapping mode used is based on the device's dma_mask.
+ */
+static uint64_t
+tioce_do_dma_map(struct pci_dev *pdev, uint64_t paddr, size_t byte_count,
+ int barrier)
+{
+ unsigned long flags;
+ uint64_t ct_addr;
+ uint64_t mapaddr = 0;
+ struct tioce_kernel *ce_kern;
+ struct tioce_dmamap *map;
+ int port;
+ uint64_t dma_mask;
+
+ dma_mask = (barrier) ? pdev->dev.coherent_dma_mask : pdev->dma_mask;
+
+ /* cards must be able to address at least 31 bits */
+ if (dma_mask < 0x7fffffffUL)
+ return 0;
+
+ ct_addr = PHYS_TO_TIODMA(paddr);
+
+ /*
+ * If the device can generate 64 bit addresses, create a D64 map.
+ * Since this should never fail, bypass the rest of the checks.
+ */
+ if (dma_mask == ~0UL) {
+ mapaddr = tioce_dma_d64(ct_addr);
+ goto dma_map_done;
+ }
+
+ pcidev_to_tioce(pdev, NULL, &ce_kern, &port);
+
+ spin_lock_irqsave(&ce_kern->ce_lock, flags);
+
+ /*
+ * D64 didn't work ... See if we have an existing map that covers
+ * this address range. Must account for devices dma_mask here since
+ * an existing map might have been done in a mode using more pci
+ * address bits than this device can support.
+ */
+ list_for_each_entry(map, &ce_kern->ce_dmamap_list, ce_dmamap_list) {
+ uint64_t last;
+
+ last = map->ct_start + map->nbytes - 1;
+ if (ct_addr >= map->ct_start &&
+ ct_addr + byte_count - 1 <= last &&
+ map->pci_start <= dma_mask) {
+ map->refcnt++;
+ mapaddr = map->pci_start + (ct_addr - map->ct_start);
+ break;
+ }
+ }
+
+ /*
+ * If we don't have a map yet, and the card can generate 40
+ * bit addresses, try the M40/M40S modes. Note these modes do not
+ * support a barrier bit, so if we need a consistent map these
+ * won't work.
+ */
+ if (!mapaddr && !barrier && dma_mask >= 0xffffffffffUL) {
+ /*
+ * We have two options for 40-bit mappings: 16GB "super" ATE's
+ * and 64MB "regular" ATE's. We'll try both if needed for a
+ * given mapping but which one we try first depends on the
+ * size. For requests >64MB, prefer to use a super page with
+ * regular as the fallback. Otherwise, try in the reverse order.
+ */
+
+ if (byte_count > MB(64)) {
+ mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40S,
+ port, ct_addr, byte_count);
+ if (!mapaddr)
+ mapaddr =
+ tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1,
+ ct_addr, byte_count);
+ } else {
+ mapaddr = tioce_alloc_map(ce_kern, TIOCE_ATE_M40, -1,
+ ct_addr, byte_count);
+ if (!mapaddr)
+ mapaddr =
+ tioce_alloc_map(ce_kern, TIOCE_ATE_M40S,
+ port, ct_addr, byte_count);
+ }
+ }
+
+ /*
+ * 32-bit direct is the next mode to try
+ */
+ if (!mapaddr && dma_mask >= 0xffffffffUL)
+ mapaddr = tioce_dma_d32(pdev, ct_addr);
+
+ /*
+ * Last resort, try 32-bit ATE-based map.
+ */
+ if (!mapaddr)
+ mapaddr =
+ tioce_alloc_map(ce_kern, TIOCE_ATE_M32, -1, ct_addr,
+ byte_count);
+
+ spin_unlock_irqrestore(&ce_kern->ce_lock, flags);
+
+dma_map_done:
+ if (mapaddr & barrier)
+ mapaddr = tioce_dma_barrier(mapaddr, 1);
+
+ return mapaddr;
+}
+
+/**
+ * tioce_dma - standard pci dma map interface
+ * @pdev: pci device requesting the map
+ * @paddr: system physical address to map into pci space
+ * @byte_count: # bytes to map
+ *
+ * Simply call tioce_do_dma_map() to create a map with the barrier bit clear
+ * in the address.
+ */
+static uint64_t
+tioce_dma(struct pci_dev *pdev, uint64_t paddr, size_t byte_count)
+{
+ return tioce_do_dma_map(pdev, paddr, byte_count, 0);
+}
+
+/**
+ * tioce_dma_consistent - consistent pci dma map interface
+ * @pdev: pci device requesting the map
+ * @paddr: system physical address to map into pci space
+ * @byte_count: # bytes to map
+ *
+ * Simply call tioce_do_dma_map() to create a map with the barrier bit set
+ * in the address.
+ */ static uint64_t
+tioce_dma_consistent(struct pci_dev *pdev, uint64_t paddr, size_t byte_count)
+{
+ return tioce_do_dma_map(pdev, paddr, byte_count, 1);
+}
+
+/**
+ * tioce_error_intr_handler - SGI TIO CE error interrupt handler
+ * @irq: unused
+ * @arg: pointer to tioce_common struct for the given CE
+ * @pt: unused
+ *
+ * Handle a CE error interrupt. Simply a wrapper around a SAL call which
+ * defers processing to the SGI prom.
+ */ static irqreturn_t
+tioce_error_intr_handler(int irq, void *arg, struct pt_regs *pt)
+{
+ struct tioce_common *soft = arg;
+ struct ia64_sal_retval ret_stuff;
+ ret_stuff.status = 0;
+ ret_stuff.v0 = 0;
+
+ SAL_CALL_NOLOCK(ret_stuff, (u64) SN_SAL_IOIF_ERROR_INTERRUPT,
+ soft->ce_pcibus.bs_persist_segment,
+ soft->ce_pcibus.bs_persist_busnum, 0, 0, 0, 0, 0);
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * tioce_kern_init - init kernel structures related to a given TIOCE
+ * @tioce_common: ptr to a cached tioce_common struct that originated in prom
+ */ static struct tioce_kernel *
+tioce_kern_init(struct tioce_common *tioce_common)
+{
+ int i;
+ uint32_t tmp;
+ struct tioce *tioce_mmr;
+ struct tioce_kernel *tioce_kern;
+
+ tioce_kern = kcalloc(1, sizeof(struct tioce_kernel), GFP_KERNEL);
+ if (!tioce_kern) {
+ return NULL;
+ }
+
+ tioce_kern->ce_common = tioce_common;
+ spin_lock_init(&tioce_kern->ce_lock);
+ INIT_LIST_HEAD(&tioce_kern->ce_dmamap_list);
+ tioce_common->ce_kernel_private = (uint64_t) tioce_kern;
+
+ /*
+ * Determine the secondary bus number of the port2 logical PPB.
+ * This is used to decide whether a given pci device resides on
+ * port1 or port2. Note: We don't have enough plumbing set up
+ * here to use pci_read_config_xxx() so use the raw_pci_ops vector.
+ */
+
+ raw_pci_ops->read(tioce_common->ce_pcibus.bs_persist_segment,
+ tioce_common->ce_pcibus.bs_persist_busnum,
+ PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1, &tmp);
+ tioce_kern->ce_port1_secondary = (uint8_t) tmp;
+
+ /*
+ * Set PMU pagesize to the largest size available, and zero out
+ * the ate's.
+ */
+
+ tioce_mmr = (struct tioce *)tioce_common->ce_pcibus.bs_base;
+ tioce_mmr->ce_ure_page_map &= ~CE_URE_PAGESIZE_MASK;
+ tioce_mmr->ce_ure_page_map |= CE_URE_256K_PAGESIZE;
+ tioce_kern->ce_ate3240_pagesize = KB(256);
+
+ for (i = 0; i < TIOCE_NUM_M40_ATES; i++) {
+ tioce_kern->ce_ate40_shadow[i] = 0;
+ tioce_mmr->ce_ure_ate40[i] = 0;
+ }
+
+ for (i = 0; i < TIOCE_NUM_M3240_ATES; i++) {
+ tioce_kern->ce_ate3240_shadow[i] = 0;
+ tioce_mmr->ce_ure_ate3240[i] = 0;
+ }
+
+ return tioce_kern;
+}
+
+/**
+ * tioce_force_interrupt - implement altix force_interrupt() backend for CE
+ * @sn_irq_info: sn asic irq that we need an interrupt generated for
+ *
+ * Given an sn_irq_info struct, set the proper bit in ce_adm_force_int to
+ * force a secondary interrupt to be generated. This is to work around an
+ * asic issue where there is a small window of opportunity for a legacy device
+ * interrupt to be lost.
