Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git...
[safe/jmp/linux-2.6] / arch / x86 / kernel / genx2apic_uv_x.c
index 169388c..2c7dbdb 100644 (file)
@@ -15,7 +15,6 @@
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/sched.h>
-#include <linux/bootmem.h>
 #include <linux/module.h>
 #include <linux/hardirq.h>
 #include <asm/smp.h>
@@ -30,7 +29,7 @@ DEFINE_PER_CPU(int, x2apic_extra_bits);
 
 static enum uv_system_type uv_system_type;
 
-static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
        if (!strcmp(oem_id, "SGI")) {
                if (!strcmp(oem_table_id, "UVL"))
@@ -54,6 +53,7 @@ int is_uv_system(void)
 {
        return uv_system_type != UV_NONE;
 }
+EXPORT_SYMBOL_GPL(is_uv_system);
 
 DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
 EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info);
@@ -113,7 +113,7 @@ static void uv_send_IPI_one(int cpu, int vector)
        unsigned long val, apicid, lapicid;
        int pnode;
 
-       apicid = per_cpu(x86_cpu_to_apicid, cpu); /* ZZZ - cache node-local ? */
+       apicid = per_cpu(x86_cpu_to_apicid, cpu);
        lapicid = apicid & 0x3f;                /* ZZZ macro needed */
        pnode = uv_apicid_to_pnode(apicid);
        val =
@@ -127,7 +127,7 @@ static void uv_send_IPI_mask(cpumask_t mask, int vector)
 {
        unsigned int cpu;
 
-       for (cpu = 0; cpu < NR_CPUS; ++cpu)
+       for_each_possible_cpu(cpu)
                if (cpu_isset(cpu, mask))
                        uv_send_IPI_one(cpu, vector);
 }
@@ -165,7 +165,7 @@ static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask)
         * May as well be the first.
         */
        cpu = first_cpu(cpumask);
-       if ((unsigned)cpu < NR_CPUS)
+       if ((unsigned)cpu < nr_cpu_ids)
                return per_cpu(x86_cpu_to_apicid, cpu);
        else
                return BAD_APICID;
@@ -201,12 +201,10 @@ static unsigned int phys_pkg_id(int index_msb)
        return uv_read_apic_id() >> index_msb;
 }
 
-#ifdef ZZZ             /* Needs x2apic patch */
 static void uv_send_IPI_self(int vector)
 {
        apic_write(APIC_SELF_IPI, vector);
 }
-#endif
 
 struct genapic apic_x2apic_uv_x = {
        .name = "UV large system",
@@ -214,15 +212,15 @@ struct genapic apic_x2apic_uv_x = {
        .int_delivery_mode = dest_Fixed,
        .int_dest_mode = (APIC_DEST_PHYSICAL != 0),
        .target_cpus = uv_target_cpus,
-       .vector_allocation_domain = uv_vector_allocation_domain,/* Fixme ZZZ */
+       .vector_allocation_domain = uv_vector_allocation_domain,
        .apic_id_registered = uv_apic_id_registered,
        .init_apic_ldr = uv_init_apic_ldr,
        .send_IPI_all = uv_send_IPI_all,
        .send_IPI_allbutself = uv_send_IPI_allbutself,
        .send_IPI_mask = uv_send_IPI_mask,
-       /* ZZZ.send_IPI_self = uv_send_IPI_self, */
+       .send_IPI_self = uv_send_IPI_self,
        .cpu_mask_to_apicid = uv_cpu_mask_to_apicid,
-       .phys_pkg_id = phys_pkg_id,     /* Fixme ZZZ */
+       .phys_pkg_id = phys_pkg_id,
        .get_apic_id = get_apic_id,
        .set_apic_id = set_apic_id,
        .apic_id_mask = (0xFFFFFFFFu),
@@ -285,12 +283,13 @@ static __init void map_low_mmrs(void)
 
 enum map_type {map_wb, map_uc};
 
-static void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
+static __init void map_high(char *id, unsigned long base, int shift,
+                           int max_pnode, enum map_type map_type)
 {
        unsigned long bytes, paddr;
 
        paddr = base << shift;
-       bytes = (1UL << shift);
+       bytes = (1UL << shift) * (max_pnode + 1);
        printk(KERN_INFO "UV: Map %s_HI 0x%lx - 0x%lx\n", id, paddr,
                                                paddr + bytes);
        if (map_type == map_uc)
@@ -306,7 +305,7 @@ static __init void map_gru_high(int max_pnode)
 
        gru.v = uv_read_local_mmr(UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR);
        if (gru.s.enable)
-               map_high("GRU", gru.s.base, shift, map_wb);
+               map_high("GRU", gru.s.base, shift, max_pnode, map_wb);
 }
 
 static __init void map_config_high(int max_pnode)
@@ -316,7 +315,7 @@ static __init void map_config_high(int max_pnode)
 
