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-rw-r--r--arch/powerpc/platforms/cell/spu_base.c6
-rw-r--r--arch/powerpc/platforms/cell/spufs/switch.c2
-rw-r--r--arch/powerpc/platforms/celleb/htab.c34
-rw-r--r--arch/powerpc/platforms/iseries/htab.c13
-rw-r--r--arch/powerpc/platforms/ps3/htab.c14
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c89
6 files changed, 86 insertions, 72 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index b5a21177bb3..c83c3e3f517 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -168,7 +168,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
#else
psize = mm->context.user_psize;
#endif
- vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
+ vsid = (get_vsid(mm->context.id, ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
SLB_VSID_USER;
break;
case VMALLOC_REGION_ID:
@@ -176,12 +176,12 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
psize = mmu_vmalloc_psize;
else
psize = mmu_io_psize;
- vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
+ vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
SLB_VSID_KERNEL;
break;
case KERNEL_REGION_ID:
psize = mmu_linear_psize;
- vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
+ vsid = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
SLB_VSID_KERNEL;
break;
default:
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index de7e5ee451d..3d64c81cc6e 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -699,7 +699,7 @@ static inline void get_kernel_slb(u64 ea, u64 slb[2])
llp = mmu_psize_defs[mmu_linear_psize].sllp;
else
llp = mmu_psize_defs[mmu_virtual_psize].sllp;
- slb[0] = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
+ slb[0] = (get_kernel_vsid(ea, MMU_SEGSIZE_256M) << SLB_VSID_SHIFT) |
SLB_VSID_KERNEL | llp;
slb[1] = (ea & ESID_MASK) | SLB_ESID_V;
}
diff --git a/arch/powerpc/platforms/celleb/htab.c b/arch/powerpc/platforms/celleb/htab.c
index 5e75c77ea8f..fbf27c74ebd 100644
--- a/arch/powerpc/platforms/celleb/htab.c
+++ b/arch/powerpc/platforms/celleb/htab.c
@@ -90,7 +90,7 @@ static inline unsigned int beat_read_mask(unsigned hpte_group)
static long beat_lpar_hpte_insert(unsigned long hpte_group,
unsigned long va, unsigned long pa,
unsigned long rflags, unsigned long vflags,
- int psize)
+ int psize, int ssize)
{
unsigned long lpar_rc;
unsigned long slot;
@@ -105,7 +105,8 @@ static long beat_lpar_hpte_insert(unsigned long hpte_group,
"rflags=%lx, vflags=%lx, psize=%d)\n",
hpte_group, va, pa, rflags, vflags, psize);
- hpte_v = hpte_encode_v(va, psize) | vflags | HPTE_V_VALID;
+ hpte_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M) |
+ vflags | HPTE_V_VALID;
hpte_r = hpte_encode_r(pa, psize) | rflags;
if (!(vflags & HPTE_V_BOLTED))
@@ -184,12 +185,12 @@ static void beat_lpar_hptab_clear(void)
static long beat_lpar_hpte_updatepp(unsigned long slot,
unsigned long newpp,
unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long lpar_rc;
unsigned long dummy0, dummy1, want_v;
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
DBG_LOW(" update: "
"avpnv=%016lx, slot=%016lx, psize: %d, newpp %016lx ... ",
@@ -225,8 +226,8 @@ static long beat_lpar_hpte_find(unsigned long va, int psize)
long slot;
unsigned long want_v, hpte_v;
- hash = hpt_hash(va, mmu_psize_defs[psize].shift);
- want_v = hpte_encode_v(va, psize);
+ hash = hpt_hash(va, mmu_psize_defs[psize].shift, MMU_SEGSIZE_256M);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
for (j = 0; j < 2; j++) {
slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
@@ -251,11 +252,11 @@ static long beat_lpar_hpte_find(unsigned long va, int psize)
static void beat_lpar_hpte_updateboltedpp(unsigned long newpp,
unsigned long ea,
- int psize)
+ int psize, int ssize)
