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16306f7bda
Common defines and structures for the ivshmem device. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
31 lines
703 B
C
31 lines
703 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _LINUX_IVSHMEM_H
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#define _LINUX_IVSHMEM_H
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#include <linux/types.h>
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#define IVSHM_PROTO_UNDEFINED 0x0000
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#define IVSHM_PROTO_NET 0x0001
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#define IVSHM_PROTO_VIRTIO_FRONT 0x8000
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#define IVSHM_PROTO_VIRTIO_BACK 0xc000
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#define IVSHM_PROTO_VIRTIO_DEVID_MASK 0x7fff
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#define IVSHM_CFG_PRIV_CNTL 0x03
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# define IVSHM_PRIV_CNTL_ONESHOT_INT BIT(0)
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#define IVSHM_CFG_STATE_TAB_SZ 0x04
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#define IVSHM_CFG_RW_SECTION_SZ 0x08
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#define IVSHM_CFG_OUTPUT_SECTION_SZ 0x10
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#define IVSHM_CFG_ADDRESS 0x18
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struct ivshm_regs {
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u32 id;
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u32 max_peers;
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u32 int_control;
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u32 doorbell;
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u32 state;
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};
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#define IVSHM_INT_ENABLE BIT(0)
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#endif /* _LINUX_IVSHMEM_H */
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