From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/scsi/megaraid/megaraid_sas_fusion.c | 1354 ++++++++++++++++++++++++++++++++++++----------------------
1 files changed, 844 insertions(+), 510 deletions(-)
diff --git a/kernel/drivers/scsi/megaraid/megaraid_sas_fusion.c b/kernel/drivers/scsi/megaraid/megaraid_sas_fusion.c
index bdb12bf..8eb126d 100644
--- a/kernel/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/kernel/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1,34 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Linux MegaRAID driver for SAS based RAID controllers
*
* Copyright (c) 2009-2013 LSI Corporation
- * Copyright (c) 2013-2014 Avago Technologies
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * Copyright (c) 2013-2016 Avago Technologies
+ * Copyright (c) 2016-2018 Broadcom Inc.
*
* FILE: megaraid_sas_fusion.c
*
- * Authors: Avago Technologies
+ * Authors: Broadcom Inc.
* Sumant Patro
* Adam Radford
- * Kashyap Desai <kashyap.desai@avagotech.com>
- * Sumit Saxena <sumit.saxena@avagotech.com>
+ * Kashyap Desai <kashyap.desai@broadcom.com>
+ * Sumit Saxena <sumit.saxena@broadcom.com>
*
- * Send feedback to: megaraidlinux.pdl@avagotech.com
- *
- * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
- * San Jose, California 95131
+ * Send feedback to: megaraidlinux.pdl@broadcom.com
*/
#include <linux/kernel.h>
@@ -48,6 +34,8 @@
#include <linux/mutex.h>
#include <linux/poll.h>
#include <linux/vmalloc.h>
+#include <linux/workqueue.h>
+#include <linux/irq_poll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -60,9 +48,6 @@
#include "megaraid_sas.h"
-extern void megasas_free_cmds(struct megasas_instance *instance);
-extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance
- *instance);
extern void
megasas_complete_cmd(struct megasas_instance *instance,
struct megasas_cmd *cmd, u8 alt_status);
@@ -70,24 +55,14 @@
wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd,
int seconds);
-void
-megasas_return_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd);
-int megasas_alloc_cmds(struct megasas_instance *instance);
int
-megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs);
-int
-megasas_issue_polled(struct megasas_instance *instance,
- struct megasas_cmd *cmd);
-void
-megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
+megasas_clear_intr_fusion(struct megasas_instance *instance);
int megasas_transition_to_ready(struct megasas_instance *instance, int ocr);
-void megaraid_sas_kill_hba(struct megasas_instance *instance);
extern u32 megasas_dbg_lvl;
int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
int initial);
-void megasas_start_timer(struct megasas_instance *instance);
extern struct megasas_mgmt_info megasas_mgmt_info;
extern unsigned int resetwaittime;
extern unsigned int dual_qdepth_disable;
@@ -95,14 +70,71 @@
static void megasas_free_reply_fusion(struct megasas_instance *instance);
static inline
void megasas_configure_queue_sizes(struct megasas_instance *instance);
+static void megasas_fusion_crash_dump(struct megasas_instance *instance);
+
+/**
+ * megasas_adp_reset_wait_for_ready - initiate chip reset and wait for
+ * controller to come to ready state
+ * @instance: adapter's soft state
+ * @do_adp_reset: If true, do a chip reset
+ * @ocr_context: If called from OCR context this will
+ * be set to 1, else 0
+ *
+ * This function initates a chip reset followed by a wait for controller to
+ * transition to ready state.
+ * During this, driver will block all access to PCI config space from userspace
+ */
+int
+megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
+ bool do_adp_reset,
+ int ocr_context)
+{
+ int ret = FAILED;
+
+ /*
+ * Block access to PCI config space from userspace
+ * when diag reset is initiated from driver
+ */
+ if (megasas_dbg_lvl & OCR_DEBUG)
+ dev_info(&instance->pdev->dev,
+ "Block access to PCI config space %s %d\n",
+ __func__, __LINE__);
+
+ pci_cfg_access_lock(instance->pdev);
+
+ if (do_adp_reset) {
+ if (instance->instancet->adp_reset
+ (instance, instance->reg_set))
+ goto out;
+ }
+
+ /* Wait for FW to become ready */
+ if (megasas_transition_to_ready(instance, ocr_context)) {
+ dev_warn(&instance->pdev->dev,
+ "Failed to transition controller to ready for scsi%d.\n",
+ instance->host->host_no);
+ goto out;
+ }
+
+ ret = SUCCESS;
+out:
+ if (megasas_dbg_lvl & OCR_DEBUG)
+ dev_info(&instance->pdev->dev,
