* 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.
*/
#include <linux/bootmem.h>
#include <linux/nodemask.h>
#include <asm/sn/types.h>
-#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
-#include <asm/sn/pcibus_provider_defs.h>
-#include <asm/sn/pcidev.h>
-#include "pci/pcibr_provider.h"
-#include "xtalk/xwidgetdev.h"
+#include <asm/sn/sn_feature_sets.h>
#include <asm/sn/geo.h>
-#include "xtalk/hubdev.h"
#include <asm/sn/io.h>
+#include <asm/sn/l1.h>
+#include <asm/sn/module.h>
+#include <asm/sn/pcibr_provider.h>
+#include <asm/sn/pcibus_provider_defs.h>
+#include <asm/sn/pcidev.h>
#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"
+
+
+extern void sn_init_cpei_timer(void);
+extern void register_sn_procfs(void);
-char master_baseio_wid;
-nasid_t master_nasid = INVALID_NASID; /* Partition Master */
+static struct list_head sn_sysdata_list;
+
+/* sysdata list struct */
+struct sysdata_el {
+ struct list_head entry;
+ void *sysdata;
+};
struct slab_info {
struct hubdev_info hubdev;
struct slab_info slab_info[MAX_SLABS + 1];
};
-int sn_ioif_inited = 0; /* SN I/O infrastructure initialized? */
+int sn_ioif_inited; /* SN I/O infrastructure initialized? */
struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */
+static int max_segment_number; /* Default highest segment number */
+static int max_pcibus_number = 255; /* Default highest pci bus number */
+
/*
* Hooks and struct for unsupported pci providers
*/
}
static void *
-sn_default_pci_bus_fixup(struct pcibus_bussoft *soft)
+sn_default_pci_bus_fixup(struct pcibus_bussoft *soft, struct pci_controller *controller)
{
return NULL;
}
};
/*
- * Retrieve the DMA Flush List given nasid. This list is needed
- * to implement the WAR - Flush DMA data on PIO Reads.
+ * Retrieve the DMA Flush List given nasid, widget, and device.
+ * This list is needed to implement the WAR - Flush DMA data on PIO Reads.
*/
-static inline uint64_t
-sal_get_widget_dmaflush_list(u64 nasid, u64 widget_num, u64 address)
+static inline u64
+sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
+ u64 address)
{
-
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
SAL_CALL_NOLOCK(ret_stuff,
- (u64) SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST,
- (u64) nasid, (u64) widget_num, (u64) address, 0, 0, 0,
- 0);
- return ret_stuff.v0;
-
+ (u64) SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST,
+ (u64) nasid, (u64) widget_num,
+ (u64) device_num, (u64) address, 0, 0, 0);
+ return ret_stuff.status;
}
/*
* Retrieve the hub device info structure for the given nasid.
*/
-static inline uint64_t sal_get_hubdev_info(u64 handle, u64 address)
+static inline u64 sal_get_hubdev_info(u64 handle, u64 address)
{
-
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
/*
* Retrieve the pci bus information given the bus number.
*/
-static inline uint64_t sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
+static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address)
{
-
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
ret_stuff.v0 = 0;
/*
* Retrieve the pci device information given the bus and device|function number.
*/
-static inline uint64_t
-sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
- u64 sn_irq_info)
+static inline u64
+sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
+ u64 sn_irq_info)
{
struct ia64_sal_retval ret_stuff;
ret_stuff.status = 0;
SAL_CALL_NOLOCK(ret_stuff,
(u64) SN_SAL_IOIF_GET_PCIDEV_INFO,
- (u64) segment, (u64) bus_number, (u64) devfn,
+ (u64) segment, (u64) bus_number, (u64) devfn,
(u64) pci_dev,
sn_irq_info, 0, 0);
return ret_stuff.v0;
}
/*
- * sn_alloc_pci_sysdata() - This routine allocates a pci controller
- * which is expected as the pci_dev and pci_bus sysdata by the Linux
- * PCI infrastructure.
+ * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified
+ * device.
*/
-static inline struct pci_controller *sn_alloc_pci_sysdata(void)
+inline struct pcidev_info *
+sn_pcidev_info_get(struct pci_dev *dev)
+{
+ struct pcidev_info *pcidev;
+
+ list_for_each_entry(pcidev,
+ &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) {
+ if (pcidev->pdi_linux_pcidev == dev) {
+ return pcidev;
+ }
+ }
+ return NULL;
+}
+
+/* Older PROM flush WAR
+ *
+ * 01/16/06 -- This war will be in place until a new official PROM is released.
