/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * PCI Express nexus driver tunables */ #include #include #include #include #include "px_space.h" /*LINTLIBRARY*/ uint32_t px_spurintr_duration = 60000000; /* One minute */ uint64_t px_spurintr_msgs = PX_SPURINTR_MSG_DEFAULT; /* * The following variable enables a workaround for the following obp bug: * * 1234181 - obp should set latency timer registers in pci * configuration header * * Until this bug gets fixed in the obp, the following workaround should * be enabled. */ uint_t px_set_latency_timer_register = 1; /* * The following driver parameters are defined as variables to allow * patching for debugging and tuning. Flags that can be set on a per * PBM basis are bit fields where the PBM device instance number maps * to the bit position. */ uint_t px_mmu_error_intr_enable = (uint_t)-1; uint_t px_rerun_disable = 0; uint_t px_error_intr_enable = (uint_t)-1; uint_t px_dwsync_disable = 0; uint_t px_intsync_disable = 0; uint_t px_intr_retry_intv = 5; /* for interrupt retry reg */ uint8_t px_latency_timer = 0x40; /* for pci latency timer reg */ uint_t px_panic_on_fatal_errors = 1; /* should be 1 at beta */ uint_t px_thermal_intr_fatal = 1; /* thermal interrupts fatal */ uint_t px_buserr_interrupt = 1; /* safari buserr interrupt */ uint_t px_ctx_no_active_flush = 0; /* cannot handle active ctx flush */ uint_t px_use_contexts = 1; hrtime_t px_intrpend_timeout = 5ull * NANOSEC; /* 5 seconds in nanoseconds */ uint64_t px_perr_fatal = -1ull; uint64_t px_serr_fatal = -1ull; uint64_t px_errtrig_pa = 0x0; /* * The following flag controls behavior of the ino handler routine * when multiple interrupts are attached to a single ino. Typically * this case would occur for the ino's assigned to the PCI bus slots * with multi-function devices or bus bridges. * * Setting the flag to zero causes the ino handler routine to return * after finding the first interrupt handler to claim the interrupt. * * Setting the flag to non-zero causes the ino handler routine to * return after making one complete pass through the interrupt * handlers. */ uint_t px_check_all_handlers = 1; /* * The following value is the number of consecutive unclaimed interrupts that * will be tolerated for a particular ino_p before the interrupt is deemed to * be jabbering and is blocked. */ uint_t px_unclaimed_intr_max = 20; /* * The following value will cause the nexus driver to block an ino after * px_unclaimed_intr_max unclaimed interrupts have been seen. Setting this * value to 0 will cause interrupts to never be blocked, no matter how many * unclaimed interrupts are seen on a particular ino. */ uint_t px_unclaimed_intr_block = 1; uint_t px_lock_tlb = 0; uint64_t px_dvma_debug_on = 0; uint64_t px_dvma_debug_off = 0; uint32_t px_dvma_debug_rec = 512; /* * dvma address space allocation cache variables */ uint_t px_dvma_page_cache_entries = 0x200; /* # of chunks (1 << bits) */ uint_t px_dvma_page_cache_clustsz = 0x8; /* # of pages per chunk */ #ifdef PX_DMA_PROF uint_t px_dvmaft_npages = 0; /* FT fail due npages */ uint_t px_dvmaft_limit = 0; /* FT fail due limits */ uint_t px_dvmaft_free = 0; /* FT free */ uint_t px_dvmaft_success = 0; /* FT success */ uint_t px_dvmaft_exhaust = 0; /* FT vmem fallback */ uint_t px_dvma_vmem_alloc = 0; /* vmem alloc */ uint_t px_dvma_vmem_xalloc = 0; /* vmem xalloc */ uint_t px_dvma_vmem_xfree = 0; /* vmem xfree */ uint_t px_dvma_vmem_free = 0; /* vmem free */ #endif uint_t px_disable_fdvma = 0; uint_t px_mmu_ctx_lock_failure = 0; /* * This flag preserves prom MMU settings by copying prom TSB entries * to corresponding kernel TSB entry locations. It should be removed * after the interface properties from obp have become default. */ uint_t px_preserve_mmu_tsb = 1; /* * memory callback list id callback list for kmem_alloc failure clients */ uintptr_t px_kmem_clid = 0; uint64_t px_tlu_ue_intr_mask = PX_ERR_EN_ALL; uint64_t px_tlu_ue_log_mask = PX_ERR_EN_ALL; uint64_t px_tlu_ue_count_mask = PX_ERR_EN_ALL; uint64_t px_tlu_ce_intr_mask = PX_ERR_MASK_NONE; uint64_t px_tlu_ce_log_mask = PX_ERR_MASK_NONE; uint64_t px_tlu_ce_count_mask = PX_ERR_MASK_NONE; /* * Do not enable Link Interrupts */ uint64_t px_tlu_oe_intr_mask = PX_ERR_EN_ALL & ~0x80000000800; uint64_t px_tlu_oe_log_mask = PX_ERR_EN_ALL & ~0x80000000800; uint64_t px_tlu_oe_count_mask = PX_ERR_EN_ALL; uint64_t px_mmu_intr_mask = PX_ERR_EN_ALL; uint64_t px_mmu_log_mask = PX_ERR_EN_ALL; uint64_t px_mmu_count_mask = PX_ERR_EN_ALL; uint64_t px_imu_intr_mask = PX_ERR_EN_ALL; uint64_t px_imu_log_mask = PX_ERR_EN_ALL; uint64_t px_imu_count_mask = PX_ERR_EN_ALL; /* * (1ull << ILU_INTERRUPT_ENABLE_IHB_PE_S) | * (1ull << ILU_INTERRUPT_ENABLE_IHB_PE_P); */ uint64_t px_ilu_intr_mask = (((uint64_t)0x10 << 32) | 0x10); uint64_t px_ilu_log_mask = (((uint64_t)0x10 << 32) | 0x10); uint64_t px_ilu_count_mask = PX_ERR_EN_ALL; uint64_t px_cb_intr_mask = PX_ERR_EN_ALL; uint64_t px_cb_log_mask = PX_ERR_EN_ALL; uint64_t px_cb_count_mask = PX_ERR_EN_ALL; /* * LPU Intr Registers are reverse encoding from the registers above. * 1 = disable * 0 = enable * * Log and Count are however still the same. */ uint64_t px_lpul_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpul_log_mask = PX_ERR_EN_ALL; uint64_t px_lpul_count_mask = PX_ERR_EN_ALL; uint64_t px_lpup_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpup_log_mask = PX_ERR_EN_ALL; uint64_t px_lpup_count_mask = PX_ERR_EN_ALL; uint64_t px_lpur_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpur_log_mask = PX_ERR_EN_ALL; uint64_t px_lpur_count_mask = PX_ERR_EN_ALL; uint64_t px_lpux_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpux_log_mask = PX_ERR_EN_ALL; uint64_t px_lpux_count_mask = PX_ERR_EN_ALL; uint64_t px_lpus_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpus_log_mask = PX_ERR_EN_ALL; uint64_t px_lpus_count_mask = PX_ERR_EN_ALL; uint64_t px_lpug_intr_mask = LPU_INTR_DISABLE; uint64_t px_lpug_log_mask = PX_ERR_EN_ALL; uint64_t px_lpug_count_mask = PX_ERR_EN_ALL; /* timeout in micro seconds for receiving PME_To_ACK */ uint64_t px_pme_to_ack_timeout = PX_PME_TO_ACK_TIMEOUT; /* timeout in micro seconds for receiving link up interrupt */ uint64_t px_linkup_timeout = PX_LINKUP_TIMEOUT; /* PIL at which PME_To_ACK message interrupt is handled */ uint32_t px_pwr_pil = PX_PWR_PIL; uint32_t px_max_l1_tries = PX_MAX_L1_TRIES;