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ab6b1d1fc4
The IMA kexec buffer allows the currently running kernel to pass the measurement list via a kexec segment to the kernel that will be kexec'd. This is the architecture-specific part of setting up the IMA kexec buffer for the next kernel. It will be used in the next patch. Link: http://lkml.kernel.org/r/1480554346-29071-6-git-send-email-zohar@linux.vnet.ibm.com Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Andreas Steffen <andreas.steffen@strongswan.org> Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com> Cc: Josh Sklar <sklar@linux.vnet.ibm.com> Cc: Dave Young <dyoung@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Baoquan He <bhe@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Stewart Smith <stewart@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
30 lines
733 B
C
30 lines
733 B
C
#ifndef _ASM_POWERPC_IMA_H
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#define _ASM_POWERPC_IMA_H
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struct kimage;
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int ima_get_kexec_buffer(void **addr, size_t *size);
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int ima_free_kexec_buffer(void);
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#ifdef CONFIG_IMA
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void remove_ima_buffer(void *fdt, int chosen_node);
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#else
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static inline void remove_ima_buffer(void *fdt, int chosen_node) {}
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#endif
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#ifdef CONFIG_IMA_KEXEC
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int arch_ima_add_kexec_buffer(struct kimage *image, unsigned long load_addr,
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size_t size);
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int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node);
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#else
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static inline int setup_ima_buffer(const struct kimage *image, void *fdt,
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int chosen_node)
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{
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remove_ima_buffer(fdt, chosen_node);
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return 0;
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}
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#endif /* CONFIG_IMA_KEXEC */
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#endif /* _ASM_POWERPC_IMA_H */
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