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-rw-r--r--lib/zlib_deflate/deflate.c4
-rw-r--r--lib/zlib_dfltcc/dfltcc.c25
-rw-r--r--lib/zlib_dfltcc/dfltcc.h52
-rw-r--r--lib/zlib_dfltcc/dfltcc_deflate.c35
-rw-r--r--lib/zlib_dfltcc/dfltcc_deflate.h21
-rw-r--r--lib/zlib_dfltcc/dfltcc_inflate.c10
-rw-r--r--lib/zlib_dfltcc/dfltcc_inflate.h37
-rw-r--r--lib/zlib_inflate/inflate.c2
8 files changed, 110 insertions, 76 deletions
diff --git a/lib/zlib_deflate/deflate.c b/lib/zlib_deflate/deflate.c
index f30d6b8a69b2..3a1d8d34182e 100644
--- a/lib/zlib_deflate/deflate.c
+++ b/lib/zlib_deflate/deflate.c
@@ -54,7 +54,7 @@
/* architecture-specific bits */
#ifdef CONFIG_ZLIB_DFLTCC
-# include "../zlib_dfltcc/dfltcc.h"
+# include "../zlib_dfltcc/dfltcc_deflate.h"
#else
#define DEFLATE_RESET_HOOK(strm) do {} while (0)
#define DEFLATE_HOOK(strm, flush, bstate) 0
@@ -106,7 +106,7 @@ typedef struct deflate_workspace {
deflate_state deflate_memory;
#ifdef CONFIG_ZLIB_DFLTCC
/* State memory for s390 hardware deflate */
- struct dfltcc_state dfltcc_memory;
+ struct dfltcc_deflate_state dfltcc_memory;
#endif
Byte *window_memory;
Pos *prev_memory;
diff --git a/lib/zlib_dfltcc/dfltcc.c b/lib/zlib_dfltcc/dfltcc.c
index 782f76e9d4da..ac6ac9739f5b 100644
--- a/lib/zlib_dfltcc/dfltcc.c
+++ b/lib/zlib_dfltcc/dfltcc.c
@@ -23,37 +23,18 @@ char *oesc_msg(
}
}
-void dfltcc_reset(
- z_streamp strm,
- uInt size
-)
-{
- struct dfltcc_state *dfltcc_state =
- (struct dfltcc_state *)((char *)strm->state + size);
- struct dfltcc_qaf_param *param =
- (struct dfltcc_qaf_param *)&dfltcc_state->param;
-
+void dfltcc_reset_state(struct dfltcc_state *dfltcc_state) {
/* Initialize available functions */
if (is_dfltcc_enabled()) {
- dfltcc(DFLTCC_QAF, param, NULL, NULL, NULL, NULL, NULL);
- memmove(&dfltcc_state->af, param, sizeof(dfltcc_state->af));
+ dfltcc(DFLTCC_QAF, &dfltcc_state->param, NULL, NULL, NULL, NULL, NULL);
+ memmove(&dfltcc_state->af, &dfltcc_state->param, sizeof(dfltcc_state->af));
} else
memset(&dfltcc_state->af, 0, sizeof(dfltcc_state->af));
/* Initialize parameter block */
memset(&dfltcc_state->param, 0, sizeof(dfltcc_state->param));
dfltcc_state->param.nt = 1;
-
- /* Initialize tuning parameters */
- if (zlib_dfltcc_support == ZLIB_DFLTCC_FULL_DEBUG)
- dfltcc_state->level_mask = DFLTCC_LEVEL_MASK_DEBUG;
- else
- dfltcc_state->level_mask = DFLTCC_LEVEL_MASK;
- dfltcc_state->block_size = DFLTCC_BLOCK_SIZE;
- dfltcc_state->block_threshold = DFLTCC_FIRST_FHT_BLOCK_SIZE;
- dfltcc_state->dht_threshold = DFLTCC_DHT_MIN_SAMPLE_SIZE;
dfltcc_state->param.ribm = DFLTCC_RIBM;
}
-EXPORT_SYMBOL(dfltcc_reset);
MODULE_LICENSE("GPL");
diff --git a/lib/zlib_dfltcc/dfltcc.h b/lib/zlib_dfltcc/dfltcc.h
index 1f63094366e9..b96232bdd44d 100644
--- a/lib/zlib_dfltcc/dfltcc.h
+++ b/lib/zlib_dfltcc/dfltcc.h
@@ -93,64 +93,32 @@ static_assert(sizeof(struct dfltcc_param_v0) == 1536);
struct dfltcc_state {
struct dfltcc_param_v0 param; /* Parameter block */
struct dfltcc_qaf_param af; /* Available functions */
+ char msg[64]; /* Buffer for strm->msg */
+};
+
+/*
+ * Extension of inflate_state and deflate_state for DFLTCC.
