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Diffstat (limited to 'drivers/mmc/card/mmc_test.c')
-rw-r--r--drivers/mmc/card/mmc_test.c788
1 files changed, 594 insertions, 194 deletions
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index ffadee549a4..a067fe43630 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -1,7 +1,7 @@
/*
* linux/drivers/mmc/card/mmc_test.c
*
- * Copyright 2007 Pierre Ossman
+ * Copyright 2007-2008 Pierre Ossman
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -21,18 +21,26 @@
#define RESULT_UNSUP_HOST 2
#define RESULT_UNSUP_CARD 3
-#define BUFFER_SIZE (PAGE_SIZE * 4)
+#define BUFFER_ORDER 2
+#define BUFFER_SIZE (PAGE_SIZE << BUFFER_ORDER)
struct mmc_test_card {
struct mmc_card *card;
+ u8 scratch[BUFFER_SIZE];
u8 *buffer;
+#ifdef CONFIG_HIGHMEM
+ struct page *highmem;
+#endif
};
/*******************************************************************/
-/* Helper functions */
+/* General helper functions */
/*******************************************************************/
+/*
+ * Configure correct block size in card
+ */
static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size)
{
struct mmc_command cmd;
@@ -48,117 +56,61 @@ static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size)
return 0;
}
-static int __mmc_test_transfer(struct mmc_test_card *test, int write,
- unsigned broken_xfer, u8 *buffer, unsigned addr,
- unsigned blocks, unsigned blksz)
+/*
+ * Fill in the mmc_request structure given a set of transfer parameters.
+ */
+static void mmc_test_prepare_mrq(struct mmc_test_card *test,
+ struct mmc_request *mrq, struct scatterlist *sg, unsigned sg_len,
+ unsigned dev_addr, unsigned blocks, unsigned blksz, int write)
{
- int ret, busy;
-
- struct mmc_request mrq;
- struct mmc_command cmd;
- struct mmc_command stop;
- struct mmc_data data;
-
- struct scatterlist sg;
+ BUG_ON(!mrq || !mrq->cmd || !mrq->data || !mrq->stop);
- memset(&mrq, 0, sizeof(struct mmc_request));
-
- mrq.cmd = &cmd;
- mrq.data = &data;
-
- memset(&cmd, 0, sizeof(struct mmc_command));
-
- if (broken_xfer) {
- if (blocks > 1) {
- cmd.opcode = write ?
- MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
- } else {
- cmd.opcode = MMC_SEND_STATUS;
- }
+ if (blocks > 1) {
+ mrq->cmd->opcode = write ?
+ MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK;
} else {
- if (blocks > 1) {
- cmd.opcode = write ?
- MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK;
- } else {
- cmd.opcode = write ?
- MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
- }
+ mrq->cmd->opcode = write ?
+ MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
}
- if (broken_xfer && blocks == 1)
- cmd.arg = test->card->rca << 16;
- else
- cmd.arg = addr;
- cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
-
- memset(&stop, 0, sizeof(struct mmc_command));
-
- if (!broken_xfer && (blocks > 1)) {
- stop.opcode = MMC_STOP_TRANSMISSION;
- stop.arg = 0;
- stop.flags = MMC_RSP_R1B | MMC_CMD_AC;
+ mrq->cmd->arg = dev_addr;
+ mrq->cmd->flags = MMC_RSP_R1 | MMC_CMD_ADTC;
- mrq.stop = &stop;
+ if (blocks == 1)
+ mrq->stop = NULL;
+ else {
+ mrq->stop->opcode = MMC_STOP_TRANSMISSION;
+ mrq->stop->arg = 0;
+ mrq->stop->flags = MMC_RSP_R1B | MMC_CMD_AC;
}
- memset(&data, 0, sizeof(struct mmc_data));
-
- data.blksz = blksz;
- data.blocks = blocks;
- data.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ;
- data.sg = &sg;
- data.sg_len = 1;
-
- sg_init_one(&sg, buffer, blocks * blksz);
-
- mmc_set_data_timeout(&data, test->card);
+ mrq->data->blksz = blksz;
+ mrq->data->blocks = blocks;
