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8467d8b282
Replace the deprecated one-element array with a modern flexible array
member in the struct hvtramp_descr.
Additionally, 15 unnecessary bytes were allocated for hdesc, but instead
of fixing the parentheses in the open-coded version, use struct_size()
to calculate the correct number of bytes.
Link: https://github.com/KSPP/linux/issues/79
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Fixes: 64658743fd ("[SPARC64]: Remove most limitations to kernel image size.")
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20241111204724.165263-2-thorsten.blum@linux.dev
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
38 lines
781 B
C
38 lines
781 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SPARC64_HVTRAP_H
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#define _SPARC64_HVTRAP_H
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#ifndef __ASSEMBLY__
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#include <linux/types.h>
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struct hvtramp_mapping {
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__u64 vaddr;
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__u64 tte;
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};
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struct hvtramp_descr {
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__u32 cpu;
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__u32 num_mappings;
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__u64 fault_info_va;
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__u64 fault_info_pa;
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__u64 thread_reg;
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struct hvtramp_mapping maps[];
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};
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void hv_cpu_startup(unsigned long hvdescr_pa);
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#endif
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#define HVTRAMP_DESCR_CPU 0x00
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#define HVTRAMP_DESCR_NUM_MAPPINGS 0x04
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#define HVTRAMP_DESCR_FAULT_INFO_VA 0x08
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#define HVTRAMP_DESCR_FAULT_INFO_PA 0x10
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#define HVTRAMP_DESCR_THREAD_REG 0x18
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#define HVTRAMP_DESCR_MAPS 0x20
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#define HVTRAMP_MAPPING_VADDR 0x00
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#define HVTRAMP_MAPPING_TTE 0x08
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#define HVTRAMP_MAPPING_SIZE 0x10
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#endif /* _SPARC64_HVTRAP_H */
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