{
unsigned long lpar_rc, slot, vsid, va, dummy0, dummy1;
- vsid = get_kernel_vsid(ea);
+ vsid = get_kernel_vsid(ea, MMU_SEGSIZE_256M);
va = (vsid << 28) | (ea & 0x0fffffff);
spin_lock(&beat_htab_lock);
@@ -270,7 +271,7 @@ static void beat_lpar_hpte_updateboltedpp(unsigned long newpp,
}
static void beat_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long want_v;
unsigned long lpar_rc;
@@ -279,7 +280,7 @@ static void beat_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
DBG_LOW(" inval : slot=%lx, va=%016lx, psize: %d, local: %d\n",
slot, va, psize, local);
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
spin_lock_irqsave(&beat_htab_lock, flags);
dummy1 = beat_lpar_hpte_getword0(slot);
@@ -310,7 +311,7 @@ void __init hpte_init_beat(void)
static long beat_lpar_hpte_insert_v3(unsigned long hpte_group,
unsigned long va, unsigned long pa,
unsigned long rflags, unsigned long vflags,
- int psize)
+ int psize, int ssize)
{
unsigned long lpar_rc;
unsigned long slot;
@@ -325,7 +326,8 @@ static long beat_lpar_hpte_insert_v3(unsigned long hpte_group,
"rflags=%lx, vflags=%lx, psize=%d)\n",
hpte_group, va, pa, rflags, vflags, psize);
- hpte_v = hpte_encode_v(va, psize) | vflags | HPTE_V_VALID;
+ hpte_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M) |
+ vflags | HPTE_V_VALID;
hpte_r = hpte_encode_r(pa, psize) | rflags;
if (!(vflags & HPTE_V_BOLTED))
@@ -363,13 +365,13 @@ static long beat_lpar_hpte_insert_v3(unsigned long hpte_group,
static long beat_lpar_hpte_updatepp_v3(unsigned long slot,
unsigned long newpp,
unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long lpar_rc;
unsigned long want_v;
unsigned long pss;
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
pss = (psize == MMU_PAGE_4K) ? -1UL : mmu_psize_defs[psize].penc;
DBG_LOW(" update: "
@@ -391,7 +393,7 @@ static long beat_lpar_hpte_updatepp_v3(unsigned long slot,
}
static void beat_lpar_hpte_invalidate_v3(unsigned long slot, unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long want_v;
unsigned long lpar_rc;
@@ -399,7 +401,7 @@ static void beat_lpar_hpte_invalidate_v3(unsigned long slot, unsigned long va,
DBG_LOW(" inval : slot=%lx, va=%016lx, psize: %d, local: %d\n",
slot, va, psize, local);
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
pss = (psize == MMU_PAGE_4K) ? -1UL : mmu_psize_defs[psize].penc;
lpar_rc = beat_invalidate_htab_entry3(0, slot, want_v, pss);
diff --git a/arch/powerpc/platforms/iseries/htab.c b/arch/powerpc/platforms/iseries/htab.c
index b4e2c7a038e..15a7097e5dd 100644
--- a/arch/powerpc/platforms/iseries/htab.c
+++ b/arch/powerpc/platforms/iseries/htab.c
@@ -86,7 +86,8 @@ long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
}
- lhpte.v = hpte_encode_v(va, MMU_PAGE_4K) | vflags | HPTE_V_VALID;
+ lhpte.v = hpte_encode_v(va, MMU_PAGE_4K, MMU_SEGSIZE_256M) |
+ vflags | HPTE_V_VALID;
lhpte.r = hpte_encode_r(phys_to_abs(pa), MMU_PAGE_4K) | rflags;
/* Now fill in the actual HPTE */
@@ -142,7 +143,7 @@ static long iSeries_hpte_remove(unsigned long hpte_group)
* bits 61..63 : PP2,PP1,PP0
*/
static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp,
- unsigned long va, int psize, int local)
+ unsigned long va, int psize, int ssize, int local)
{
struct hash_pte hpte;
unsigned long want_v;
@@ -150,7 +151,7 @@ static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp,
iSeries_hlock(slot);
HvCallHpt_get(&hpte, slot);
- want_v = hpte_encode_v(va, MMU_PAGE_4K);
+ want_v = hpte_encode_v(va, MMU_PAGE_4K, MMU_SEGSIZE_256M);
if (HPTE_V_COMPARE(hpte.v, want_v) && (hpte.v & HPTE_V_VALID)) {
/*
@@ -205,14 +206,14 @@ static long iSeries_hpte_find(unsigned long vpn)
* No need to lock here because we should be the only user.