+ * Additionally note that the struct sn_flush_device_war also has to be
+ * removed from arch/ia64/sn/include/xtalk/hubdev.h
+ */
+static u8 war_implemented = 0;
+
+static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
+ struct sn_flush_device_common *common)
{
- struct pci_controller *pci_sysdata;
+ struct sn_flush_device_war *war_list;
+ struct sn_flush_device_war *dev_entry;
+ struct ia64_sal_retval isrv = {0,0,0,0};
+
+ if (!war_implemented) {
+ printk(KERN_WARNING "PROM version < 4.50 -- implementing old "
+ "PROM flush WAR\n");
+ war_implemented = 1;
+ }
- pci_sysdata = kmalloc(sizeof(*pci_sysdata), GFP_KERNEL);
- if (!pci_sysdata)
+ war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL);
+ if (!war_list)
BUG();
- memset(pci_sysdata, 0, sizeof(*pci_sysdata));
- return pci_sysdata;
+ SAL_CALL_NOLOCK(isrv, SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST,
+ nasid, widget, __pa(war_list), 0, 0, 0 ,0);
+ if (isrv.status)
+ panic("sn_device_fixup_war failed: %s\n",
+ ia64_sal_strerror(isrv.status));
+
+ dev_entry = war_list + device;
+ memcpy(common,dev_entry, sizeof(*common));
+ kfree(war_list);
+
+ return isrv.status;
}
/*
- * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for
+ * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for
* each node in the system.
*/
-static void sn_fixup_ionodes(void)
+static void __init sn_fixup_ionodes(void)
{
-
- struct sn_flush_device_list *sn_flush_device_list;
+ struct sn_flush_device_kernel *sn_flush_device_kernel;
+ struct sn_flush_device_kernel *dev_entry;
struct hubdev_info *hubdev;
- uint64_t status;
- uint64_t nasid;
- int i, widget;
+ u64 status;
+ u64 nasid;
+ int i, widget, device, size;
- for (i = 0; i < numionodes; i++) {
+ /*
+ * Get SGI Specific HUB chipset information.
+ * Inform Prom that this kernel can support domain bus numbering.
+ */
+ for (i = 0; i < num_cnodes; i++) {
hubdev = (struct hubdev_info *)(NODEPDA(i)->pdinfo);
nasid = cnodeid_to_nasid(i);
- status = sal_get_hubdev_info(nasid, (uint64_t) __pa(hubdev));
+ hubdev->max_segment_number = 0xffffffff;
+ hubdev->max_pcibus_number = 0xff;
+ status = sal_get_hubdev_info(nasid, (u64) __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);
if (!hubdev->hdi_flush_nasid_list.widget_p)
continue;
+ size = (HUB_WIDGET_ID_MAX + 1) *
+ sizeof(struct sn_flush_device_kernel *);
hubdev->hdi_flush_nasid_list.widget_p =
- kmalloc((HUB_WIDGET_ID_MAX + 1) *
- sizeof(struct sn_flush_device_list *), GFP_KERNEL);
-
- memset(hubdev->hdi_flush_nasid_list.widget_p, 0x0,
- (HUB_WIDGET_ID_MAX + 1) *
- sizeof(struct sn_flush_device_list *));
+ kzalloc(size, GFP_KERNEL);
+ if (!hubdev->hdi_flush_nasid_list.widget_p)
+ BUG();
for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) {
- sn_flush_device_list = kmalloc(DEV_PER_WIDGET *
- sizeof(struct
- sn_flush_device_list),
- GFP_KERNEL);
- memset(sn_flush_device_list, 0x0,
- DEV_PER_WIDGET *
- sizeof(struct sn_flush_device_list));
-
- status =
- sal_get_widget_dmaflush_list(nasid, widget,
- (uint64_t)
- __pa
- (sn_flush_device_list));
- if (status) {
- kfree(sn_flush_device_list);
- continue;
+ size = DEV_PER_WIDGET *
+ sizeof(struct sn_flush_device_kernel);
+ sn_flush_device_kernel = kzalloc(size, GFP_KERNEL);
+ if (!sn_flush_device_kernel)
+ BUG();
+
+ dev_entry = sn_flush_device_kernel;
+ for (device = 0; device < DEV_PER_WIDGET;
+ device++,dev_entry++) {
+ size = sizeof(struct sn_flush_device_common);
+ dev_entry->common = kzalloc(size, GFP_KERNEL);
+ if (!dev_entry->common)
+ BUG();
+
+ if (sn_prom_feature_available(
+ PRF_DEVICE_FLUSH_LIST))
+ status = sal_get_device_dmaflush_list(
+ nasid, widget, device,
+ (u64)(dev_entry->common));
+ else
+ status = sn_device_fixup_war(nasid,
+ widget, device,
+ dev_entry->common);
+ if (status != SALRET_OK)
+ panic("SAL call failed: %s\n",
+ ia64_sal_strerror(status));
+
+ spin_lock_init(&dev_entry->sfdl_flush_lock);
}
- hubdev->hdi_flush_nasid_list.widget_p[widget] =
- sn_flush_device_list;
- }
+ if (sn_flush_device_kernel)
+ hubdev->hdi_flush_nasid_list.widget_p[widget] =
+ sn_flush_device_kernel;
+ }
+ }
+}
+
+/*
+ * sn_pci_window_fixup() - Create a pci_window for each device resource.