+ */
+static void
+tioce_force_interrupt(struct sn_irq_info *sn_irq_info)
+{
+ struct pcidev_info *pcidev_info;
+ struct tioce_common *ce_common;
+ struct tioce *ce_mmr;
+ uint64_t force_int_val;
+
+ if (!sn_irq_info->irq_bridge)
+ return;
+
+ if (sn_irq_info->irq_bridge_type != PCIIO_ASIC_TYPE_TIOCE)
+ return;
+
+ pcidev_info = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
+ if (!pcidev_info)
+ return;
+
+ ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info;
+ ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base;
+
+ /*
+ * irq_int_bit is originally set up by prom, and holds the interrupt
+ * bit shift (not mask) as defined by the bit definitions in the
+ * ce_adm_int mmr. These shifts are not the same for the
+ * ce_adm_force_int register, so do an explicit mapping here to make
+ * things clearer.
+ */
+
+ switch (sn_irq_info->irq_int_bit) {
+ case CE_ADM_INT_PCIE_PORT1_DEV_A_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT1_DEV_A_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT1_DEV_B_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT1_DEV_B_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT1_DEV_C_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT1_DEV_C_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT1_DEV_D_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT1_DEV_D_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT2_DEV_A_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT2_DEV_A_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT2_DEV_B_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT2_DEV_B_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT2_DEV_C_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT2_DEV_C_SHFT;
+ break;
+ case CE_ADM_INT_PCIE_PORT2_DEV_D_SHFT:
+ force_int_val = 1UL << CE_ADM_FORCE_INT_PCIE_PORT2_DEV_D_SHFT;
+ break;
+ default:
+ return;
+ }
+ ce_mmr->ce_adm_force_int = force_int_val;
+}
+
+/**
+ * tioce_target_interrupt - implement set_irq_affinity for tioce resident
+ * functions. Note: only applies to line interrupts, not MSI's.
+ *
+ * @sn_irq_info: SN IRQ context
+ *
+ * Given an sn_irq_info, set the associated CE device's interrupt destination
+ * register. Since the interrupt destination registers are on a per-ce-slot
+ * basis, this will retarget line interrupts for all functions downstream of
+ * the slot.
+ */
+static void
+tioce_target_interrupt(struct sn_irq_info *sn_irq_info)
+{
+ struct pcidev_info *pcidev_info;
+ struct tioce_common *ce_common;
+ struct tioce *ce_mmr;
+ int bit;
+
+ pcidev_info = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
+ if (!pcidev_info)
+ return;
+
+ ce_common = (struct tioce_common *)pcidev_info->pdi_pcibus_info;
+ ce_mmr = (struct tioce *)ce_common->ce_pcibus.bs_base;
+
+ bit = sn_irq_info->irq_int_bit;
+
+ ce_mmr->ce_adm_int_mask |= (1UL << bit);
+ ce_mmr->ce_adm_int_dest[bit] =
+ ((uint64_t)sn_irq_info->irq_irq << INTR_VECTOR_SHFT) |
+ sn_irq_info->irq_xtalkaddr;
+ ce_mmr->ce_adm_int_mask &= ~(1UL << bit);
+
+ tioce_force_interrupt(sn_irq_info);
+}
+
+/**
+ * tioce_bus_fixup - perform final PCI fixup for a TIO CE bus
+ * @prom_bussoft: Common prom/kernel struct representing the bus
+ *
+ * Replicates the tioce_common pointed to by @prom_bussoft in kernel
+ * space. Allocates and initializes a kernel-only area for a given CE,
+ * and sets up an irq for handling CE error interrupts.
+ *
+ * On successful setup, returns the kernel version of tioce_common back to
+ * the caller.
+ */
+static void *
+tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller)
+{
+ struct tioce_common *tioce_common;
+
+ /*
+ * Allocate kernel bus soft and copy from prom.
+ */
+
+ tioce_common = kcalloc(1, sizeof(struct tioce_common), GFP_KERNEL);
+ if (!tioce_common)
+ return NULL;
+
+ memcpy(tioce_common, prom_bussoft, sizeof(struct tioce_common));
+ tioce_common->ce_pcibus.bs_base |= __IA64_UNCACHED_OFFSET;
+
+ if (tioce_kern_init(tioce_common) == NULL) {
+ kfree(tioce_common);
+ return NULL;
+ }
+
+ if (request_irq(SGI_PCIASIC_ERROR,
+ tioce_error_intr_handler,
+ SA_SHIRQ, "TIOCE error", (void *)tioce_common))
+ printk(KERN_WARNING
+ "%s: Unable to get irq %d. "
+ "Error interrupts won't be routed for "
+ "TIOCE bus %04x:%02x\n",
+ __FUNCTION__, SGI_PCIASIC_ERROR,
+ tioce_common->ce_pcibus.bs_persist_segment,
+ tioce_common->ce_pcibus.bs_persist_busnum);
+
+ return tioce_common;
+}
+
+static struct sn_pcibus_provider tioce_pci_interfaces = {
+ .dma_map = tioce_dma,
+ .dma_map_consistent = tioce_dma_consistent,
+ .dma_unmap = tioce_dma_unmap,
+ .bus_fixup = tioce_bus_fixup,
+ .force_interrupt = tioce_force_interrupt,
+ .target_interrupt = tioce_target_interrupt
+};
+
+/**
+ * tioce_init_provider - init SN PCI provider ops for TIO CE
+ */
+int
+tioce_init_provider(void)
+{
+ sn_pci_provider[PCIIO_ASIC_TYPE_TIOCE] = &tioce_pci_interfaces;
+ return 0;
+}
* 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
#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) */
* 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))
/*
#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
#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
* 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))
* 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
#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 <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)
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
* 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;
#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
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 */
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[];
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;
/* 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"))
*/
#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
#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
#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
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.
{
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 */
}
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;
}
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;
}
--- /dev/null
+/**************************************************************************
+ * *
+ * Unpublished copyright (c) 2005, Silicon Graphics, Inc. *
+ * THIS IS UNPUBLISHED CONFIDENTIAL AND PROPRIETARY SOURCE CODE OF SGI. *
+ * *
+ * The copyright notice above does not evidence any actual or intended *
+ * publication or disclosure of this source code, which includes *
+ * information that is confidential and/or proprietary, and is a trade *
+ * secret, of Silicon Graphics, Inc. ANY REPRODUCTION, MODIFICATION, *
+ * DISTRIBUTION, PUBLIC PERFORMANCE, OR PUBLIC DISPLAY OF OR THROUGH *
+ * USE OF THIS SOURCE CODE WITHOUT THE EXPRESS WRITTEN CONSENT OF *
+ * SILICON GRAPHICS, INC. IS STRICTLY PROHIBITED, AND IN VIOLATION OF *
+ * APPLICABLE LAWS AND INTERNATIONAL TREATIES. THE RECEIPT OR *
+ * POSSESSION OF THIS SOURCE CODE AND/OR RELATED INFORMATION DOES NOT *
+ * CONVEY OR IMPLY ANY RIGHTS TO REPRODUCE, DISCLOSE OR DISTRIBUTE ITS *
+ * CONTENTS, OR TO MANUFACTURE, USE, OR SELL ANYTHING THAT IT MAY *
+ * DESCRIBE, IN WHOLE OR IN PART. *
+ * *
+ **************************************************************************/
+
+#ifndef __ASM_IA64_SN_TIOCE_H__
+#define __ASM_IA64_SN_TIOCE_H__
+
+/* CE ASIC part & mfgr information */
+#define TIOCE_PART_NUM 0xCE00
+#define TIOCE_MFGR_NUM 0x36
+#define TIOCE_REV_A 0x1
+
+/* CE Virtual PPB Vendor/Device IDs */
+#define CE_VIRT_PPB_VENDOR_ID 0x10a9
+#define CE_VIRT_PPB_DEVICE_ID 0x4002
+
+/* CE Host Bridge Vendor/Device IDs */
+#define CE_HOST_BRIDGE_VENDOR_ID 0x10a9
+#define CE_HOST_BRIDGE_DEVICE_ID 0x4003
+
+
+#define TIOCE_NUM_M40_ATES 4096
+#define TIOCE_NUM_M3240_ATES 2048
+#define TIOCE_NUM_PORTS 2
+
+/*
+ * Register layout for TIOCE. MMR offsets are shown at the far right of the
+ * structure definition.
