34ef30ca4a
Lots of places where we passed a "struct pci_device *" rather than a "struct device *". One place where we used a "%s" in the format, but forgot to provide an argument. Acked-by: John Keller <jpk@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
576 lines
15 KiB
C
576 lines
15 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved.
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*/
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#include <linux/bootmem.h>
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#include <asm/sn/types.h>
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#include <asm/sn/addrs.h>
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#include <asm/sn/sn_feature_sets.h>
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#include <asm/sn/geo.h>
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#include <asm/sn/io.h>
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#include <asm/sn/l1.h>
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#include <asm/sn/module.h>
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#include <asm/sn/pcibr_provider.h>
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#include <asm/sn/pcibus_provider_defs.h>
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#include <asm/sn/pcidev.h>
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#include <asm/sn/simulator.h>
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#include <asm/sn/sn_sal.h>
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#include <asm/sn/tioca_provider.h>
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#include <asm/sn/tioce_provider.h>
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#include "xtalk/hubdev.h"
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#include "xtalk/xwidgetdev.h"
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#include <linux/acpi.h>
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#include <asm/sn/sn2/sn_hwperf.h>
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#include <asm/sn/acpi.h>
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#include "acpi/acglobal.h"
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extern void sn_init_cpei_timer(void);
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extern void register_sn_procfs(void);
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extern void sn_io_acpi_init(void);
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extern void sn_io_init(void);
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static struct list_head sn_sysdata_list;
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/* sysdata list struct */
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struct sysdata_el {
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struct list_head entry;
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void *sysdata;
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};
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int sn_ioif_inited; /* SN I/O infrastructure initialized? */
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int sn_acpi_rev; /* SN ACPI revision */
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EXPORT_SYMBOL_GPL(sn_acpi_rev);
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struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */
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/*
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* Hooks and struct for unsupported pci providers
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*/
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static dma_addr_t
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sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size, int type)
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{
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return 0;
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}
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static void
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sn_default_pci_unmap(struct pci_dev *pdev, dma_addr_t addr, int direction)
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{
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return;
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}
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static void *
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sn_default_pci_bus_fixup(struct pcibus_bussoft *soft, struct pci_controller *controller)
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{
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return NULL;
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}
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static struct sn_pcibus_provider sn_pci_default_provider = {
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.dma_map = sn_default_pci_map,
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.dma_map_consistent = sn_default_pci_map,
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.dma_unmap = sn_default_pci_unmap,
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.bus_fixup = sn_default_pci_bus_fixup,
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};
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/*
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* Retrieve the DMA Flush List given nasid, widget, and device.
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* This list is needed to implement the WAR - Flush DMA data on PIO Reads.
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*/
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static inline u64
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sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num,
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u64 address)
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{
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struct ia64_sal_retval ret_stuff;
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ret_stuff.status = 0;
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ret_stuff.v0 = 0;
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SAL_CALL_NOLOCK(ret_stuff,
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(u64) SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST,
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(u64) nasid, (u64) widget_num,
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(u64) device_num, (u64) address, 0, 0, 0);
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return ret_stuff.status;
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}
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/*
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* sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified
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* device.
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*/
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inline struct pcidev_info *
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sn_pcidev_info_get(struct pci_dev *dev)
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{
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struct pcidev_info *pcidev;
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list_for_each_entry(pcidev,
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&(SN_PLATFORM_DATA(dev)->pcidev_info), pdi_list) {
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if (pcidev->pdi_linux_pcidev == dev)
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return pcidev;
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}
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return NULL;
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}
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/* Older PROM flush WAR
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*
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* 01/16/06 -- This war will be in place until a new official PROM is released.
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* Additionally note that the struct sn_flush_device_war also has to be
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* removed from arch/ia64/sn/include/xtalk/hubdev.h
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*/
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static u8 war_implemented = 0;
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static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
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struct sn_flush_device_common *common)
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{
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struct sn_flush_device_war *war_list;
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struct sn_flush_device_war *dev_entry;
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struct ia64_sal_retval isrv = {0,0,0,0};
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if (!war_implemented) {
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printk(KERN_WARNING "PROM version < 4.50 -- implementing old "
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"PROM flush WAR\n");
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war_implemented = 1;
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}
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war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL);
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if (!war_list)
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BUG();
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SAL_CALL_NOLOCK(isrv, SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST,
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nasid, widget, __pa(war_list), 0, 0, 0 ,0);
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if (isrv.status)
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panic("sn_device_fixup_war failed: %s\n",
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ia64_sal_strerror(isrv.status));
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dev_entry = war_list + device;
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memcpy(common,dev_entry, sizeof(*common));
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kfree(war_list);
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return isrv.status;
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}
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/*
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* sn_common_hubdev_init() - This routine is called to initialize the HUB data
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* structure for each node in the system.
