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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2021 12:03:46.1480 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7d901cae-12cb-4f5a-b7a4-08d97e8a3225 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT049.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR08MB6444 We will reuse nodes_cover_memory for Arm to check its bootmem info. So we introduce two arch helpers to get memory map's entry number and specified entry's range: arch_get_memory_bank_number arch_get_memory_bank_range Depends above two helpers, we make nodes_cover_memory become architecture independent. And the only change from an x86 perspective is the additional checks: !start || !end Signed-off-by: Wei Chen --- xen/arch/x86/numa.c | 18 ++++++++++++++++++ xen/arch/x86/srat.c | 11 ++++------- xen/include/asm-x86/numa.h | 3 +++ 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c index 6337bbdf31..6bc4ade411 100644 --- a/xen/arch/x86/numa.c +++ b/xen/arch/x86/numa.c @@ -378,6 +378,24 @@ unsigned int arch_have_default_dmazone(void) return ( num_online_nodes() > 1 ) ? 1 : 0; } +uint32_t __init arch_meminfo_get_nr_bank(void) +{ + return e820.nr_map; +} + +int __init arch_meminfo_get_ram_bank_range(uint32_t bank, + paddr_t *start, paddr_t *end) +{ + if (e820.map[bank].type != E820_RAM || !start || !end) { + return -1; + } + + *start = e820.map[bank].addr; + *end = e820.map[bank].addr + e820.map[bank].size; + + return 0; +} + static void dump_numa(unsigned char key) { s_time_t now = NOW(); diff --git a/xen/arch/x86/srat.c b/xen/arch/x86/srat.c index 18bc6b19bb..aa07a7e975 100644 --- a/xen/arch/x86/srat.c +++ b/xen/arch/x86/srat.c @@ -419,17 +419,14 @@ acpi_numa_memory_affinity_init(const struct acpi_srat_mem_affinity *ma) static int __init nodes_cover_memory(void) { int i; + uint32_t nr_banks = arch_meminfo_get_nr_bank(); - for (i = 0; i < e820.nr_map; i++) { + for (i = 0; i < nr_banks; i++) { int j, found; paddr_t start, end; - if (e820.map[i].type != E820_RAM) { + if (arch_meminfo_get_ram_bank_range(i, &start, &end)) continue; - } - - start = e820.map[i].addr; - end = e820.map[i].addr + e820.map[i].size; do { found = 0; @@ -448,7 +445,7 @@ static int __init nodes_cover_memory(void) } while (found && start < end); if (start < end) { - printk(KERN_ERR "SRAT: No PXM for e820 range: " + printk(KERN_ERR "SRAT: No NODE for memory map range: " "%"PRIpaddr" - %"PRIpaddr"\n", start, end); return 0; } diff --git a/xen/include/asm-x86/numa.h b/xen/include/asm-x86/numa.h index 5772a70665..78e044a390 100644 --- a/xen/include/asm-x86/numa.h +++ b/xen/include/asm-x86/numa.h @@ -82,5 +82,8 @@ void srat_parse_regions(paddr_t addr); extern u8 __node_distance(nodeid_t a, nodeid_t b); unsigned int arch_get_dma_bitsize(void); unsigned int arch_have_default_dmazone(void); +extern uint32_t arch_meminfo_get_nr_bank(void); +extern int arch_meminfo_get_ram_bank_range(uint32_t bank, + paddr_t *start, paddr_t *end); #endif -- 2.25.1