mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.5 KiB
62 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef _ASM_X86_MSI_H |
|
#define _ASM_X86_MSI_H |
|
#include <asm/hw_irq.h> |
|
#include <asm/irqdomain.h> |
|
|
|
typedef struct irq_alloc_info msi_alloc_info_t; |
|
|
|
int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec, |
|
msi_alloc_info_t *arg); |
|
|
|
/* Structs and defines for the X86 specific MSI message format */ |
|
|
|
typedef struct x86_msi_data { |
|
u32 vector : 8, |
|
delivery_mode : 3, |
|
dest_mode_logical : 1, |
|
reserved : 2, |
|
active_low : 1, |
|
is_level : 1; |
|
|
|
u32 dmar_subhandle; |
|
} __attribute__ ((packed)) arch_msi_msg_data_t; |
|
#define arch_msi_msg_data x86_msi_data |
|
|
|
typedef struct x86_msi_addr_lo { |
|
union { |
|
struct { |
|
u32 reserved_0 : 2, |
|
dest_mode_logical : 1, |
|
redirect_hint : 1, |
|
reserved_1 : 1, |
|
virt_destid_8_14 : 7, |
|
destid_0_7 : 8, |
|
base_address : 12; |
|
}; |
|
struct { |
|
u32 dmar_reserved_0 : 2, |
|
dmar_index_15 : 1, |
|
dmar_subhandle_valid : 1, |
|
dmar_format : 1, |
|
dmar_index_0_14 : 15, |
|
dmar_base_address : 12; |
|
}; |
|
}; |
|
} __attribute__ ((packed)) arch_msi_msg_addr_lo_t; |
|
#define arch_msi_msg_addr_lo x86_msi_addr_lo |
|
|
|
#define X86_MSI_BASE_ADDRESS_LOW (0xfee00000 >> 20) |
|
|
|
typedef struct x86_msi_addr_hi { |
|
u32 reserved : 8, |
|
destid_8_31 : 24; |
|
} __attribute__ ((packed)) arch_msi_msg_addr_hi_t; |
|
#define arch_msi_msg_addr_hi x86_msi_addr_hi |
|
|
|
#define X86_MSI_BASE_ADDRESS_HIGH (0) |
|
|
|
struct msi_msg; |
|
u32 x86_msi_msg_get_destid(struct msi_msg *msg, bool extid); |
|
|
|
#endif /* _ASM_X86_MSI_H */
|
|
|