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Diffstat (limited to 'fs/pstore/Kconfig')
| -rw-r--r-- | fs/pstore/Kconfig | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig new file mode 100644 index 0000000000..0c6f136920 --- /dev/null +++ b/fs/pstore/Kconfig @@ -0,0 +1,86 @@ +menuconfig FS_PSTORE + bool + prompt "pstore fs support" + help + Support for persistent storage to read data from the last crash, like + panic, dmesg and ftrace. + +if FS_PSTORE + +config FS_PSTORE_RAMOOPS + bool + depends on RELOCATABLE + depends on ARM + select REED_SOLOMON + prompt "pstore RAM backend" + help + Here the data is stored in a specific memory area that is neither + overwritten by barebox nor the kernel. + +if FS_PSTORE_RAMOOPS + +config FS_PSTORE_RAMOOPS_RO + bool + default y + prompt "pstore RAM backend read only" + help + This prevents the data from being erased by reinitializing the ramoops + area with new empty ECCs. Select this if you want to see the same + ramoops in the kernel. + +config FS_PSTORE_RAMOOPS_SIZE + int + prompt "Size of the RAMOOPS area" + default 2097152 + help + Size of the RAMOOPS area that is reserved. This is passed to the + kernel as well as argument. Default is 2MiB. + +config FS_PSTORE_RAMOOPS_CONSOLE_SIZE + int + prompt "Size of the console area" + default 131072 # 2^17 + range 4096 1073741824 # Random upper limitation of 1GiB + help + Size of the RAMOOPS console area that is reserved. This is passed to + the kernel as well as argument. It should be a power of 2. + +config FS_PSTORE_RAMOOPS_FTRACE_SIZE + int + prompt "Size of the ftrace area" + default 131072 # 2^17 + range 4096 1073741824 # Random upper limitation of 1GiB + help + Size of the RAMOOPS ftrace area that is reserved. This is passed to + the kernel as well as argument. It should be a power of 2. + +config FS_PSTORE_RAMOOPS_PMSG_SIZE + int + prompt "Size of the userspace message area" + default 131072 # 2^17 + range 4096 1073741824 # Random upper limitation of 1GiB + help + Size of the RAMOOPS pmsg area that is reserved. This is passed to + the kernel as well as argument. It should be a power of 2. + +config FS_PSTORE_RAMOOPS_RECORD_SIZE + int + prompt "Size of each oops area" + default 131072 # 2^17 + range 4096 1073741824 # Random upper limitation of 1GiB + help + Size of each RAMOOPS oops area. There are multiple oops/panic areas + to store individual oops/panic messages. This is the size of each of + these areas. It should be a power of 2. + +config FS_PSTORE_ECC_SIZE + int + prompt "ECC size" + default 16 + help + ECC size used. This is the amount of bytes for reed solomon codes + that is used. 0 disables ECC. + +endif + +endif |