x86: Fix code patching for paravirt-alternatives on 486
[safe/jmp/linux-2.6] / arch / x86 / kernel / bios_uv.c
index 5481eb5..63a88e1 100644 (file)
@@ -23,8 +23,9 @@
 #include <asm/efi.h>
 #include <linux/io.h>
 #include <asm/uv/bios.h>
+#include <asm/uv/uv_hub.h>
 
-struct uv_systab uv_systab;
+static struct uv_systab uv_systab;
 
 s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5)
 {
@@ -65,14 +66,97 @@ s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
        return ret;
 }
 
-long
-x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second,
-                                       unsigned long *drift_info)
+
+long sn_partition_id;
+EXPORT_SYMBOL_GPL(sn_partition_id);
+long sn_coherency_id;
+EXPORT_SYMBOL_GPL(sn_coherency_id);
+long sn_region_size;
+EXPORT_SYMBOL_GPL(sn_region_size);
+int uv_type;
+
+
+s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
+               long *region)
+{
+       s64 ret;
+       u64 v0, v1;
+       union partition_info_u part;
+
+       ret = uv_bios_call_irqsave(UV_BIOS_GET_SN_INFO, fc,
+                               (u64)(&v0), (u64)(&v1), 0, 0);
+       if (ret != BIOS_STATUS_SUCCESS)
+               return ret;
+
+       part.val = v0;
+       if (uvtype)
+               *uvtype = part.hub_version;
+       if (partid)
+               *partid = part.partition_id;
+       if (coher)
+               *coher = part.coherence_id;
+       if (region)
+               *region = part.region_size;
+       return ret;
+}
+
+int
+uv_bios_mq_watchlist_alloc(int blade, unsigned long addr, unsigned int mq_size,
+                          unsigned long *intr_mmr_offset)
+{
+       union uv_watchlist_u size_blade;
+       u64 watchlist;
+       s64 ret;
+
+       size_blade.size = mq_size;
+       size_blade.blade = blade;
+
+       /*
+        * bios returns watchlist number or negative error number.
+        */
+       ret = (int)uv_bios_call_irqsave(UV_BIOS_WATCHLIST_ALLOC, addr,
+                       size_blade.val, (u64)intr_mmr_offset,
+                       (u64)&watchlist, 0);
+       if (ret < BIOS_STATUS_SUCCESS)
+               return ret;
+
+       return watchlist;
+}
+EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_alloc);
+
+int
+uv_bios_mq_watchlist_free(int blade, int watchlist_num)
+{
+       return (int)uv_bios_call_irqsave(UV_BIOS_WATCHLIST_FREE,
+                               blade, watchlist_num, 0, 0, 0);
+}
+EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_free);
+
+s64
+uv_bios_change_memprotect(u64 paddr, u64 len, enum uv_memprotect perms)
+{
+       return uv_bios_call_irqsave(UV_BIOS_MEMPROTECT, paddr, len,
+                                       perms, 0, 0);
+}
+EXPORT_SYMBOL_GPL(uv_bios_change_memprotect);
+
+s64
+uv_bios_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
+{
+       s64 ret;
+
+       ret = uv_bios_call_irqsave(UV_BIOS_GET_PARTITION_ADDR, (u64)cookie,
+                                       (u64)addr, buf, (u64)len, 0);
+       return ret;
+}
+EXPORT_SYMBOL_GPL(uv_bios_reserved_page_pa);
+
+s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
 {
        return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,
-                               (u64)ticks_per_second, 0, 0, 0);
+                          (u64)ticks_per_second, 0, 0, 0);
 }
-EXPORT_SYMBOL_GPL(x86_bios_freq_base);
+EXPORT_SYMBOL_GPL(uv_bios_freq_base);
 
 
 #ifdef CONFIG_EFI
@@ -98,7 +182,8 @@ void uv_bios_init(void)
        memcpy(&uv_systab, tab, sizeof(struct uv_systab));
        iounmap(tab);
 
-       printk(KERN_INFO "EFI UV System Table Revision %d\n", tab->revision);
+       printk(KERN_INFO "EFI UV System Table Revision %d\n",
+                                       uv_systab.revision);
 }
 #else  /* !CONFIG_EFI */