+ mrq->data->flags = write ? MMC_DATA_WRITE : MMC_DATA_READ;
+ mrq->data->sg = sg;
+ mrq->data->sg_len = sg_len;
- mmc_wait_for_req(test->card->host, &mrq);
-
- ret = 0;
-
- if (broken_xfer) {
- if (!ret && cmd.error)
- ret = cmd.error;
- if (!ret && data.error == 0)
- ret = RESULT_FAIL;
- if (!ret && data.error != -ETIMEDOUT)
- ret = data.error;
- if (!ret && stop.error)
- ret = stop.error;
- if (blocks > 1) {
- if (!ret && data.bytes_xfered > blksz)
- ret = RESULT_FAIL;
- } else {
- if (!ret && data.bytes_xfered > 0)
- ret = RESULT_FAIL;
- }
- } else {
- if (!ret && cmd.error)
- ret = cmd.error;
- if (!ret && data.error)
- ret = data.error;
- if (!ret && stop.error)
- ret = stop.error;
- if (!ret && data.bytes_xfered != blocks * blksz)
- ret = RESULT_FAIL;
- }
+ mmc_set_data_timeout(mrq->data, test->card);
+}
- if (ret == -EINVAL)
- ret = RESULT_UNSUP_HOST;
+/*
+ * Wait for the card to finish the busy state
+ */
+static int mmc_test_wait_busy(struct mmc_test_card *test)
+{
+ int ret, busy;
+ struct mmc_command cmd;
busy = 0;
do {
- int ret2;
-
memset(&cmd, 0, sizeof(struct mmc_command));
cmd.opcode = MMC_SEND_STATUS;
cmd.arg = test->card->rca << 16;
cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
- ret2 = mmc_wait_for_cmd(test->card->host, &cmd, 0);
- if (ret2)
+ ret = mmc_wait_for_cmd(test->card->host, &cmd, 0);
+ if (ret)
break;
if (!busy && !(cmd.resp[0] & R1_READY_FOR_DATA)) {
@@ -172,14 +124,57 @@ static int __mmc_test_transfer(struct mmc_test_card *test, int write,
return ret;
}
-static int mmc_test_transfer(struct mmc_test_card *test, int write,
- u8 *buffer, unsigned addr, unsigned blocks, unsigned blksz)
+/*
+ * Transfer a single sector of kernel addressable data
+ */
+static int mmc_test_buffer_transfer(struct mmc_test_card *test,
+ u8 *buffer, unsigned addr, unsigned blksz, int write)
{
- return __mmc_test_transfer(test, write, 0, buffer,
- addr, blocks, blksz);
+ int ret;
+
+ struct mmc_request mrq;
+ struct mmc_command cmd;
+ struct mmc_command stop;
+ struct mmc_data data;
+
+ struct scatterlist sg;
+
+ memset(&mrq, 0, sizeof(struct mmc_request));
+ memset(&cmd, 0, sizeof(struct mmc_command));
+ memset(&data, 0, sizeof(struct mmc_data));
+ memset(&stop, 0, sizeof(struct mmc_command));
+
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+ mrq.stop = &stop;
+
+ sg_init_one(&sg, buffer, blksz);
+
+ mmc_test_prepare_mrq(test, &mrq, &sg, 1, addr, 1, blksz, write);
+
+ mmc_wait_for_req(test->card->host, &mrq);
+
+ if (cmd.error)
+ return cmd.error;
+ if (data.error)
+ return data.error;
+
+ ret = mmc_test_wait_busy(test);
+ if (ret)
+ return ret;
+
+ return 0;
}
-static int mmc_test_prepare_verify(struct mmc_test_card *test, int write)
+/*******************************************************************/
+/* Test preparation and cleanup */
+/*******************************************************************/
+
+/*
+ * Fill the first couple of sectors of the card with known data
+ * so that bad reads/writes can be detected
+ */
+static int __mmc_test_prepare(struct mmc_test_card *test, int write)
{
int ret, i;
@@ -188,15 +183,14 @@ static int mmc_test_prepare_verify(struct mmc_test_card *test, int write)
return ret;
if (write)
- memset(test->buffer, 0xDF, BUFFER_SIZE);
+ memset(test->buffer, 0xDF, 512);
else {
- for (i = 0;i < BUFFER_SIZE;i++)
+ for (i = 0;i < 512;i++)
test->buffer[i] = i;
}
for (i = 0;i < BUFFER_SIZE / 512;i++) {
- ret = mmc_test_transfer(test, 1, test->buffer + i * 512,
- i * 512, 1, 512);
+ ret = mmc_test_buffer_transfer(test, test->buffer, i * 512, 512, 1);
if (ret)
return ret;
}