+ "Unlock access to PCI config space %s %d\n",
+ __func__, __LINE__);
+
+ pci_cfg_access_unlock(instance->pdev);
+
+ return ret;
+}
/**
* megasas_check_same_4gb_region - check if allocation
* crosses same 4GB boundary or not
- * @instance - adapter's soft instance
- * start_addr - start address of DMA allocation
- * size - size of allocation in bytes
- * return - true : allocation does not cross same
+ * @instance: adapter's soft instance
+ * @start_addr: start address of DMA allocation
+ * @size: size of allocation in bytes
+ * @return: true : allocation does not cross same
* 4GB boundary
* false: allocation crosses same
* 4GB boundary
@@ -127,9 +159,9 @@
/**
* megasas_enable_intr_fusion - Enables interrupts
- * @regs: MFI register set
+ * @instance: adapter's soft instance
*/
-void
+static void
megasas_enable_intr_fusion(struct megasas_instance *instance)
{
struct megasas_register_set __iomem *regs;
@@ -143,35 +175,39 @@
writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
/* Dummy readl to force pci flush */
- readl(®s->outbound_intr_mask);
+ dev_info(&instance->pdev->dev, "%s is called outbound_intr_mask:0x%08x\n",
+ __func__, readl(®s->outbound_intr_mask));
}
/**
* megasas_disable_intr_fusion - Disables interrupt
- * @regs: MFI register set
+ * @instance: adapter's soft instance
*/
-void
+static void
megasas_disable_intr_fusion(struct megasas_instance *instance)
{
u32 mask = 0xFFFFFFFF;
- u32 status;
struct megasas_register_set __iomem *regs;
regs = instance->reg_set;
instance->mask_interrupts = 1;
writel(mask, ®s->outbound_intr_mask);
/* Dummy readl to force pci flush */
- status = readl(®s->outbound_intr_mask);
+ dev_info(&instance->pdev->dev, "%s is called outbound_intr_mask:0x%08x\n",
+ __func__, readl(®s->outbound_intr_mask));
}
int
-megasas_clear_intr_fusion(struct megasas_register_set __iomem *regs)
+megasas_clear_intr_fusion(struct megasas_instance *instance)
{
u32 status;
+ struct megasas_register_set __iomem *regs;
+ regs = instance->reg_set;
/*
* Check if it is our interrupt
*/
- status = readl(®s->outbound_intr_status);
+ status = megasas_readl(instance,
+ ®s->outbound_intr_status);
if (status & 1) {
writel(status, ®s->outbound_intr_status);
@@ -187,6 +223,7 @@
/**
* megasas_get_cmd_fusion - Get a command from the free pool
* @instance: Adapter soft state
+ * @blk_tag: Command tag
*
* Returns a blk_tag indexed mpt frame
*/
@@ -214,21 +251,17 @@
}
/**
- * megasas_fire_cmd_fusion - Sends command to the FW
- * @instance: Adapter soft state
- * @req_desc: 64bit Request descriptor
- *
- * Perform PCI Write.
+ * megasas_write_64bit_req_desc - PCI writes 64bit request descriptor
+ * @instance: Adapter soft state
+ * @req_desc: 64bit Request descriptor
*/
-
static void
-megasas_fire_cmd_fusion(struct megasas_instance *instance,
+megasas_write_64bit_req_desc(struct megasas_instance *instance,
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
{
#if defined(writeq) && defined(CONFIG_64BIT)
u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
le32_to_cpu(req_desc->u.low));
-
writeq(req_data, &instance->reg_set->inbound_low_queue_port);
#else
unsigned long flags;
@@ -237,15 +270,33 @@
&instance->reg_set->inbound_low_queue_port);
writel(le32_to_cpu(req_desc->u.high),
&instance->reg_set->inbound_high_queue_port);
- mmiowb();
spin_unlock_irqrestore(&instance->hba_lock, flags);
#endif
}
/**
+ * megasas_fire_cmd_fusion - Sends command to the FW
+ * @instance: Adapter soft state
+ * @req_desc: 32bit or 64bit Request descriptor
+ *
+ * Perform PCI Write. AERO SERIES supports 32 bit Descriptor.
+ * Prior to AERO_SERIES support 64 bit Descriptor.
+ */
+static void
+megasas_fire_cmd_fusion(struct megasas_instance *instance,
+ union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
+{
+ if (instance->atomic_desc_support)
+ writel(le32_to_cpu(req_desc->u.low),
+ &instance->reg_set->inbound_single_queue_port);
+ else
+ megasas_write_64bit_req_desc(instance, req_desc);
+}
+
+/**
* megasas_fusion_update_can_queue - Do all Adapter Queue depth related calculations here
- * @instance: Adapter soft state
- * fw_boot_context: Whether this function called during probe or after OCR
+ * @instance: Adapter soft state
+ * @fw_boot_context: Whether this function called during probe or after OCR
*
* This function is only for fusion controllers.
* Update host can queue, if firmware downgrade max supported firmware commands.
