LXR linux/tools/testing/nvdimm/test/ndtest.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2#ifndef NDTEST_H
   3#define NDTEST_H
   4
   5#include <linux/platform_device.h>
   6#include <linux/libnvdimm.h>
   7
   8/* SCM device is unable to persist memory contents */
   9#define PAPR_PMEM_UNARMED                   (1ULL << (63 - 0))
  10/* SCM device failed to persist memory contents */
  11#define PAPR_PMEM_SHUTDOWN_DIRTY            (1ULL << (63 - 1))
  12/* SCM device contents are not persisted from previous IPL */
  13#define PAPR_PMEM_EMPTY                     (1ULL << (63 - 3))
  14#define PAPR_PMEM_HEALTH_CRITICAL           (1ULL << (63 - 4))
  15/* SCM device will be garded off next IPL due to failure */
  16#define PAPR_PMEM_HEALTH_FATAL              (1ULL << (63 - 5))
  17/* SCM contents cannot persist due to current platform health status */
  18#define PAPR_PMEM_HEALTH_UNHEALTHY          (1ULL << (63 - 6))
  19
  20/* Bits status indicators for health bitmap indicating unarmed dimm */
  21#define PAPR_PMEM_UNARMED_MASK (PAPR_PMEM_UNARMED |             \
  22                                PAPR_PMEM_HEALTH_UNHEALTHY)
  23
  24#define PAPR_PMEM_SAVE_FAILED                (1ULL << (63 - 10))
  25
  26/* Bits status indicators for health bitmap indicating unflushed dimm */
  27#define PAPR_PMEM_BAD_SHUTDOWN_MASK (PAPR_PMEM_SHUTDOWN_DIRTY)
  28
  29/* Bits status indicators for health bitmap indicating unrestored dimm */
  30#define PAPR_PMEM_BAD_RESTORE_MASK  (PAPR_PMEM_EMPTY)
  31
  32/* Bit status indicators for smart event notification */
  33#define PAPR_PMEM_SMART_EVENT_MASK (PAPR_PMEM_HEALTH_CRITICAL | \
  34                                    PAPR_PMEM_HEALTH_FATAL |    \
  35                                    PAPR_PMEM_HEALTH_UNHEALTHY)
  36
  37#define PAPR_PMEM_SAVE_MASK                (PAPR_PMEM_SAVE_FAILED)
  38
  39struct ndtest_config;
  40
  41struct ndtest_priv {
  42        struct platform_device pdev;
  43        struct device_node *dn;
  44        struct list_head resources;
  45        struct nvdimm_bus_descriptor bus_desc;
  46        struct nvdimm_bus *bus;
  47        struct ndtest_config *config;
  48
  49        dma_addr_t *dcr_dma;
  50        dma_addr_t *label_dma;
  51        dma_addr_t *dimm_dma;
  52};
  53
  54struct ndtest_blk_mmio {
  55        void __iomem *base;
  56        u64 size;
  57        u64 base_offset;
  58        u32 line_size;
  59        u32 num_lines;
  60        u32 table_size;
  61};
  62
  63struct ndtest_dimm {
  64        struct device *dev;
  65        struct nvdimm *nvdimm;
  66        struct ndtest_blk_mmio *mmio;
  67        struct nd_region *blk_region;
  68
  69        dma_addr_t address;
  70        unsigned long long flags;
  71        unsigned long config_size;
  72        void *label_area;
  73        char *uuid_str;
  74
  75        unsigned int size;
  76        unsigned int handle;
  77        unsigned int fail_cmd;
  78        unsigned int physical_id;
  79        unsigned int num_formats;
  80        int id;
  81        int fail_cmd_code;
  82        u8 no_alias;
  83};
  84
  85struct ndtest_mapping {
  86        u64 start;
  87        u64 size;
  88        u8 position;
  89        u8 dimm;
  90};
  91
  92struct ndtest_region {
  93        struct nd_region *region;
  94        struct ndtest_mapping *mapping;
  95        u64 size;
  96        u8 type;
  97        u8 num_mappings;
  98        u8 range_index;
  99};
 100
 101struct ndtest_config {
 102        struct ndtest_dimm *dimms;
 103        struct ndtest_region *regions;
 104        unsigned int dimm_count;
 105        unsigned int dimm_start;
 106        u8 num_regions;
 107};
 108
 109#endif /* NDTEST_H */
 110