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*/
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void __init
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sn_common_hubdev_init(struct hubdev_info *hubdev)
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{
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struct sn_flush_device_kernel *sn_flush_device_kernel;
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struct sn_flush_device_kernel *dev_entry;
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s64 status;
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int widget, device, size;
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/* Attach the error interrupt handlers */
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if (hubdev->hdi_nasid & 1) /* If TIO */
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ice_error_init(hubdev);
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else
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hub_error_init(hubdev);
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for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++)
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hubdev->hdi_xwidget_info[widget].xwi_hubinfo = hubdev;
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if (!hubdev->hdi_flush_nasid_list.widget_p)
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return;
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size = (HUB_WIDGET_ID_MAX + 1) *
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sizeof(struct sn_flush_device_kernel *);
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hubdev->hdi_flush_nasid_list.widget_p =
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kzalloc(size, GFP_KERNEL);
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if (!hubdev->hdi_flush_nasid_list.widget_p)
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BUG();
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for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) {
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size = DEV_PER_WIDGET *
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sizeof(struct sn_flush_device_kernel);
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sn_flush_device_kernel = kzalloc(size, GFP_KERNEL);
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if (!sn_flush_device_kernel)
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BUG();
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dev_entry = sn_flush_device_kernel;
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for (device = 0; device < DEV_PER_WIDGET;
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device++, dev_entry++) {
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size = sizeof(struct sn_flush_device_common);
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dev_entry->common = kzalloc(size, GFP_KERNEL);
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if (!dev_entry->common)
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BUG();
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if (sn_prom_feature_available(PRF_DEVICE_FLUSH_LIST))
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status = sal_get_device_dmaflush_list(
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hubdev->hdi_nasid, widget, device,
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(u64)(dev_entry->common));
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else
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status = sn_device_fixup_war(hubdev->hdi_nasid,
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widget, device,
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dev_entry->common);
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if (status != SALRET_OK)
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panic("SAL call failed: %s\n",
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ia64_sal_strerror(status));
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spin_lock_init(&dev_entry->sfdl_flush_lock);
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}
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if (sn_flush_device_kernel)
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hubdev->hdi_flush_nasid_list.widget_p[widget] =
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sn_flush_device_kernel;
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}
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}
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void sn_pci_unfixup_slot(struct pci_dev *dev)
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{
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struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev;
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sn_irq_unfixup(dev);
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pci_dev_put(host_pci_dev);
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pci_dev_put(dev);
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}
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/*
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* sn_pci_fixup_slot()
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*/
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void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info,
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struct sn_irq_info *sn_irq_info)
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{
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int segment = pci_domain_nr(dev->bus);
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struct pcibus_bussoft *bs;
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struct pci_bus *host_pci_bus;
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struct pci_dev *host_pci_dev;
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unsigned int bus_no, devfn;
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pci_dev_get(dev); /* for the sysdata pointer */
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/* Add pcidev_info to list in pci_controller.platform_data */
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list_add_tail(&pcidev_info->pdi_list,
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&(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
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/*
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* Using the PROMs values for the PCI host bus, get the Linux
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* PCI host_pci_dev struct and set up host bus linkages
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*/
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bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
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devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff;
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host_pci_bus = pci_find_bus(segment, bus_no);
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host_pci_dev = pci_get_slot(host_pci_bus, devfn);
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pcidev_info->host_pci_dev = host_pci_dev;
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pcidev_info->pdi_linux_pcidev = dev;
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pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev);
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bs = SN_PCIBUS_BUSSOFT(dev->bus);
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pcidev_info->pdi_pcibus_info = bs;
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if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) {
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SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type];
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} else {
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SN_PCIDEV_BUSPROVIDER(dev) = &sn_pci_default_provider;
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}
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/* Only set up IRQ stuff if this device has a host bus context */
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if (bs && sn_irq_info->irq_irq) {
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pcidev_info->pdi_sn_irq_info = sn_irq_info;
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dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq;
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sn_irq_fixup(dev, sn_irq_info);
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} else {
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pcidev_info->pdi_sn_irq_info = NULL;
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kfree(sn_irq_info);
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}
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}
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/*
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* sn_common_bus_fixup - Perform platform specific bus fixup.
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* Execute the ASIC specific fixup routine
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* for this bus.