        cfg.v = uv_read_local_mmr(UVH_RH_GAM_CFG_OVERLAY_CONFIG_MMR);
        if (cfg.s.enable)
-               map_high("CONFIG", cfg.s.base, shift, map_uc);
+               map_high("CONFIG", cfg.s.base, shift, max_pnode, map_uc);
 }
 
 static __init void map_mmr_high(int max_pnode)
@@ -326,7 +325,7 @@ static __init void map_mmr_high(int max_pnode)
 
        mmr.v = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR);
        if (mmr.s.enable)
-               map_high("MMR", mmr.s.base, shift, map_uc);
+               map_high("MMR", mmr.s.base, shift, max_pnode, map_uc);
 }
 
 static __init void map_mmioh_high(int max_pnode)
@@ -336,17 +335,17 @@ static __init void map_mmioh_high(int max_pnode)
 
        mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR);
        if (mmioh.s.enable)
-               map_high("MMIOH", mmioh.s.base, shift, map_uc);
+               map_high("MMIOH", mmioh.s.base, shift, max_pnode, map_uc);
 }
 
 static __init void uv_rtc_init(void)
 {
-       long status, ticks_per_sec, drift;
+       long status;
+       u64 ticks_per_sec;
 
-       status =
-           x86_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
-                                       &drift);
-       if (status != 0 || ticks_per_sec < 100000) {
+       status = uv_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK,
+                                       &ticks_per_sec);
+       if (status != BIOS_STATUS_SUCCESS || ticks_per_sec < 100000) {
                printk(KERN_WARNING
                        "unable to determine platform RTC clock frequency, "
                        "guessing.\n");
@@ -356,7 +355,24 @@ static __init void uv_rtc_init(void)
                sn_rtc_cycles_per_second = ticks_per_sec;
 }
 
-static __init void uv_system_init(void)
+/*
+ * Called on each cpu to initialize the per_cpu UV data area.
+ *     ZZZ hotplug not supported yet
+ */
+void __cpuinit uv_cpu_init(void)
+{
+       /* CPU 0 initilization will be done via uv_system_init. */
+       if (!uv_blade_info)
+               return;
+
+       uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
+
+       if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
+               set_x2apic_extra_bits(uv_hub_info->pnode);
+}
+
+
+void __init uv_system_init(void)
 {
        union uvh_si_addr_map_config_u m_n_config;
        union uvh_node_id_u node_id;
@@ -381,16 +397,16 @@ static __init void uv_system_init(void)
        printk(KERN_DEBUG "UV: Found %d blades\n", uv_num_possible_blades());
 
        bytes = sizeof(struct uv_blade_info) * uv_num_possible_blades();
-       uv_blade_info = alloc_bootmem_pages(bytes);
+       uv_blade_info = kmalloc(bytes, GFP_KERNEL);
 
        get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
 
        bytes = sizeof(uv_node_to_blade[0]) * num_possible_nodes();
-       uv_node_to_blade = alloc_bootmem_pages(bytes);
+       uv_node_to_blade = kmalloc(bytes, GFP_KERNEL);
        memset(uv_node_to_blade, 255, bytes);
 
        bytes = sizeof(uv_cpu_to_blade[0]) * num_possible_cpus();
-       uv_cpu_to_blade = alloc_bootmem_pages(bytes);
+       uv_cpu_to_blade = kmalloc(bytes, GFP_KERNEL);
        memset(uv_cpu_to_blade, 255, bytes);
 
        blade = 0;
@@ -410,6 +426,9 @@ static __init void uv_system_init(void)
        gnode_upper = (((unsigned long)node_id.s.node_id) &
                       ~((1 << n_val) - 1)) << m_val;
 
+       uv_bios_init();
+       uv_bios_get_sn_info(0, &uv_type, &sn_partition_id,
+                           &uv_coherency_id, &uv_region_size);
        uv_rtc_init();
 
        for_each_present_cpu(cpu) {
@@ -431,7 +450,7 @@ static __init void uv_system_init(void)
                uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
                uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
                uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
-               uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
+               uv_cpu_hub_info(cpu)->coherency_domain_number = uv_coherency_id;
                uv_node_to_blade[nid] = blade;
                uv_cpu_to_blade[cpu] = blade;
                max_pnode = max(pnode, max_pnode);
@@ -446,21 +465,6 @@ static __init void uv_system_init(void)
        map_mmr_high(max_pnode);
        map_config_high(max_pnode);
        map_mmioh_high(max_pnode);
-}
-
-/*
- * Called on each cpu to initialize the per_cpu UV data area.
- *     ZZZ hotplug not supported yet
- */
-void __cpuinit uv_cpu_init(void)
-{
-       if (!uv_node_to_blade)
-               uv_system_init();
-
-       uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
 
-       if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
-               set_x2apic_extra_bits(uv_hub_info->pnode);
+       uv_cpu_init();
 }
-
-