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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/ia64/include/asm/sn/tioce_provider.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/include/asm/sn/tioce_provider.h')
-rw-r--r--arch/ia64/include/asm/sn/tioce_provider.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/tioce_provider.h b/arch/ia64/include/asm/sn/tioce_provider.h
new file mode 100644
index 000000000..32c32f30b
--- /dev/null
+++ b/arch/ia64/include/asm/sn/tioce_provider.h
@@ -0,0 +1,63 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2003-2005 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_CE_PROVIDER_H
+#define _ASM_IA64_SN_CE_PROVIDER_H
+
+#include <asm/sn/pcibus_provider_defs.h>
+#include <asm/sn/tioce.h>
+
+/*
+ * Common TIOCE structure shared between the prom and kernel
+ *
+ * DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE
+ * PROM VERSION.
+ */
+struct tioce_common {
+ struct pcibus_bussoft ce_pcibus; /* common pciio header */
+
+ u32 ce_rev;
+ u64 ce_kernel_private;
+ u64 ce_prom_private;
+};
+
+struct tioce_kernel {
+ struct tioce_common *ce_common;
+ spinlock_t ce_lock;
+ struct list_head ce_dmamap_list;
+
+ u64 ce_ate40_shadow[TIOCE_NUM_M40_ATES];
+ u64 ce_ate3240_shadow[TIOCE_NUM_M3240_ATES];
+ u32 ce_ate3240_pagesize;
+
+ u8 ce_port1_secondary;
+
+ /* per-port resources */
+ struct {
+ int dirmap_refcnt;
+ u64 dirmap_shadow;
+ } ce_port[TIOCE_NUM_PORTS];
+};
+
+struct tioce_dmamap {
+ struct list_head ce_dmamap_list; /* headed by tioce_kernel */
+ u32 refcnt;
+
+ u64 nbytes; /* # bytes mapped */
+
+ u64 ct_start; /* coretalk start address */
+ u64 pci_start; /* bus start address */
+
+ u64 __iomem *ate_hw;/* hw ptr of first ate in map */
+ u64 *ate_shadow; /* shadow ptr of firat ate */
+ u16 ate_count; /* # ate's in the map */
+};
+
+extern int tioce_init_provider(void);
+
+#endif /* __ASM_IA64_SN_CE_PROVIDER_H */