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-rw-r--r--arch/ia64/kernel/esi.c193
1 files changed, 0 insertions, 193 deletions
diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c
deleted file mode 100644
index 4df57c93e0..0000000000
--- a/arch/ia64/kernel/esi.c
+++ /dev/null
@@ -1,193 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Extensible SAL Interface (ESI) support routines.
- *
- * Copyright (C) 2006 Hewlett-Packard Co
- * Alex Williamson <alex.williamson@hp.com>
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/string.h>
-
-#include <asm/esi.h>
-#include <asm/sal.h>
-
-MODULE_AUTHOR("Alex Williamson <alex.williamson@hp.com>");
-MODULE_DESCRIPTION("Extensible SAL Interface (ESI) support");
-MODULE_LICENSE("GPL");
-
-#define MODULE_NAME "esi"
-
-enum esi_systab_entry_type {
- ESI_DESC_ENTRY_POINT = 0
-};
-
-/*
- * Entry type: Size:
- * 0 48
- */
-#define ESI_DESC_SIZE(type) "\060"[(unsigned) (type)]
-
-typedef struct ia64_esi_desc_entry_point {
- u8 type;
- u8 reserved1[15];
- u64 esi_proc;
- u64 gp;
- efi_guid_t guid;
-} ia64_esi_desc_entry_point_t;
-
-struct pdesc {
- void *addr;
- void *gp;
-};
-
-static struct ia64_sal_systab *esi_systab;
-
-extern unsigned long esi_phys;
-
-static int __init esi_init (void)
-{
- struct ia64_sal_systab *systab;
- char *p;
- int i;
-
- if (esi_phys == EFI_INVALID_TABLE_ADDR)
- return -ENODEV;
-
- systab = __va(esi_phys);
-
- if (strncmp(systab->signature, "ESIT", 4) != 0) {
- printk(KERN_ERR "bad signature in ESI system table!");
- return -ENODEV;
- }
-
- p = (char *) (systab + 1);
- for (i = 0; i < systab->entry_count; i++) {
- /*
- * The first byte of each entry type contains the type
- * descriptor.
- */
- switch (*p) {
- case ESI_DESC_ENTRY_POINT:
- break;
- default:
- printk(KERN_WARNING "Unknown table type %d found in "
- "ESI table, ignoring rest of table\n", *p);
- return -ENODEV;
- }
-
- p += ESI_DESC_SIZE(*p);
- }
-
- esi_systab = systab;
- return 0;
-}
-
-
-int ia64_esi_call (efi_guid_t guid, struct ia64_sal_retval *isrvp,
- enum esi_proc_type proc_type, u64 func,
- u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6,
- u64 arg7)
-{
- struct ia64_fpreg fr[6];
- unsigned long flags = 0;
- int i;
- char *p;
-
- if (!esi_systab)
- return -1;
-
- p = (char *) (esi_systab + 1);
- for (i = 0; i < esi_systab->entry_count; i++) {
- if (*p == ESI_DESC_ENTRY_POINT) {
- ia64_esi_desc_entry_point_t *esi = (void *)p;
- if (!efi_guidcmp(guid, esi->guid)) {
- ia64_sal_handler esi_proc;
- struct pdesc pdesc;
-
- pdesc.addr = __va(esi->esi_proc);
- pdesc.gp = __va(esi->gp);
-
- esi_proc = (ia64_sal_handler) &pdesc;
-
- ia64_save_scratch_fpregs(fr);
- if (proc_type == ESI_PROC_SERIALIZED)
- spin_lock_irqsave(&sal_lock, flags);
- else if (proc_type == ESI_PROC_MP_SAFE)
- local_irq_save(flags);
- else
- preempt_disable();
- *isrvp = (*esi_proc)(func, arg1, arg2, arg3,
- arg4, arg5, arg6, arg7);
- if (proc_type == ESI_PROC_SERIALIZED)
- spin_unlock_irqrestore(&sal_lock,
- flags);
- else if (proc_type == ESI_PROC_MP_SAFE)
- local_irq_restore(flags);
- else
- preempt_enable();
- ia64_load_scratch_fpregs(fr);
- return 0;
- }
- }
- p += ESI_DESC_SIZE(*p);
- }
- return -1;
-}
-EXPORT_SYMBOL_GPL(ia64_esi_call);
-
-int ia64_esi_call_phys (efi_guid_t guid, struct ia64_sal_retval *isrvp,
- u64 func, u64 arg1, u64 arg2, u64 arg3, u64 arg4,
- u64 arg5, u64 arg6, u64 arg7)
-{
- struct ia64_fpreg fr[6];
- unsigned long flags;
- u64 esi_params[8];
- char *p;
- int i;
-
- if (!esi_systab)
- return -1;
-
- p = (char *) (esi_systab + 1);
- for (i = 0; i < esi_systab->entry_count; i++) {
- if (*p == ESI_DESC_ENTRY_POINT) {
- ia64_esi_desc_entry_point_t *esi = (void *)p;
- if (!efi_guidcmp(guid, esi->guid)) {
- ia64_sal_handler esi_proc;
- struct pdesc pdesc;
-
- pdesc.addr = (void *)esi->esi_proc;
- pdesc.gp = (void *)esi->gp;
-
- esi_proc = (ia64_sal_handler) &pdesc;
-
- esi_params[0] = func;
- esi_params[1] = arg1;
- esi_params[2] = arg2;
- esi_params[3] = arg3;
- esi_params[4] = arg4;
- esi_params[5] = arg5;
- esi_params[6] = arg6;
- esi_params[7] = arg7;
- ia64_save_scratch_fpregs(fr);
- spin_lock_irqsave(&sal_lock, flags);
- *isrvp = esi_call_phys(esi_proc, esi_params);
- spin_unlock_irqrestore(&sal_lock, flags);
- ia64_load_scratch_fpregs(fr);
- return 0;
- }
- }
- p += ESI_DESC_SIZE(*p);
- }
- return -1;
-}
-EXPORT_SYMBOL_GPL(ia64_esi_call_phys);
-
-static void __exit esi_exit (void)
-{
-}
-
-module_init(esi_init);
-module_exit(esi_exit); /* makes module removable... */