+ */
+typedef volatile struct tioce {
+ /*
+ * ADMIN : Administration Registers
+ */
+ uint64_t ce_adm_id; /* 0x000000 */
+ uint64_t ce_pad_000008; /* 0x000008 */
+ uint64_t ce_adm_dyn_credit_status; /* 0x000010 */
+ uint64_t ce_adm_last_credit_status; /* 0x000018 */
+ uint64_t ce_adm_credit_limit; /* 0x000020 */
+ uint64_t ce_adm_force_credit; /* 0x000028 */
+ uint64_t ce_adm_control; /* 0x000030 */
+ uint64_t ce_adm_mmr_chn_timeout; /* 0x000038 */
+ uint64_t ce_adm_ssp_ure_timeout; /* 0x000040 */
+ uint64_t ce_adm_ssp_dre_timeout; /* 0x000048 */
+ uint64_t ce_adm_ssp_debug_sel; /* 0x000050 */
+ uint64_t ce_adm_int_status; /* 0x000058 */
+ uint64_t ce_adm_int_status_alias; /* 0x000060 */
+ uint64_t ce_adm_int_mask; /* 0x000068 */
+ uint64_t ce_adm_int_pending; /* 0x000070 */
+ uint64_t ce_adm_force_int; /* 0x000078 */
+ uint64_t ce_adm_ure_ups_buf_barrier_flush; /* 0x000080 */
+ uint64_t ce_adm_int_dest[15]; /* 0x000088 -- 0x0000F8 */
+ uint64_t ce_adm_error_summary; /* 0x000100 */
+ uint64_t ce_adm_error_summary_alias; /* 0x000108 */
+ uint64_t ce_adm_error_mask; /* 0x000110 */
+ uint64_t ce_adm_first_error; /* 0x000118 */
+ uint64_t ce_adm_error_overflow; /* 0x000120 */
+ uint64_t ce_adm_error_overflow_alias; /* 0x000128 */
+ uint64_t ce_pad_000130[2]; /* 0x000130 -- 0x000138 */
+ uint64_t ce_adm_tnum_error; /* 0x000140 */
+ uint64_t ce_adm_mmr_err_detail; /* 0x000148 */
+ uint64_t ce_adm_msg_sram_perr_detail; /* 0x000150 */
+ uint64_t ce_adm_bap_sram_perr_detail; /* 0x000158 */
+ uint64_t ce_adm_ce_sram_perr_detail; /* 0x000160 */
+ uint64_t ce_adm_ce_credit_oflow_detail; /* 0x000168 */
+ uint64_t ce_adm_tx_link_idle_max_timer; /* 0x000170 */
+ uint64_t ce_adm_pcie_debug_sel; /* 0x000178 */
+ uint64_t ce_pad_000180[16]; /* 0x000180 -- 0x0001F8 */
+
+ uint64_t ce_adm_pcie_debug_sel_top; /* 0x000200 */
+ uint64_t ce_adm_pcie_debug_lat_sel_lo_top; /* 0x000208 */
+ uint64_t ce_adm_pcie_debug_lat_sel_hi_top; /* 0x000210 */
+ uint64_t ce_adm_pcie_debug_trig_sel_top; /* 0x000218 */
+ uint64_t ce_adm_pcie_debug_trig_lat_sel_lo_top; /* 0x000220 */
+ uint64_t ce_adm_pcie_debug_trig_lat_sel_hi_top; /* 0x000228 */
+ uint64_t ce_adm_pcie_trig_compare_top; /* 0x000230 */
+ uint64_t ce_adm_pcie_trig_compare_en_top; /* 0x000238 */
+ uint64_t ce_adm_ssp_debug_sel_top; /* 0x000240 */
+ uint64_t ce_adm_ssp_debug_lat_sel_lo_top; /* 0x000248 */
+ uint64_t ce_adm_ssp_debug_lat_sel_hi_top; /* 0x000250 */
+ uint64_t ce_adm_ssp_debug_trig_sel_top; /* 0x000258 */
+ uint64_t ce_adm_ssp_debug_trig_lat_sel_lo_top; /* 0x000260 */
+ uint64_t ce_adm_ssp_debug_trig_lat_sel_hi_top; /* 0x000268 */
+ uint64_t ce_adm_ssp_trig_compare_top; /* 0x000270 */
+ uint64_t ce_adm_ssp_trig_compare_en_top; /* 0x000278 */
+ uint64_t ce_pad_000280[48]; /* 0x000280 -- 0x0003F8 */
+
+ uint64_t ce_adm_bap_ctrl; /* 0x000400 */
+ uint64_t ce_pad_000408[127]; /* 0x000408 -- 0x0007F8 */
+
+ uint64_t ce_msg_buf_data63_0[35]; /* 0x000800 -- 0x000918 */
+ uint64_t ce_pad_000920[29]; /* 0x000920 -- 0x0009F8 */
+
+ uint64_t ce_msg_buf_data127_64[35]; /* 0x000A00 -- 0x000B18 */
+ uint64_t ce_pad_000B20[29]; /* 0x000B20 -- 0x000BF8 */
+
+ uint64_t ce_msg_buf_parity[35]; /* 0x000C00 -- 0x000D18 */
+ uint64_t ce_pad_000D20[29]; /* 0x000D20 -- 0x000DF8 */
+
+ uint64_t ce_pad_000E00[576]; /* 0x000E00 -- 0x001FF8 */
+
+ /*
+ * LSI : LSI's PCI Express Link Registers (Link#1 and Link#2)
+ * Link#1 MMRs at start at 0x002000, Link#2 MMRs at 0x003000
+ * NOTE: the comment offsets at far right: let 'z' = {2 or 3}
+ */
+ #define ce_lsi(link_num) ce_lsi[link_num-1]
+ struct ce_lsi_reg {
+ uint64_t ce_lsi_lpu_id; /* 0x00z000 */
+ uint64_t ce_lsi_rst; /* 0x00z008 */
+ uint64_t ce_lsi_dbg_stat; /* 0x00z010 */
+ uint64_t ce_lsi_dbg_cfg; /* 0x00z018 */
+ uint64_t ce_lsi_ltssm_ctrl; /* 0x00z020 */
+ uint64_t ce_lsi_lk_stat; /* 0x00z028 */
+ uint64_t ce_pad_00z030[2]; /* 0x00z030 -- 0x00z038 */
+ uint64_t ce_lsi_int_and_stat; /* 0x00z040 */
+ uint64_t ce_lsi_int_mask; /* 0x00z048 */
+ uint64_t ce_pad_00z050[22]; /* 0x00z050 -- 0x00z0F8 */
+ uint64_t ce_lsi_lk_perf_cnt_sel; /* 0x00z100 */
+ uint64_t ce_pad_00z108; /* 0x00z108 */
+ uint64_t ce_lsi_lk_perf_cnt_ctrl; /* 0x00z110 */
+ uint64_t ce_pad_00z118; /* 0x00z118 */
+ uint64_t ce_lsi_lk_perf_cnt1; /* 0x00z120 */
+ uint64_t ce_lsi_lk_perf_cnt1_test; /* 0x00z128 */
+ uint64_t ce_lsi_lk_perf_cnt2; /* 0x00z130 */
+ uint64_t ce_lsi_lk_perf_cnt2_test; /* 0x00z138 */
+ uint64_t ce_pad_00z140[24]; /* 0x00z140 -- 0x00z1F8 */
+ uint64_t ce_lsi_lk_lyr_cfg; /* 0x00z200 */
+ uint64_t ce_lsi_lk_lyr_status; /* 0x00z208 */
+ uint64_t ce_lsi_lk_lyr_int_stat; /* 0x00z210 */
+ uint64_t ce_lsi_lk_ly_int_stat_test; /* 0x00z218 */
+ uint64_t ce_lsi_lk_ly_int_stat_mask; /* 0x00z220 */
+ uint64_t ce_pad_00z228[3]; /* 0x00z228 -- 0x00z238 */
+ uint64_t ce_lsi_fc_upd_ctl; /* 0x00z240 */
+ uint64_t ce_pad_00z248[3]; /* 0x00z248 -- 0x00z258 */
+ uint64_t ce_lsi_flw_ctl_upd_to_timer; /* 0x00z260 */
