Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Thomas Gleixner |
177 |
76.29% |
3 |
20.00% |
| Jiang Liu |
31 |
13.36% |
5 |
33.33% |
| Reto Buerki |
8 |
3.45% |
1 |
6.67% |
| David Woodhouse |
5 |
2.16% |
1 |
6.67% |
| Ingo Molnar |
4 |
1.72% |
1 |
6.67% |
| Joerg Roedel |
3 |
1.29% |
1 |
6.67% |
| Eric W. Biedermann |
2 |
0.86% |
1 |
6.67% |
| Jake Oshins |
1 |
0.43% |
1 |
6.67% |
| Greg Kroah-Hartman |
1 |
0.43% |
1 |
6.67% |
| Total |
232 |
|
15 |
|
/* 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 {
union {
struct {
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);
#define X86_VECTOR_MSI_FLAGS_SUPPORTED \
(MSI_GENERIC_FLAGS_MASK | MSI_FLAG_PCI_MSIX | MSI_FLAG_PCI_MSIX_ALLOC_DYN)
#define X86_VECTOR_MSI_FLAGS_REQUIRED \
(MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS)
#endif /* _ASM_X86_MSI_H */