static long ps3_hpte_insert(unsigned long hpte_group, unsigned long vpn, unsigned long pa, unsigned long rflags, unsigned long vflags, int psize, int apsize, int ssize) { int result; u64 hpte_v, hpte_r; u64 inserted_index; u64 evicted_v, evicted_r; u64 hpte_v_array[4], hpte_rs; unsigned long flags; long ret = -1; /* * lv1_insert_htab_entry() will search for victim * entry in both primary and secondary pte group */ vflags &= ~HPTE_V_SECONDARY; hpte_v = hpte_encode_v(vpn, psize, apsize, ssize) | vflags | HPTE_V_VALID; hpte_r = hpte_encode_r(ps3_mm_phys_to_lpar(pa), psize, apsize) | rflags; spin_lock_irqsave(&ps3_htab_lock, flags); /* talk hvc to replace entries BOLTED == 0 */ result = lv1_insert_htab_entry(PS3_LPAR_VAS_ID_CURRENT, hpte_group, hpte_v, hpte_r, HPTE_V_BOLTED, 0, &inserted_index, &evicted_v, &evicted_r); if (result) { /* all entries bolted !*/ pr_info("%s:result=%s vpn=%lx pa=%lx ix=%lx v=%llx r=%llx\n", __func__, ps3_result(result), vpn, pa, hpte_group, hpte_v, hpte_r); BUG(); } /* * see if the entry is inserted into secondary pteg */ result = lv1_read_htab_entries(PS3_LPAR_VAS_ID_CURRENT, inserted_index & ~0x3UL, &hpte_v_array[0], &hpte_v_array[1], &hpte_v_array[2], &hpte_v_array[3], &hpte_rs); BUG_ON(result); if (hpte_v_array[inserted_index % 4] & HPTE_V_SECONDARY) ret = (inserted_index & 7) | (1 << 3); else ret = inserted_index & 7; spin_unlock_irqrestore(&ps3_htab_lock, flags); return ret; }
static long ps3_hpte_updatepp(unsigned long slot, unsigned long newpp, unsigned long va, int psize, int ssize, int local) { int result; u64 hpte_v, want_v, hpte_rs; u64 hpte_v_array[4]; unsigned long flags; long ret; want_v = hpte_encode_v(va, psize, ssize); spin_lock_irqsave(&ps3_htab_lock, flags); result = lv1_read_htab_entries(PS3_LPAR_VAS_ID_CURRENT, slot & ~0x3UL, &hpte_v_array[0], &hpte_v_array[1], &hpte_v_array[2], &hpte_v_array[3], &hpte_rs); if (result) { pr_info("%s: res=%d read va=%lx slot=%lx psize=%d\n", __func__, result, va, slot, psize); BUG(); } hpte_v = hpte_v_array[slot % 4]; /* * As lv1_read_htab_entries() does not give us the RPN, we can * not synthesize the new hpte_r value here, and therefore can * not update the hpte with lv1_insert_htab_entry(), so we <<<<<<< HEAD * instead invalidate it and ask the caller to update it via ======= * insted invalidate it and ask the caller to update it via >>>>>>> 296c66da8a02d52243f45b80521febece5ed498a * ps3_hpte_insert() by returning a -1 value. */ if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) { /* not found */ ret = -1; } else { /* entry found, just invalidate it */ result = lv1_write_htab_entry(PS3_LPAR_VAS_ID_CURRENT, slot, 0, 0); ret = -1; } spin_unlock_irqrestore(&ps3_htab_lock, flags); return ret; }