@@ -204,41 +198,220 @@ static int mmc_test_prepare_verify(struct mmc_test_card *test, int write)
return 0;
}
-static int mmc_test_prepare_verify_write(struct mmc_test_card *test)
+static int mmc_test_prepare_write(struct mmc_test_card *test)
{
- return mmc_test_prepare_verify(test, 1);
+ return __mmc_test_prepare(test, 1);
}
-static int mmc_test_prepare_verify_read(struct mmc_test_card *test)
+static int mmc_test_prepare_read(struct mmc_test_card *test)
{
- return mmc_test_prepare_verify(test, 0);
+ return __mmc_test_prepare(test, 0);
}
-static int mmc_test_verified_transfer(struct mmc_test_card *test, int write,
- u8 *buffer, unsigned addr, unsigned blocks, unsigned blksz)
+static int mmc_test_cleanup(struct mmc_test_card *test)
{
- int ret, i, sectors;
+ int ret, i;
- /*
- * It is assumed that the above preparation has been done.
- */
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
- memset(test->buffer, 0, BUFFER_SIZE);
+ memset(test->buffer, 0, 512);
+
+ for (i = 0;i < BUFFER_SIZE / 512;i++) {
+ ret = mmc_test_buffer_transfer(test, test->buffer, i * 512, 512, 1);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/*******************************************************************/
+/* Test execution helpers */
+/*******************************************************************/
+
+/*
+ * Modifies the mmc_request to perform the "short transfer" tests
+ */
+static void mmc_test_prepare_broken_mrq(struct mmc_test_card *test,
+ struct mmc_request *mrq, int write)
+{
+ BUG_ON(!mrq || !mrq->cmd || !mrq->data);
+
+ if (mrq->data->blocks > 1) {
+ mrq->cmd->opcode = write ?
+ MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
+ mrq->stop = NULL;
+ } else {
+ mrq->cmd->opcode = MMC_SEND_STATUS;
+ mrq->cmd->arg = test->card->rca << 16;
+ }
+}
+
+/*
+ * Checks that a normal transfer didn't have any errors
+ */
+static int mmc_test_check_result(struct mmc_test_card *test,
+ struct mmc_request *mrq)
+{
+ int ret;
+
+ BUG_ON(!mrq || !mrq->cmd || !mrq->data);
+
+ ret = 0;
+
+ if (!ret && mrq->cmd->error)
+ ret = mrq->cmd->error;
+ if (!ret && mrq->data->error)
+ ret = mrq->data->error;
+ if (!ret && mrq->stop && mrq->stop->error)
+ ret = mrq->stop->error;
+ if (!ret && mrq->data->bytes_xfered !=
+ mrq->data->blocks * mrq->data->blksz)
+ ret = RESULT_FAIL;
+
+ if (ret == -EINVAL)
+ ret = RESULT_UNSUP_HOST;
+
+ return ret;
+}
+
+/*
+ * Checks that a "short transfer" behaved as expected
+ */
+static int mmc_test_check_broken_result(struct mmc_test_card *test,
+ struct mmc_request *mrq)
+{
+ int ret;
+
+ BUG_ON(!mrq || !mrq->cmd || !mrq->data);
+
+ ret = 0;
+
+ if (!ret && mrq->cmd->error)
+ ret = mrq->cmd->error;
+ if (!ret && mrq->data->error == 0)
+ ret = RESULT_FAIL;
+ if (!ret && mrq->data->error != -ETIMEDOUT)
+ ret = mrq->data->error;
+ if (!ret && mrq->stop && mrq->stop->error)
+ ret = mrq->stop->error;
+ if (mrq->data->blocks > 1) {
+ if (!ret && mrq->data->bytes_xfered > mrq->data->blksz)
+ ret = RESULT_FAIL;
+ } else {
+ if (!ret && mrq->data->bytes_xfered > 0)
+ ret = RESULT_FAIL;
+ }
+
+ if (ret == -EINVAL)
+ ret = RESULT_UNSUP_HOST;
+
+ return ret;
+}
+
+/*
+ * Tests a basic transfer with certain parameters
+ */
+static int mmc_test_simple_transfer(struct mmc_test_card *test,
+ struct scatterlist *sg, unsigned sg_len, unsigned dev_addr,
+ unsigned blocks, unsigned blksz, int write)
+{
+ struct mmc_request mrq;
+ struct mmc_command cmd;
+ struct mmc_command stop;
+ struct mmc_data data;
+
+ memset(&mrq, 0, sizeof(struct mmc_request));
+ memset(&cmd, 0, sizeof(struct mmc_command));
+ memset(&data, 0, sizeof(struct mmc_data));
