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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/misc/sgi-gru
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--drivers/misc/sgi-gru/gru.h4
-rw-r--r--drivers/misc/sgi-gru/gru_instructions.h12
-rw-r--r--drivers/misc/sgi-gru/grufile.c72
-rw-r--r--drivers/misc/sgi-gru/gruhandles.c6
-rw-r--r--drivers/misc/sgi-gru/grumain.c4
5 files changed, 2 insertions, 96 deletions
diff --git a/drivers/misc/sgi-gru/gru.h b/drivers/misc/sgi-gru/gru.h
index 3ad76cd18b..6ae0450372 100644
--- a/drivers/misc/sgi-gru/gru.h
+++ b/drivers/misc/sgi-gru/gru.h
@@ -30,9 +30,7 @@
/*
* Size used to map GRU GSeg
*/
-#if defined(CONFIG_IA64)
-#define GRU_GSEG_PAGESIZE (256 * 1024UL)
-#elif defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_64)
#define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */
#else
#error "Unsupported architecture"
diff --git a/drivers/misc/sgi-gru/gru_instructions.h b/drivers/misc/sgi-gru/gru_instructions.h
index 04d5170ac1..da5eb9edf9 100644
--- a/drivers/misc/sgi-gru/gru_instructions.h
+++ b/drivers/misc/sgi-gru/gru_instructions.h
@@ -29,17 +29,7 @@ extern void gru_wait_abort_proc(void *cb);
* Architecture dependent functions
*/
-#if defined(CONFIG_IA64)
-#include <linux/compiler.h>
-#include <asm/intrinsics.h>
-#define __flush_cache(p) ia64_fc((unsigned long)p)
-/* Use volatile on IA64 to ensure ordering via st4.rel */
-#define gru_ordered_store_ulong(p, v) \
- do { \
- barrier(); \
- *((volatile unsigned long *)(p)) = v; /* force st.rel */ \
- } while (0)
-#elif defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_64)
#include <asm/cacheflush.h>
#define __flush_cache(p) clflush(p)
#define gru_ordered_store_ulong(p, v) \
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index a3d659c11c..e755690c98 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -337,72 +337,6 @@ static unsigned long gru_chiplet_cpu_to_mmr(int chiplet, int cpu, int *corep)
return mmr;
}
-#ifdef CONFIG_IA64
-
-static int gru_irq_count[GRU_CHIPLETS_PER_BLADE];
-
-static void gru_noop(struct irq_data *d)
-{
-}
-
-static struct irq_chip gru_chip[GRU_CHIPLETS_PER_BLADE] = {
- [0 ... GRU_CHIPLETS_PER_BLADE - 1] {
- .irq_mask = gru_noop,
- .irq_unmask = gru_noop,
- .irq_ack = gru_noop
- }
-};
-
-static int gru_chiplet_setup_tlb_irq(int chiplet, char *irq_name,
- irq_handler_t irq_handler, int cpu, int blade)
-{
- unsigned long mmr;
- int irq = IRQ_GRU + chiplet;
- int ret, core;
-
- mmr = gru_chiplet_cpu_to_mmr(chiplet, cpu, &core);
- if (mmr == 0)
- return 0;
-
- if (gru_irq_count[chiplet] == 0) {
- gru_chip[chiplet].name = irq_name;
- ret = irq_set_chip(irq, &gru_chip[chiplet]);
- if (ret) {
- printk(KERN_ERR "%s: set_irq_chip failed, errno=%d\n",
- GRU_DRIVER_ID_STR, -ret);
- return ret;
- }
-
- ret = request_irq(irq, irq_handler, 0, irq_name, NULL);
- if (ret) {
- printk(KERN_ERR "%s: request_irq failed, errno=%d\n",
- GRU_DRIVER_ID_STR, -ret);
- return ret;
- }
- }
- gru_irq_count[chiplet]++;
-
- return 0;
-}
-
-static void gru_chiplet_teardown_tlb_irq(int chiplet, int cpu, int blade)
-{
- unsigned long mmr;
- int core, irq = IRQ_GRU + chiplet;
-
- if (gru_irq_count[chiplet] == 0)
- return;
-
- mmr = gru_chiplet_cpu_to_mmr(chiplet, cpu, &core);
- if (mmr == 0)
- return;
-
- if (--gru_irq_count[chiplet] == 0)
- free_irq(irq, NULL);
-}
-
-#elif defined CONFIG_X86_64
-
static int gru_chiplet_setup_tlb_irq(int chiplet, char *irq_name,
irq_handler_t irq_handler, int cpu, int blade)
{
@@ -447,8 +381,6 @@ static void gru_chiplet_teardown_tlb_irq(int chiplet, int cpu, int blade)
}
}
-#endif
-
static void gru_teardown_tlb_irqs(void)
{
int blade;
@@ -514,12 +446,8 @@ static int __init gru_init(void)
if (!gru_supported())
return 0;
-#if defined CONFIG_IA64
- gru_start_paddr = 0xd000000000UL; /* ZZZZZZZZZZZZZZZZZZZ fixme */
-#else
gru_start_paddr = uv_read_local_mmr(UVH_RH_GAM_GRU_OVERLAY_CONFIG) &
0x7fffffffffffUL;
-#endif
gru_start_vaddr = __va(gru_start_paddr);
gru_end_paddr = gru_start_paddr + GRU_MAX_BLADES * GRU_SIZE;
printk(KERN_INFO "GRU space: 0x%lx - 0x%lx\n",
diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c
index 1d75d5e540..695316a83b 100644
--- a/drivers/misc/sgi-gru/gruhandles.c
+++ b/drivers/misc/sgi-gru/gruhandles.c
@@ -11,16 +11,10 @@
#include "grutables.h"
/* 10 sec */
-#ifdef CONFIG_IA64
-#include <asm/processor.h>
-#define GRU_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
-#define CLKS2NSEC(c) ((c) *1000000000 / local_cpu_data->itc_freq)
-#else
#include <linux/sync_core.h>
#include <asm/tsc.h>
#define GRU_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
#define CLKS2NSEC(c) ((c) * 1000000 / tsc_khz)
-#endif
/* Extract the status field from a kernel handle */
#define GET_MSEG_HANDLE_STATUS(h) (((*(unsigned long *)(h)) >> 16) & 3)
diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c
index 4eb4b94551..0f5b09e290 100644
--- a/drivers/misc/sgi-gru/grumain.c
+++ b/drivers/misc/sgi-gru/grumain.c
@@ -41,16 +41,12 @@ struct device *grudev = &gru_device;
*/
int gru_cpu_fault_map_id(void)
{
-#ifdef CONFIG_IA64
- return uv_blade_processor_id() % GRU_NUM_TFM;
-#else
int cpu = smp_processor_id();
int id, core;
core = uv_cpu_core_number(cpu);
id = core + UV_MAX_INT_CORES * uv_cpu_socket_number(cpu);
return id;
-#endif
}
/*--------- ASID Management -------------------------------------------