*/
static void iSeries_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
- int psize)
+ int psize, int ssize)
{
unsigned long vsid,va,vpn;
long slot;
BUG_ON(psize != MMU_PAGE_4K);
- vsid = get_kernel_vsid(ea);
+ vsid = get_kernel_vsid(ea, MMU_SEGSIZE_256M);
va = (vsid << 28) | (ea & 0x0fffffff);
vpn = va >> HW_PAGE_SHIFT;
slot = iSeries_hpte_find(vpn);
@@ -222,7 +223,7 @@ static void iSeries_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
}
static void iSeries_hpte_invalidate(unsigned long slot, unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long hpte_v;
unsigned long avpn = va >> 23;
diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c
index 5d2e176a1b1..7382f195c4f 100644
--- a/arch/powerpc/platforms/ps3/htab.c
+++ b/arch/powerpc/platforms/ps3/htab.c
@@ -60,7 +60,8 @@ static void _debug_dump_hpte(unsigned long pa, unsigned long va,
}
static long ps3_hpte_insert(unsigned long hpte_group, unsigned long va,
- unsigned long pa, unsigned long rflags, unsigned long vflags, int psize)
+ unsigned long pa, unsigned long rflags, unsigned long vflags,
+ int psize, int ssize)
{
unsigned long slot;
struct hash_pte lhpte;
@@ -72,7 +73,8 @@ static long ps3_hpte_insert(unsigned long hpte_group, unsigned long va,
vflags &= ~HPTE_V_SECONDARY; /* this bit is ignored */
- lhpte.v = hpte_encode_v(va, psize) | vflags | HPTE_V_VALID;
+ lhpte.v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M) |
+ vflags | HPTE_V_VALID;
lhpte.r = hpte_encode_r(ps3_mm_phys_to_lpar(pa), psize) | rflags;
p_pteg = hpte_group / HPTES_PER_GROUP;
@@ -167,14 +169,14 @@ static long ps3_hpte_remove(unsigned long hpte_group)
}
static long ps3_hpte_updatepp(unsigned long slot, unsigned long newpp,
- unsigned long va, int psize, int local)
+ unsigned long va, int psize, int ssize, int local)
{
unsigned long flags;
unsigned long result;
unsigned long pteg, bit;
unsigned long hpte_v, want_v;
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_v(va, psize, MMU_SEGSIZE_256M);
spin_lock_irqsave(&ps3_bolttab_lock, flags);
@@ -205,13 +207,13 @@ static long ps3_hpte_updatepp(unsigned long slot, unsigned long newpp,
}
static void ps3_hpte_updateboltedpp(unsigned long newpp, unsigned long ea,
- int psize)
+ int psize, int ssize)
{
panic("ps3_hpte_updateboltedpp() not implemented");
}
static void ps3_hpte_invalidate(unsigned long slot, unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long flags;
unsigned long result;
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ea327ca345c..9a455d46379 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -284,7 +284,7 @@ void vpa_init(int cpu)
static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
unsigned long va, unsigned long pa,
unsigned long rflags, unsigned long vflags,
- int psize)
+ int psize, int ssize)
{
unsigned long lpar_rc;
unsigned long flags;
@@ -296,7 +296,7 @@ static long pSeries_lpar_hpte_insert(unsigned long hpte_group,
"rflags=%lx, vflags=%lx, psize=%d)\n",
hpte_group, va, pa, rflags, vflags, psize);
- hpte_v = hpte_encode_v(va, psize) | vflags | HPTE_V_VALID;
+ hpte_v = hpte_encode_v(va, psize, ssize) | vflags | HPTE_V_VALID;
hpte_r = hpte_encode_r(pa, psize) | rflags;
if (!(vflags & HPTE_V_BOLTED))
@@ -392,6 +392,22 @@ static void pSeries_lpar_hptab_clear(void)
}
/*
+ * This computes the AVPN and B fields of the first dword of a HPTE,
+ * for use when we want to match an existing PTE. The bottom 7 bits
+ * of the returned value are zero.
+ */
+static inline unsigned long hpte_encode_avpn(unsigned long va, int psize,
+ int ssize)
+{
+ unsigned long v;
+
+ v = (va >> 23) & ~(mmu_psize_defs[psize].avpnm);
+ v <<= HPTE_V_AVPN_SHIFT;
+ v |= ((unsigned long) ssize) << HPTE_V_SSIZE_SHIFT;
+ return v;
+}
+
+/*
* NOTE: for updatepp ops we are fortunate that the linux "newpp" bits and
* the low 3 bits of flags happen to line up. So no transform is needed.
