函数源码 |
Source File:arch\x86\include\asm\numachip\numachip_csr.h |
Create Date:2022-07-27 09:30:49 |
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19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #endif /* _ASM_X86_NUMACHIP_NUMACHIP_H */ #include <asm/numachip/numachip_csr.h> /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Numascale NumaConnect-Specific Header file * * Copyright (C) 2011 Numascale AS. All rights reserved. * * Send feedback to <support@numascale.com> * */ #ifndef _ASM_X86_NUMACHIP_NUMACHIP_CSR_H #define _ASM_X86_NUMACHIP_NUMACHIP_CSR_H #include <linux/smp.h> #include <linux/io.h> #define CSR_NODE_SHIFT 16 #define CSR_NODE_BITS(p) (((unsigned long)(p)) << CSR_NODE_SHIFT) #define CSR_NODE_MASK 0x0fff /* 4K nodes */ /* 32K CSR space, b15 indicates geo/non-geo */ #define CSR_OFFSET_MASK 0x7fffUL #define CSR_G0_NODE_IDS (0x008 + (0 << 12)) #define CSR_G3_EXT_IRQ_GEN (0x030 + (3 << 12)) /* * Local CSR space starts in global CSR space with "nodeid" = 0xfff0, however * when using the direct mapping on x86_64, both start and size needs to be * aligned with PMD_SIZE which is 2M */ #define NUMACHIP_LCSR_BASE 0x3ffffe000000ULL #define NUMACHIP_LCSR_LIM 0x3fffffffffffULL #define NUMACHIP_LCSR_SIZE (NUMACHIP_LCSR_LIM - NUMACHIP_LCSR_BASE + 1) #define NUMACHIP_LAPIC_BITS 8 static inline void *lcsr_address(unsigned long offset) { return __va(NUMACHIP_LCSR_BASE | (1UL << 15) | CSR_NODE_BITS(0xfff0) | (offset & CSR_OFFSET_MASK)); } |