+ memset(&stop, 0, sizeof(struct mmc_command));
+
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+ mrq.stop = &stop;
+
+ mmc_test_prepare_mrq(test, &mrq, sg, sg_len, dev_addr,
+ blocks, blksz, write);
+
+ mmc_wait_for_req(test->card->host, &mrq);
+
+ mmc_test_wait_busy(test);
+
+ return mmc_test_check_result(test, &mrq);
+}
+
+/*
+ * Tests a transfer where the card will fail completely or partly
+ */
+static int mmc_test_broken_transfer(struct mmc_test_card *test,
+ unsigned blocks, unsigned blksz, int write)
+{
+ struct mmc_request mrq;
+ struct mmc_command cmd;
+ struct mmc_command stop;
+ struct mmc_data data;
+
+ struct scatterlist sg;
+
+ memset(&mrq, 0, sizeof(struct mmc_request));
+ memset(&cmd, 0, sizeof(struct mmc_command));
+ memset(&data, 0, sizeof(struct mmc_data));
+ memset(&stop, 0, sizeof(struct mmc_command));
+
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+ mrq.stop = &stop;
+
+ sg_init_one(&sg, test->buffer, blocks * blksz);
+
+ mmc_test_prepare_mrq(test, &mrq, &sg, 1, 0, blocks, blksz, write);
+ mmc_test_prepare_broken_mrq(test, &mrq, write);
+
+ mmc_wait_for_req(test->card->host, &mrq);
+
+ mmc_test_wait_busy(test);
+
+ return mmc_test_check_broken_result(test, &mrq);
+}
+
+/*
+ * Does a complete transfer test where data is also validated
+ *
+ * Note: mmc_test_prepare() must have been done before this call
+ */
+static int mmc_test_transfer(struct mmc_test_card *test,
+ struct scatterlist *sg, unsigned sg_len, unsigned dev_addr,
+ unsigned blocks, unsigned blksz, int write)
+{
+ int ret, i;
+ unsigned long flags;
+
+ BUG_ON(blocks * blksz > BUFFER_SIZE);
if (write) {
for (i = 0;i < blocks * blksz;i++)
- buffer[i] = i;
+ test->scratch[i] = i;
+ } else {
+ memset(test->scratch, 0, blocks * blksz);
}
+ local_irq_save(flags);
+ sg_copy_from_buffer(sg, sg_len, test->scratch, blocks * blksz);
+ local_irq_restore(flags);
ret = mmc_test_set_blksize(test, blksz);
if (ret)
return ret;
- ret = mmc_test_transfer(test, write, buffer, addr, blocks, blksz);
+ ret = mmc_test_simple_transfer(test, sg, sg_len, dev_addr,
+ blocks, blksz, write);
if (ret)
return ret;
if (write) {
+ int sectors;
+
ret = mmc_test_set_blksize(test, 512);
if (ret)
return ret;
@@ -253,9 +426,9 @@ static int mmc_test_verified_transfer(struct mmc_test_card *test, int write,
memset(test->buffer, 0, sectors * 512);
for (i = 0;i < sectors;i++) {
- ret = mmc_test_transfer(test, 0,
+ ret = mmc_test_buffer_transfer(test,
test->buffer + i * 512,
- addr + i * 512, 1, 512);
+ dev_addr + i * 512, 512, 0);
if (ret)
return ret;
}
@@ -270,8 +443,11 @@ static int mmc_test_verified_transfer(struct mmc_test_card *test, int write,
return RESULT_FAIL;
}
} else {
+ local_irq_save(flags);
+ sg_copy_to_buffer(sg, sg_len, test->scratch, blocks * blksz);
+ local_irq_restore(flags);
for (i = 0;i < blocks * blksz;i++) {
- if (buffer[i] != (u8)i)
+ if (test->scratch[i] != (u8)i)
return RESULT_FAIL;
}
}
@@ -279,26 +455,6 @@ static int mmc_test_verified_transfer(struct mmc_test_card *test, int write,
return 0;
}
-static int mmc_test_cleanup_verify(struct mmc_test_card *test)
-{
- int ret, i;
-
- ret = mmc_test_set_blksize(test, 512);
- if (ret)
- return ret;
-
- memset(test->buffer, 0, BUFFER_SIZE);
-
- for (i = 0;i < BUFFER_SIZE / 512;i++) {
- ret = mmc_test_transfer(test, 1, test->buffer + i * 512,
- i * 512, 1, 512);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
/*******************************************************************/
/* Tests */
/*******************************************************************/
@@ -314,12 +470,15 @@ struct mmc_test_case {