@@ -258,20 +309,18 @@
{
u16 cur_max_fw_cmds = 0;
u16 ldio_threshold = 0;
- struct megasas_register_set __iomem *reg_set;
- reg_set = instance->reg_set;
-
- /* ventura FW does not fill outbound_scratch_pad_3 with queue depth */
+ /* ventura FW does not fill outbound_scratch_pad_2 with queue depth */
if (instance->adapter_type < VENTURA_SERIES)
cur_max_fw_cmds =
- readl(&instance->reg_set->outbound_scratch_pad_3) & 0x00FFFF;
+ megasas_readl(instance,
+ &instance->reg_set->outbound_scratch_pad_2) & 0x00FFFF;
if (dual_qdepth_disable || !cur_max_fw_cmds)
- cur_max_fw_cmds = instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF;
+ cur_max_fw_cmds = instance->instancet->read_fw_status_reg(instance) & 0x00FFFF;
else
ldio_threshold =
- (instance->instancet->read_fw_status_reg(reg_set) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS;
+ (instance->instancet->read_fw_status_reg(instance) & 0x00FFFF) - MEGASAS_FUSION_IOCTL_CMDS;
dev_info(&instance->pdev->dev,
"Current firmware supports maximum commands: %d\t LDIO threshold: %d\n",
@@ -301,6 +350,35 @@
instance->max_fw_cmds = instance->max_fw_cmds-1;
}
}
+
+static inline void
+megasas_get_msix_index(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd,
+ struct megasas_cmd_fusion *cmd,
+ u8 data_arms)
+{
+ int sdev_busy;
+
+ /* nr_hw_queue = 1 for MegaRAID */
+ struct blk_mq_hw_ctx *hctx =
+ scmd->device->request_queue->queue_hw_ctx[0];
+
+ sdev_busy = atomic_read(&hctx->nr_active);
+
+ if (instance->perf_mode == MR_BALANCED_PERF_MODE &&
+ sdev_busy > (data_arms * MR_DEVICE_HIGH_IOPS_DEPTH))
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ mega_mod64((atomic64_add_return(1, &instance->high_iops_outstanding) /
+ MR_HIGH_IOPS_BATCH_COUNT), instance->low_latency_index_start);
+ else if (instance->msix_load_balance)
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ (mega_mod64(atomic64_add_return(1, &instance->total_io_count),
+ instance->msix_vectors));
+ else
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ instance->reply_map[raw_smp_processor_id()];
+}
+
/**
* megasas_free_cmds_fusion - Free all the cmds in the free cmd pool
* @instance: Adapter soft state
@@ -471,7 +549,7 @@
return 0;
}
-int
+static int
megasas_alloc_cmdlist_fusion(struct megasas_instance *instance)
{
u32 max_mpt_cmd, i, j;
@@ -510,7 +588,8 @@
return 0;
}
-int
+
+static int
megasas_alloc_request_fusion(struct megasas_instance *instance)
{
struct fusion_context *fusion;
@@ -592,7 +671,7 @@
return 0;
}
-int
+static int
megasas_alloc_reply_fusion(struct megasas_instance *instance)
{
int i, count;
@@ -669,7 +748,7 @@
return 0;
}
-int
+static int
megasas_alloc_rdpq_fusion(struct megasas_instance *instance)
{
int i, j, k, msix_count;
@@ -685,8 +764,9 @@
array_size = sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) *
MAX_MSIX_QUEUES_FUSION;
- fusion->rdpq_virt = pci_zalloc_consistent(instance->pdev, array_size,
- &fusion->rdpq_phys);
+ fusion->rdpq_virt = dma_alloc_coherent(&instance->pdev->dev,
+ array_size, &fusion->rdpq_phys,
+ GFP_KERNEL);
if (!fusion->rdpq_virt) {
dev_err(&instance->pdev->dev,
"Failed from %s %d\n", __func__, __LINE__);
@@ -808,13 +888,11 @@
}
- if (fusion->reply_frames_desc_pool)
- dma_pool_destroy(fusion->reply_frames_desc_pool);
- if (fusion->reply_frames_desc_pool_align)
- dma_pool_destroy(fusion->reply_frames_desc_pool_align);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool_align);
if (fusion->rdpq_virt)
- pci_free_consistent(instance->pdev,
+ dma_free_coherent(&instance->pdev->dev,
sizeof(struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY) * MAX_MSIX_QUEUES_FUSION,
fusion->rdpq_virt, fusion->rdpq_phys);
}
@@ -831,8 +909,7 @@
fusion->reply_frames_desc[0],
fusion->reply_frames_desc_phys[0]);
- if (fusion->reply_frames_desc_pool)
- dma_pool_destroy(fusion->reply_frames_desc_pool);
+ dma_pool_destroy(fusion->reply_frames_desc_pool);
}
@@ -853,7 +930,7 @@
* and is used as SMID of the cmd.
* SMID value range is from 1 to max_fw_cmds.
*/
-int
+static int
megasas_alloc_cmds_fusion(struct megasas_instance *instance)
{
int i;
@@ -925,6 +1002,7 @@
* wait_and_poll - Issues a polling command
* @instance: Adapter soft state
* @cmd: Command packet to be issued
+ * @seconds: Maximum poll time
*
* For polling, MFI requires the cmd_status to be set to 0xFF before posting.
