powerpc: Move page table dump files in a dedicated subdirectory

This patch moves the files related to page table dump in a
dedicated subdirectory.

The purpose is to clean a bit arch/powerpc/mm by regrouping
multiple files handling a dedicated function.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Shorten the file names while we're at it]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 0 insertions, 173 deletions

diff --git a/arch/powerpc/mm/dump_bats.c b/arch/powerpc/mm/dump_bats.c
deleted file mode 100644
index a0d23e96e841..000000000000
--- a/arch/powerpc/mm/dump_bats.c
+++ /dev/null
@@ -1,173 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2018, Christophe Leroy CS S.I.
- * <christophe.leroy@c-s.fr>
- *
- * This dumps the content of BATS
- */
-
-#include <asm/debugfs.h>
-#include <asm/pgtable.h>
-#include <asm/cpu_has_feature.h>
-
-static char *pp_601(int k, int pp)
-{
-	if (pp == 0)
-		return k ? "NA" : "RWX";
-	if (pp == 1)
-		return k ? "ROX" : "RWX";
-	if (pp == 2)
-		return k ? "RWX" : "RWX";
-	return k ? "ROX" : "ROX";
-}
-
-static void bat_show_601(struct seq_file *m, int idx, u32 lower, u32 upper)
-{
-	u32 blpi = upper & 0xfffe0000;
-	u32 k = (upper >> 2) & 3;
-	u32 pp = upper & 3;
-	phys_addr_t pbn = PHYS_BAT_ADDR(lower);
-	u32 bsm = lower & 0x3ff;
-	u32 size = (bsm + 1) << 17;
-
-	seq_printf(m, "%d: ", idx);
-	if (!(lower & 0x40)) {
-		seq_puts(m, "        -\n");
-		return;
-	}
-
-	seq_printf(m, "0x%08x-0x%08x ", blpi, blpi + size - 1);
-#ifdef CONFIG_PHYS_64BIT
-	seq_printf(m, "0x%016llx ", pbn);
-#else
-	seq_printf(m, "0x%08x ", pbn);
-#endif
-
-	seq_printf(m, "Kernel %s User %s", pp_601(k & 2, pp), pp_601(k & 1, pp));
-
-	if (lower & _PAGE_WRITETHRU)
-		seq_puts(m, "write through ");
-	if (lower & _PAGE_NO_CACHE)
-		seq_puts(m, "no cache ");
-	if (lower & _PAGE_COHERENT)
-		seq_puts(m, "coherent ");
-	seq_puts(m, "\n");
-}
-
-#define BAT_SHOW_601(_m, _n, _l, _u) bat_show_601(_m, _n, mfspr(_l), mfspr(_u))
-
-static int bats_show_601(struct seq_file *m, void *v)
-{
-	seq_puts(m, "---[ Block Address Translation ]---\n");
-
-	BAT_SHOW_601(m, 0, SPRN_IBAT0L, SPRN_IBAT0U);
-	BAT_SHOW_601(m, 1, SPRN_IBAT1L, SPRN_IBAT1U);
-	BAT_SHOW_601(m, 2, SPRN_IBAT2L, SPRN_IBAT2U);
-	BAT_SHOW_601(m, 3, SPRN_IBAT3L, SPRN_IBAT3U);
-
-	return 0;
-}
-
-static void bat_show_603(struct seq_file *m, int idx, u32 lower, u32 upper, bool is_d)
-{
-	u32 bepi = upper & 0xfffe0000;
-	u32 bl = (upper >> 2) & 0x7ff;
-	u32 k = upper & 3;
-	phys_addr_t brpn = PHYS_BAT_ADDR(lower);
-	u32 size = (bl + 1) << 17;
-
-	seq_printf(m, "%d: ", idx);
-	if (k == 0) {
-		seq_puts(m, "        -\n");
