Add processing for IOCTL command ISST_IF_GET_PHY_ID. This converts from the Linux logical CPU to PUNIT CPU numbering scheme.
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| @@ -36,6 +36,34 @@ struct isst_if_platform_info { · 35 unmodified lines | |||
| 36 | __u8 mmio_supported; | 36 | __u8 mmio_supported; |
| 37 | }; | 37 | }; |
| 38 | 38 | ||
| 39 | /** | ||
| 40 | * struct isst_if_cpu_map - CPU mapping between logical and physical CPU | ||
| 41 | * @logical_cpu: Linux logical CPU number | ||
| 42 | * @physical_cpu: PUNIT CPU number | ||
| 43 | * | ||
| 44 | * Used to convert from Linux logical CPU to PUNIT CPU numbering scheme. | ||
| 45 | * The PUNIT CPU number is different than APIC ID based CPU numbering. | ||
| 46 | */ | ||
| 47 | struct isst_if_cpu_map { | ||
| 48 | __u32 logical_cpu; | ||
| 49 | __u32 physical_cpu; | ||
| 50 | }; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * struct isst_if_cpu_maps - structure for CPU map IOCTL | ||
| 54 | * @cmd_count: Number of CPU mapping command in cpu_map[] | ||
| 55 | * @cpu_map[]: Holds one or more CPU map data structure | ||
| 56 | * | ||
| 57 | * This structure used with ioctl ISST_IF_GET_PHY_ID to send | ||
| 58 | * one or more CPU mapping commands. Here IOCTL return value indicates | ||
| 59 | * number of commands sent or error number if no commands have been sent. | ||
| 60 | */ | ||
| 61 | struct isst_if_cpu_maps { | ||
| 62 | __u32 cmd_count; | ||
| 63 | struct isst_if_cpu_map cpu_map[1]; | ||
| 64 | }; | ||
| 65 | |||
| 39 | #define ISST_IF_MAGIC 0xFE | 66 | #define ISST_IF_MAGIC 0xFE |
| 40 | #define ISST_IF_GET_PLATFORM_INFO _IOR(ISST_IF_MAGIC, 0, struct isst_if_platform_info *) | 67 | #define ISST_IF_GET_PLATFORM_INFO _IOR(ISST_IF_MAGIC, 0, struct isst_if_platform_info *) |
| 68 | #define ISST_IF_GET_PHY_ID _IOWR(ISST_IF_MAGIC, 1, struct isst_if_cpu_map *) | ||
| 41 | #endif | 69 | #endif |