* We can probably optimize here and assume the high bits of newpp are
@@ -400,18 +416,18 @@ static void pSeries_lpar_hptab_clear(void)
static long pSeries_lpar_hpte_updatepp(unsigned long slot,
unsigned long newpp,
unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long lpar_rc;
unsigned long flags = (newpp & 7) | H_AVPN;
unsigned long want_v;
- want_v = hpte_encode_v(va, psize);
+ want_v = hpte_encode_avpn(va, psize, ssize);
DBG_LOW(" update: avpnv=%016lx, hash=%016lx, f=%x, psize: %d ... ",
- want_v & HPTE_V_AVPN, slot, flags, psize);
+ want_v, slot, flags, psize);
- lpar_rc = plpar_pte_protect(flags, slot, want_v & HPTE_V_AVPN);
+ lpar_rc = plpar_pte_protect(flags, slot, want_v);
if (lpar_rc == H_NOT_FOUND) {
DBG_LOW("not found !\n");
@@ -444,32 +460,25 @@ static unsigned long pSeries_lpar_hpte_getword0(unsigned long slot)
return dword0;
}
-static long pSeries_lpar_hpte_find(unsigned long va, int psize)
+static long pSeries_lpar_hpte_find(unsigned long va, int psize, int ssize)
{
unsigned long hash;
- unsigned long i, j;
+ unsigned long i;
long slot;
unsigned long want_v, hpte_v;
- hash = hpt_hash(va, mmu_psize_defs[psize].shift);
- want_v = hpte_encode_v(va, psize);
-
- for (j = 0; j < 2; j++) {
- slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
- for (i = 0; i < HPTES_PER_GROUP; i++) {
- hpte_v = pSeries_lpar_hpte_getword0(slot);
-
- if (HPTE_V_COMPARE(hpte_v, want_v)
- && (hpte_v & HPTE_V_VALID)
- && (!!(hpte_v & HPTE_V_SECONDARY) == j)) {
- /* HPTE matches */
- if (j)
- slot = -slot;
- return slot;
- }
- ++slot;
- }
- hash = ~hash;
+ hash = hpt_hash(va, mmu_psize_defs[psize].shift, ssize);
+ want_v = hpte_encode_avpn(va, psize, ssize);
+
+ /* Bolted entries are always in the primary group */
+ slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
+ for (i = 0; i < HPTES_PER_GROUP; i++) {
+ hpte_v = pSeries_lpar_hpte_getword0(slot);
+
+ if (HPTE_V_COMPARE(hpte_v, want_v) && (hpte_v & HPTE_V_VALID))
+ /* HPTE matches */
+ return slot;
+ ++slot;
}
return -1;
@@ -477,14 +486,14 @@ static long pSeries_lpar_hpte_find(unsigned long va, int psize)
static void pSeries_lpar_hpte_updateboltedpp(unsigned long newpp,
unsigned long ea,
- int psize)
+ int psize, int ssize)
{
unsigned long lpar_rc, slot, vsid, va, flags;
- vsid = get_kernel_vsid(ea);
- va = (vsid << 28) | (ea & 0x0fffffff);
+ vsid = get_kernel_vsid(ea, ssize);
+ va = hpt_va(ea, vsid, ssize);
- slot = pSeries_lpar_hpte_find(va, psize);
+ slot = pSeries_lpar_hpte_find(va, psize, ssize);
BUG_ON(slot == -1);
flags = newpp & 7;
@@ -494,7 +503,7 @@ static void pSeries_lpar_hpte_updateboltedpp(unsigned long newpp,
}
static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
- int psize, int local)
+ int psize, int ssize, int local)
{
unsigned long want_v;
unsigned long lpar_rc;
@@ -503,9 +512,8 @@ static void pSeries_lpar_hpte_invalidate(unsigned long slot, unsigned long va,
DBG_LOW(" inval : slot=%lx, va=%016lx, psize: %d, local: %d",
slot, va, psize, local);
- want_v = hpte_encode_v(va, psize);
- lpar_rc = plpar_pte_remove(H_AVPN, slot, want_v & HPTE_V_AVPN,
- &dummy1, &dummy2);
+ want_v = hpte_encode_avpn(va, psize, ssize);
+ lpar_rc = plpar_pte_remove(H_AVPN, slot, want_v, &dummy1, &dummy2);
if (lpar_rc == H_NOT_FOUND)
return;
@@ -533,18 +541,19 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
unsigned long va;
unsigned long hash, index, shift, hidx, slot;
real_pte_t pte;
- int psize;
+ int psize, ssize;
if (lock_tlbie)
spin_lock_irqsave(&pSeries_lpar_tlbie_lock, flags);
psize = batch->psize;
+ ssize = batch->ssize;
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);
+ hash = hpt_hash(va, shift, ssize);
hidx = __rpte_to_hidx(pte, index);
if (hidx & _PTEIDX_SECONDARY)
hash = ~hash;
@@ -552,11 +561,11 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
slot += hidx & _PTEIDX_GROUP_IX;
if (!firmware_has_feature(FW_FEATURE_BULK_REMOVE)) {
pSeries_lpar_hpte_invalidate(slot, va, psize,
- local);
+ ssize, local);
} else {
param[pix] = HBR_REQUEST | HBR_AVPN | slot;
- param[pix+1] = hpte_encode_v(va, psize) &
- HPTE_V_AVPN;
+ param[pix+1] = hpte_encode_avpn(va, psize,
+ ssize);
pix += 2;
if (pix == 8) {
rc = plpar_hcall9(H_BULK_REMOVE, param,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 02:29:46 +0000