+ uint64_t ce_lsi_flw_ctl_upd_timer0; /* 0x00z268 */
+ uint64_t ce_lsi_flw_ctl_upd_timer1; /* 0x00z270 */
+ uint64_t ce_pad_00z278[49]; /* 0x00z278 -- 0x00z3F8 */
+ uint64_t ce_lsi_freq_nak_lat_thrsh; /* 0x00z400 */
+ uint64_t ce_lsi_ack_nak_lat_tmr; /* 0x00z408 */
+ uint64_t ce_lsi_rply_tmr_thr; /* 0x00z410 */
+ uint64_t ce_lsi_rply_tmr; /* 0x00z418 */
+ uint64_t ce_lsi_rply_num_stat; /* 0x00z420 */
+ uint64_t ce_lsi_rty_buf_max_addr; /* 0x00z428 */
+ uint64_t ce_lsi_rty_fifo_ptr; /* 0x00z430 */
+ uint64_t ce_lsi_rty_fifo_rd_wr_ptr; /* 0x00z438 */
+ uint64_t ce_lsi_rty_fifo_cred; /* 0x00z440 */
+ uint64_t ce_lsi_seq_cnt; /* 0x00z448 */
+ uint64_t ce_lsi_ack_sent_seq_num; /* 0x00z450 */
+ uint64_t ce_lsi_seq_cnt_fifo_max_addr; /* 0x00z458 */
+ uint64_t ce_lsi_seq_cnt_fifo_ptr; /* 0x00z460 */
+ uint64_t ce_lsi_seq_cnt_rd_wr_ptr; /* 0x00z468 */
+ uint64_t ce_lsi_tx_lk_ts_ctl; /* 0x00z470 */
+ uint64_t ce_pad_00z478; /* 0x00z478 */
+ uint64_t ce_lsi_mem_addr_ctl; /* 0x00z480 */
+ uint64_t ce_lsi_mem_d_ld0; /* 0x00z488 */
+ uint64_t ce_lsi_mem_d_ld1; /* 0x00z490 */
+ uint64_t ce_lsi_mem_d_ld2; /* 0x00z498 */
+ uint64_t ce_lsi_mem_d_ld3; /* 0x00z4A0 */
+ uint64_t ce_lsi_mem_d_ld4; /* 0x00z4A8 */
+ uint64_t ce_pad_00z4B0[2]; /* 0x00z4B0 -- 0x00z4B8 */
+ uint64_t ce_lsi_rty_d_cnt; /* 0x00z4C0 */
+ uint64_t ce_lsi_seq_buf_cnt; /* 0x00z4C8 */
+ uint64_t ce_lsi_seq_buf_bt_d; /* 0x00z4D0 */
+ uint64_t ce_pad_00z4D8; /* 0x00z4D8 */
+ uint64_t ce_lsi_ack_lat_thr; /* 0x00z4E0 */
+ uint64_t ce_pad_00z4E8[3]; /* 0x00z4E8 -- 0x00z4F8 */
+ uint64_t ce_lsi_nxt_rcv_seq_1_cntr; /* 0x00z500 */
+ uint64_t ce_lsi_unsp_dllp_rcvd; /* 0x00z508 */
+ uint64_t ce_lsi_rcv_lk_ts_ctl; /* 0x00z510 */
+ uint64_t ce_pad_00z518[29]; /* 0x00z518 -- 0x00z5F8 */
+ uint64_t ce_lsi_phy_lyr_cfg; /* 0x00z600 */
+ uint64_t ce_pad_00z608; /* 0x00z608 */
+ uint64_t ce_lsi_phy_lyr_int_stat; /* 0x00z610 */
+ uint64_t ce_lsi_phy_lyr_int_stat_test; /* 0x00z618 */
+ uint64_t ce_lsi_phy_lyr_int_mask; /* 0x00z620 */
+ uint64_t ce_pad_00z628[11]; /* 0x00z628 -- 0x00z678 */
+ uint64_t ce_lsi_rcv_phy_cfg; /* 0x00z680 */
+ uint64_t ce_lsi_rcv_phy_stat1; /* 0x00z688 */
+ uint64_t ce_lsi_rcv_phy_stat2; /* 0x00z690 */
+ uint64_t ce_lsi_rcv_phy_stat3; /* 0x00z698 */
+ uint64_t ce_lsi_rcv_phy_int_stat; /* 0x00z6A0 */
+ uint64_t ce_lsi_rcv_phy_int_stat_test; /* 0x00z6A8 */
+ uint64_t ce_lsi_rcv_phy_int_mask; /* 0x00z6B0 */
+ uint64_t ce_pad_00z6B8[9]; /* 0x00z6B8 -- 0x00z6F8 */
+ uint64_t ce_lsi_tx_phy_cfg; /* 0x00z700 */
+ uint64_t ce_lsi_tx_phy_stat; /* 0x00z708 */
+ uint64_t ce_lsi_tx_phy_int_stat; /* 0x00z710 */
+ uint64_t ce_lsi_tx_phy_int_stat_test; /* 0x00z718 */
+ uint64_t ce_lsi_tx_phy_int_mask; /* 0x00z720 */
+ uint64_t ce_lsi_tx_phy_stat2; /* 0x00z728 */
+ uint64_t ce_pad_00z730[10]; /* 0x00z730 -- 0x00z77F */
+ uint64_t ce_lsi_ltssm_cfg1; /* 0x00z780 */
+ uint64_t ce_lsi_ltssm_cfg2; /* 0x00z788 */
+ uint64_t ce_lsi_ltssm_cfg3; /* 0x00z790 */
+ uint64_t ce_lsi_ltssm_cfg4; /* 0x00z798 */
+ uint64_t ce_lsi_ltssm_cfg5; /* 0x00z7A0 */
+ uint64_t ce_lsi_ltssm_stat1; /* 0x00z7A8 */
+ uint64_t ce_lsi_ltssm_stat2; /* 0x00z7B0 */
+ uint64_t ce_lsi_ltssm_int_stat; /* 0x00z7B8 */
+ uint64_t ce_lsi_ltssm_int_stat_test; /* 0x00z7C0 */
+ uint64_t ce_lsi_ltssm_int_mask; /* 0x00z7C8 */
+ uint64_t ce_lsi_ltssm_stat_wr_en; /* 0x00z7D0 */
+ uint64_t ce_pad_00z7D8[5]; /* 0x00z7D8 -- 0x00z7F8 */
+ uint64_t ce_lsi_gb_cfg1; /* 0x00z800 */
+ uint64_t ce_lsi_gb_cfg2; /* 0x00z808 */
+ uint64_t ce_lsi_gb_cfg3; /* 0x00z810 */
+ uint64_t ce_lsi_gb_cfg4; /* 0x00z818 */
+ uint64_t ce_lsi_gb_stat; /* 0x00z820 */
+ uint64_t ce_lsi_gb_int_stat; /* 0x00z828 */
+ uint64_t ce_lsi_gb_int_stat_test; /* 0x00z830 */
+ uint64_t ce_lsi_gb_int_mask; /* 0x00z838 */
+ uint64_t ce_lsi_gb_pwr_dn1; /* 0x00z840 */
+ uint64_t ce_lsi_gb_pwr_dn2; /* 0x00z848 */
+ uint64_t ce_pad_00z850[246]; /* 0x00z850 -- 0x00zFF8 */
+ } ce_lsi[2];
+
+ uint64_t ce_pad_004000[10]; /* 0x004000 -- 0x004048 */
+
+ /*
+ * CRM: Coretalk Receive Module Registers
+ */
+ uint64_t ce_crm_debug_mux; /* 0x004050 */
+ uint64_t ce_pad_004058; /* 0x004058 */
+ uint64_t ce_crm_ssp_err_cmd_wrd; /* 0x004060 */
+ uint64_t ce_crm_ssp_err_addr; /* 0x004068 */
+ uint64_t ce_crm_ssp_err_syn; /* 0x004070 */
+
+ uint64_t ce_pad_004078[499]; /* 0x004078 -- 0x005008 */
+
+ /*
+ * CXM: Coretalk Xmit Module Registers
+ */
+ uint64_t ce_cxm_dyn_credit_status; /* 0x005010 */
+ uint64_t ce_cxm_last_credit_status; /* 0x005018 */
+ uint64_t ce_cxm_credit_limit; /* 0x005020 */
+ uint64_t ce_cxm_force_credit; /* 0x005028 */
+ uint64_t ce_cxm_disable_bypass; /* 0x005030 */
+ uint64_t ce_pad_005038[3]; /* 0x005038 -- 0x005048 */
+ uint64_t ce_cxm_debug_mux; /* 0x005050 */
+
+ uint64_t ce_pad_005058[501]; /* 0x005058 -- 0x005FF8 */
+
+ /*
+ * DTL: Downstream Transaction Layer Regs (Link#1 and Link#2)
+ * DTL: Link#1 MMRs at start at 0x006000, Link#2 MMRs at 0x008000
+ * DTL: the comment offsets at far right: let 'y' = {6 or 8}
