include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[safe/jmp/linux-2.6] / arch / ia64 / sn / kernel / io_acpi_init.c
index 8c331ca..8cdcb17 100644 (file)
@@ -13,7 +13,7 @@
 #include <asm/sn/sn_sal.h>
 #include "xtalk/hubdev.h"
 #include <linux/acpi.h>
-#include <acpi/acnamesp.h>
+#include <linux/slab.h>
 
 
 /*
@@ -41,7 +41,7 @@ struct sn_pcidev_match {
 /*
  * Perform the early IO init in PROM.
  */
-static s64
+static long
 sal_ioif_init(u64 *result)
 {
        struct ia64_sal_retval isrv = {0,0,0,0};
@@ -53,42 +53,50 @@ sal_ioif_init(u64 *result)
 }
 
 /*
- * sn_hubdev_add - The 'add' function of the acpi_sn_hubdev_driver.
- *                Called for every "SGIHUB" or "SGITIO" device defined
- *                in the ACPI namespace.
+ * sn_acpi_hubdev_init() - This function is called by acpi_ns_get_device_callback()
+ *                        for all SGIHUB and SGITIO acpi devices defined in the
+ *                        DSDT. It obtains the hubdev_info pointer from the
+ *                        ACPI vendor resource, which the PROM setup, and sets up the
+ *                        hubdev_info in the pda.
  */
-static int __init
-sn_hubdev_add(struct acpi_device *device)
+
+static acpi_status __init
+sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
 {
        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
        u64 addr;
        struct hubdev_info *hubdev;
        struct hubdev_info *hubdev_ptr;
        int i;
        u64 nasid;
        struct acpi_resource *resource;
-       int ret = 0;
        acpi_status status;
        struct acpi_resource_vendor_typed *vendor;
        extern void sn_common_hubdev_init(struct hubdev_info *);
 
-       status = acpi_get_vendor_resource(device->handle, METHOD_NAME__CRS,
+       status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
                                          &sn_uuid, &buffer);
        if (ACPI_FAILURE(status)) {
+               acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                printk(KERN_ERR
-                      "sn_hubdev_add: acpi_get_vendor_resource() failed: %d\n",
-                       status);
-               return 1;
+                      "sn_acpi_hubdev_init: acpi_get_vendor_resource() "
+                      "(0x%x) failed for: %s\n", status,
+                       (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
+               return AE_OK;           /* Continue walking namespace */
        }
 
        resource = buffer.pointer;
        vendor = &resource->data.vendor_typed;
        if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
            sizeof(struct hubdev_info *)) {
+               acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                printk(KERN_ERR
-                      "sn_hubdev_add: Invalid vendor data length: %d\n",
-                       vendor->byte_length);
-               ret = 1;
+                      "sn_acpi_hubdev_init: Invalid vendor data length: "
+                      "%d for: %s\n",
+                       vendor->byte_length, (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
                goto exit;
        }
 
@@ -103,7 +111,7 @@ sn_hubdev_add(struct acpi_device *device)
 
 exit:
        kfree(buffer.pointer);
-       return ret;
+       return AE_OK;           /* Continue walking namespace */
 }
 
 /*
@@ -115,6 +123,7 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
 {
        u64 addr;
        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
        acpi_handle handle;
        struct pcibus_bussoft *prom_bussoft_ptr;
        struct acpi_resource *resource;
@@ -126,11 +135,11 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
        status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
                                          &sn_uuid, &buffer);
        if (ACPI_FAILURE(status)) {
+               acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                printk(KERN_ERR "%s: "
-                      "acpi_get_vendor_resource() failed (0x%x) for: ",
-                      __FUNCTION__, status);
-               acpi_ns_print_node_pathname(handle, NULL);
-               printk("\n");
+                      "acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+                      __func__, status, (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
                return NULL;
        }
        resource = buffer.pointer;
@@ -140,7 +149,7 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
             sizeof(struct pcibus_bussoft *)) {
                printk(KERN_ERR
                       "%s: Invalid vendor data length %d\n",
-                       __FUNCTION__, vendor->byte_length);
+                       __func__, vendor->byte_length);
                kfree(buffer.pointer);
                return NULL;
        }
@@ -163,6 +172,7 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
 {
        u64 addr;
        struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
        struct sn_irq_info *irq_info, *irq_info_prom;
        struct pcidev_info *pcidev_ptr, *pcidev_prom_ptr;
        struct acpi_resource *resource;
@@ -177,11 +187,11 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
        status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
                                          &sn_uuid, &buffer);
        if (ACPI_FAILURE(status)) {
+               acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                printk(KERN_ERR
-                      "%s: acpi_get_vendor_resource() failed (0x%x) for: ",
-                       __FUNCTION__, status);
-               acpi_ns_print_node_pathname(handle, NULL);
-               printk("\n");
+                      "%s: acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+                       __func__, status, (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
                return 1;
        }
 