+ * Until ACPI support is added, we need this code
+ * to setup pci_windows for use by
+ * pcibios_bus_to_resource(),
+ * pcibios_resource_to_bus(), etc.
+ */
+static void
+sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
+ s64 * pci_addrs)
+{
+ struct pci_controller *controller = PCI_CONTROLLER(dev->bus);
+ unsigned int i;
+ unsigned int idx;
+ unsigned int new_count;
+ struct pci_window *new_window;
+
+ if (count == 0)
+ return;
+ idx = controller->windows;
+ new_count = controller->windows + count;
+ new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL);
+ if (new_window == NULL)
+ BUG();
+ if (controller->window) {
+ memcpy(new_window, controller->window,
+ sizeof(struct pci_window) * controller->windows);
+ kfree(controller->window);
+ }
+
+ /* Setup a pci_window for each device resource. */
+ for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+ if (pci_addrs[i] == -1)
+ continue;
+ new_window[idx].offset = dev->resource[i].start - pci_addrs[i];
+ new_window[idx].resource = dev->resource[i];
+ idx++;
}
+ controller->windows = new_count;
+ controller->window = new_window;
+}
+
+void sn_pci_unfixup_slot(struct pci_dev *dev)
+{
+ struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev;
+
+ sn_irq_unfixup(dev);
+ pci_dev_put(host_pci_dev);
+ pci_dev_put(dev);
}
/*
* from our PCI provider include PIO maps to BAR space and interrupt
* objects.
*/
-static void sn_pci_fixup_slot(struct pci_dev *dev)
+void sn_pci_fixup_slot(struct pci_dev *dev)
{
+ unsigned int count = 0;
int idx;
- int segment = 0;
- uint64_t size;
- struct sn_irq_info *sn_irq_info;
- struct pci_dev *host_pci_dev;
+ int segment = pci_domain_nr(dev->bus);
int status = 0;
struct pcibus_bussoft *bs;
-
- dev->sysdata = kmalloc(sizeof(struct pcidev_info), GFP_KERNEL);
- if (SN_PCIDEV_INFO(dev) <= 0)
+ struct pci_bus *host_pci_bus;
+ struct pci_dev *host_pci_dev;
+ struct pcidev_info *pcidev_info;
+ s64 pci_addrs[PCI_ROM_RESOURCE + 1];
+ struct sn_irq_info *sn_irq_info;
+ unsigned long size;
+ unsigned int bus_no, devfn;
+
+ pci_dev_get(dev); /* for the sysdata pointer */
+ pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
+ if (!pcidev_info)
BUG(); /* Cannot afford to run out of memory */
- memset(SN_PCIDEV_INFO(dev), 0, sizeof(struct pcidev_info));
- sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
- if (sn_irq_info <= 0)
+ sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
+ if (!sn_irq_info)
BUG(); /* Cannot afford to run out of memory */
- memset(sn_irq_info, 0, sizeof(struct sn_irq_info));
/* Call to retrieve pci device information needed by kernel. */
status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number,
dev->devfn,
- (u64) __pa(SN_PCIDEV_INFO(dev)),
+ (u64) __pa(pcidev_info),
(u64) __pa(sn_irq_info));
if (status)
- BUG(); /* Cannot get platform pci device information information */
+ BUG(); /* Cannot get platform pci device information */
+
+ /* Add pcidev_info to list in sn_pci_controller struct */
+ list_add_tail(&pcidev_info->pdi_list,
+ &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info));
/* Copy over PIO Mapped Addresses */
for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
unsigned long start, end, addr;
- if (!SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx])
+ if (!pcidev_info->pdi_pio_mapped_addr[idx]) {
+ pci_addrs[idx] = -1;
continue;
+ }
start = dev->resource[idx].start;
end = dev->resource[idx].end;
size = end - start;
- addr = SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx];
+ if (size == 0) {
+ pci_addrs[idx] = -1;
+ continue;
+ }
+ pci_addrs[idx] = start;
+ count++;
+ addr = pcidev_info->pdi_pio_mapped_addr[idx];
addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET;
dev->resource[idx].start = addr;
dev->resource[idx].end = addr + size;
else
dev->resource[idx].parent = &iomem_resource;
}
+ /* Create a pci_window in the pci_controller struct for
+ * each device resource.