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*/
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void
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sn_common_bus_fixup(struct pci_bus *bus,
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struct pcibus_bussoft *prom_bussoft_ptr)
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{
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int cnode;
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struct pci_controller *controller;
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struct hubdev_info *hubdev_info;
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int nasid;
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void *provider_soft;
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struct sn_pcibus_provider *provider;
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struct sn_platform_data *sn_platform_data;
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controller = PCI_CONTROLLER(bus);
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/*
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* Per-provider fixup. Copies the bus soft structure from prom
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* to local area and links SN_PCIBUS_BUSSOFT().
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*/
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if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES) {
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printk(KERN_WARNING "sn_common_bus_fixup: Unsupported asic type, %d",
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prom_bussoft_ptr->bs_asic_type);
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return;
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}
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if (prom_bussoft_ptr->bs_asic_type == PCIIO_ASIC_TYPE_PPB)
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return; /* no further fixup necessary */
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provider = sn_pci_provider[prom_bussoft_ptr->bs_asic_type];
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if (provider == NULL)
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panic("sn_common_bus_fixup: No provider registered for this asic type, %d",
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prom_bussoft_ptr->bs_asic_type);
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if (provider->bus_fixup)
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provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr,
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controller);
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else
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provider_soft = NULL;
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/*
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* Generic bus fixup goes here. Don't reference prom_bussoft_ptr
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* after this point.
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*/
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controller->platform_data = kzalloc(sizeof(struct sn_platform_data),
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GFP_KERNEL);
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if (controller->platform_data == NULL)
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BUG();
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sn_platform_data =
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(struct sn_platform_data *) controller->platform_data;
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sn_platform_data->provider_soft = provider_soft;
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INIT_LIST_HEAD(&((struct sn_platform_data *)
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controller->platform_data)->pcidev_info);
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nasid = NASID_GET(SN_PCIBUS_BUSSOFT(bus)->bs_base);
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cnode = nasid_to_cnodeid(nasid);
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hubdev_info = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo);
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SN_PCIBUS_BUSSOFT(bus)->bs_xwidget_info =
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&(hubdev_info->hdi_xwidget_info[SN_PCIBUS_BUSSOFT(bus)->bs_xid]);
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/*
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* If the node information we obtained during the fixup phase is
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* invalid then set controller->node to -1 (undetermined)
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*/
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if (controller->node >= num_online_nodes()) {
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struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
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printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u"
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"L_IO=%lx L_MEM=%lx BASE=%lx\n",
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b->bs_asic_type, b->bs_xid, b->bs_persist_busnum,
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b->bs_legacy_io, b->bs_legacy_mem, b->bs_base);
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printk(KERN_WARNING "on node %d but only %d nodes online."
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"Association set to undetermined.\n",
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controller->node, num_online_nodes());
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controller->node = -1;
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}
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}
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void sn_bus_store_sysdata(struct pci_dev *dev)
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{
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struct sysdata_el *element;
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element = kzalloc(sizeof(struct sysdata_el), GFP_KERNEL);
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if (!element) {
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dev_dbg(&dev->dev, "%s: out of memory!\n", __FUNCTION__);
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return;
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}
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element->sysdata = SN_PCIDEV_INFO(dev);
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list_add(&element->entry, &sn_sysdata_list);
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}
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void sn_bus_free_sysdata(void)
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{
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struct sysdata_el *element;
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struct list_head *list, *safe;
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list_for_each_safe(list, safe, &sn_sysdata_list) {
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element = list_entry(list, struct sysdata_el, entry);
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list_del(&element->entry);
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list_del(&(((struct pcidev_info *)
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(element->sysdata))->pdi_list));
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kfree(element->sysdata);
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kfree(element);
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}
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return;
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}
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/*
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* hubdev_init_node() - Creates the HUB data structure and link them to it's
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* own NODE specific data area.
