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A prerequisite of testing LPI injection performance is of course instantiating an ITS for the guest. Add a small library for creating an ITS and interacting with it from the guest. Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20240422200158.2606761-17-oliver.upton@linux.dev Signed-off-by: Marc Zyngier <maz@kernel.org>
20 lines
692 B
C
20 lines
692 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SELFTESTS_GIC_V3_ITS_H__
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#define __SELFTESTS_GIC_V3_ITS_H__
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#include <linux/sizes.h>
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void its_init(vm_paddr_t coll_tbl, size_t coll_tbl_sz,
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vm_paddr_t device_tbl, size_t device_tbl_sz,
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vm_paddr_t cmdq, size_t cmdq_size);
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void its_send_mapd_cmd(void *cmdq_base, u32 device_id, vm_paddr_t itt_base,
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size_t itt_size, bool valid);
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void its_send_mapc_cmd(void *cmdq_base, u32 vcpu_id, u32 collection_id, bool valid);
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void its_send_mapti_cmd(void *cmdq_base, u32 device_id, u32 event_id,
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u32 collection_id, u32 intid);
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void its_send_invall_cmd(void *cmdq_base, u32 collection_id);
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#endif // __SELFTESTS_GIC_V3_ITS_H__
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