+ */
+ if (count > 0)
+ sn_pci_window_fixup(dev, count, pci_addrs);
- /* set up host bus linkages */
+ /*
+ * Using the PROMs values for the PCI host bus, get the Linux
+ * PCI host_pci_dev struct and set up host bus linkages
+ */
+
+ bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
+ devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff;
+ host_pci_bus = pci_find_bus(segment, bus_no);
+ host_pci_dev = pci_get_slot(host_pci_bus, devfn);
+
+ pcidev_info->host_pci_dev = host_pci_dev;
+ pcidev_info->pdi_linux_pcidev = dev;
+ pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev);
bs = SN_PCIBUS_BUSSOFT(dev->bus);
- host_pci_dev =
- pci_find_slot(SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32,
- SN_PCIDEV_INFO(dev)->
- pdi_slot_host_handle & 0xffffffff);
- SN_PCIDEV_INFO(dev)->pdi_host_pcidev_info =
- SN_PCIDEV_INFO(host_pci_dev);
- SN_PCIDEV_INFO(dev)->pdi_linux_pcidev = dev;
- SN_PCIDEV_INFO(dev)->pdi_pcibus_info = bs;
+ pcidev_info->pdi_pcibus_info = bs;
if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) {
SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type];
/* Only set up IRQ stuff if this device has a host bus context */
if (bs && sn_irq_info->irq_irq) {
- SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = sn_irq_info;
- dev->irq = SN_PCIDEV_INFO(dev)->pdi_sn_irq_info->irq_irq;
+ pcidev_info->pdi_sn_irq_info = sn_irq_info;
+ dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq;
sn_irq_fixup(dev, sn_irq_info);
+ } else {
+ pcidev_info->pdi_sn_irq_info = NULL;
+ kfree(sn_irq_info);
}
+
+ /*
+ * MSI currently not supported on altix. Remove this when
+ * the MSI abstraction patches are integrated into the kernel
+ * (sometime after 2.6.16 releases)
+ */
+ dev->no_msi = 1;
}
/*
* sn_pci_controller_fixup() - This routine sets up a bus's resources
* consistent with the Linux PCI abstraction layer.
*/
-static void sn_pci_controller_fixup(int segment, int busnum)
+void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
{
- int status = 0;
+ int status;
int nasid, cnode;
- struct pci_bus *bus;
struct pci_controller *controller;
+ struct sn_pci_controller *sn_controller;
struct pcibus_bussoft *prom_bussoft_ptr;
struct hubdev_info *hubdev_info;
void *provider_soft;
struct sn_pcibus_provider *provider;
- status =
- sal_get_pcibus_info((u64) segment, (u64) busnum,
- (u64) ia64_tpa(&prom_bussoft_ptr));
- if (status > 0) {
- return; /* bus # does not exist */
- }
-
+ status = sal_get_pcibus_info((u64) segment, (u64) busnum,
+ (u64) ia64_tpa(&prom_bussoft_ptr));
+ if (status > 0)
+ return; /*bus # does not exist */
prom_bussoft_ptr = __va(prom_bussoft_ptr);
- controller = sn_alloc_pci_sysdata();
- /* controller non-zero is BUG'd in sn_alloc_pci_sysdata */
- bus = pci_scan_bus(busnum, &pci_root_ops, controller);
+ /* Allocate a sn_pci_controller, which has a pci_controller struct
+ * as the first member.