+ */
+struct dfltcc_deflate_state {
+ struct dfltcc_state common; /* Parameter block */
uLong level_mask; /* Levels on which to use DFLTCC */
uLong block_size; /* New block each X bytes */
uLong block_threshold; /* New block after total_in > X */
uLong dht_threshold; /* New block only if avail_in >= X */
- char msg[64]; /* Buffer for strm->msg */
};
#define ALIGN_UP(p, size) (__typeof__(p))(((uintptr_t)(p) + ((size) - 1)) & ~((size) - 1))
/* Resides right after inflate_state or deflate_state */
#define GET_DFLTCC_STATE(state) ((struct dfltcc_state *)((char *)(state) + ALIGN_UP(sizeof(*state), 8)))
-/* External functions */
-int dfltcc_can_deflate(z_streamp strm);
-int dfltcc_deflate(z_streamp strm,
- int flush,
- block_state *result);
-void dfltcc_reset(z_streamp strm, uInt size);
-int dfltcc_can_inflate(z_streamp strm);
-typedef enum {
- DFLTCC_INFLATE_CONTINUE,
- DFLTCC_INFLATE_BREAK,
- DFLTCC_INFLATE_SOFTWARE,
-} dfltcc_inflate_action;
-dfltcc_inflate_action dfltcc_inflate(z_streamp strm,
- int flush, int *ret);
+void dfltcc_reset_state(struct dfltcc_state *dfltcc_state);
+
static inline int is_dfltcc_enabled(void)
{
return (zlib_dfltcc_support != ZLIB_DFLTCC_DISABLED &&
test_facility(DFLTCC_FACILITY));
}
-#define DEFLATE_RESET_HOOK(strm) \
- dfltcc_reset((strm), sizeof(deflate_state))
-
-#define DEFLATE_HOOK dfltcc_deflate
-
-#define DEFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_deflate((strm)))
-
#define DEFLATE_DFLTCC_ENABLED() is_dfltcc_enabled()
-#define INFLATE_RESET_HOOK(strm) \
- dfltcc_reset((strm), sizeof(struct inflate_state))
-
-#define INFLATE_TYPEDO_HOOK(strm, flush) \
- if (dfltcc_can_inflate((strm))) { \
- dfltcc_inflate_action action; \
-\
- RESTORE(); \
- action = dfltcc_inflate((strm), (flush), &ret); \
- LOAD(); \
- if (action == DFLTCC_INFLATE_CONTINUE) \
- break; \
- else if (action == DFLTCC_INFLATE_BREAK) \
- goto inf_leave; \
- }
-
-#define INFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_inflate((strm)))
-
-#define INFLATE_NEED_UPDATEWINDOW(strm) (!dfltcc_can_inflate((strm)))
-
#endif /* DFLTCC_H */
diff --git a/lib/zlib_dfltcc/dfltcc_deflate.c b/lib/zlib_dfltcc/dfltcc_deflate.c
index d4c92f99808e..80924f067c24 100644
--- a/lib/zlib_dfltcc/dfltcc_deflate.c
+++ b/lib/zlib_dfltcc/dfltcc_deflate.c
@@ -2,11 +2,13 @@
#include "../zlib_deflate/defutil.h"
#include "dfltcc_util.h"
-#include "dfltcc.h"
+#include "dfltcc_deflate.h"
#include <asm/setup.h>
#include <linux/export.h>
#include <linux/zutil.h>
+#define GET_DFLTCC_DEFLATE_STATE(state) ((struct dfltcc_deflate_state *)GET_DFLTCC_STATE(state))
+
/*
* Compress.
