projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a8b2c436 CS |
1 | #ifndef LINUX_POWERPC_PERF_HV_24X7_H_ |
| 2 | #define LINUX_POWERPC_PERF_HV_24X7_H_ | |
| 3 | ||
| 4 | #include <linux/types.h> | |
| 5 | ||
| 5c5cd7b5 CS |
6 | enum hv_perf_domains { |
| 7 | #define DOMAIN(n, v, x, c) HV_PERF_DOMAIN_##n = v, | |
| 8 | #include "hv-24x7-domains.h" | |
| 9 | #undef DOMAIN | |
| 10 | }; | |
| 11 | ||
| a8b2c436 CS |
12 | struct hv_24x7_request { |
| 13 | /* PHYSICAL domains require enabling via phyp/hmc. */ | |
| a8b2c436 CS |
14 | __u8 performance_domain; |
| 15 | __u8 reserved[0x1]; | |
| 16 | ||
| 17 | /* bytes to read starting at @data_offset. must be a multiple of 8 */ | |
| 18 | __be16 data_size; | |
| 19 | ||
| 20 | /* | |
| 21 | * byte offset within the perf domain to read from. must be 8 byte | |
| 22 | * aligned | |
| 23 | */ | |
| 24 | __be32 data_offset; | |
| 25 | ||
| 26 | /* | |
| 27 | * only valid for VIRTUAL_PROCESSOR domains, ignored for others. | |
| 28 | * -1 means "current partition only" | |
| 29 | * Enabling via phyp/hmc required for non-"-1" values. 0 forbidden | |
| 30 | * unless requestor is 0. | |
| 31 | */ | |
| 32 | __be16 starting_lpar_ix; | |
| 33 | ||
| 34 | /* | |
| 35 | * Ignored when @starting_lpar_ix == -1 | |
| 36 | * Ignored when @performance_domain is not VIRTUAL_PROCESSOR_* | |
| 37 | * -1 means "infinite" or all | |
| 38 | */ | |
| 39 | __be16 max_num_lpars; | |
| 40 | ||
| 41 | /* chip, core, or virtual processor based on @performance_domain */ | |
| 42 | __be16 starting_ix; | |
| 43 | __be16 max_ix; | |
| 44 | } __packed; | |
| 45 | ||
| 46 | struct hv_24x7_request_buffer { | |
| 47 | /* 0 - ? */ | |
| 48 | /* 1 - ? */ | |
| 49 | #define HV_24X7_IF_VERSION_CURRENT 0x01 | |
| 50 | __u8 interface_version; | |
| 51 | __u8 num_requests; | |
| 52 | __u8 reserved[0xE]; | |
| 53 | struct hv_24x7_request requests[]; | |
| 54 | } __packed; | |
| 55 | ||
| 56 | struct hv_24x7_result_element { | |
| 57 | __be16 lpar_ix; | |
| 58 | ||
| 59 | /* | |
| 60 | * represents the core, chip, or virtual processor based on the | |
| 61 | * request's @performance_domain | |
| 62 | */ | |
| 63 | __be16 domain_ix; | |
| 64 | ||
| 65 | /* -1 if @performance_domain does not refer to a virtual processor */ | |
| 66 | __be32 lpar_cfg_instance_id; | |
| 67 | ||
| 68 | /* size = @result_element_data_size of cointaining result. */ | |
| 69 | __u8 element_data[]; | |
| 70 | } __packed; | |
| 71 | ||
| 72 | struct hv_24x7_result { | |
| 73 | __u8 result_ix; | |
| 74 | ||
| 75 | /* | |
| 76 | * 0 = not all result elements fit into the buffer, additional requests | |
| 77 | * required | |
| 78 | * 1 = all result elements were returned | |
| 79 | */ | |
| 80 | __u8 results_complete; | |
| 81 | __be16 num_elements_returned; | |
| 82 | ||
| 83 | /* This is a copy of @data_size from the coresponding hv_24x7_request */ | |
| 84 | __be16 result_element_data_size; | |
| 85 | __u8 reserved[0x2]; | |
| 86 | ||
| 87 | /* WARNING: only valid for first result element due to variable sizes | |
| 88 | * of result elements */ | |
| 89 | /* struct hv_24x7_result_element[@num_elements_returned] */ | |
| 90 | struct hv_24x7_result_element elements[]; | |
| 91 | } __packed; | |
| 92 | ||
| 93 | struct hv_24x7_data_result_buffer { | |
| 94 | /* See versioning for request buffer */ | |
| 95 | __u8 interface_version; | |
| 96 | ||
| 97 | __u8 num_results; | |
| 98 | __u8 reserved[0x1]; | |
| 99 | __u8 failing_request_ix; | |
| 100 | __be32 detailed_rc; | |
| 101 | __be64 cec_cfg_instance_id; | |
| 102 | __be64 catalog_version_num; | |
| 103 | __u8 reserved2[0x8]; | |
| 104 | /* WARNING: only valid for the first result due to variable sizes of | |
| 105 | * results */ | |
| 106 | struct hv_24x7_result results[]; /* [@num_results] */ | |
| 107 | } __packed; | |
| 108 | ||
| 109 | #endif |