+ *
+ * UTL: Downstream Transaction Layer Regs (Link#1 and Link#2)
+ * UTL: Link#1 MMRs at start at 0x007000, Link#2 MMRs at 0x009000
+ * UTL: the comment offsets at far right: let 'z' = {7 or 9}
+ */
+ #define ce_dtl(link_num) ce_dtl_utl[link_num-1]
+ #define ce_utl(link_num) ce_dtl_utl[link_num-1]
+ struct ce_dtl_utl_reg {
+ /* DTL */
+ uint64_t ce_dtl_dtdr_credit_limit; /* 0x00y000 */
+ uint64_t ce_dtl_dtdr_credit_force; /* 0x00y008 */
+ uint64_t ce_dtl_dyn_credit_status; /* 0x00y010 */
+ uint64_t ce_dtl_dtl_last_credit_stat; /* 0x00y018 */
+ uint64_t ce_dtl_dtl_ctrl; /* 0x00y020 */
+ uint64_t ce_pad_00y028[5]; /* 0x00y028 -- 0x00y048 */
+ uint64_t ce_dtl_debug_sel; /* 0x00y050 */
+ uint64_t ce_pad_00y058[501]; /* 0x00y058 -- 0x00yFF8 */
+
+ /* UTL */
+ uint64_t ce_utl_utl_ctrl; /* 0x00z000 */
+ uint64_t ce_utl_debug_sel; /* 0x00z008 */
+ uint64_t ce_pad_00z010[510]; /* 0x00z010 -- 0x00zFF8 */
+ } ce_dtl_utl[2];
+
+ uint64_t ce_pad_00A000[514]; /* 0x00A000 -- 0x00B008 */
+
+ /*
+ * URE: Upstream Request Engine
+ */
+ uint64_t ce_ure_dyn_credit_status; /* 0x00B010 */
+ uint64_t ce_ure_last_credit_status; /* 0x00B018 */
+ uint64_t ce_ure_credit_limit; /* 0x00B020 */
+ uint64_t ce_pad_00B028; /* 0x00B028 */
+ uint64_t ce_ure_control; /* 0x00B030 */
+ uint64_t ce_ure_status; /* 0x00B038 */
+ uint64_t ce_pad_00B040[2]; /* 0x00B040 -- 0x00B048 */
+ uint64_t ce_ure_debug_sel; /* 0x00B050 */
+ uint64_t ce_ure_pcie_debug_sel; /* 0x00B058 */
+ uint64_t ce_ure_ssp_err_cmd_wrd; /* 0x00B060 */
+ uint64_t ce_ure_ssp_err_addr; /* 0x00B068 */
+ uint64_t ce_ure_page_map; /* 0x00B070 */
+ uint64_t ce_ure_dir_map[TIOCE_NUM_PORTS]; /* 0x00B078 */
+ uint64_t ce_ure_pipe_sel1; /* 0x00B088 */
+ uint64_t ce_ure_pipe_mask1; /* 0x00B090 */
+ uint64_t ce_ure_pipe_sel2; /* 0x00B098 */
+ uint64_t ce_ure_pipe_mask2; /* 0x00B0A0 */
+ uint64_t ce_ure_pcie1_credits_sent; /* 0x00B0A8 */
+ uint64_t ce_ure_pcie1_credits_used; /* 0x00B0B0 */
+ uint64_t ce_ure_pcie1_credit_limit; /* 0x00B0B8 */
+ uint64_t ce_ure_pcie2_credits_sent; /* 0x00B0C0 */
+ uint64_t ce_ure_pcie2_credits_used; /* 0x00B0C8 */
+ uint64_t ce_ure_pcie2_credit_limit; /* 0x00B0D0 */
+ uint64_t ce_ure_pcie_force_credit; /* 0x00B0D8 */
+ uint64_t ce_ure_rd_tnum_val; /* 0x00B0E0 */
+ uint64_t ce_ure_rd_tnum_rsp_rcvd; /* 0x00B0E8 */
+ uint64_t ce_ure_rd_tnum_esent_timer; /* 0x00B0F0 */
+ uint64_t ce_ure_rd_tnum_error; /* 0x00B0F8 */
+ uint64_t ce_ure_rd_tnum_first_cl; /* 0x00B100 */
+ uint64_t ce_ure_rd_tnum_link_buf; /* 0x00B108 */
+ uint64_t ce_ure_wr_tnum_val; /* 0x00B110 */
+ uint64_t ce_ure_sram_err_addr0; /* 0x00B118 */
+ uint64_t ce_ure_sram_err_addr1; /* 0x00B120 */
+ uint64_t ce_ure_sram_err_addr2; /* 0x00B128 */
+ uint64_t ce_ure_sram_rd_addr0; /* 0x00B130 */
+ uint64_t ce_ure_sram_rd_addr1; /* 0x00B138 */
+ uint64_t ce_ure_sram_rd_addr2; /* 0x00B140 */
+ uint64_t ce_ure_sram_wr_addr0; /* 0x00B148 */
+ uint64_t ce_ure_sram_wr_addr1; /* 0x00B150 */
+ uint64_t ce_ure_sram_wr_addr2; /* 0x00B158 */
+ uint64_t ce_ure_buf_flush10; /* 0x00B160 */
+ uint64_t ce_ure_buf_flush11; /* 0x00B168 */
+ uint64_t ce_ure_buf_flush12; /* 0x00B170 */
+ uint64_t ce_ure_buf_flush13; /* 0x00B178 */
+ uint64_t ce_ure_buf_flush20; /* 0x00B180 */
+ uint64_t ce_ure_buf_flush21; /* 0x00B188 */
+ uint64_t ce_ure_buf_flush22; /* 0x00B190 */
+ uint64_t ce_ure_buf_flush23; /* 0x00B198 */
+ uint64_t ce_ure_pcie_control1; /* 0x00B1A0 */
+ uint64_t ce_ure_pcie_control2; /* 0x00B1A8 */
+
+ uint64_t ce_pad_00B1B0[458]; /* 0x00B1B0 -- 0x00BFF8 */
+
+ /* Upstream Data Buffer, Port1 */
+ struct ce_ure_maint_ups_dat1_data {
+ uint64_t data63_0[512]; /* 0x00C000 -- 0x00CFF8 */
+ uint64_t data127_64[512]; /* 0x00D000 -- 0x00DFF8 */
+ uint64_t parity[512]; /* 0x00E000 -- 0x00EFF8 */
+ } ce_ure_maint_ups_dat1;
+
+ /* Upstream Header Buffer, Port1 */
+ struct ce_ure_maint_ups_hdr1_data {
+ uint64_t data63_0[512]; /* 0x00F000 -- 0x00FFF8 */
+ uint64_t data127_64[512]; /* 0x010000 -- 0x010FF8 */
+ uint64_t parity[512]; /* 0x011000 -- 0x011FF8 */
+ } ce_ure_maint_ups_hdr1;
+
+ /* Upstream Data Buffer, Port2 */
+ struct ce_ure_maint_ups_dat2_data {
+ uint64_t data63_0[512]; /* 0x012000 -- 0x012FF8 */
+ uint64_t data127_64[512]; /* 0x013000 -- 0x013FF8 */
+ uint64_t parity[512]; /* 0x014000 -- 0x014FF8 */
+ } ce_ure_maint_ups_dat2;
+
+ /* Upstream Header Buffer, Port2 */
+ struct ce_ure_maint_ups_hdr2_data {
+ uint64_t data63_0[512]; /* 0x015000 -- 0x015FF8 */
+ uint64_t data127_64[512]; /* 0x016000 -- 0x016FF8 */
+ uint64_t parity[512]; /* 0x017000 -- 0x017FF8 */
+ } ce_ure_maint_ups_hdr2;
+
+ /* Downstream Data Buffer */
+ struct ce_ure_maint_dns_dat_data {
+ uint64_t data63_0[512]; /* 0x018000 -- 0x018FF8 */
+ uint64_t data127_64[512]; /* 0x019000 -- 0x019FF8 */
+ uint64_t parity[512]; /* 0x01A000 -- 0x01AFF8 */
+ } ce_ure_maint_dns_dat;
+
+ /* Downstream Header Buffer */
+ struct ce_ure_maint_dns_hdr_data {
+ uint64_t data31_0[64]; /* 0x01B000 -- 0x01B1F8 */
