diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/misc/sgi-xp/xp_uv.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/misc/sgi-xp/xp_uv.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_uv.c b/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_uv.c deleted file mode 100644 index a0d09327..00000000 --- a/ANDROID_3.4.5/drivers/misc/sgi-xp/xp_uv.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * 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. - * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. - */ - -/* - * Cross Partition (XP) uv-based functions. - * - * Architecture specific implementation of common functions. - * - */ - -#include <linux/device.h> -#include <asm/uv/uv_hub.h> -#if defined CONFIG_X86_64 -#include <asm/uv/bios.h> -#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV -#include <asm/sn/sn_sal.h> -#endif -#include "../sgi-gru/grukservices.h" -#include "xp.h" - -/* - * Convert a virtual memory address to a physical memory address. - */ -static unsigned long -xp_pa_uv(void *addr) -{ - return uv_gpa(addr); -} - -/* - * Convert a global physical to socket physical address. - */ -static unsigned long -xp_socket_pa_uv(unsigned long gpa) -{ - return uv_gpa_to_soc_phys_ram(gpa); -} - -static enum xp_retval -xp_remote_mmr_read(unsigned long dst_gpa, const unsigned long src_gpa, - size_t len) -{ - int ret; - unsigned long *dst_va = __va(uv_gpa_to_soc_phys_ram(dst_gpa)); - - BUG_ON(!uv_gpa_in_mmr_space(src_gpa)); - BUG_ON(len != 8); - - ret = gru_read_gpa(dst_va, src_gpa); - if (ret == 0) - return xpSuccess; - - dev_err(xp, "gru_read_gpa() failed, dst_gpa=0x%016lx src_gpa=0x%016lx " - "len=%ld\n", dst_gpa, src_gpa, len); - return xpGruCopyError; -} - - -static enum xp_retval -xp_remote_memcpy_uv(unsigned long dst_gpa, const unsigned long src_gpa, - size_t len) -{ - int ret; - - if (uv_gpa_in_mmr_space(src_gpa)) - return xp_remote_mmr_read(dst_gpa, src_gpa, len); - - ret = gru_copy_gpa(dst_gpa, src_gpa, len); - if (ret == 0) - return xpSuccess; - - dev_err(xp, "gru_copy_gpa() failed, dst_gpa=0x%016lx src_gpa=0x%016lx " - "len=%ld\n", dst_gpa, src_gpa, len); - return xpGruCopyError; -} - -static int -xp_cpu_to_nasid_uv(int cpuid) -{ - /* ??? Is this same as sn2 nasid in mach/part bitmaps set up by SAL? */ - return UV_PNODE_TO_NASID(uv_cpu_to_pnode(cpuid)); -} - -static enum xp_retval -xp_expand_memprotect_uv(unsigned long phys_addr, unsigned long size) -{ - int ret; - -#if defined CONFIG_X86_64 - ret = uv_bios_change_memprotect(phys_addr, size, UV_MEMPROT_ALLOW_RW); - if (ret != BIOS_STATUS_SUCCESS) { - dev_err(xp, "uv_bios_change_memprotect(,, " - "UV_MEMPROT_ALLOW_RW) failed, ret=%d\n", ret); - return xpBiosError; - } - -#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV - u64 nasid_array; - - ret = sn_change_memprotect(phys_addr, size, SN_MEMPROT_ACCESS_CLASS_1, - &nasid_array); - if (ret != 0) { - dev_err(xp, "sn_change_memprotect(,, " - "SN_MEMPROT_ACCESS_CLASS_1,) failed ret=%d\n", ret); - return xpSalError; - } -#else - #error not a supported configuration -#endif - return xpSuccess; -} - -static enum xp_retval -xp_restrict_memprotect_uv(unsigned long phys_addr, unsigned long size) -{ - int ret; - -#if defined CONFIG_X86_64 - ret = uv_bios_change_memprotect(phys_addr, size, - UV_MEMPROT_RESTRICT_ACCESS); - if (ret != BIOS_STATUS_SUCCESS) { - dev_err(xp, "uv_bios_change_memprotect(,, " - "UV_MEMPROT_RESTRICT_ACCESS) failed, ret=%d\n", ret); - return xpBiosError; - } - -#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV - u64 nasid_array; - - ret = sn_change_memprotect(phys_addr, size, SN_MEMPROT_ACCESS_CLASS_0, - &nasid_array); - if (ret != 0) { - dev_err(xp, "sn_change_memprotect(,, " - "SN_MEMPROT_ACCESS_CLASS_0,) failed ret=%d\n", ret); - return xpSalError; - } -#else - #error not a supported configuration -#endif - return xpSuccess; -} - -enum xp_retval -xp_init_uv(void) -{ - BUG_ON(!is_uv()); - - xp_max_npartitions = XP_MAX_NPARTITIONS_UV; - xp_partition_id = sn_partition_id; - xp_region_size = sn_region_size; - - xp_pa = xp_pa_uv; - xp_socket_pa = xp_socket_pa_uv; - xp_remote_memcpy = xp_remote_memcpy_uv; - xp_cpu_to_nasid = xp_cpu_to_nasid_uv; - xp_expand_memprotect = xp_expand_memprotect_uv; - xp_restrict_memprotect = xp_restrict_memprotect_uv; - - return xpSuccess; -} - -void -xp_exit_uv(void) -{ - BUG_ON(!is_uv()); -} |