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Re: [Qemu-devel] [PATCH v6 24/29] bios-tables-test: Drop dependence on g
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v6 24/29] bios-tables-test: Drop dependence on global_qtest |
Date: |
Fri, 8 Sep 2017 15:49:06 +0300 |
On Fri, Sep 01, 2017 at 01:03:35PM -0500, Eric Blake wrote:
> As a general rule, we prefer avoiding implicit global state
> because it makes code harder to safely copy and paste without
> thinking about the global state. Although bios-tables-test does
> not maintain parallel qtest connections, it's just as easy to be
> explicit about the state; once all tests have been cleaned up, a
> later patch can then get rid of global_qtest and a layer of
> wrappers in libqtest.
>
> Signed-off-by: Eric Blake <address@hidden>
Acked-by: Michael S. Tsirkin <address@hidden>
> ---
> tests/bios-tables-test.c | 78
> +++++++++++++++++++++++++-----------------------
> 1 file changed, 40 insertions(+), 38 deletions(-)
>
> diff --git a/tests/bios-tables-test.c b/tests/bios-tables-test.c
> index 75b29df493..976792f2c5 100644
> --- a/tests/bios-tables-test.c
> +++ b/tests/bios-tables-test.c
> @@ -38,6 +38,7 @@ typedef struct {
> struct smbios_21_entry_point smbios_ep_table;
> uint8_t *required_struct_types;
> int required_struct_types_len;
> + QTestState *qts;
> } test_data;
>
> static char disk[] = "tests/acpi-test-disk-XXXXXX";
> @@ -77,7 +78,7 @@ static void free_test_data(test_data *data)
>
> static void test_acpi_rsdp_address(test_data *data)
> {
> - uint32_t off = acpi_find_rsdp_address(global_qtest);
> + uint32_t off = acpi_find_rsdp_address(data->qts);
> g_assert_cmphex(off, <, 0x100000);
> data->rsdp_addr = off;
> }
> @@ -87,7 +88,7 @@ static void test_acpi_rsdp_table(test_data *data)
> AcpiRsdpDescriptor *rsdp_table = &data->rsdp_table;
> uint32_t addr = data->rsdp_addr;
>
> - acpi_parse_rsdp_table(global_qtest, addr, rsdp_table);
> + acpi_parse_rsdp_table(data->qts, addr, rsdp_table);
>
> /* rsdp checksum is not for the whole table, but for the first 20 bytes
> */
> g_assert(!acpi_calc_checksum((uint8_t *)rsdp_table, 20));
> @@ -102,7 +103,7 @@ static void test_acpi_rsdt_table(test_data *data)
> uint8_t checksum;
>
> /* read the header */
> - ACPI_READ_TABLE_HEADER(global_qtest, rsdt_table, addr);
> + ACPI_READ_TABLE_HEADER(data->qts, rsdt_table, addr);
> ACPI_ASSERT_CMP(rsdt_table->signature, "RSDT");
>
> /* compute the table entries in rsdt */
> @@ -112,7 +113,7 @@ static void test_acpi_rsdt_table(test_data *data)
>
> /* get the addresses of the tables pointed by rsdt */
> tables = g_new0(uint32_t, tables_nr);
> - ACPI_READ_ARRAY_PTR(global_qtest, tables, tables_nr, addr);
> + ACPI_READ_ARRAY_PTR(data->qts, tables, tables_nr, addr);
>
> checksum = acpi_calc_checksum((uint8_t *)rsdt_table, rsdt_table->length)
> +
> acpi_calc_checksum((uint8_t *)tables,
> @@ -128,7 +129,7 @@ static void test_acpi_fadt_table(test_data *data)
> {
> AcpiFadtDescriptorRev3 *fadt_table = &data->fadt_table;
> uint32_t addr;
> - QTestState *qts = global_qtest;
> + QTestState *qts = data->qts;
>
> /* FADT table comes first */
> addr = data->rsdt_tables_addr[0];
> @@ -196,26 +197,27 @@ static void test_acpi_facs_table(test_data *data)
> AcpiFacsDescriptorRev1 *facs_table = &data->facs_table;
> uint32_t addr = data->fadt_table.firmware_ctrl;
>
> - ACPI_READ_FIELD(global_qtest, facs_table->signature, addr);
> - ACPI_READ_FIELD(global_qtest, facs_table->length, addr);
> - ACPI_READ_FIELD(global_qtest, facs_table->hardware_signature, addr);
> - ACPI_READ_FIELD(global_qtest, facs_table->firmware_waking_vector, addr);
> - ACPI_READ_FIELD(global_qtest, facs_table->global_lock, addr);
> - ACPI_READ_FIELD(global_qtest, facs_table->flags, addr);
> - ACPI_READ_ARRAY(global_qtest, facs_table->resverved3, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->signature, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->length, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->hardware_signature, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->firmware_waking_vector, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->global_lock, addr);
> + ACPI_READ_FIELD(data->qts, facs_table->flags, addr);
> + ACPI_READ_ARRAY(data->qts, facs_table->resverved3, addr);
>
> ACPI_ASSERT_CMP(facs_table->signature, "FACS");
> }
>
> -static void test_dst_table(AcpiSdtTable *sdt_table, uint32_t addr)
> +static void test_dst_table(test_data *data, AcpiSdtTable *sdt_table,
> + uint32_t addr)
> {
> uint8_t checksum;
>
> - ACPI_READ_TABLE_HEADER(global_qtest, &sdt_table->header, addr);
> + ACPI_READ_TABLE_HEADER(data->qts, &sdt_table->header, addr);
>
> sdt_table->aml_len = sdt_table->header.length - sizeof(AcpiTableHeader);
> sdt_table->aml = g_malloc0(sdt_table->aml_len);
> - ACPI_READ_ARRAY_PTR(global_qtest, sdt_table->aml, sdt_table->aml_len,
> addr);
> + ACPI_READ_ARRAY_PTR(data->qts, sdt_table->aml, sdt_table->aml_len, addr);
>
> checksum = acpi_calc_checksum((uint8_t *)sdt_table,