*/
@@ -934,17 +1012,22 @@
{
int i;
struct megasas_header *frame_hdr = &cmd->frame->hdr;
- struct fusion_context *fusion;
+ u32 status_reg;
u32 msecs = seconds * 1000;
- fusion = instance->ctrl_context;
/*
* Wait for cmd_status to change
*/
for (i = 0; (i < msecs) && (frame_hdr->cmd_status == 0xff); i += 20) {
rmb();
msleep(20);
+ if (!(i % 5000)) {
+ status_reg = instance->instancet->read_fw_status_reg(instance)
+ & MFI_STATE_MASK;
+ if (status_reg == MFI_STATE_FAULT)
+ break;
+ }
}
if (frame_hdr->cmd_status == MFI_STAT_INVALID_STATUS)
@@ -975,9 +1058,10 @@
struct megasas_header *frame_hdr;
const char *sys_info;
MFI_CAPABILITIES *drv_ops;
- u32 scratch_pad_2;
+ u32 scratch_pad_1;
ktime_t time;
bool cur_fw_64bit_dma_capable;
+ bool cur_intr_coalescing;
fusion = instance->ctrl_context;
@@ -986,14 +1070,14 @@
cmd = fusion->ioc_init_cmd;
- scratch_pad_2 = readl
- (&instance->reg_set->outbound_scratch_pad_2);
+ scratch_pad_1 = megasas_readl
+ (instance, &instance->reg_set->outbound_scratch_pad_1);
- cur_rdpq_mode = (scratch_pad_2 & MR_RDPQ_MODE_OFFSET) ? 1 : 0;
+ cur_rdpq_mode = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ? 1 : 0;
if (instance->adapter_type == INVADER_SERIES) {
cur_fw_64bit_dma_capable =
- (scratch_pad_2 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET) ? true : false;
+ (scratch_pad_1 & MR_CAN_HANDLE_64_BIT_DMA_OFFSET) ? true : false;
if (instance->consistent_mask_64bit && !cur_fw_64bit_dma_capable) {
dev_err(&instance->pdev->dev, "Driver was operating on 64bit "
@@ -1011,7 +1095,17 @@
goto fail_fw_init;
}
- instance->fw_sync_cache_support = (scratch_pad_2 &
+ cur_intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ?
+ true : false;
+
+ if ((instance->low_latency_index_start ==
+ MR_HIGH_IOPS_QUEUE_COUNT) && cur_intr_coalescing)
+ instance->perf_mode = MR_BALANCED_PERF_MODE;
+
+ dev_info(&instance->pdev->dev, "Performance mode :%s\n",
+ MEGASAS_PERF_MODE_2STR(instance->perf_mode));
+
+ instance->fw_sync_cache_support = (scratch_pad_1 &
MR_CAN_HANDLE_SYNC_CACHE_OFFSET) ? 1 : 0;
dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n",
instance->fw_sync_cache_support ? "Yes" : "No");
@@ -1044,9 +1138,7 @@
frame_hdr = &cmd->frame->hdr;
frame_hdr->cmd_status = 0xFF;
- frame_hdr->flags = cpu_to_le16(
- le16_to_cpu(frame_hdr->flags) |
- MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
+ frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
init_frame->cmd = MFI_CMD_INIT;
init_frame->cmd_status = 0xFF;
@@ -1073,6 +1165,7 @@
drv_ops->mfi_capabilities.support_qd_throttling = 1;
drv_ops->mfi_capabilities.support_pd_map_target_id = 1;
drv_ops->mfi_capabilities.support_nvme_passthru = 1;
+ drv_ops->mfi_capabilities.support_fw_exposed_dev_list = 1;
if (instance->consistent_mask_64bit)
drv_ops->mfi_capabilities.support_64bit_mode = 1;
@@ -1096,6 +1189,22 @@
cpu_to_le32(lower_32_bits(ioc_init_handle));
init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST));
+ /*
+ * Each bit in replyqueue_mask represents one group of MSI-x vectors
+ * (each group has 8 vectors)
+ */
+ switch (instance->perf_mode) {
+ case MR_BALANCED_PERF_MODE:
+ init_frame->replyqueue_mask =
+ cpu_to_le16(~(~0 << instance->low_latency_index_start/8));
+ break;
+ case MR_IOPS_PERF_MODE:
+ init_frame->replyqueue_mask =
+ cpu_to_le16(~(~0 << instance->msix_vectors/8));
+ break;
+ }
+
+
req_desc.u.low = cpu_to_le32(lower_32_bits(cmd->frame_phys_addr));
req_desc.u.high = cpu_to_le32(upper_32_bits(cmd->frame_phys_addr));
req_desc.MFAIo.RequestFlags =
@@ -1108,20 +1217,32 @@
instance->instancet->disable_intr(instance);
for (i = 0; i < (10 * 1000); i += 20) {
- if (readl(&instance->reg_set->doorbell) & 1)
+ if (megasas_readl(instance, &instance->reg_set->doorbell) & 1)
msleep(20);
else
break;
}
- megasas_fire_cmd_fusion(instance, &req_desc);
+ /* For AERO also, IOC_INIT requires 64 bit descriptor write */
