aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/pseries
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-02-12 22:43:25 -0800
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-02-12 22:43:25 -0800
commitd9bc125caf592b7d081021f32ce5b717efdf70c8 (patch)
tree263b7066ba22ddce21db610c0300f6eaac6f2064 /arch/powerpc/platforms/pseries
parent43d78ef2ba5bec26d0315859e8324bfc0be23766 (diff)
parentec2f9d1331f658433411c58077871e1eef4ee1b4 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts: net/sunrpc/auth_gss/gss_krb5_crypto.c net/sunrpc/auth_gss/gss_spkm3_token.c net/sunrpc/clnt.c Merge with mainline and fix conflicts.
Diffstat (limited to 'arch/powerpc/platforms/pseries')
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c21
-rw-r--r--arch/powerpc/platforms/pseries/eeh_driver.c3
-rw-r--r--arch/powerpc/platforms/pseries/firmware.c1
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c2
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c55
-rw-r--r--arch/powerpc/platforms/pseries/pci.c2
-rw-r--r--arch/powerpc/platforms/pseries/reconfig.c3
-rw-r--r--arch/powerpc/platforms/pseries/rtasd.c2
-rw-r--r--arch/powerpc/platforms/pseries/scanlog.c2
9 files changed, 76 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index da6e5362e7c..6cedbc002e0 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -747,6 +747,7 @@ struct eeh_early_enable_info {
/* Enable eeh for the given device node. */
static void *early_enable_eeh(struct device_node *dn, void *data)
{
+ unsigned int rets[3];
struct eeh_early_enable_info *info = data;
int ret;
const char *status = get_property(dn, "status", NULL);
@@ -803,16 +804,14 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
regs[0], info->buid_hi, info->buid_lo,
EEH_ENABLE);
+ enable = 0;
if (ret == 0) {
- eeh_subsystem_enabled = 1;
- pdn->eeh_mode |= EEH_MODE_SUPPORTED;
pdn->eeh_config_addr = regs[0];
/* If the newer, better, ibm,get-config-addr-info is supported,
* then use that instead. */
pdn->eeh_pe_config_addr = 0;
if (ibm_get_config_addr_info != RTAS_UNKNOWN_SERVICE) {
- unsigned int rets[2];
ret = rtas_call (ibm_get_config_addr_info, 4, 2, rets,
pdn->eeh_config_addr,
info->buid_hi, info->buid_lo,
@@ -820,6 +819,20 @@ static void *early_enable_eeh(struct device_node *dn, void *data)
if (ret == 0)
pdn->eeh_pe_config_addr = rets[0];
}
+
+ /* Some older systems (Power4) allow the
+ * ibm,set-eeh-option call to succeed even on nodes
+ * where EEH is not supported. Verify support
+ * explicitly. */
+ ret = read_slot_reset_state(pdn, rets);
+ if ((ret == 0) && (rets[1] == 1))
+ enable = 1;
+ }
+
+ if (enable) {
+ eeh_subsystem_enabled = 1;
+ pdn->eeh_mode |= EEH_MODE_SUPPORTED;
+
#ifdef DEBUG
printk(KERN_DEBUG "EEH: %s: eeh enabled, config=%x pe_config=%x\n",
dn->full_name, pdn->eeh_config_addr, pdn->eeh_pe_config_addr);
@@ -1065,7 +1078,7 @@ static int proc_eeh_open(struct inode *inode, struct file *file)
return single_open(file, proc_eeh_show, NULL);
}
-static struct file_operations proc_eeh_operations = {
+static const struct file_operations proc_eeh_operations = {
.open = proc_eeh_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index cbd6b0711ab..a4c0bf84ef2 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -446,7 +446,8 @@ excess_failures:
*/
printk(KERN_ERR
"EEH: PCI device at location=%s driver=%s pci addr=%s \n"
- "has failed %d times and has been permanently disabled. \n"
+ "has failed %d times in the last hour "
+ "and has been permanently disabled. \n"
"Please try reseating this device or replacing it.\n",
location, drv_str, pci_str, frozen_pdn->eeh_freeze_count);
goto perm_error;
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 1c7b2baa5f7..90522e3c9d4 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -59,6 +59,7 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
{FW_FEATURE_XDABR, "hcall-xdabr"},
{FW_FEATURE_MULTITCE, "hcall-multi-tce"},
{FW_FEATURE_SPLPAR, "hcall-splpar"},
+ {FW_FEATURE_BULK_REMOVE, "hcall-bulk"},
};
/* Build up the firmware features bitmask using the contents of
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index 3ddc04925d5..eae51ef9af2 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -90,7 +90,7 @@ static int hcall_inst_seq_open(struct inode *inode, struct file *file)
return rc;
}
-static struct file_operations hcall_inst_seq_fops = {
+static const struct file_operations hcall_inst_seq_fops = {
.open = hcall_inst_seq_open,
.read = seq_read,
.llseek = seq_lseek,
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 721436db3ef..7496005566e 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -502,23 +502,70 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
BUG_ON(lpar_rc != H_SUCCESS);
}
+/* Flag bits for H_BULK_REMOVE */
+#define HBR_REQUEST 0x4000000000000000UL
+#define HBR_RESPONSE 0x8000000000000000UL
+#define HBR_END 0xc000000000000000UL
+#define HBR_AVPN 0x0200000000000000UL
+#define HBR_ANDCOND 0x0100000000000000UL
+
/*
* Take a spinlock around flushes to avoid bouncing the hypervisor tlbie
* lock.
