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author | Wan Zongshun <Vincent.Wan@amd.com> | 2016-04-01 09:06:00 -0400 |
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committer | Joerg Roedel <jroedel@suse.de> | 2016-04-07 13:29:41 +0200 |
commit | 2a0cb4e2d423c8aeafa79945279246f6b35ea8cf (patch) | |
tree | 329282c4b447c3956380ae0ba82a627cf5e98943 /drivers/iommu/amd_iommu_types.h | |
parent | 8c7142f56fedfc6824b5bca56fee1f443e01746b (diff) | |
download | linux-stable-2a0cb4e2d423c8aeafa79945279246f6b35ea8cf.tar.gz linux-stable-2a0cb4e2d423c8aeafa79945279246f6b35ea8cf.tar.bz2 linux-stable-2a0cb4e2d423c8aeafa79945279246f6b35ea8cf.zip |
iommu/amd: Add new map for storing IVHD dev entry type HID
This patch introduces acpihid_map, which is used to store
the new IVHD device entry extracted from BIOS IVRS table.
It also provides a utility function add_acpi_hid_device(),
to add this types of devices to the map.
Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu_types.h')
-rw-r--r-- | drivers/iommu/amd_iommu_types.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 9d32b20a5e9a..b6b14d288b0b 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -527,6 +527,19 @@ struct amd_iommu { #endif }; +#define ACPIHID_UID_LEN 256 +#define ACPIHID_HID_LEN 9 + +struct acpihid_map_entry { + struct list_head list; + u8 uid[ACPIHID_UID_LEN]; + u8 hid[ACPIHID_HID_LEN]; + u16 devid; + u16 root_devid; + bool cmd_line; + struct iommu_group *group; +}; + struct devid_map { struct list_head list; u8 id; @@ -537,6 +550,7 @@ struct devid_map { /* Map HPET and IOAPIC ids to the devid used by the IOMMU */ extern struct list_head ioapic_map; extern struct list_head hpet_map; +extern struct list_head acpihid_map; /* * List with all IOMMUs in the system. This list is not locked because it is |