static int mmc_test_basic_write(struct mmc_test_card *test)
{
int ret;
+ struct scatterlist sg;
ret = mmc_test_set_blksize(test, 512);
if (ret)
return ret;
- ret = mmc_test_transfer(test, 1, test->buffer, 0, 1, 512);
+ sg_init_one(&sg, test->buffer, 512);
+
+ ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1);
if (ret)
return ret;
@@ -329,12 +488,15 @@ static int mmc_test_basic_write(struct mmc_test_card *test)
static int mmc_test_basic_read(struct mmc_test_card *test)
{
int ret;
+ struct scatterlist sg;
ret = mmc_test_set_blksize(test, 512);
if (ret)
return ret;
- ret = mmc_test_transfer(test, 0, test->buffer, 0, 1, 512);
+ sg_init_one(&sg, test->buffer, 512);
+
+ ret = mmc_test_simple_transfer(test, &sg, 1, 0, 1, 512, 1);
if (ret)
return ret;
@@ -344,8 +506,11 @@ static int mmc_test_basic_read(struct mmc_test_card *test)
static int mmc_test_verify_write(struct mmc_test_card *test)
{
int ret;
+ struct scatterlist sg;
+
+ sg_init_one(&sg, test->buffer, 512);
- ret = mmc_test_verified_transfer(test, 1, test->buffer, 0, 1, 512);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1);
if (ret)
return ret;
@@ -355,8 +520,11 @@ static int mmc_test_verify_write(struct mmc_test_card *test)
static int mmc_test_verify_read(struct mmc_test_card *test)
{
int ret;
+ struct scatterlist sg;
- ret = mmc_test_verified_transfer(test, 0, test->buffer, 0, 1, 512);
+ sg_init_one(&sg, test->buffer, 512);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0);
if (ret)
return ret;
@@ -367,6 +535,7 @@ static int mmc_test_multi_write(struct mmc_test_card *test)
{
int ret;
unsigned int size;
+ struct scatterlist sg;
if (test->card->host->max_blk_count == 1)
return RESULT_UNSUP_HOST;
@@ -379,8 +548,9 @@ static int mmc_test_multi_write(struct mmc_test_card *test)
if (size < 1024)
return RESULT_UNSUP_HOST;
- ret = mmc_test_verified_transfer(test, 1, test->buffer, 0,
- size / 512, 512);
+ sg_init_one(&sg, test->buffer, size);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1);
if (ret)
return ret;
@@ -391,6 +561,7 @@ static int mmc_test_multi_read(struct mmc_test_card *test)
{
int ret;
unsigned int size;
+ struct scatterlist sg;
if (test->card->host->max_blk_count == 1)
return RESULT_UNSUP_HOST;
@@ -403,8 +574,9 @@ static int mmc_test_multi_read(struct mmc_test_card *test)
if (size < 1024)
return RESULT_UNSUP_HOST;
- ret = mmc_test_verified_transfer(test, 0, test->buffer, 0,
- size / 512, 512);
+ sg_init_one(&sg, test->buffer, size);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0);
if (ret)
return ret;
@@ -414,13 +586,14 @@ static int mmc_test_multi_read(struct mmc_test_card *test)
static int mmc_test_pow2_write(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
if (!test->card->csd.write_partial)
return RESULT_UNSUP_CARD;
for (i = 1; i < 512;i <<= 1) {
- ret = mmc_test_verified_transfer(test, 1,
- test->buffer, 0, 1, i);
+ sg_init_one(&sg, test->buffer, i);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1);
if (ret)
return ret;
}
@@ -431,13 +604,14 @@ static int mmc_test_pow2_write(struct mmc_test_card *test)
static int mmc_test_pow2_read(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
if (!test->card->csd.read_partial)
return RESULT_UNSUP_CARD;
for (i = 1; i < 512;i <<= 1) {
- ret = mmc_test_verified_transfer(test, 0,
- test->buffer, 0, 1, i);
+ sg_init_one(&sg, test->buffer, i);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0);
if (ret)
return ret;
}
@@ -448,13 +622,14 @@ static int mmc_test_pow2_read(struct mmc_test_card *test)
static int mmc_test_weird_write(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