+ megasas_write_64bit_req_desc(instance, &req_desc);
- wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);
+ wait_and_poll(instance, cmd, MFI_IO_TIMEOUT_SECS);
frame_hdr = &cmd->frame->hdr;
if (frame_hdr->cmd_status != 0) {
ret = 1;
goto fail_fw_init;
+ }
+
+ if (instance->adapter_type >= AERO_SERIES) {
+ scratch_pad_1 = megasas_readl
+ (instance, &instance->reg_set->outbound_scratch_pad_1);
+
+ instance->atomic_desc_support =
+ (scratch_pad_1 & MR_ATOMIC_DESCRIPTOR_SUPPORT_OFFSET) ? 1 : 0;
+
+ dev_info(&instance->pdev->dev, "FW supports atomic descriptor\t: %s\n",
+ instance->atomic_desc_support ? "Yes" : "No");
}
return 0;
@@ -1146,7 +1267,7 @@
int
megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) {
int ret = 0;
- u32 pd_seq_map_sz;
+ size_t pd_seq_map_sz;
struct megasas_cmd *cmd;
struct megasas_dcmd_frame *dcmd;
struct fusion_context *fusion = instance->ctrl_context;
@@ -1155,9 +1276,7 @@
pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)];
pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)];
- pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
- (sizeof(struct MR_PD_CFG_SEQ) *
- (MAX_PHYSICAL_DEVICES - 1));
+ pd_seq_map_sz = struct_size(pd_sync, seq, MAX_PHYSICAL_DEVICES - 1);
cmd = megasas_get_cmd(instance);
if (!cmd) {
@@ -1210,7 +1329,9 @@
}
if (ret == DCMD_TIMEOUT)
- megaraid_sas_kill_hba(instance);
+ dev_warn(&instance->pdev->dev,
+ "%s DCMD timed out, continue without JBOD sequence map\n",
+ __func__);
if (ret == DCMD_SUCCESS)
instance->pd_seq_map_id++;
@@ -1292,7 +1413,9 @@
ret = megasas_issue_polled(instance, cmd);
if (ret == DCMD_TIMEOUT)
- megaraid_sas_kill_hba(instance);
+ dev_warn(&instance->pdev->dev,
+ "%s DCMD timed out, RAID map is disabled\n",
+ __func__);
megasas_return_cmd(instance, cmd);
@@ -1329,7 +1452,6 @@
struct megasas_cmd *cmd;
struct megasas_dcmd_frame *dcmd;
u16 num_lds;
- u32 size_sync_info;
struct fusion_context *fusion;
struct MR_LD_TARGET_SYNC *ci = NULL;
struct MR_DRV_RAID_MAP_ALL *map;
@@ -1357,8 +1479,6 @@
num_lds = le16_to_cpu(map->raidMap.ldCount);
dcmd = &cmd->frame->dcmd;
-
- size_sync_info = sizeof(struct MR_LD_TARGET_SYNC) *num_lds;
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
@@ -1560,14 +1680,12 @@
fusion = instance->ctrl_context;
max_cmd = instance->max_fw_cmds;
- if (instance->adapter_type == VENTURA_SERIES)
+ if (instance->adapter_type >= VENTURA_SERIES)
instance->max_mpt_cmds = instance->max_fw_cmds * RAID_1_PEER_CMDS;
else
instance->max_mpt_cmds = instance->max_fw_cmds;
- instance->max_scsi_cmds = instance->max_fw_cmds -
- (MEGASAS_FUSION_INTERNAL_CMDS +
- MEGASAS_FUSION_IOCTL_CMDS);
+ instance->max_scsi_cmds = instance->max_fw_cmds - instance->max_mfi_cmds;
instance->cur_can_queue = instance->max_scsi_cmds;
instance->host->can_queue = instance->cur_can_queue;
@@ -1628,8 +1746,7 @@
fusion->ioc_init_cmd->frame,
fusion->ioc_init_cmd->frame_phys_addr);
- if (fusion->ioc_init_cmd)
- kfree(fusion->ioc_init_cmd);
+ kfree(fusion->ioc_init_cmd);
}
/**
@@ -1638,17 +1755,15 @@
*
* This is the main function for initializing firmware.
*/
-u32
+static u32
megasas_init_adapter_fusion(struct megasas_instance *instance)
{
- struct megasas_register_set __iomem *reg_set;
struct fusion_context *fusion;
- u32 scratch_pad_2;
+ u32 scratch_pad_1;
int i = 0, count;
+ u32 status_reg;
fusion = instance->ctrl_context;
-
- reg_set = instance->reg_set;
megasas_fusion_update_can_queue(instance, PROBE_CONTEXT);
@@ -1660,20 +1775,21 @@
megasas_configure_queue_sizes(instance);
- scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2);
- /* If scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set,
+ scratch_pad_1 = megasas_readl(instance,
+ &instance->reg_set->outbound_scratch_pad_1);
+ /* If scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set,
* Firmware support extended IO chain frame which is 4 times more than
* legacy Firmware.