+ */
+ sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL);
+ if (!sn_controller)
+ BUG();
+ INIT_LIST_HEAD(&sn_controller->pcidev_info);
+ controller = &sn_controller->pci_controller;
+ controller->segment = segment;
+
if (bus == NULL) {
- return; /* error, or bus already scanned */
+ bus = pci_scan_bus(busnum, &pci_root_ops, controller);
+ if (bus == NULL)
+ goto error_return; /* error, or bus already scanned */
+ bus->sysdata = NULL;
}
+ if (bus->sysdata)
+ goto error_return; /* sysdata already alloc'd */
+
/*
* Per-provider fixup. Copies the contents from prom to local
* area and links SN_PCIBUS_BUSSOFT().
*/
- if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES) {
- return; /* unsupported asic type */
- }
+ if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES)
+ goto error_return; /* unsupported asic type */
+
+ if (prom_bussoft_ptr->bs_asic_type == PCIIO_ASIC_TYPE_PPB)
+ goto error_return; /* no further fixup necessary */
provider = sn_pci_provider[prom_bussoft_ptr->bs_asic_type];
- if (provider == NULL) {
- return; /* no provider registerd for this asic */
- }
+ if (provider == NULL)
+ goto error_return; /* no provider registerd for this asic */
- provider_soft = NULL;
- if (provider->bus_fixup) {
- provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr);
- }
+ bus->sysdata = controller;
+ if (provider->bus_fixup)
+ provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller);
+ else
+ provider_soft = NULL;
if (provider_soft == NULL) {
- return; /* fixup failed or not applicable */
+ /* fixup failed or not applicable */
+ bus->sysdata = NULL;
+ goto error_return;
}
+ /*
+ * Setup pci_windows for legacy IO and MEM space.
+ * (Temporary until ACPI support is in place.)
+ */
+ controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL);
+ if (controller->window == NULL)
+ BUG();
+ controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io;
+ controller->window[0].resource.name = "legacy_io";
+ controller->window[0].resource.flags = IORESOURCE_IO;
+ controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io;
+ controller->window[0].resource.end =
+ controller->window[0].resource.start + 0xffff;
+ controller->window[0].resource.parent = &ioport_resource;
+ controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem;
+ controller->window[1].resource.name = "legacy_mem";
+ controller->window[1].resource.flags = IORESOURCE_MEM;
+ controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem;
+ controller->window[1].resource.end =
+ controller->window[1].resource.start + (1024 * 1024) - 1;
+ controller->window[1].resource.parent = &iomem_resource;
+ controller->windows = 2;
+
/*
* Generic bus fixup goes here. Don't reference prom_bussoft_ptr
* after this point.
*/
- bus->sysdata = controller;
PCI_CONTROLLER(bus)->platform_data = provider_soft;
-
nasid = NASID_GET(SN_PCIBUS_BUSSOFT(bus)->bs_base);
cnode = nasid_to_cnodeid(nasid);
hubdev_info = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo);
SN_PCIBUS_BUSSOFT(bus)->bs_xwidget_info =
&(hubdev_info->hdi_xwidget_info[SN_PCIBUS_BUSSOFT(bus)->bs_xid]);
+
+ /*
+ * If the node information we obtained during the fixup phase is invalid
+ * then set controller->node to -1 (undetermined)
+ */
+ if (controller->node >= num_online_nodes()) {
+ struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
+
+ 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);
+ printk(KERN_WARNING "on node %d but only %d nodes online."