*/
static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
{
- int i;
+ unsigned long i, pix, rc;
unsigned long flags = 0;
struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE);
+ unsigned long param[9];
+ unsigned long va;
+ unsigned long hash, index, shift, hidx, slot;
+ real_pte_t pte;
+ int psize;
if (lock_tlbie)
spin_lock_irqsave(&pSeries_lpar_tlbie_lock, flags);
- for (i = 0; i < number; i++)
- flush_hash_page(batch->vaddr[i], batch->pte[i],
- batch->psize, local);
+ psize = batch->psize;
+ pix = 0;
+ for (i = 0; i < number; i++) {
+ va = batch->vaddr[i];
+ pte = batch->pte[i];
+ pte_iterate_hashed_subpages(pte, psize, va, index, shift) {
+ hash = hpt_hash(va, shift);
+ hidx = __rpte_to_hidx(pte, index);
+ if (hidx & _PTEIDX_SECONDARY)
+ hash = ~hash;
+ slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
+ slot += hidx & _PTEIDX_GROUP_IX;
+ if (!firmware_has_feature(FW_FEATURE_BULK_REMOVE)) {
+ pSeries_lpar_hpte_invalidate(slot, va, psize,
+ local);
+ } else {
+ param[pix] = HBR_REQUEST | HBR_AVPN | slot;
+ param[pix+1] = hpte_encode_v(va, psize) &
+ HPTE_V_AVPN;
+ pix += 2;
+ if (pix == 8) {
+ rc = plpar_hcall9(H_BULK_REMOVE, param,
+ param[0], param[1], param[2],
+ param[3], param[4], param[5],
+ param[6], param[7]);
+ BUG_ON(rc != H_SUCCESS);
+ pix = 0;
+ }
+ }
+ } pte_iterate_hashed_end();
+ }
+ if (pix) {
+ param[pix] = HBR_END;
+ rc = plpar_hcall9(H_BULK_REMOVE, param, param[0], param[1],
+ param[2], param[3], param[4], param[5],
+ param[6], param[7]);
+ BUG_ON(rc != H_SUCCESS);
+ }
if (lock_tlbie)
spin_unlock_irqrestore(&pSeries_lpar_tlbie_lock, flags);
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 715db5c8990..c69bd15ced9 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -77,7 +77,7 @@ void __init pSeries_final_fixup(void)
/*
* Assume the winbond 82c105 is the IDE controller on a
- * p610. We should probably be more careful in case
+ * p610/p615/p630. We should probably be more careful in case
* someone tries to plug in a similar adapter.
*/
static void fixup_winbond_82c105(struct pci_dev* dev)
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 4ad33e41b00..5aa97aff339 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -499,7 +499,7 @@ out:
return rv ? rv : count;
}
-static struct file_operations ofdt_fops = {
+static const struct file_operations ofdt_fops = {
.write = ofdt_write
};
@@ -513,7 +513,6 @@ static int proc_ppc64_create_ofdt(void)
ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL);
if (ent) {
- ent->nlink = 1;
ent->data = NULL;
ent->size = 0;
ent->proc_fops = &ofdt_fops;
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index 8ca2612221d..77d0937d5c0 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -331,7 +331,7 @@ static unsigned int rtas_log_poll(struct file *file, poll_table * wait)
return 0;
}
-struct file_operations proc_rtas_log_operations = {
+const struct file_operations proc_rtas_log_operations = {
.read = rtas_log_read,
.poll = rtas_log_poll,
.open = rtas_log_open,
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index 45368a57d7d..8e1ef168e2d 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -184,7 +184,7 @@ static int scanlog_release(struct inode * inode, struct file * file)
return 0;
}
-struct file_operations scanlog_fops = {
+const struct file_operations scanlog_fops = {
.owner = THIS_MODULE,
.read = scanlog_read,
.write = scanlog_write,