* Legacy Firmware - Frame size is (8 * 128) = 1K
* 1M IO Firmware - Frame size is (8 * 128 * 4) = 4K
*/
- if (scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK)
+ if (scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK)
instance->max_chain_frame_sz =
- ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
+ ((scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO;
else
instance->max_chain_frame_sz =
- ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
+ ((scratch_pad_1 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO;
if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) {
@@ -1728,8 +1844,21 @@
if (megasas_alloc_cmds_fusion(instance))
goto fail_alloc_cmds;
- if (megasas_ioc_init_fusion(instance))
- goto fail_ioc_init;
+ if (megasas_ioc_init_fusion(instance)) {
+ status_reg = instance->instancet->read_fw_status_reg(instance);
+ if (((status_reg & MFI_STATE_MASK) == MFI_STATE_FAULT) &&
+ (status_reg & MFI_RESET_ADAPTER)) {
+ /* Do a chip reset and then retry IOC INIT once */
+ if (megasas_adp_reset_wait_for_ready
+ (instance, true, 0) == FAILED)
+ goto fail_ioc_init;
+
+ if (megasas_ioc_init_fusion(instance))
+ goto fail_ioc_init;
+ } else {
+ goto fail_ioc_init;
+ }
+ }
megasas_display_intel_branding(instance);
if (megasas_get_ctrl_info(instance)) {
@@ -1741,6 +1870,7 @@
instance->flag_ieee = 1;
instance->r1_ldio_hint_default = MR_R1_LDIO_PIGGYBACK_DEFAULT;
+ instance->threshold_reply_count = instance->max_fw_cmds / 4;
fusion->fast_path_io = 0;
if (megasas_allocate_raid_maps(instance))
@@ -1761,13 +1891,100 @@
}
/**
- * map_cmd_status - Maps FW cmd status to OS cmd status
- * @cmd : Pointer to cmd
- * @status : status of cmd returned by FW
- * @ext_status : ext status of cmd returned by FW
+ * megasas_fault_detect_work - Worker function of
+ * FW fault handling workqueue.
+ * @work: FW fault work struct
*/
+static void
+megasas_fault_detect_work(struct work_struct *work)
+{
+ struct megasas_instance *instance =
+ container_of(work, struct megasas_instance,
+ fw_fault_work.work);
+ u32 fw_state, dma_state, status;
+
+ /* Check the fw state */
+ fw_state = instance->instancet->read_fw_status_reg(instance) &
+ MFI_STATE_MASK;
+
+ if (fw_state == MFI_STATE_FAULT) {
+ dma_state = instance->instancet->read_fw_status_reg(instance) &
+ MFI_STATE_DMADONE;
+ /* Start collecting crash, if DMA bit is done */
+ if (instance->crash_dump_drv_support &&
+ instance->crash_dump_app_support && dma_state) {
+ megasas_fusion_crash_dump(instance);
+ } else {
+ if (instance->unload == 0) {
+ status = megasas_reset_fusion(instance->host, 0);
+ if (status != SUCCESS) {
+ dev_err(&instance->pdev->dev,
+ "Failed from %s %d, do not re-arm timer\n",
+ __func__, __LINE__);
+ return;
+ }
+ }
+ }
+ }
+
+ if (instance->fw_fault_work_q)
+ queue_delayed_work(instance->fw_fault_work_q,
+ &instance->fw_fault_work,
+ msecs_to_jiffies(MEGASAS_WATCHDOG_THREAD_INTERVAL));
+}
+
+int
+megasas_fusion_start_watchdog(struct megasas_instance *instance)
+{
+ /* Check if the Fault WQ is already started */
+ if (instance->fw_fault_work_q)
+ return SUCCESS;
+
+ INIT_DELAYED_WORK(&instance->fw_fault_work, megasas_fault_detect_work);
+
+ snprintf(instance->fault_handler_work_q_name,
+ sizeof(instance->fault_handler_work_q_name),
+ "poll_megasas%d_status", instance->host->host_no);
+
+ instance->fw_fault_work_q =
+ create_singlethread_workqueue(instance->fault_handler_work_q_name);
+ if (!instance->fw_fault_work_q) {
+ dev_err(&instance->pdev->dev, "Failed from %s %d\n",
+ __func__, __LINE__);
+ return FAILED;
+ }
+
+ queue_delayed_work(instance->fw_fault_work_q,
+ &instance->fw_fault_work,
+ msecs_to_jiffies(MEGASAS_WATCHDOG_THREAD_INTERVAL));
+
+ return SUCCESS;
+}
void
+megasas_fusion_stop_watchdog(struct megasas_instance *instance)
+{
+ struct workqueue_struct *wq;
+
+ if (instance->fw_fault_work_q) {
+ wq = instance->fw_fault_work_q;
+ instance->fw_fault_work_q = NULL;
+ if (!cancel_delayed_work_sync(&instance->fw_fault_work))
+ flush_workqueue(wq);
+ destroy_workqueue(wq);
+ }
+}
+
+/**
+ * map_cmd_status - Maps FW cmd status to OS cmd status
+ * @fusion: fusion context
+ * @scmd: Pointer to cmd
+ * @status: status of cmd returned by FW
+ * @ext_status: ext status of cmd returned by FW
+ * @data_length: command data length
+ * @sense: command sense data
+ */
+static void
map_cmd_status(struct fusion_context *fusion,
struct scsi_cmnd *scmd, u8 status, u8 ext_status,
u32 data_length, u8 *sense)
@@ -1843,8 +2060,6 @@
megasas_is_prp_possible(struct megasas_instance *instance,
struct scsi_cmnd *scmd, int sge_count)
{
- struct fusion_context *fusion;
- int i;
u32 data_length = 0;
struct scatterlist *sg_scmd;
bool build_prp = false;
@@ -1852,7 +2067,6 @@
mr_nvme_pg_size = max_t(u32, instance->nvme_page_size,
MR_DEFAULT_NVME_PAGE_SIZE);
- fusion = instance->ctrl_context;
data_length = scsi_bufflen(scmd);
sg_scmd = scsi_sglist(scmd);
@@ -1872,66 +2086,6 @@
/* check if 1st SG entry size is < residual beyond 4 pages */
if (sg_dma_len(sg_scmd) < (data_length - (mr_nvme_pg_size * 4)))
build_prp = true;
- }
-
-/*
- * Below code detects gaps/holes in IO data buffers.