*/
@@ -15,7 +17,7 @@ int dfltcc_can_deflate(
)
{
deflate_state *state = (deflate_state *)strm->state;
- struct dfltcc_state *dfltcc_state = GET_DFLTCC_STATE(state);
+ struct dfltcc_deflate_state *dfltcc_state = GET_DFLTCC_DEFLATE_STATE(state);
/* Check for kernel dfltcc command line parameter */
if (zlib_dfltcc_support == ZLIB_DFLTCC_DISABLED ||
@@ -28,15 +30,32 @@ int dfltcc_can_deflate(
return 0;
/* Unsupported hardware */
- if (!is_bit_set(dfltcc_state->af.fns, DFLTCC_GDHT) ||
- !is_bit_set(dfltcc_state->af.fns, DFLTCC_CMPR) ||
- !is_bit_set(dfltcc_state->af.fmts, DFLTCC_FMT0))
+ if (!is_bit_set(dfltcc_state->common.af.fns, DFLTCC_GDHT) ||
+ !is_bit_set(dfltcc_state->common.af.fns, DFLTCC_CMPR) ||
+ !is_bit_set(dfltcc_state->common.af.fmts, DFLTCC_FMT0))
return 0;
return 1;
}
EXPORT_SYMBOL(dfltcc_can_deflate);
+void dfltcc_reset_deflate_state(z_streamp strm) {
+ deflate_state *state = (deflate_state *)strm->state;
+ struct dfltcc_deflate_state *dfltcc_state = GET_DFLTCC_DEFLATE_STATE(state);
+
+ dfltcc_reset_state(&dfltcc_state->common);
+
+ /* Initialize tuning parameters */
+ if (zlib_dfltcc_support == ZLIB_DFLTCC_FULL_DEBUG)
+ dfltcc_state->level_mask = DFLTCC_LEVEL_MASK_DEBUG;
+ else
+ dfltcc_state->level_mask = DFLTCC_LEVEL_MASK;
+ dfltcc_state->block_size = DFLTCC_BLOCK_SIZE;
+ dfltcc_state->block_threshold = DFLTCC_FIRST_FHT_BLOCK_SIZE;
+ dfltcc_state->dht_threshold = DFLTCC_DHT_MIN_SAMPLE_SIZE;
+}
+EXPORT_SYMBOL(dfltcc_reset_deflate_state);
+
static void dfltcc_gdht(
z_streamp strm
)
@@ -104,8 +123,8 @@ int dfltcc_deflate(
)
{
deflate_state *state = (deflate_state *)strm->state;
- struct dfltcc_state *dfltcc_state = GET_DFLTCC_STATE(state);
- struct dfltcc_param_v0 *param = &dfltcc_state->param;
+ struct dfltcc_deflate_state *dfltcc_state = GET_DFLTCC_DEFLATE_STATE(state);
+ struct dfltcc_param_v0 *param = &dfltcc_state->common.param;
uInt masked_avail_in;
dfltcc_cc cc;
int need_empty_block;
@@ -244,7 +263,7 @@ again:
} while (cc == DFLTCC_CC_AGAIN);
/* Translate parameter block to stream */
- strm->msg = oesc_msg(dfltcc_state->msg, param->oesc);
+ strm->msg = oesc_msg(dfltcc_state->common.msg, param->oesc);
state->bi_valid = param->sbb;
if (state->bi_valid == 0)
state->bi_buf = 0; /* Avoid accessing next_out */
diff --git a/lib/zlib_dfltcc/dfltcc_deflate.h b/lib/zlib_dfltcc/dfltcc_deflate.h
new file mode 100644
index 000000000000..be44b43833b1
--- /dev/null
+++ b/lib/zlib_dfltcc/dfltcc_deflate.h
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: Zlib
+#ifndef DFLTCC_DEFLATE_H
+#define DFLTCC_DEFLATE_H
+
+#include "dfltcc.h"
+
+/* External functions */
+int dfltcc_can_deflate(z_streamp strm);
+int dfltcc_deflate(z_streamp strm,
+ int flush,
+ block_state *result);
+void dfltcc_reset_deflate_state(z_streamp strm);