+ uint64_t data95_32[64]; /* 0x01B200 -- 0x01B3F8 */
+ uint64_t parity[64]; /* 0x01B400 -- 0x01B5F8 */
+ } ce_ure_maint_dns_hdr;
+
+ /* RCI Buffer Data */
+ struct ce_ure_maint_rci_data {
+ uint64_t data41_0[64]; /* 0x01B600 -- 0x01B7F8 */
+ uint64_t data69_42[64]; /* 0x01B800 -- 0x01B9F8 */
+ } ce_ure_maint_rci;
+
+ /* Response Queue */
+ uint64_t ce_ure_maint_rspq[64]; /* 0x01BA00 -- 0x01BBF8 */
+
+ uint64_t ce_pad_01C000[4224]; /* 0x01BC00 -- 0x023FF8 */
+
+ /* Admin Build-a-Packet Buffer */
+ struct ce_adm_maint_bap_buf_data {
+ uint64_t data63_0[258]; /* 0x024000 -- 0x024808 */
+ uint64_t data127_64[258]; /* 0x024810 -- 0x025018 */
+ uint64_t parity[258]; /* 0x025020 -- 0x025828 */
+ } ce_adm_maint_bap_buf;
+
+ uint64_t ce_pad_025830[5370]; /* 0x025830 -- 0x02FFF8 */
+
+ /* URE: 40bit PMU ATE Buffer */ /* 0x030000 -- 0x037FF8 */
+ uint64_t ce_ure_ate40[TIOCE_NUM_M40_ATES];
+
+ /* URE: 32/40bit PMU ATE Buffer */ /* 0x038000 -- 0x03BFF8 */
+ uint64_t ce_ure_ate3240[TIOCE_NUM_M3240_ATES];
+
+ uint64_t ce_pad_03C000[2050]; /* 0x03C000 -- 0x040008 */
+
+ /*
+ * DRE: Down Stream Request Engine
+ */
+ uint64_t ce_dre_dyn_credit_status1; /* 0x040010 */
+ uint64_t ce_dre_dyn_credit_status2; /* 0x040018 */
+ uint64_t ce_dre_last_credit_status1; /* 0x040020 */
+ uint64_t ce_dre_last_credit_status2; /* 0x040028 */
+ uint64_t ce_dre_credit_limit1; /* 0x040030 */
+ uint64_t ce_dre_credit_limit2; /* 0x040038 */
+ uint64_t ce_dre_force_credit1; /* 0x040040 */
+ uint64_t ce_dre_force_credit2; /* 0x040048 */
+ uint64_t ce_dre_debug_mux1; /* 0x040050 */
+ uint64_t ce_dre_debug_mux2; /* 0x040058 */
+ uint64_t ce_dre_ssp_err_cmd_wrd; /* 0x040060 */
+ uint64_t ce_dre_ssp_err_addr; /* 0x040068 */
+ uint64_t ce_dre_comp_err_cmd_wrd; /* 0x040070 */
+ uint64_t ce_dre_comp_err_addr; /* 0x040078 */
+ uint64_t ce_dre_req_status; /* 0x040080 */
+ uint64_t ce_dre_config1; /* 0x040088 */
+ uint64_t ce_dre_config2; /* 0x040090 */
+ uint64_t ce_dre_config_req_status; /* 0x040098 */
+ uint64_t ce_pad_0400A0[12]; /* 0x0400A0 -- 0x0400F8 */
+ uint64_t ce_dre_dyn_fifo; /* 0x040100 */
+ uint64_t ce_pad_040108[3]; /* 0x040108 -- 0x040118 */
+ uint64_t ce_dre_last_fifo; /* 0x040120 */
+
+ uint64_t ce_pad_040128[27]; /* 0x040128 -- 0x0401F8 */
+
+ /* DRE Downstream Head Queue */
+ struct ce_dre_maint_ds_head_queue {
+ uint64_t data63_0[32]; /* 0x040200 -- 0x0402F8 */
+ uint64_t data127_64[32]; /* 0x040300 -- 0x0403F8 */
+ uint64_t parity[32]; /* 0x040400 -- 0x0404F8 */
+ } ce_dre_maint_ds_head_q;
+
+ uint64_t ce_pad_040500[352]; /* 0x040500 -- 0x040FF8 */
+
+ /* DRE Downstream Data Queue */
+ struct ce_dre_maint_ds_data_queue {
+ uint64_t data63_0[256]; /* 0x041000 -- 0x0417F8 */
+ uint64_t ce_pad_041800[256]; /* 0x041800 -- 0x041FF8 */
+ uint64_t data127_64[256]; /* 0x042000 -- 0x0427F8 */
+ uint64_t ce_pad_042800[256]; /* 0x042800 -- 0x042FF8 */
+ uint64_t parity[256]; /* 0x043000 -- 0x0437F8 */
+ uint64_t ce_pad_043800[256]; /* 0x043800 -- 0x043FF8 */
+ } ce_dre_maint_ds_data_q;
+
+ /* DRE URE Upstream Response Queue */
+ struct ce_dre_maint_ure_us_rsp_queue {
+ uint64_t data63_0[8]; /* 0x044000 -- 0x044038 */
+ uint64_t ce_pad_044040[24]; /* 0x044040 -- 0x0440F8 */
+ uint64_t data127_64[8]; /* 0x044100 -- 0x044138 */
+ uint64_t ce_pad_044140[24]; /* 0x044140 -- 0x0441F8 */
+ uint64_t parity[8]; /* 0x044200 -- 0x044238 */
+ uint64_t ce_pad_044240[24]; /* 0x044240 -- 0x0442F8 */
+ } ce_dre_maint_ure_us_rsp_q;
+
+ uint64_t ce_dre_maint_us_wrt_rsp[32];/* 0x044300 -- 0x0443F8 */
+
+ uint64_t ce_end_of_struct; /* 0x044400 */
+} tioce_t;
+
+
+/* ce_adm_int_mask/ce_adm_int_status register bit defines */
+#define CE_ADM_INT_CE_ERROR_SHFT 0
+#define CE_ADM_INT_LSI1_IP_ERROR_SHFT 1
+#define CE_ADM_INT_LSI2_IP_ERROR_SHFT 2
+#define CE_ADM_INT_PCIE_ERROR_SHFT 3
+#define CE_ADM_INT_PORT1_HOTPLUG_EVENT_SHFT 4
+#define CE_ADM_INT_PORT2_HOTPLUG_EVENT_SHFT 5
+#define CE_ADM_INT_PCIE_PORT1_DEV_A_SHFT 6
+#define CE_ADM_INT_PCIE_PORT1_DEV_B_SHFT 7
+#define CE_ADM_INT_PCIE_PORT1_DEV_C_SHFT 8
+#define CE_ADM_INT_PCIE_PORT1_DEV_D_SHFT 9
+#define CE_ADM_INT_PCIE_PORT2_DEV_A_SHFT 10
+#define CE_ADM_INT_PCIE_PORT2_DEV_B_SHFT 11
+#define CE_ADM_INT_PCIE_PORT2_DEV_C_SHFT 12
+#define CE_ADM_INT_PCIE_PORT2_DEV_D_SHFT 13
+#define CE_ADM_INT_PCIE_MSG_SHFT 14 /*see int_dest_14*/
+#define CE_ADM_INT_PCIE_MSG_SLOT_0_SHFT 14
+#define CE_ADM_INT_PCIE_MSG_SLOT_1_SHFT 15
+#define CE_ADM_INT_PCIE_MSG_SLOT_2_SHFT 16
+#define CE_ADM_INT_PCIE_MSG_SLOT_3_SHFT 17
+#define CE_ADM_INT_PORT1_PM_PME_MSG_SHFT 22
+#define CE_ADM_INT_PORT2_PM_PME_MSG_SHFT 23
+
+/* ce_adm_force_int register bit defines */
+#define CE_ADM_FORCE_INT_PCIE_PORT1_DEV_A_SHFT 0
+#define CE_ADM_FORCE_INT_PCIE_PORT1_DEV_B_SHFT 1
+#define CE_ADM_FORCE_INT_PCIE_PORT1_DEV_C_SHFT 2
+#define CE_ADM_FORCE_INT_PCIE_PORT1_DEV_D_SHFT 3
+#define CE_ADM_FORCE_INT_PCIE_PORT2_DEV_A_SHFT 4
+#define CE_ADM_FORCE_INT_PCIE_PORT2_DEV_B_SHFT 5
+#define CE_ADM_FORCE_INT_PCIE_PORT2_DEV_C_SHFT 6
