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Commit 85d3fa02 authored by Dan Williams's avatar Dan Williams
Browse files

tools/testing/nvdimm: simulate multiple flush hints per-dimm 



Sample nfit data to test the kernel's handling of the multiple
flush-hint case.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent e5ae3b25

tools/testing/nvdimm/test/nfit.c

+33 −22
Original line number Diff line number Diff line
@@ -98,6 +98,7 @@ 
enum {

	NUM_PM  = 3,

	NUM_DCR = 5,

	NUM_HINTS = 8,

	NUM_BDW = NUM_DCR,

	NUM_SPA = NUM_PM + NUM_DCR + NUM_BDW,

	NUM_MEM = NUM_DCR + NUM_BDW + 2 /* spa0 iset */ + 4 /* spa1 iset */,
@@ -569,7 +570,8 @@ static int nfit_test0_alloc(struct nfit_test *t) 
			+ offsetof(struct acpi_nfit_control_region,

					window_size) * NUM_DCR

			+ sizeof(struct acpi_nfit_data_region) * NUM_BDW

			+ sizeof(struct acpi_nfit_flush_address) * NUM_DCR;

			+ (sizeof(struct acpi_nfit_flush_address)

					+ sizeof(u64) * NUM_HINTS) * NUM_DCR;

	int i;



	t->nfit_buf = test_alloc(t, nfit_size, &t->nfit_dma);
@@ -599,7 +601,8 @@ static int nfit_test0_alloc(struct nfit_test *t) 
			return -ENOMEM;

		sprintf(t->label[i], "label%d", i);



		t->flush[i] = test_alloc(t, 8, &t->flush_dma[i]);

		t->flush[i] = test_alloc(t, sizeof(u64) * NUM_HINTS,

				&t->flush_dma[i]);

		if (!t->flush[i])

			return -ENOMEM;

	}
@@ -633,6 +636,8 @@ static int nfit_test1_alloc(struct nfit_test *t) 


static void nfit_test0_setup(struct nfit_test *t)

{

	const int flush_hint_size = sizeof(struct acpi_nfit_flush_address)

		+ (sizeof(u64) * NUM_HINTS);

	struct acpi_nfit_desc *acpi_desc;

	struct acpi_nfit_memory_map *memdev;

	void *nfit_buf = t->nfit_buf;
@@ -640,7 +645,7 @@ static void nfit_test0_setup(struct nfit_test *t) 
	struct acpi_nfit_control_region *dcr;

	struct acpi_nfit_data_region *bdw;

	struct acpi_nfit_flush_address *flush;

	unsigned int offset;

	unsigned int offset, i;



	/*

	 * spa0 (interleave first half of dimm0 and dimm1, note storage
@@ -1126,37 +1131,41 @@ static void nfit_test0_setup(struct nfit_test *t) 
	/* flush0 (dimm0) */

	flush = nfit_buf + offset;

	flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS;

	flush->header.length = sizeof(struct acpi_nfit_flush_address);

	flush->header.length = flush_hint_size;

	flush->device_handle = handle[0];

	flush->hint_count = 1;

	flush->hint_address[0] = t->flush_dma[0];

	flush->hint_count = NUM_HINTS;

	for (i = 0; i < NUM_HINTS; i++)

		flush->hint_address[i] = t->flush_dma[0] + i * sizeof(u64);



	/* flush1 (dimm1) */

	flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 1;

	flush = nfit_buf + offset + flush_hint_size * 1;

	flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS;

	flush->header.length = sizeof(struct acpi_nfit_flush_address);

	flush->header.length = flush_hint_size;

	flush->device_handle = handle[1];

	flush->hint_count = 1;

	flush->hint_address[0] = t->flush_dma[1];

	flush->hint_count = NUM_HINTS;

	for (i = 0; i < NUM_HINTS; i++)

		flush->hint_address[i] = t->flush_dma[1] + i * sizeof(u64);



	/* flush2 (dimm2) */

	flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 2;

	flush = nfit_buf + offset + flush_hint_size  * 2;

	flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS;

	flush->header.length = sizeof(struct acpi_nfit_flush_address);

	flush->header.length = flush_hint_size;

	flush->device_handle = handle[2];

	flush->hint_count = 1;

	flush->hint_address[0] = t->flush_dma[2];

	flush->hint_count = NUM_HINTS;

	for (i = 0; i < NUM_HINTS; i++)

		flush->hint_address[i] = t->flush_dma[2] + i * sizeof(u64);



	/* flush3 (dimm3) */

	flush = nfit_buf + offset + sizeof(struct acpi_nfit_flush_address) * 3;

	flush = nfit_buf + offset + flush_hint_size * 3;

	flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS;

	flush->header.length = sizeof(struct acpi_nfit_flush_address);

	flush->header.length = flush_hint_size;

	flush->device_handle = handle[3];

	flush->hint_count = 1;

	flush->hint_address[0] = t->flush_dma[3];

	flush->hint_count = NUM_HINTS;

	for (i = 0; i < NUM_HINTS; i++)

		flush->hint_address[i] = t->flush_dma[3] + i * sizeof(u64);



	if (t->setup_hotplug) {

		offset = offset + sizeof(struct acpi_nfit_flush_address) * 4;

		offset = offset + flush_hint_size * 4;

		/* dcr-descriptor4: blk */

		dcr = nfit_buf + offset;

		dcr->header.type = ACPI_NFIT_TYPE_CONTROL_REGION;
@@ -1285,10 +1294,12 @@ static void nfit_test0_setup(struct nfit_test *t) 
		/* flush3 (dimm4) */

		flush = nfit_buf + offset;

		flush->header.type = ACPI_NFIT_TYPE_FLUSH_ADDRESS;

		flush->header.length = sizeof(struct acpi_nfit_flush_address);

		flush->header.length = flush_hint_size;

		flush->device_handle = handle[4];

		flush->hint_count = 1;

		flush->hint_address[0] = t->flush_dma[4];

		flush->hint_count = NUM_HINTS;

		for (i = 0; i < NUM_HINTS; i++)

			flush->hint_address[i] = t->flush_dma[4]

				+ i * sizeof(u64);

	}



	post_ars_status(&t->ars_state, t->spa_set_dma[0], SPA0_SIZE);