[PATCH 13/14] bloblist: Add alignment to bloblist_new()
Simon Glass
sjg at chromium.org
Tue Jul 25 23:36:25 CEST 2023
Allow the alignment to be specified when creating a bloblist.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
common/bloblist.c | 5 +++--
include/bloblist.h | 3 ++-
test/bloblist.c | 40 ++++++++++++++++++++++------------------
3 files changed, 27 insertions(+), 21 deletions(-)
diff --git a/common/bloblist.c b/common/bloblist.c
index 605bc1f90fe..892ad01a1fd 100644
--- a/common/bloblist.c
+++ b/common/bloblist.c
@@ -332,7 +332,7 @@ static u32 bloblist_calc_chksum(struct bloblist_hdr *hdr)
return chksum;
}
-int bloblist_new(ulong addr, uint size)
+int bloblist_new(ulong addr, uint size, uint align_log2)
{
struct bloblist_hdr *hdr;
@@ -347,6 +347,7 @@ int bloblist_new(ulong addr, uint size)
hdr->magic = BLOBLIST_MAGIC;
hdr->size = size;
hdr->alloced = hdr->hdr_size;
+ hdr->align_log2 = align_log2 ?: BLOBLIST_BLOB_ALIGN_LOG2;
hdr->chksum = 0;
gd->bloblist = hdr;
@@ -490,7 +491,7 @@ int bloblist_init(void)
}
log_debug("Creating new bloblist size %lx at %lx\n", size,
addr);
- ret = bloblist_new(addr, size);
+ ret = bloblist_new(addr, size, 0);
} else {
log_debug("Found existing bloblist size %lx at %lx\n", size,
addr);
diff --git a/include/bloblist.h b/include/bloblist.h
index 13b619cd019..533db708c22 100644
--- a/include/bloblist.h
+++ b/include/bloblist.h
@@ -310,10 +310,11 @@ int bloblist_resize(uint tag, int new_size);
*
* @addr: Address of bloblist
* @size: Initial size for bloblist
+ * @align_log2: Log base 2 of maximum alignment provided by this bloblist
* Return: 0 if OK, -EFAULT if addr is not aligned correctly, -ENOSPC is the
* area is not large enough
*/
-int bloblist_new(ulong addr, uint size);
+int bloblist_new(ulong addr, uint size, uint align_log2);
/**
* bloblist_check() - Check if a bloblist exists
diff --git a/test/bloblist.c b/test/bloblist.c
index 5801160621a..4d3752831e7 100644
--- a/test/bloblist.c
+++ b/test/bloblist.c
@@ -72,15 +72,15 @@ static int bloblist_test_init(struct unit_test_state *uts)
hdr = clear_bloblist();
ut_asserteq(-ENOENT, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
ut_asserteq_ptr(NULL, bloblist_check_magic(TEST_ADDR));
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
ut_asserteq_ptr(hdr, bloblist_check_magic(TEST_ADDR));
hdr->version++;
ut_asserteq(-EPROTONOSUPPORT, bloblist_check(TEST_ADDR,
TEST_BLOBLIST_SIZE));
- ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0xc));
- ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE));
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0xc, 0));
+ ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE, 0));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
ut_assertok(bloblist_finish());
@@ -103,7 +103,7 @@ static int bloblist_test_blob(struct unit_test_state *uts)
/* At the start there should be no records */
hdr = clear_bloblist();
ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE));
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
ut_asserteq(TEST_BLOBLIST_SIZE, bloblist_get_size());
ut_asserteq(TEST_ADDR, bloblist_get_base());
ut_asserteq(map_to_sysmem(hdr), TEST_ADDR);
@@ -141,7 +141,7 @@ static int bloblist_test_blob_ensure(struct unit_test_state *uts)
/* At the start there should be no records */
clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
/* Test with an empty bloblist */
size = TEST_SIZE;
@@ -173,7 +173,7 @@ static int bloblist_test_bad_blob(struct unit_test_state *uts)
void *data;
hdr = clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
data = hdr + 1;
data += sizeof(struct bloblist_rec);
ut_asserteq_addr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
@@ -189,7 +189,7 @@ static int bloblist_test_checksum(struct unit_test_state *uts)
char *data, *data2;
hdr = clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
ut_assertok(bloblist_finish());
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
@@ -206,6 +206,10 @@ static int bloblist_test_checksum(struct unit_test_state *uts)
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->chksum--;
+ hdr->align_log2++;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->align_log2--;
+
/* Make sure the checksum changes when we add blobs */
data = bloblist_add(TEST_TAG, TEST_SIZE, 0);
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
@@ -251,7 +255,7 @@ static int bloblist_test_cmd_info(struct unit_test_state *uts)
char *data, *data2;
hdr = clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
data = bloblist_ensure(TEST_TAG, TEST_SIZE);
data2 = bloblist_ensure(TEST_TAG2, TEST_SIZE2);
@@ -277,7 +281,7 @@ static int bloblist_test_cmd_list(struct unit_test_state *uts)
char *data, *data2;
hdr = clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
data = bloblist_ensure(TEST_TAG, TEST_SIZE);
data2 = bloblist_ensure(TEST_TAG2, TEST_SIZE2);
@@ -307,7 +311,7 @@ static int bloblist_test_align(struct unit_test_state *uts)
/* At the start there should be no records */
hdr = clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE));
/* Check the default alignment */
@@ -344,7 +348,7 @@ static int bloblist_test_align(struct unit_test_state *uts)
memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
memset(hdr, '\0', sizeof(*hdr));
ut_assertok(bloblist_new(TEST_ADDR + BLOBLIST_ALIGN,
- TEST_BLOBLIST_SIZE));
+ TEST_BLOBLIST_SIZE, 0));
data = bloblist_add(1, 5, BLOBLIST_ALIGN_LOG2 + 1);
ut_assertnonnull(data);
@@ -365,7 +369,7 @@ static int bloblist_test_reloc(struct unit_test_state *uts)
ulong new_addr;
ulong new_size;
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
old_ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
/* Add one blob and then one that won't fit */
@@ -404,7 +408,7 @@ static int bloblist_test_grow(struct unit_test_state *uts)
memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
/* Create two blobs */
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
ut_assertok(check_zero(blob1, small_size));
@@ -456,7 +460,7 @@ static int bloblist_test_shrink(struct unit_test_state *uts)
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
/* Create two blobs */
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
strcpy(blob1, test1_str);
@@ -506,7 +510,7 @@ static int bloblist_test_resize_fail(struct unit_test_state *uts)
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
/* Create two blobs */
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
@@ -543,7 +547,7 @@ static int bloblist_test_resize_last(struct unit_test_state *uts)
hdr = ptr;
/* Create two blobs */
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
@@ -588,7 +592,7 @@ static int bloblist_test_blob_maxsize(struct unit_test_state *uts)
/* At the start there should be no records */
clear_bloblist();
- ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
/* Add a blob that takes up all space */
size = TEST_BLOBLIST_SIZE - sizeof(struct bloblist_hdr) -
--
2.41.0.487.g6d72f3e995-goog
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