1 /*
2  * Copyright (C) 2003-2004 Intel
3  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
4  */
5 
6 #ifndef MSI_H
7 #define MSI_H
8 
9 #define msi_control_reg(base)		(base + PCI_MSI_FLAGS)
10 #define msi_lower_address_reg(base)	(base + PCI_MSI_ADDRESS_LO)
11 #define msi_upper_address_reg(base)	(base + PCI_MSI_ADDRESS_HI)
12 #define msi_data_reg(base, is64bit)	\
13 	(base + ((is64bit == 1) ? PCI_MSI_DATA_64 : PCI_MSI_DATA_32))
14 #define msi_mask_reg(base, is64bit)	\
15 	(base + ((is64bit == 1) ? PCI_MSI_MASK_64 : PCI_MSI_MASK_32))
16 #define is_64bit_address(control)	(!!(control & PCI_MSI_FLAGS_64BIT))
17 #define is_mask_bit_support(control)	(!!(control & PCI_MSI_FLAGS_MASKBIT))
18 
19 #define msix_table_offset_reg(base)	(base + PCI_MSIX_TABLE)
20 #define msix_pba_offset_reg(base)	(base + PCI_MSIX_PBA)
21 #define msix_table_size(control) 	((control & PCI_MSIX_FLAGS_QSIZE)+1)
22 #define multi_msix_capable(control)	msix_table_size((control))
23 
24 #endif /* MSI_H */
25