-		return;
-	}
-
-	seq_printf(m, "0x%08x-0x%08x ", bepi, bepi + size - 1);
-#ifdef CONFIG_PHYS_64BIT
-	seq_printf(m, "0x%016llx ", brpn);
-#else
-	seq_printf(m, "0x%08x ", brpn);
-#endif
-
-	if (k == 1)
-		seq_puts(m, "User ");
-	else if (k == 2)
-		seq_puts(m, "Kernel ");
-	else
-		seq_puts(m, "Kernel/User ");
-
-	if (lower & BPP_RX)
-		seq_puts(m, is_d ? "RO " : "EXEC ");
-	else if (lower & BPP_RW)
-		seq_puts(m, is_d ? "RW " : "EXEC ");
-	else
-		seq_puts(m, is_d ? "NA " : "NX   ");
-
-	if (lower & _PAGE_WRITETHRU)
-		seq_puts(m, "write through ");
-	if (lower & _PAGE_NO_CACHE)
-		seq_puts(m, "no cache ");
-	if (lower & _PAGE_COHERENT)
-		seq_puts(m, "coherent ");
-	if (lower & _PAGE_GUARDED)
-		seq_puts(m, "guarded ");
-	seq_puts(m, "\n");
-}
-
-#define BAT_SHOW_603(_m, _n, _l, _u, _d) bat_show_603(_m, _n, mfspr(_l), mfspr(_u), _d)
-
-static int bats_show_603(struct seq_file *m, void *v)
-{
-	seq_puts(m, "---[ Instruction Block Address Translation ]---\n");
-
-	BAT_SHOW_603(m, 0, SPRN_IBAT0L, SPRN_IBAT0U, false);
-	BAT_SHOW_603(m, 1, SPRN_IBAT1L, SPRN_IBAT1U, false);
-	BAT_SHOW_603(m, 2, SPRN_IBAT2L, SPRN_IBAT2U, false);
-	BAT_SHOW_603(m, 3, SPRN_IBAT3L, SPRN_IBAT3U, false);
-	if (mmu_has_feature(MMU_FTR_USE_HIGH_BATS)) {
-		BAT_SHOW_603(m, 4, SPRN_IBAT4L, SPRN_IBAT4U, false);
-		BAT_SHOW_603(m, 5, SPRN_IBAT5L, SPRN_IBAT5U, false);
-		BAT_SHOW_603(m, 6, SPRN_IBAT6L, SPRN_IBAT6U, false);
-		BAT_SHOW_603(m, 7, SPRN_IBAT7L, SPRN_IBAT7U, false);
-	}
-
-	seq_puts(m, "\n---[ Data Block Address Translation ]---\n");
-
-	BAT_SHOW_603(m, 0, SPRN_DBAT0L, SPRN_DBAT0U, true);
-	BAT_SHOW_603(m, 1, SPRN_DBAT1L, SPRN_DBAT1U, true);
-	BAT_SHOW_603(m, 2, SPRN_DBAT2L, SPRN_DBAT2U, true);
-	BAT_SHOW_603(m, 3, SPRN_DBAT3L, SPRN_DBAT3U, true);
-	if (mmu_has_feature(MMU_FTR_USE_HIGH_BATS)) {
-		BAT_SHOW_603(m, 4, SPRN_DBAT4L, SPRN_DBAT4U, true);
-		BAT_SHOW_603(m, 5, SPRN_DBAT5L, SPRN_DBAT5U, true);
-		BAT_SHOW_603(m, 6, SPRN_DBAT6L, SPRN_DBAT6U, true);
-		BAT_SHOW_603(m, 7, SPRN_DBAT7L, SPRN_DBAT7U, true);
-	}
-
-	return 0;
-}
-
-static int bats_open(struct inode *inode, struct file *file)
-{
-	if (cpu_has_feature(CPU_FTR_601))
-		return single_open(file, bats_show_601, NULL);
-
-	return single_open(file, bats_show_603, NULL);
-}
-
-static const struct file_operations bats_fops = {
-	.open		= bats_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
-static int __init bats_init(void)
-{
-	struct dentry *debugfs_file;
-
-	debugfs_file = debugfs_create_file("block_address_translation", 0400,
-					   powerpc_debugfs_root, NULL, &bats_fops);
-	return debugfs_file ? 0 : -ENOMEM;
-}
-device_initcall(bats_init);