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*/
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void hubdev_init_node(nodepda_t * npda, cnodeid_t node)
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{
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struct hubdev_info *hubdev_info;
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int size;
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pg_data_t *pg;
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size = sizeof(struct hubdev_info);
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if (node >= num_online_nodes()) /* Headless/memless IO nodes */
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pg = NODE_DATA(0);
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else
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pg = NODE_DATA(node);
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hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size);
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npda->pdinfo = (void *)hubdev_info;
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}
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geoid_t
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cnodeid_get_geoid(cnodeid_t cnode)
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{
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struct hubdev_info *hubdev;
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hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo);
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return hubdev->hdi_geoid;
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}
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void sn_generate_path(struct pci_bus *pci_bus, char *address)
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{
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nasid_t nasid;
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cnodeid_t cnode;
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geoid_t geoid;
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moduleid_t moduleid;
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u16 bricktype;
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nasid = NASID_GET(SN_PCIBUS_BUSSOFT(pci_bus)->bs_base);
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cnode = nasid_to_cnodeid(nasid);
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geoid = cnodeid_get_geoid(cnode);
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moduleid = geo_module(geoid);
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sprintf(address, "module_%c%c%c%c%.2d",
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'0'+RACK_GET_CLASS(MODULE_GET_RACK(moduleid)),
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'0'+RACK_GET_GROUP(MODULE_GET_RACK(moduleid)),
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'0'+RACK_GET_NUM(MODULE_GET_RACK(moduleid)),
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MODULE_GET_BTCHAR(moduleid), MODULE_GET_BPOS(moduleid));
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/* Tollhouse requires slot id to be displayed */
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bricktype = MODULE_GET_BTYPE(moduleid);
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if ((bricktype == L1_BRICKTYPE_191010) ||
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(bricktype == L1_BRICKTYPE_1932))
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sprintf(address, "%s^%d", address, geo_slot(geoid));
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}
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void __devinit
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sn_pci_fixup_bus(struct pci_bus *bus)
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{
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if (SN_ACPI_BASE_SUPPORT())
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sn_acpi_bus_fixup(bus);
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else
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sn_bus_fixup(bus);
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}
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/*
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* sn_io_early_init - Perform early IO (and some non-IO) initialization.
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* In particular, setup the sn_pci_provider[] array.
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* This needs to be done prior to any bus scanning
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* (acpi_scan_init()) in the ACPI case, as the SN
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* bus fixup code will reference the array.
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*/
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static int __init
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sn_io_early_init(void)
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{
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int i;
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if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
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return 0;
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/* we set the acpi revision to that of the DSDT table OEM rev. */
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{
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struct acpi_table_header *header = NULL;
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|
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acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
|
|
BUG_ON(header == NULL);
|
|
sn_acpi_rev = header->oem_revision;
|
|
}
|
|
|
|
/*
|
|
* prime sn_pci_provider[]. Individial provider init routines will
|
|
* override their respective default entries.
|
|
*/
|
|
|
|
for (i = 0; i < PCIIO_ASIC_MAX_TYPES; i++)
|
|
sn_pci_provider[i] = &sn_pci_default_provider;
|
|
|
|
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_irq_lh_init();
|
|
INIT_LIST_HEAD(&sn_sysdata_list);
|
|
sn_init_cpei_timer();
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
register_sn_procfs();
|
|
#endif
|
|
|
|
{
|
|
struct acpi_table_header *header;
|
|
(void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
|
|
printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n",
|
|
header->oem_revision);
|
|
}
|
|
if (SN_ACPI_BASE_SUPPORT())
|
|
sn_io_acpi_init();
|
|
else
|
|
sn_io_init();
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(sn_io_early_init);
|
|
|
|
/*
|
|
* sn_io_late_init() - Perform any final platform specific IO initialization.
|
|
*/
|
|
|
|
int __init
|
|
sn_io_late_init(void)
|
|
{
|
|
struct pci_bus *bus;
|
|
struct pcibus_bussoft *bussoft;
|
|
cnodeid_t cnode;
|
|
nasid_t nasid;
|
|
cnodeid_t near_cnode;
|
|
|
|
if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM())
|
|
return 0;
|
|
|
|
/*
|
|
* Setup closest node in pci_controller->node for
|
|
* PIC, TIOCP, TIOCE (TIOCA does it during bus fixup using
|
|
* info from the PROM).
|
|
*/
|
|
bus = NULL;
|
|
while ((bus = pci_find_next_bus(bus)) != NULL) {
|
|
bussoft = SN_PCIBUS_BUSSOFT(bus);
|
|
nasid = NASID_GET(bussoft->bs_base);
|
|
cnode = nasid_to_cnodeid(nasid);
|
|
if ((bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) ||
|
|
(bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE)) {
|
|
/* 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);
|
|
}
|
|
PCI_CONTROLLER(bus)->node = near_cnode;
|
|
} else if (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC) {
|
|
PCI_CONTROLLER(bus)->node = cnode;
|
|
}
|
|
}
|
|
|
|
sn_ioif_inited = 1; /* SN I/O infrastructure now initialized */
|
|
|
|
return 0;
|
|
}
|
|
|
|
fs_initcall(sn_io_late_init);
|
|
|
|
EXPORT_SYMBOL(sn_pci_unfixup_slot);
|
|
EXPORT_SYMBOL(sn_bus_store_sysdata);
|
|
EXPORT_SYMBOL(sn_bus_free_sysdata);
|
|
EXPORT_SYMBOL(sn_generate_path);
|
|
|