@@ -189,18 +199,19 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
        vendor = &resource->data.vendor_typed;
        if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
            sizeof(struct pci_devdev_info *)) {
+               acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                printk(KERN_ERR
-                      "%s: Invalid vendor data length: %d for: ",
-                       __FUNCTION__, vendor->byte_length);
-               acpi_ns_print_node_pathname(handle, NULL);
-               printk("\n");
+                      "%s: Invalid vendor data length: %d for: %s\n",
+                        __func__, vendor->byte_length,
+                       (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
                ret = 1;
                goto exit;
        }
 
        pcidev_ptr = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
        if (!pcidev_ptr)
-               panic("%s: Unable to alloc memory for pcidev_info", __FUNCTION__);
+               panic("%s: Unable to alloc memory for pcidev_info", __func__);
 
        memcpy(&addr, vendor->byte_data, sizeof(struct pcidev_info *));
        pcidev_prom_ptr = __va(addr);
@@ -209,7 +220,7 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
        /* Get the IRQ info */
        irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
        if (!irq_info)
-                panic("%s: Unable to alloc memory for sn_irq_info", __FUNCTION__);
+                panic("%s: Unable to alloc memory for sn_irq_info", __func__);
 
        if (pcidev_ptr->pdi_sn_irq_info) {
                irq_info_prom = __va(pcidev_ptr->pdi_sn_irq_info);
@@ -227,13 +238,16 @@ exit:
 static unsigned int
 get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
 {
-       unsigned long adr;
+       unsigned long long adr;
        acpi_handle child;
        unsigned int devfn;
        int function;
        acpi_handle parent;
        int slot;
        acpi_status status;
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+       acpi_get_name(device_handle, ACPI_FULL_PATHNAME, &name_buffer);
 
        /*
         * Do an upward search to find the root bus device, and
@@ -244,32 +258,29 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
                status = acpi_get_parent(child, &parent);
                if (ACPI_FAILURE(status)) {
                        printk(KERN_ERR "%s: acpi_get_parent() failed "
-                              "(0x%x) for: ", __FUNCTION__, status);
-                       acpi_ns_print_node_pathname(child, NULL);
-                       printk("\n");
-                       panic("%s: Unable to find host devfn\n", __FUNCTION__);
+                              "(0x%x) for: %s\n", __func__, status,
+                               (char *)name_buffer.pointer);
+                       panic("%s: Unable to find host devfn\n", __func__);
                }
                if (parent == rootbus_handle)
                        break;
                child = parent;
        }
        if (!child) {
-               printk(KERN_ERR "%s: Unable to find root bus for: ",
-                      __FUNCTION__);
-               acpi_ns_print_node_pathname(device_handle, NULL);
-               printk("\n");
+               printk(KERN_ERR "%s: Unable to find root bus for: %s\n",
+                      __func__, (char *)name_buffer.pointer);
                BUG();
        }
 
        status = acpi_evaluate_integer(child, METHOD_NAME__ADR, NULL, &adr);
        if (ACPI_FAILURE(status)) {
-               printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: ",
-                      __FUNCTION__, status);
-               acpi_ns_print_node_pathname(child, NULL);
-               printk("\n");
-               panic("%s: Unable to find host devfn\n", __FUNCTION__);
+               printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: %s\n",
+                      __func__, status, (char *)name_buffer.pointer);
+               panic("%s: Unable to find host devfn\n", __func__);
        }
 
+       kfree(name_buffer.pointer);
+
        slot = (adr >> 16) & 0xffff;
        function = adr & 0xffff;
        devfn = PCI_DEVFN(slot, function);
@@ -287,35 +298,36 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
 static acpi_status
 find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-       unsigned long bbn = -1;
-       unsigned long adr;
+       unsigned long long bbn = -1;
+       unsigned long long adr;
        acpi_handle parent = NULL;
        acpi_status status;
        unsigned int devfn;
        int function;
        int slot;
        struct sn_pcidev_match *info = context;
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
         status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
                                        &adr);
         if (ACPI_SUCCESS(status)) {
                status = acpi_get_parent(handle, &parent);
                if (ACPI_FAILURE(status)) {
+                       acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                        printk(KERN_ERR
-                              "%s: acpi_get_parent() failed (0x%x) for: ",
-                                       __FUNCTION__, status);
-                       acpi_ns_print_node_pathname(handle, NULL);
-                       printk("\n");
+                              "%s: acpi_get_parent() failed (0x%x) for: %s\n",
+                               __func__, status, (char *)name_buffer.pointer);
+                       kfree(name_buffer.pointer);
                        return AE_OK;
                }
                status = acpi_evaluate_integer(parent, METHOD_NAME__BBN,
                                               NULL, &bbn);
                if (ACPI_FAILURE(status)) {
+                       acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
                        printk(KERN_ERR
-                         "%s: Failed to find _BBN in parent of: ",
-                                       __FUNCTION__);
-                       acpi_ns_print_node_pathname(handle, NULL);
-                       printk("\n");
+                         "%s: Failed to find _BBN in parent of: %s\n",
+                                       __func__, (char *)name_buffer.pointer);
+                       kfree(name_buffer.pointer);
                        return AE_OK;
                }
 