if (!test->card->csd.write_partial)
return RESULT_UNSUP_CARD;
for (i = 3; i < 512;i += 7) {
- ret = mmc_test_verified_transfer(test, 1,
- test->buffer, 0, 1, i);
+ sg_init_one(&sg, test->buffer, i);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 1);
if (ret)
return ret;
}
@@ -465,13 +640,14 @@ static int mmc_test_weird_write(struct mmc_test_card *test)
static int mmc_test_weird_read(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
if (!test->card->csd.read_partial)
return RESULT_UNSUP_CARD;
for (i = 3; i < 512;i += 7) {
- ret = mmc_test_verified_transfer(test, 0,
- test->buffer, 0, 1, i);
+ sg_init_one(&sg, test->buffer, i);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, i, 0);
if (ret)
return ret;
}
@@ -482,10 +658,11 @@ static int mmc_test_weird_read(struct mmc_test_card *test)
static int mmc_test_align_write(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
for (i = 1;i < 4;i++) {
- ret = mmc_test_verified_transfer(test, 1, test->buffer + i,
- 0, 1, 512);
+ sg_init_one(&sg, test->buffer + i, 512);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1);
if (ret)
return ret;
}
@@ -496,10 +673,11 @@ static int mmc_test_align_write(struct mmc_test_card *test)
static int mmc_test_align_read(struct mmc_test_card *test)
{
int ret, i;
+ struct scatterlist sg;
for (i = 1;i < 4;i++) {
- ret = mmc_test_verified_transfer(test, 0, test->buffer + i,
- 0, 1, 512);
+ sg_init_one(&sg, test->buffer + i, 512);
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0);
if (ret)
return ret;
}
@@ -511,6 +689,7 @@ static int mmc_test_align_multi_write(struct mmc_test_card *test)
{
int ret, i;
unsigned int size;
+ struct scatterlist sg;
if (test->card->host->max_blk_count == 1)
return RESULT_UNSUP_HOST;
@@ -524,8 +703,8 @@ static int mmc_test_align_multi_write(struct mmc_test_card *test)
return RESULT_UNSUP_HOST;
for (i = 1;i < 4;i++) {
- ret = mmc_test_verified_transfer(test, 1, test->buffer + i,
- 0, size / 512, 512);
+ sg_init_one(&sg, test->buffer + i, size);
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1);
if (ret)
return ret;
}
@@ -537,6 +716,7 @@ static int mmc_test_align_multi_read(struct mmc_test_card *test)
{
int ret, i;
unsigned int size;
+ struct scatterlist sg;
if (test->card->host->max_blk_count == 1)
return RESULT_UNSUP_HOST;
@@ -550,8 +730,8 @@ static int mmc_test_align_multi_read(struct mmc_test_card *test)
return RESULT_UNSUP_HOST;
for (i = 1;i < 4;i++) {
- ret = mmc_test_verified_transfer(test, 0, test->buffer + i,
- 0, size / 512, 512);
+ sg_init_one(&sg, test->buffer + i, size);
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0);
if (ret)
return ret;
}
@@ -567,7 +747,7 @@ static int mmc_test_xfersize_write(struct mmc_test_card *test)
if (ret)
return ret;
- ret = __mmc_test_transfer(test, 1, 1, test->buffer, 0, 1, 512);
+ ret = mmc_test_broken_transfer(test, 1, 512, 1);
if (ret)
return ret;
@@ -582,7 +762,7 @@ static int mmc_test_xfersize_read(struct mmc_test_card *test)
if (ret)
return ret;
- ret = __mmc_test_transfer(test, 0, 1, test->buffer, 0, 1, 512);
+ ret = mmc_test_broken_transfer(test, 1, 512, 0);
if (ret)
return ret;
@@ -600,7 +780,7 @@ static int mmc_test_multi_xfersize_write(struct mmc_test_card *test)
if (ret)
return ret;
- ret = __mmc_test_transfer(test, 1, 1, test->buffer, 0, 2, 512);
+ ret = mmc_test_broken_transfer(test, 2, 512, 1);
if (ret)
return ret;
@@ -618,13 +798,164 @@ static int mmc_test_multi_xfersize_read(struct mmc_test_card *test)
if (ret)
return ret;
- ret = __mmc_test_transfer(test, 0, 1, test->buffer, 0, 2, 512);
+ ret = mmc_test_broken_transfer(test, 2, 512, 0);