- * What does holes/gaps mean?
- * Any SGE except first one in a SGL starts at non NVME page size
- * aligned address OR Any SGE except last one in a SGL ends at
- * non NVME page size boundary.
- *
- * Driver has already informed block layer by setting boundary rules for
- * bio merging done at NVME page size boundary calling kernel API
- * blk_queue_virt_boundary inside slave_config.
- * Still there is possibility of IO coming with holes to driver because of
- * IO merging done by IO scheduler.
- *
- * With SCSI BLK MQ enabled, there will be no IO with holes as there is no
- * IO scheduling so no IO merging.
- *
- * With SCSI BLK MQ disabled, IO scheduler may attempt to merge IOs and
- * then sending IOs with holes.
- *
- * Though driver can request block layer to disable IO merging by calling-
- * blk_queue_flag_set(QUEUE_FLAG_NOMERGES, sdev->request_queue) but
- * user may tune sysfs parameter- nomerges again to 0 or 1.
- *
- * If in future IO scheduling is enabled with SCSI BLK MQ,
- * this algorithm to detect holes will be required in driver
- * for SCSI BLK MQ enabled case as well.
- *
- *
- */
- scsi_for_each_sg(scmd, sg_scmd, sge_count, i) {
- if ((i != 0) && (i != (sge_count - 1))) {
- if (mega_mod64(sg_dma_len(sg_scmd), mr_nvme_pg_size) ||
- mega_mod64(sg_dma_address(sg_scmd),
- mr_nvme_pg_size)) {
- build_prp = false;
- atomic_inc(&instance->sge_holes_type1);
- break;
- }
- }
-
- if ((sge_count > 1) && (i == 0)) {
- if ((mega_mod64((sg_dma_address(sg_scmd) +
- sg_dma_len(sg_scmd)),
- mr_nvme_pg_size))) {
- build_prp = false;
- atomic_inc(&instance->sge_holes_type2);
- break;
- }
- }
-
- if ((sge_count > 1) && (i == (sge_count - 1))) {
- if (mega_mod64(sg_dma_address(sg_scmd),
- mr_nvme_pg_size)) {
- build_prp = false;
- atomic_inc(&instance->sge_holes_type3);
- break;
- }
- }
}
return build_prp;
@@ -1965,11 +2119,8 @@
u32 first_prp_len;
bool build_prp = false;
int data_len = scsi_bufflen(scmd);
- struct fusion_context *fusion;
u32 mr_nvme_pg_size = max_t(u32, instance->nvme_page_size,
MR_DEFAULT_NVME_PAGE_SIZE);
-
- fusion = instance->ctrl_context;
build_prp = megasas_is_prp_possible(instance, scmd, sge_count);
@@ -2064,7 +2215,6 @@
main_chain_element->Length =
cpu_to_le32(num_prp_in_chain * sizeof(u64));
- atomic_inc(&instance->prp_sgl);
return build_prp;
}
@@ -2074,7 +2224,7 @@
* @scp: SCSI command from the mid-layer
* @sgl_ptr: SGL to be filled in
* @cmd: cmd we are working on
- * @sge_count sge count
+ * @sge_count: sge count
*
*/
static void
@@ -2139,7 +2289,6 @@
memset(sgl_ptr, 0, instance->max_chain_frame_sz);
}
}
- atomic_inc(&instance->ieee_sgl);
}
/**
@@ -2184,13 +2333,16 @@
/**
* megasas_set_pd_lba - Sets PD LBA
- * @cdb: CDB
+ * @io_request: IO request
* @cdb_len: cdb length
- * @start_blk: Start block of IO
+ * @io_info: IO information
+ * @scp: SCSI command
+ * @local_map_ptr: Raid map
+ * @ref_tag: Primary reference tag
*
* Used to set the PD LBA in CDB for FP IOs
*/
-void
+static void
megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len,
struct IO_REQUEST_INFO *io_info, struct scsi_cmnd *scp,
struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag)
@@ -2210,7 +2362,7 @@
cdb[0] = MEGASAS_SCSI_VARIABLE_LENGTH_CMD;
cdb[7] = MEGASAS_SCSI_ADDL_CDB_LEN;
- if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
+ if (scp->sc_data_direction == DMA_FROM_DEVICE)
cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_READ32;
else
cdb[9] = MEGASAS_SCSI_SERVICE_ACTION_WRITE32;
@@ -2239,7 +2391,7 @@
cdb[31] = (u8)(num_blocks & 0xff);
/* set SCSI IO EEDPFlags */
- if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) {
+ if (scp->sc_data_direction == DMA_FROM_DEVICE) {
io_request->EEDPFlags = cpu_to_le16(
MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
@@ -2444,16 +2596,19 @@
* affinity (cpu of the controller) and raid_flags in the raid context
* based on IO type.
