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acpi: Add support for DMAR

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The DMA Remapping Reporting (DMAR) table contains information about DMA
remapping.

Add a version simple version of this table with only the minimum fields
filled out. i.e. no entries.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
This commit is contained in:
Simon Glass
2020-04-08 16:57:39 -06:00
committed by Bin Meng
parent 91fe8b79f6
commit bfeb5d460c
3 changed files with 101 additions and 0 deletions
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16
test/dm/acpi.c
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@@ -67,3 +67,19 @@ static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
}
DM_TEST(dm_test_acpi_get_table_revision,
DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Temporary change to ensure bisectability */
#ifndef CONFIG_SANDBOX
/* Test acpi_create_dmar() */
static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
{
struct acpi_dmar dmar;
ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
ut_asserteq(32 - 1, dmar.host_address_width);
return 0;
}
DM_TEST(dm_test_acpi_create_dmar, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
#endif