@@ -343,26 +355,29 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
        unsigned int host_devfn;
        struct sn_pcidev_match pcidev_match;
        acpi_handle rootbus_handle;
-       unsigned long segment;
+       unsigned long long segment;
        acpi_status status;
+       struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
        rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
         status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL,
                                        &segment);
         if (ACPI_SUCCESS(status)) {
                if (segment != pci_domain_nr(dev)) {
+                       acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME,
+                               &name_buffer);
                        printk(KERN_ERR
-                              "%s: Segment number mismatch, 0x%lx vs 0x%x for: ",
-                              __FUNCTION__, segment, pci_domain_nr(dev));
-                       acpi_ns_print_node_pathname(rootbus_handle, NULL);
-                       printk("\n");
+                              "%s: Segment number mismatch, 0x%llx vs 0x%x for: %s\n",
+                              __func__, segment, pci_domain_nr(dev),
+                              (char *)name_buffer.pointer);
+                       kfree(name_buffer.pointer);
                        return 1;
                }
        } else {
-               printk(KERN_ERR "%s: Unable to get __SEG from: ",
-                      __FUNCTION__);
-               acpi_ns_print_node_pathname(rootbus_handle, NULL);
-               printk("\n");
+               acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME, &name_buffer);
+               printk(KERN_ERR "%s: Unable to get __SEG from: %s\n",
+                      __func__, (char *)name_buffer.pointer);
+               kfree(name_buffer.pointer);
                return 1;
        }
 
@@ -376,12 +391,12 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
        pcidev_match.handle = NULL;
 
        acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
-                           find_matching_device, &pcidev_match, NULL);
+                           find_matching_device, NULL, &pcidev_match, NULL);
 
        if (!pcidev_match.handle) {
                printk(KERN_ERR
                       "%s: Could not find matching ACPI device for %s.\n",
-                      __FUNCTION__, pci_name(dev));
+                      __func__, pci_name(dev));
                return 1;
        }
 
@@ -413,27 +428,26 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
        void __iomem *addr;
        struct pcidev_info *pcidev_info = NULL;
        struct sn_irq_info *sn_irq_info = NULL;
-       size_t size;
+       size_t image_size, size;
 
        if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) {
                panic("%s:  Failure obtaining pcidev_info for %s\n",
-                     __FUNCTION__, pci_name(dev));
+                     __func__, pci_name(dev));
        }
 
        if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) {
                /*
                 * A valid ROM image exists and has been shadowed by the
-                * PROM. Setup the pci_dev ROM resource to point to
-                * the shadowed copy.
+                * PROM. Setup the pci_dev ROM resource with the address
+                * of the shadowed copy, and the actual length of the ROM image.
                 */
-               size = dev->resource[PCI_ROM_RESOURCE].end -
-                               dev->resource[PCI_ROM_RESOURCE].start;
-               addr =
-                    ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
-                            size);
+               size = pci_resource_len(dev, PCI_ROM_RESOURCE);
+               addr = ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
+                              size);
+               image_size = pci_get_rom_size(dev, addr, size);
                dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr;
                dev->resource[PCI_ROM_RESOURCE].end =
-                                               (unsigned long) addr + size;
+                                       (unsigned long) addr + image_size - 1;
                dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY;
        }
        sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
@@ -441,14 +455,6 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
 
 EXPORT_SYMBOL(sn_acpi_slot_fixup);
 
-static struct acpi_driver acpi_sn_hubdev_driver = {
-       .name = "SGI HUBDEV Driver",
-       .ids = "SGIHUB,SGITIO",
-       .ops = {
-               .add = sn_hubdev_add,
-               },
-};
-
 
 /*
  * sn_acpi_bus_fixup -  Perform SN specific setup of software structs
@@ -467,7 +473,7 @@ sn_acpi_bus_fixup(struct pci_bus *bus)
                        printk(KERN_ERR
                               "%s: 0x%04x:0x%02x Unable to "
                               "obtain prom_bussoft_ptr\n",
-                              __FUNCTION__, pci_domain_nr(bus), bus->number);
+                              __func__, pci_domain_nr(bus), bus->number);
                        return;
                }
                sn_common_bus_fixup(bus, prom_bussoft_ptr);
@@ -487,12 +493,15 @@ void __init
 sn_io_acpi_init(void)
 {
        u64 result;
-       s64 status;
+       long status;
 
        /* SN Altix does not follow the IOSAPIC IRQ routing model */
        acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM;
 
-       acpi_bus_register_driver(&acpi_sn_hubdev_driver);
+       /* Setup hubdev_info for all SGIHUB/SGITIO devices */
+       acpi_get_devices("SGIHUB", sn_acpi_hubdev_init, NULL, NULL);
+       acpi_get_devices("SGITIO", sn_acpi_hubdev_init, NULL, NULL);
+
        status = sal_ioif_init(&result);
        if (status || result)
                panic("sal_ioif_init failed: [%lx] %s\n",