+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;
+}
+