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moduleparams: Add hexint type parameter
For bitmasks printing values in hex is more convenient. Prefix with `0x` to make it clear, that it’s a hex value, and pad it out. Using the helper for `amdgpu.ppfeaturemask`, it will look like below. Before: $ more /sys/module/amdgpu/parameters/ppfeaturemask 4294950911 After: $ more /sys/module/amdgpu/parameters/ppfeaturemask 0xffffbfff Cc: linux-kernel@vger.kernel.org Cc: amd-gfx@lists.freedesktop.org Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/374726/
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@ -118,7 +118,7 @@ struct kparam_array
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* you can create your own by defining those variables.
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*
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* Standard types are:
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* byte, short, ushort, int, uint, long, ulong
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* byte, hexint, short, ushort, int, uint, long, ulong
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* charp: a character pointer
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* bool: a bool, values 0/1, y/n, Y/N.
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* invbool: the above, only sense-reversed (N = true).
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@ -448,6 +448,11 @@ extern int param_set_ullong(const char *val, const struct kernel_param *kp);
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extern int param_get_ullong(char *buffer, const struct kernel_param *kp);
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#define param_check_ullong(name, p) __param_check(name, p, unsigned long long)
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extern const struct kernel_param_ops param_ops_hexint;
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extern int param_set_hexint(const char *val, const struct kernel_param *kp);
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extern int param_get_hexint(char *buffer, const struct kernel_param *kp);
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#define param_check_hexint(name, p) param_check_uint(name, p)
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extern const struct kernel_param_ops param_ops_charp;
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extern int param_set_charp(const char *val, const struct kernel_param *kp);
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extern int param_get_charp(char *buffer, const struct kernel_param *kp);
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@ -241,6 +241,7 @@ STANDARD_PARAM_DEF(uint, unsigned int, "%u", kstrtouint);
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STANDARD_PARAM_DEF(long, long, "%li", kstrtol);
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STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", kstrtoul);
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STANDARD_PARAM_DEF(ullong, unsigned long long, "%llu", kstrtoull);
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STANDARD_PARAM_DEF(hexint, unsigned int, "%#08x", kstrtouint);
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int param_set_charp(const char *val, const struct kernel_param *kp)
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{
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