+#define CE_ADM_FORCE_INT_PCIE_PORT2_DEV_D_SHFT 7
+#define CE_ADM_FORCE_INT_ALWAYS_SHFT 8
+
+/* ce_adm_int_dest register bit masks & shifts */
+#define INTR_VECTOR_SHFT 56
+
+/* ce_adm_error_mask and ce_adm_error_summary register bit masks */
+#define CE_ADM_ERR_CRM_SSP_REQ_INVALID (0x1ULL << 0)
+#define CE_ADM_ERR_SSP_REQ_HEADER (0x1ULL << 1)
+#define CE_ADM_ERR_SSP_RSP_HEADER (0x1ULL << 2)
+#define CE_ADM_ERR_SSP_PROTOCOL_ERROR (0x1ULL << 3)
+#define CE_ADM_ERR_SSP_SBE (0x1ULL << 4)
+#define CE_ADM_ERR_SSP_MBE (0x1ULL << 5)
+#define CE_ADM_ERR_CXM_CREDIT_OFLOW (0x1ULL << 6)
+#define CE_ADM_ERR_DRE_SSP_REQ_INVAL (0x1ULL << 7)
+#define CE_ADM_ERR_SSP_REQ_LONG (0x1ULL << 8)
+#define CE_ADM_ERR_SSP_REQ_OFLOW (0x1ULL << 9)
+#define CE_ADM_ERR_SSP_REQ_SHORT (0x1ULL << 10)
+#define CE_ADM_ERR_SSP_REQ_SIDEBAND (0x1ULL << 11)
+#define CE_ADM_ERR_SSP_REQ_ADDR_ERR (0x1ULL << 12)
+#define CE_ADM_ERR_SSP_REQ_BAD_BE (0x1ULL << 13)
+#define CE_ADM_ERR_PCIE_COMPL_TIMEOUT (0x1ULL << 14)
+#define CE_ADM_ERR_PCIE_UNEXP_COMPL (0x1ULL << 15)
+#define CE_ADM_ERR_PCIE_ERR_COMPL (0x1ULL << 16)
+#define CE_ADM_ERR_DRE_CREDIT_OFLOW (0x1ULL << 17)
+#define CE_ADM_ERR_DRE_SRAM_PE (0x1ULL << 18)
+#define CE_ADM_ERR_SSP_RSP_INVALID (0x1ULL << 19)
+#define CE_ADM_ERR_SSP_RSP_LONG (0x1ULL << 20)
+#define CE_ADM_ERR_SSP_RSP_SHORT (0x1ULL << 21)
+#define CE_ADM_ERR_SSP_RSP_SIDEBAND (0x1ULL << 22)
+#define CE_ADM_ERR_URE_SSP_RSP_UNEXP (0x1ULL << 23)
+#define CE_ADM_ERR_URE_SSP_WR_REQ_TIMEOUT (0x1ULL << 24)
+#define CE_ADM_ERR_URE_SSP_RD_REQ_TIMEOUT (0x1ULL << 25)
+#define CE_ADM_ERR_URE_ATE3240_PAGE_FAULT (0x1ULL << 26)
+#define CE_ADM_ERR_URE_ATE40_PAGE_FAULT (0x1ULL << 27)
+#define CE_ADM_ERR_URE_CREDIT_OFLOW (0x1ULL << 28)
+#define CE_ADM_ERR_URE_SRAM_PE (0x1ULL << 29)
+#define CE_ADM_ERR_ADM_SSP_RSP_UNEXP (0x1ULL << 30)
+#define CE_ADM_ERR_ADM_SSP_REQ_TIMEOUT (0x1ULL << 31)
+#define CE_ADM_ERR_MMR_ACCESS_ERROR (0x1ULL << 32)
+#define CE_ADM_ERR_MMR_ADDR_ERROR (0x1ULL << 33)
+#define CE_ADM_ERR_ADM_CREDIT_OFLOW (0x1ULL << 34)
+#define CE_ADM_ERR_ADM_SRAM_PE (0x1ULL << 35)
+#define CE_ADM_ERR_DTL1_MIN_PDATA_CREDIT_ERR (0x1ULL << 36)
+#define CE_ADM_ERR_DTL1_INF_COMPL_CRED_UPDT_ERR (0x1ULL << 37)
+#define CE_ADM_ERR_DTL1_INF_POSTED_CRED_UPDT_ERR (0x1ULL << 38)
+#define CE_ADM_ERR_DTL1_INF_NPOSTED_CRED_UPDT_ERR (0x1ULL << 39)
+#define CE_ADM_ERR_DTL1_COMP_HD_CRED_MAX_ERR (0x1ULL << 40)
+#define CE_ADM_ERR_DTL1_COMP_D_CRED_MAX_ERR (0x1ULL << 41)
+#define CE_ADM_ERR_DTL1_NPOSTED_HD_CRED_MAX_ERR (0x1ULL << 42)
+#define CE_ADM_ERR_DTL1_NPOSTED_D_CRED_MAX_ERR (0x1ULL << 43)
+#define CE_ADM_ERR_DTL1_POSTED_HD_CRED_MAX_ERR (0x1ULL << 44)
+#define CE_ADM_ERR_DTL1_POSTED_D_CRED_MAX_ERR (0x1ULL << 45)
+#define CE_ADM_ERR_DTL2_MIN_PDATA_CREDIT_ERR (0x1ULL << 46)
+#define CE_ADM_ERR_DTL2_INF_COMPL_CRED_UPDT_ERR (0x1ULL << 47)
+#define CE_ADM_ERR_DTL2_INF_POSTED_CRED_UPDT_ERR (0x1ULL << 48)
+#define CE_ADM_ERR_DTL2_INF_NPOSTED_CRED_UPDT_ERR (0x1ULL << 49)
+#define CE_ADM_ERR_DTL2_COMP_HD_CRED_MAX_ERR (0x1ULL << 50)
+#define CE_ADM_ERR_DTL2_COMP_D_CRED_MAX_ERR (0x1ULL << 51)
+#define CE_ADM_ERR_DTL2_NPOSTED_HD_CRED_MAX_ERR (0x1ULL << 52)
+#define CE_ADM_ERR_DTL2_NPOSTED_D_CRED_MAX_ERR (0x1ULL << 53)
+#define CE_ADM_ERR_DTL2_POSTED_HD_CRED_MAX_ERR (0x1ULL << 54)
+#define CE_ADM_ERR_DTL2_POSTED_D_CRED_MAX_ERR (0x1ULL << 55)
+#define CE_ADM_ERR_PORT1_PCIE_COR_ERR (0x1ULL << 56)
+#define CE_ADM_ERR_PORT1_PCIE_NFAT_ERR (0x1ULL << 57)
+#define CE_ADM_ERR_PORT1_PCIE_FAT_ERR (0x1ULL << 58)
+#define CE_ADM_ERR_PORT2_PCIE_COR_ERR (0x1ULL << 59)
+#define CE_ADM_ERR_PORT2_PCIE_NFAT_ERR (0x1ULL << 60)
+#define CE_ADM_ERR_PORT2_PCIE_FAT_ERR (0x1ULL << 61)
+
+/* ce_adm_ure_ups_buf_barrier_flush register bit masks and shifts */
+#define FLUSH_SEL_PORT1_PIPE0_SHFT 0
+#define FLUSH_SEL_PORT1_PIPE1_SHFT 4
+#define FLUSH_SEL_PORT1_PIPE2_SHFT 8
+#define FLUSH_SEL_PORT1_PIPE3_SHFT 12
+#define FLUSH_SEL_PORT2_PIPE0_SHFT 16
+#define FLUSH_SEL_PORT2_PIPE1_SHFT 20
+#define FLUSH_SEL_PORT2_PIPE2_SHFT 24
+#define FLUSH_SEL_PORT2_PIPE3_SHFT 28
+
+/* ce_dre_config1 register bit masks and shifts */
+#define CE_DRE_RO_ENABLE (0x1ULL << 0)
+#define CE_DRE_DYN_RO_ENABLE (0x1ULL << 1)
+#define CE_DRE_SUP_CONFIG_COMP_ERROR (0x1ULL << 2)
+#define CE_DRE_SUP_IO_COMP_ERROR (0x1ULL << 3)
+#define CE_DRE_ADDR_MODE_SHFT 4
+
+/* ce_dre_config_req_status register bit masks */
+#define CE_DRE_LAST_CONFIG_COMPLETION (0x7ULL << 0)
+#define CE_DRE_DOWNSTREAM_CONFIG_ERROR (0x1ULL << 3)
+#define CE_DRE_CONFIG_COMPLETION_VALID (0x1ULL << 4)
+#define CE_DRE_CONFIG_REQUEST_ACTIVE (0x1ULL << 5)
+
+/* ce_ure_control register bit masks & shifts */
+#define CE_URE_RD_MRG_ENABLE (0x1ULL << 0)
+#define CE_URE_WRT_MRG_ENABLE1 (0x1ULL << 4)
+#define CE_URE_WRT_MRG_ENABLE2 (0x1ULL << 5)
+#define CE_URE_RSPQ_BYPASS_DISABLE (0x1ULL << 24)
+#define CE_URE_UPS_DAT1_PAR_DISABLE (0x1ULL << 32)
+#define CE_URE_UPS_HDR1_PAR_DISABLE (0x1ULL << 33)