> sizeof(AcpiTableHeader)) +
> @@ -232,7 +234,7 @@ static void test_acpi_dsdt_table(test_data *data)
> memset(&dsdt_table, 0, sizeof(dsdt_table));
> data->tables = g_array_new(false, true, sizeof(AcpiSdtTable));
>
> - test_dst_table(&dsdt_table, addr);
> + test_dst_table(data, &dsdt_table, addr);
> ACPI_ASSERT_CMP(dsdt_table.header.signature, "DSDT");
>
> /* Place DSDT first */
> @@ -249,7 +251,7 @@ static void test_acpi_tables(test_data *data)
>
> memset(&ssdt_table, 0, sizeof(ssdt_table));
> uint32_t addr = data->rsdt_tables_addr[i + 1]; /* fadt is first */
> - test_dst_table(&ssdt_table, addr);
> + test_dst_table(data, &ssdt_table, addr);
> g_array_append_val(data->tables, ssdt_table);
> }
> }
> @@ -493,32 +495,32 @@ static bool smbios_ep_table_ok(test_data *data)
> struct smbios_21_entry_point *ep_table = &data->smbios_ep_table;
> uint32_t addr = data->smbios_ep_addr;
>
> - ACPI_READ_ARRAY(global_qtest, ep_table->anchor_string, addr);
> + ACPI_READ_ARRAY(data->qts, ep_table->anchor_string, addr);
> if (memcmp(ep_table->anchor_string, "_SM_", 4)) {
> return false;
> }
> - ACPI_READ_FIELD(global_qtest, ep_table->checksum, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->length, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->smbios_major_version, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->smbios_minor_version, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->max_structure_size, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->entry_point_revision, addr);
> - ACPI_READ_ARRAY(global_qtest, ep_table->formatted_area, addr);
> - ACPI_READ_ARRAY(global_qtest, ep_table->intermediate_anchor_string,
> addr);
> + ACPI_READ_FIELD(data->qts, ep_table->checksum, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->length, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->smbios_major_version, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->smbios_minor_version, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->max_structure_size, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->entry_point_revision, addr);
> + ACPI_READ_ARRAY(data->qts, ep_table->formatted_area, addr);
> + ACPI_READ_ARRAY(data->qts, ep_table->intermediate_anchor_string, addr);
> if (memcmp(ep_table->intermediate_anchor_string, "_DMI_", 5)) {
> return false;
> }
> - ACPI_READ_FIELD(global_qtest, ep_table->intermediate_checksum, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->structure_table_length, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->intermediate_checksum, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->structure_table_length, addr);
> if (ep_table->structure_table_length == 0) {
> return false;
> }
> - ACPI_READ_FIELD(global_qtest, ep_table->structure_table_address, addr);
> - ACPI_READ_FIELD(global_qtest, ep_table->number_of_structures, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->structure_table_address, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->number_of_structures, addr);
> if (ep_table->number_of_structures == 0) {
> return false;
> }
> - ACPI_READ_FIELD(global_qtest, ep_table->smbios_bcd_revision, addr);
> + ACPI_READ_FIELD(data->qts, ep_table->smbios_bcd_revision, addr);
> if (acpi_calc_checksum((uint8_t *)ep_table, sizeof *ep_table) ||
> acpi_calc_checksum((uint8_t *)ep_table + 0x10,
> sizeof *ep_table - 0x10)) {
> @@ -537,7 +539,7 @@ static void test_smbios_entry_point(test_data *data)
> int i;
>
> for (i = 0; i < sizeof sig - 1; ++i) {
> - sig[i] = readb(off + i);
> + sig[i] = qtest_readb(data->qts, off + i);
> }
>
> if (!memcmp(sig, "_SM_", sizeof sig)) {
> @@ -580,9 +582,9 @@ static void test_smbios_structs(test_data *data)
> for (i = 0; i < ep_table->number_of_structures; i++) {
>
> /* grab type and formatted area length from struct header */
> - type = readb(addr);
> + type = qtest_readb(data->qts, addr);
> g_assert_cmpuint(type, <=, SMBIOS_MAX_TYPE);
> - len = readb(addr + 1);
> + len = qtest_readb(data->qts, addr + 1);
>
> /* single-instance structs must not have been encountered before */
> if (smbios_single_instance(type)) {
> @@ -594,7 +596,7 @@ static void test_smbios_structs(test_data *data)
> prv = crt = 1;
> while (prv || crt) {
> prv = crt;
> - crt = readb(addr + len);
> + crt = qtest_readb(data->qts, addr + len);
> len++;
> }
>
> @@ -631,9 +633,9 @@ static void test_acpi_one(const char *params, test_data
> *data)
> data->machine, "kvm:tcg",
> params ? params : "", disk);
>
> - qtest_start(args);
> + data->qts = qtest_init(args);
>
> - boot_sector_test(global_qtest);
> + boot_sector_test(data->qts);
>
> test_acpi_rsdp_address(data);
> test_acpi_rsdp_table(data);
> @@ -654,7 +656,7 @@ static void test_acpi_one(const char *params, test_data
> *data)
> test_smbios_entry_point(data);
> test_smbios_structs(data);
>
> - qtest_quit(global_qtest);
> + qtest_quit(data->qts);
> g_free(args);
> }
>
> --
> 2.13.5
>
[Qemu-devel] [PATCH v6 26/29] fw_cfg-test: Drop dependence on global_qtest, Eric Blake, 2017/09/01