+
+#define DEFLATE_RESET_HOOK(strm) \
+ dfltcc_reset_deflate_state((strm))
+
+#define DEFLATE_HOOK dfltcc_deflate
+
+#define DEFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_deflate((strm)))
+
+#endif /* DFLTCC_DEFLATE_H */
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c
index fb60b5a6a1cb..a16f416c8811 100644
--- a/lib/zlib_dfltcc/dfltcc_inflate.c
+++ b/lib/zlib_dfltcc/dfltcc_inflate.c
@@ -2,7 +2,7 @@
#include "../zlib_inflate/inflate.h"
#include "dfltcc_util.h"
-#include "dfltcc.h"
+#include "dfltcc_inflate.h"
#include <asm/setup.h>
#include <linux/export.h>
#include <linux/zutil.h>
@@ -32,6 +32,14 @@ int dfltcc_can_inflate(
}
EXPORT_SYMBOL(dfltcc_can_inflate);
+void dfltcc_reset_inflate_state(z_streamp strm) {
+ struct inflate_state *state = (struct inflate_state *)strm->state;
+ struct dfltcc_state *dfltcc_state = GET_DFLTCC_STATE(state);
+
+ dfltcc_reset_state(dfltcc_state);
+}
+EXPORT_SYMBOL(dfltcc_reset_inflate_state);
+
static int dfltcc_was_inflate_used(
z_streamp strm
)
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.h b/lib/zlib_dfltcc/dfltcc_inflate.h
new file mode 100644
index 000000000000..98d4bc42e526
--- /dev/null
+++ b/lib/zlib_dfltcc/dfltcc_inflate.h
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: Zlib
+#ifndef DFLTCC_INFLATE_H
+#define DFLTCC_INFLATE_H
+
+#include "dfltcc.h"
+
+/* External functions */
+void dfltcc_reset_inflate_state(z_streamp strm);
+int dfltcc_can_inflate(z_streamp strm);
+typedef enum {
+ DFLTCC_INFLATE_CONTINUE,
+ DFLTCC_INFLATE_BREAK,
+ DFLTCC_INFLATE_SOFTWARE,
+} dfltcc_inflate_action;
+dfltcc_inflate_action dfltcc_inflate(z_streamp strm,
+ int flush, int *ret);
+#define INFLATE_RESET_HOOK(strm) \
+ dfltcc_reset_inflate_state((strm))
+
+#define INFLATE_TYPEDO_HOOK(strm, flush) \
+ if (dfltcc_can_inflate((strm))) { \
+ dfltcc_inflate_action action; \
+\
+ RESTORE(); \
+ action = dfltcc_inflate((strm), (flush), &ret); \
+ LOAD(); \
+ if (action == DFLTCC_INFLATE_CONTINUE) \
+ break; \
+ else if (action == DFLTCC_INFLATE_BREAK) \
+ goto inf_leave; \
+ }
+
+#define INFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_inflate((strm)))
+
+#define INFLATE_NEED_UPDATEWINDOW(strm) (!dfltcc_can_inflate((strm)))
+
+#endif /* DFLTCC_DEFLATE_H */
diff --git a/lib/zlib_inflate/inflate.c b/lib/zlib_inflate/inflate.c
index ee39b5eb71f7..d1efad69f02b 100644
--- a/lib/zlib_inflate/inflate.c
+++ b/lib/zlib_inflate/inflate.c
@@ -17,7 +17,7 @@
/* architecture-specific bits */
#ifdef CONFIG_ZLIB_DFLTCC
-# include "../zlib_dfltcc/dfltcc.h"
+# include "../zlib_dfltcc/dfltcc_inflate.h"
#else
#define INFLATE_RESET_HOOK(strm) do {} while (0)
#define INFLATE_TYPEDO_HOOK(strm, flush) do {} while (0)
generated by cgit (git 2.34.1) at 2024-06-17 05:00:53 +0000