+#define CE_URE_UPS_DAT2_PAR_DISABLE (0x1ULL << 34)
+#define CE_URE_UPS_HDR2_PAR_DISABLE (0x1ULL << 35)
+#define CE_URE_ATE_PAR_DISABLE (0x1ULL << 36)
+#define CE_URE_RCI_PAR_DISABLE (0x1ULL << 37)
+#define CE_URE_RSPQ_PAR_DISABLE (0x1ULL << 38)
+#define CE_URE_DNS_DAT_PAR_DISABLE (0x1ULL << 39)
+#define CE_URE_DNS_HDR_PAR_DISABLE (0x1ULL << 40)
+#define CE_URE_MALFORM_DISABLE (0x1ULL << 44)
+#define CE_URE_UNSUP_DISABLE (0x1ULL << 45)
+
+/* ce_ure_page_map register bit masks & shifts */
+#define CE_URE_ATE3240_ENABLE (0x1ULL << 0)
+#define CE_URE_ATE40_ENABLE (0x1ULL << 1)
+#define CE_URE_PAGESIZE_SHFT 4
+#define CE_URE_PAGESIZE_MASK (0x7ULL << CE_URE_PAGESIZE_SHFT)
+#define CE_URE_4K_PAGESIZE (0x0ULL << CE_URE_PAGESIZE_SHFT)
+#define CE_URE_16K_PAGESIZE (0x1ULL << CE_URE_PAGESIZE_SHFT)
+#define CE_URE_64K_PAGESIZE (0x2ULL << CE_URE_PAGESIZE_SHFT)
+#define CE_URE_128K_PAGESIZE (0x3ULL << CE_URE_PAGESIZE_SHFT)
+#define CE_URE_256K_PAGESIZE (0x4ULL << CE_URE_PAGESIZE_SHFT)
+
+/* ce_ure_pipe_sel register bit masks & shifts */
+#define PKT_TRAFIC_SHRT 16
+#define BUS_SRC_ID_SHFT 8
+#define DEV_SRC_ID_SHFT 3
+#define FNC_SRC_ID_SHFT 0
+#define CE_URE_TC_MASK (0x07ULL << PKT_TRAFIC_SHRT)
+#define CE_URE_BUS_MASK (0xFFULL << BUS_SRC_ID_SHFT)
+#define CE_URE_DEV_MASK (0x1FULL << DEV_SRC_ID_SHFT)
+#define CE_URE_FNC_MASK (0x07ULL << FNC_SRC_ID_SHFT)
+#define CE_URE_PIPE_BUS(b) (((uint64_t)(b) << BUS_SRC_ID_SHFT) & \
+ CE_URE_BUS_MASK)
+#define CE_URE_PIPE_DEV(d) (((uint64_t)(d) << DEV_SRC_ID_SHFT) & \
+ CE_URE_DEV_MASK)
+#define CE_URE_PIPE_FNC(f) (((uint64_t)(f) << FNC_SRC_ID_SHFT) & \
+ CE_URE_FNC_MASK)
+
+#define CE_URE_SEL1_SHFT 0
+#define CE_URE_SEL2_SHFT 20
+#define CE_URE_SEL3_SHFT 40
+#define CE_URE_SEL1_MASK (0x7FFFFULL << CE_URE_SEL1_SHFT)
+#define CE_URE_SEL2_MASK (0x7FFFFULL << CE_URE_SEL2_SHFT)
+#define CE_URE_SEL3_MASK (0x7FFFFULL << CE_URE_SEL3_SHFT)
+
+
+/* ce_ure_pipe_mask register bit masks & shifts */
+#define CE_URE_MASK1_SHFT 0
+#define CE_URE_MASK2_SHFT 20
+#define CE_URE_MASK3_SHFT 40
+#define CE_URE_MASK1_MASK (0x7FFFFULL << CE_URE_MASK1_SHFT)
+#define CE_URE_MASK2_MASK (0x7FFFFULL << CE_URE_MASK2_SHFT)
+#define CE_URE_MASK3_MASK (0x7FFFFULL << CE_URE_MASK3_SHFT)
+
+
+/* ce_ure_pcie_control1 register bit masks & shifts */
+#define CE_URE_SI (0x1ULL << 0)
+#define CE_URE_ELAL_SHFT 4
+#define CE_URE_ELAL_MASK (0x7ULL << CE_URE_ELAL_SHFT)
+#define CE_URE_ELAL1_SHFT 8
+#define CE_URE_ELAL1_MASK (0x7ULL << CE_URE_ELAL1_SHFT)
+#define CE_URE_SCC (0x1ULL << 12)
+#define CE_URE_PN1_SHFT 16
+#define CE_URE_PN1_MASK (0xFFULL << CE_URE_PN1_SHFT)
+#define CE_URE_PN2_SHFT 24
+#define CE_URE_PN2_MASK (0xFFULL << CE_URE_PN2_SHFT)
+#define CE_URE_PN1_SET(n) (((uint64_t)(n) << CE_URE_PN1_SHFT) & \
+ CE_URE_PN1_MASK)
+#define CE_URE_PN2_SET(n) (((uint64_t)(n) << CE_URE_PN2_SHFT) & \
+ CE_URE_PN2_MASK)
+
+/* ce_ure_pcie_control2 register bit masks & shifts */
+#define CE_URE_ABP (0x1ULL << 0)
+#define CE_URE_PCP (0x1ULL << 1)
+#define CE_URE_MSP (0x1ULL << 2)
+#define CE_URE_AIP (0x1ULL << 3)
+#define CE_URE_PIP (0x1ULL << 4)
+#define CE_URE_HPS (0x1ULL << 5)
+#define CE_URE_HPC (0x1ULL << 6)
+#define CE_URE_SPLV_SHFT 7
+#define CE_URE_SPLV_MASK (0xFFULL << CE_URE_SPLV_SHFT)
+#define CE_URE_SPLS_SHFT 15
+#define CE_URE_SPLS_MASK (0x3ULL << CE_URE_SPLS_SHFT)
+#define CE_URE_PSN1_SHFT 19
+#define CE_URE_PSN1_MASK (0x1FFFULL << CE_URE_PSN1_SHFT)
+#define CE_URE_PSN2_SHFT 32
+#define CE_URE_PSN2_MASK (0x1FFFULL << CE_URE_PSN2_SHFT)
+#define CE_URE_PSN1_SET(n) (((uint64_t)(n) << CE_URE_PSN1_SHFT) & \
+ CE_URE_PSN1_MASK)
+#define CE_URE_PSN2_SET(n) (((uint64_t)(n) << CE_URE_PSN2_SHFT) & \
+ CE_URE_PSN2_MASK)
+
+/*
+ * PIO address space ranges for CE
+ */
+
+/* Local CE Registers Space */
+#define CE_PIO_MMR 0x00000000
+#define CE_PIO_MMR_LEN 0x04000000
+
+/* PCI Compatible Config Space */
+#define CE_PIO_CONFIG_SPACE 0x04000000
+#define CE_PIO_CONFIG_SPACE_LEN 0x04000000
+
+/* PCI I/O Space Alias */
+#define CE_PIO_IO_SPACE_ALIAS 0x08000000
+#define CE_PIO_IO_SPACE_ALIAS_LEN 0x08000000
+
+/* PCI Enhanced Config Space */
+#define CE_PIO_E_CONFIG_SPACE 0x10000000
+#define CE_PIO_E_CONFIG_SPACE_LEN 0x10000000
+
+/* PCI I/O Space */
+#define CE_PIO_IO_SPACE 0x100000000
+#define CE_PIO_IO_SPACE_LEN 0x100000000
+
+/* PCI MEM Space */
+#define CE_PIO_MEM_SPACE 0x200000000
+#define CE_PIO_MEM_SPACE_LEN TIO_HWIN_SIZE
+
+
+/*
+ * CE PCI Enhanced Config Space shifts & masks
+ */
+#define CE_E_CONFIG_BUS_SHFT 20
+#define CE_E_CONFIG_BUS_MASK (0xFF << CE_E_CONFIG_BUS_SHFT)
+#define CE_E_CONFIG_DEVICE_SHFT 15
+#define CE_E_CONFIG_DEVICE_MASK (0x1F << CE_E_CONFIG_DEVICE_SHFT)
+#define CE_E_CONFIG_FUNC_SHFT 12
+#define CE_E_CONFIG_FUNC_MASK (0x7 << CE_E_CONFIG_FUNC_SHFT)
+
+#endif /* __ASM_IA64_SN_TIOCE_H__ */
--- /dev/null
+/**************************************************************************
+ * 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 */
projects / linux-beck.git / commitdiff