+ "Association set to undetermined.\n",
+ controller->node, num_online_nodes());
+ controller->node = -1;
+ }
+ return;
+
+error_return:
+
+ kfree(sn_controller);
+ return;
+}
+
+void sn_bus_store_sysdata(struct pci_dev *dev)
+{
+ struct sysdata_el *element;
+
+ element = kzalloc(sizeof(struct sysdata_el), GFP_KERNEL);
+ if (!element) {
+ dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__);
+ return;
+ }
+ element->sysdata = SN_PCIDEV_INFO(dev);
+ list_add(&element->entry, &sn_sysdata_list);
+}
+
+void sn_bus_free_sysdata(void)
+{
+ struct sysdata_el *element;
+ struct list_head *list, *safe;
+
+ list_for_each_safe(list, safe, &sn_sysdata_list) {
+ element = list_entry(list, struct sysdata_el, entry);
+ list_del(&element->entry);
+ list_del(&(((struct pcidev_info *)
+ (element->sysdata))->pdi_list));
+ kfree(element->sysdata);
+ kfree(element);
+ }
+ return;
}
/*
static int __init sn_pci_init(void)
{
- int i = 0;
+ int i, j;
struct pci_dev *pci_dev = NULL;
- extern void sn_init_cpei_timer(void);
-#ifdef CONFIG_PROC_FS
- extern void register_sn_procfs(void);
-#endif
- if (!ia64_platform_is("sn2") || IS_RUNNING_ON_SIMULATOR())
+ if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
return 0;
/*
pcibr_init_provider();
tioca_init_provider();
+ tioce_init_provider();
/*
* This is needed to avoid bounce limit checks in the blk layer
*/
ia64_max_iommu_merge_mask = ~PAGE_MASK;
sn_fixup_ionodes();
- sn_irq = kmalloc(sizeof(struct sn_irq_info *) * NR_IRQS, GFP_KERNEL);
- if (sn_irq <= 0)
- BUG(); /* Canno afford to run out of memory. */
- memset(sn_irq, 0, sizeof(struct sn_irq_info *) * NR_IRQS);
-
+ sn_irq_lh_init();
+ INIT_LIST_HEAD(&sn_sysdata_list);
sn_init_cpei_timer();
#ifdef CONFIG_PROC_FS
register_sn_procfs();
#endif
- for (i = 0; i < PCI_BUSES_TO_SCAN; i++) {
- sn_pci_controller_fixup(0, i);
- }
+ /* busses are not known yet ... */
+ 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
*/
while ((pci_dev =
- pci_find_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) {
+ pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL)
sn_pci_fixup_slot(pci_dev);
- }
sn_ioif_inited = 1; /* sn I/O infrastructure now initialized */
*/
void hubdev_init_node(nodepda_t * npda, cnodeid_t node)
{
-
struct hubdev_info *hubdev_info;
+ int size;
+ pg_data_t *pg;
+
+ size = sizeof(struct hubdev_info);
if (node >= num_online_nodes()) /* Headless/memless IO nodes */
- hubdev_info =
- (struct hubdev_info *)alloc_bootmem_node(NODE_DATA(0),
- sizeof(struct
- hubdev_info));
+ pg = NODE_DATA(0);
else
- hubdev_info =
- (struct hubdev_info *)alloc_bootmem_node(NODE_DATA(node),
- sizeof(struct
- hubdev_info));
- npda->pdinfo = (void *)hubdev_info;
+ pg = NODE_DATA(node);
+ hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size);
+
+ npda->pdinfo = (void *)hubdev_info;
}
geoid_t
cnodeid_get_geoid(cnodeid_t cnode)
{
-
struct hubdev_info *hubdev;
hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo);
return hubdev->hdi_geoid;
+}
+void sn_generate_path(struct pci_bus *pci_bus, char *address)
+{
+ nasid_t nasid;
+ cnodeid_t cnode;
+ geoid_t geoid;
+ moduleid_t moduleid;
+ u16 bricktype;
+
+ nasid = NASID_GET(SN_PCIBUS_BUSSOFT(pci_bus)->bs_base);
+ cnode = nasid_to_cnodeid(nasid);
+ geoid = cnodeid_get_geoid(cnode);
+ moduleid = geo_module(geoid);
+
+ sprintf(address, "module_%c%c%c%c%.2d",
+ '0'+RACK_GET_CLASS(MODULE_GET_RACK(moduleid)),
+ '0'+RACK_GET_GROUP(MODULE_GET_RACK(moduleid)),
+ '0'+RACK_GET_NUM(MODULE_GET_RACK(moduleid)),
+ MODULE_GET_BTCHAR(moduleid), MODULE_GET_BPOS(moduleid));
+
+ /* Tollhouse requires slot id to be displayed */
+ bricktype = MODULE_GET_BTYPE(moduleid);
+ if ((bricktype == L1_BRICKTYPE_191010) ||
+ (bricktype == L1_BRICKTYPE_1932))
+ sprintf(address, "%s^%d", address, geo_slot(geoid));
}
subsys_initcall(sn_pci_init);
+EXPORT_SYMBOL(sn_pci_fixup_slot);
+EXPORT_SYMBOL(sn_pci_unfixup_slot);
+EXPORT_SYMBOL(sn_pci_controller_fixup);
+EXPORT_SYMBOL(sn_bus_store_sysdata);
+EXPORT_SYMBOL(sn_bus_free_sysdata);
+EXPORT_SYMBOL(sn_generate_path);
git://git.onelab.eu / linux-2.6.git / blobdiff