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s390/hypfs: add interface for diagnose 0x304

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To provide access to the set-partition-resource-parameter interface
to user space add a new attribute to hypfs/debugfs:
 * s390_hypsfs/diag_304
The data for the query-partition-resource-parameters command can
be access by a read on the attribute. All other diagnose 0x304
requests need to be submitted via ioctl with CAP_SYS_ADMIN rights.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2014-01-24 09:18:52 +01:00
parent fded4329da
commit 07be038209
9 changed files with 208 additions and 5 deletions
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arch/s390/include/asm/sclp.h
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@@ -54,6 +54,7 @@ int sclp_chp_read_info(struct sclp_chp_info *info);
void sclp_get_ipl_info(struct sclp_ipl_info *info);
bool __init sclp_has_linemode(void);
bool __init sclp_has_vt220(void);
bool sclp_has_sprp(void);
int sclp_pci_configure(u32 fid);
int sclp_pci_deconfigure(u32 fid);
int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);