if (ret)
return ret;
return 0;
}
+static int mmc_test_bigsg_write(struct mmc_test_card *test)
+{
+ int ret;
+ unsigned int size;
+ struct scatterlist sg;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ memset(test->buffer, 0, BUFFER_SIZE);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ sg_init_table(&sg, 1);
+ sg_init_one(&sg, test->buffer, BUFFER_SIZE);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_bigsg_read(struct mmc_test_card *test)
+{
+ int ret, i;
+ unsigned int size;
+ struct scatterlist sg;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ memset(test->buffer, 0xCD, BUFFER_SIZE);
+
+ sg_init_table(&sg, 1);
+ sg_init_one(&sg, test->buffer, BUFFER_SIZE);
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0);
+ if (ret)
+ return ret;
+
+ /* mmc_test_transfer() doesn't check for read overflows */
+ for (i = size;i < BUFFER_SIZE;i++) {
+ if (test->buffer[i] != 0xCD)
+ return RESULT_FAIL;
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_HIGHMEM
+
+static int mmc_test_write_high(struct mmc_test_card *test)
+{
+ int ret;
+ struct scatterlist sg;
+
+ sg_init_table(&sg, 1);
+ sg_set_page(&sg, test->highmem, 512, 0);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 1);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_read_high(struct mmc_test_card *test)
+{
+ int ret;
+ struct scatterlist sg;
+
+ sg_init_table(&sg, 1);
+ sg_set_page(&sg, test->highmem, 512, 0);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, 1, 512, 0);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_write_high(struct mmc_test_card *test)
+{
+ int ret;
+ unsigned int size;
+ struct scatterlist sg;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ sg_init_table(&sg, 1);
+ sg_set_page(&sg, test->highmem, size, 0);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 1);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_read_high(struct mmc_test_card *test)
+{
+ int ret;
+ unsigned int size;
+ struct scatterlist sg;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ sg_init_table(&sg, 1);
+ sg_set_page(&sg, test->highmem, size, 0);
+
+ ret = mmc_test_transfer(test, &sg, 1, 0, size/512, 512, 0);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+#endif /* CONFIG_HIGHMEM */
+
static const struct mmc_test_case mmc_test_cases[] = {
{
.name = "Basic write (no data verification)",
@@ -638,86 +969,86 @@ static const struct mmc_test_case mmc_test_cases[] = {
{
.name = "Basic write (with data verification)",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_verify_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Basic read (with data verification)",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_verify_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Multi-block write",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_multi_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Multi-block read",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_multi_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Power of two block writes",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_pow2_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Power of two block reads",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_pow2_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Weird sized block writes",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_weird_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Weird sized block reads",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_weird_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Badly aligned write",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_align_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Badly aligned read",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_align_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Badly aligned multi-block write",
