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| author |   Hari Bathini <hbathini@linux.ibm.com> | 2019-09-11 20:18:40 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-09-14 00:04:42 +1000 |
| commit | d3833a7010817f82bff373e26d146e6401c695f4 (patch) | |
| tree | fdc78526a00370ed1e08c8b66a495732566295e9 /arch/powerpc/include/asm/fadump-internal.h | |
| parent | powerpc/fadump: move rtas specific definitions to platform code (diff) | |
| download | linux-dev-d3833a7010817f82bff373e26d146e6401c695f4.tar.xz linux-dev-d3833a7010817f82bff373e26d146e6401c695f4.zip | |
powerpc/fadump: introduce callbacks for platform specific operations
Introduce callback functions for platform specific operations like
register, unregister, invalidate & such. Also, define place-holders
for the same on pSeries platform.
Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/156821330286.5656.15538934400074110770.stgit@hbathini.in.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm/fadump-internal.h')
| -rw-r--r-- | arch/powerpc/include/asm/fadump-internal.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fadump-internal.h b/arch/powerpc/include/asm/fadump-internal.h index f8097510e03f..8ecd23421b6c 100644 --- a/arch/powerpc/include/asm/fadump-internal.h +++ b/arch/powerpc/include/asm/fadump-internal.h @@ -77,6 +77,9 @@ struct fad_crash_memory_ranges { unsigned long long size; }; +/* Platform specific callback functions */ +struct fadump_ops; + /* Firmware-assisted dump configuration details. */ struct fw_dump { unsigned long reserve_dump_area_start; @@ -99,6 +102,20 @@ struct fw_dump { unsigned long dump_active:1; unsigned long dump_registered:1; unsigned long nocma:1; + + struct fadump_ops *ops; +}; + +struct fadump_ops { + u64 (*fadump_init_mem_struct)(struct fw_dump *fadump_conf); + int (*fadump_register)(struct fw_dump *fadump_conf); + int (*fadump_unregister)(struct fw_dump *fadump_conf); + int (*fadump_invalidate)(struct fw_dump *fadump_conf); + int (*fadump_process)(struct fw_dump *fadump_conf); + void (*fadump_region_show)(struct fw_dump *fadump_conf, + struct seq_file *m); + void (*fadump_trigger)(struct fadump_crash_info_header *fdh, + const char *msg); }; /* Helper functions */ @@ -109,4 +126,11 @@ void fadump_update_elfcore_header(char *bufp); bool is_fadump_boot_mem_contiguous(void); bool is_fadump_reserved_mem_contiguous(void); +#ifdef CONFIG_PPC_PSERIES +extern void rtas_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node); +#else +static inline void +rtas_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node) { } +#endif + #endif /* _ASM_POWERPC_FADUMP_INTERNAL_H */ |