- .prepare = mmc_test_prepare_verify_write,
+ .prepare = mmc_test_prepare_write,
.run = mmc_test_align_multi_write,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
.name = "Badly aligned multi-block read",
- .prepare = mmc_test_prepare_verify_read,
+ .prepare = mmc_test_prepare_read,
.run = mmc_test_align_multi_read,
- .cleanup = mmc_test_cleanup_verify,
+ .cleanup = mmc_test_cleanup,
},
{
@@ -739,11 +1070,58 @@ static const struct mmc_test_case mmc_test_cases[] = {
.name = "Correct xfer_size at read (midway failure)",
.run = mmc_test_multi_xfersize_read,
},
+
+ {
+ .name = "Over-sized SG list write",
+ .prepare = mmc_test_prepare_write,
+ .run = mmc_test_bigsg_write,
+ .cleanup = mmc_test_cleanup,
+ },
+
+ {
+ .name = "Over-sized SG list read",
+ .prepare = mmc_test_prepare_read,
+ .run = mmc_test_bigsg_read,
+ .cleanup = mmc_test_cleanup,
+ },
+
+#ifdef CONFIG_HIGHMEM
+
+ {
+ .name = "Highmem write",
+ .prepare = mmc_test_prepare_write,
+ .run = mmc_test_write_high,
+ .cleanup = mmc_test_cleanup,
+ },
+
+ {
+ .name = "Highmem read",
+ .prepare = mmc_test_prepare_read,
+ .run = mmc_test_read_high,
+ .cleanup = mmc_test_cleanup,
+ },
+
+ {
+ .name = "Multi-block highmem write",
+ .prepare = mmc_test_prepare_write,
+ .run = mmc_test_multi_write_high,
+ .cleanup = mmc_test_cleanup,
+ },
+
+ {
+ .name = "Multi-block highmem read",
+ .prepare = mmc_test_prepare_read,
+ .run = mmc_test_multi_read_high,
+ .cleanup = mmc_test_cleanup,
+ },
+
+#endif /* CONFIG_HIGHMEM */
+
};
static struct mutex mmc_test_lock;
-static void mmc_test_run(struct mmc_test_card *test)
+static void mmc_test_run(struct mmc_test_card *test, int testcase)
{
int i, ret;
@@ -753,6 +1131,9 @@ static void mmc_test_run(struct mmc_test_card *test)
mmc_claim_host(test->card->host);
for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) {
+ if (testcase && ((i + 1) != testcase))
+ continue;
+
printk(KERN_INFO "%s: Test case %d. %s...\n",
mmc_hostname(test->card->host), i + 1,
mmc_test_cases[i].name);
@@ -824,9 +1205,12 @@ static ssize_t mmc_test_store(struct device *dev,
{
struct mmc_card *card;
struct mmc_test_card *test;
+ int testcase;
card = container_of(dev, struct mmc_card, dev);
+ testcase = simple_strtol(buf, NULL, 10);
+
test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL);
if (!test)
return -ENOMEM;
@@ -834,12 +1218,23 @@ static ssize_t mmc_test_store(struct device *dev,
test->card = card;
test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL);
+#ifdef CONFIG_HIGHMEM
+ test->highmem = alloc_pages(GFP_KERNEL | __GFP_HIGHMEM, BUFFER_ORDER);
+#endif
+
+#ifdef CONFIG_HIGHMEM
+ if (test->buffer && test->highmem) {
+#else
if (test->buffer) {
+#endif
mutex_lock(&mmc_test_lock);
- mmc_test_run(test);
+ mmc_test_run(test, testcase);
mutex_unlock(&mmc_test_lock);
}
+#ifdef CONFIG_HIGHMEM
+ __free_pages(test->highmem, BUFFER_ORDER);
+#endif
kfree(test->buffer);
kfree(test);
@@ -852,12 +1247,17 @@ static int mmc_test_probe(struct mmc_card *card)
{
int ret;
+ if ((card->type != MMC_TYPE_MMC) && (card->type != MMC_TYPE_SD))
+ return -ENODEV;
+
mutex_init(&mmc_test_lock);
ret = device_create_file(&card->dev, &dev_attr_test);
if (ret)
return ret;
+ dev_info(&card->dev, "Card claimed for testing.\n");
+
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 12:28:50 +0000