*
+ * @fusion: Fusion context
* @praid_context: IO RAID context
* @raid: LD raid map
* @fp_possible: Is fast path possible?
* @is_read: Is read IO?
+ * @scsi_buff_len: SCSI command buffer length
*
*/
static void
-megasas_set_raidflag_cpu_affinity(union RAID_CONTEXT_UNION *praid_context,
- struct MR_LD_RAID *raid, bool fp_possible,
- u8 is_read, u32 scsi_buff_len)
+megasas_set_raidflag_cpu_affinity(struct fusion_context *fusion,
+ union RAID_CONTEXT_UNION *praid_context,
+ struct MR_LD_RAID *raid, bool fp_possible,
+ u8 is_read, u32 scsi_buff_len)
{
u8 cpu_sel = MR_RAID_CTX_CPUSEL_0;
struct RAID_CONTEXT_G35 *rctx_g35;
@@ -2511,11 +2666,11 @@
* vs MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS.
* IO Subtype is not bitmap.
*/
- if ((raid->level == 1) && (!is_read)) {
- if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE)
- praid_context->raid_context_g35.raid_flags =
- (MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT
- << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
+ if ((fusion->pcie_bw_limitation) && (raid->level == 1) && (!is_read) &&
+ (scsi_buff_len > MR_LARGE_IO_MIN_SIZE)) {
+ praid_context->raid_context_g35.raid_flags =
+ (MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT
+ << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT);
}
}
@@ -2528,7 +2683,7 @@
* Prepares the io_request and chain elements (sg_frame) for IO
* The IO can be for PD (Fast Path) or LD
*/
-void
+static void
megasas_build_ldio_fusion(struct megasas_instance *instance,
struct scsi_cmnd *scp,
struct megasas_cmd_fusion *cmd)
@@ -2538,27 +2693,27 @@
u32 start_lba_lo, start_lba_hi, device_id, datalength = 0;
u32 scsi_buff_len;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
- union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
struct IO_REQUEST_INFO io_info;
struct fusion_context *fusion;
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
u8 *raidLUN;
unsigned long spinlock_flags;
- union RAID_CONTEXT_UNION *praid_context;
struct MR_LD_RAID *raid = NULL;
struct MR_PRIV_DEVICE *mrdev_priv;
+ struct RAID_CONTEXT *rctx;
+ struct RAID_CONTEXT_G35 *rctx_g35;
device_id = MEGASAS_DEV_INDEX(scp);
fusion = instance->ctrl_context;
io_request = cmd->io_request;
- io_request->RaidContext.raid_context.virtual_disk_tgt_id =
- cpu_to_le16(device_id);
- io_request->RaidContext.raid_context.status = 0;
- io_request->RaidContext.raid_context.ex_status = 0;
+ rctx = &io_request->RaidContext.raid_context;
+ rctx_g35 = &io_request->RaidContext.raid_context_g35;
- req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc;
+ rctx->virtual_disk_tgt_id = cpu_to_le16(device_id);
+ rctx->status = 0;
+ rctx->ex_status = 0;
start_lba_lo = 0;
start_lba_hi = 0;
@@ -2621,8 +2776,9 @@
io_info.r1_alt_dev_handle = MR_DEVHANDLE_INVALID;
scsi_buff_len = scsi_bufflen(scp);
io_request->DataLength = cpu_to_le32(scsi_buff_len);
+ io_info.data_arms = 1;
- if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
+ if (scp->sc_data_direction == DMA_FROM_DEVICE)
io_info.isRead = 1;
local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
@@ -2632,21 +2788,17 @@
raid = MR_LdRaidGet(ld, local_map_ptr);
if (!raid || (!fusion->fast_path_io)) {
- io_request->RaidContext.raid_context.reg_lock_flags = 0;
+ rctx->reg_lock_flags = 0;
fp_possible = false;
} else {
- if (MR_BuildRaidContext(instance, &io_info,
- &io_request->RaidContext.raid_context,
+ if (MR_BuildRaidContext(instance, &io_info, rctx,
local_map_ptr, &raidLUN))
fp_possible = (io_info.fpOkForIo > 0) ? true : false;
}
- cmd->request_desc->SCSIIO.MSIxIndex =
- instance->reply_map[raw_smp_processor_id()];
+ megasas_get_msix_index(instance, scp, cmd, io_info.data_arms);
- praid_context = &io_request->RaidContext;
-
- if (instance->adapter_type == VENTURA_SERIES) {
+ if (instance->adapter_type >= VENTURA_SERIES) {
/* FP for Optimal raid level 1.
* All large RAID-1 writes (> 32 KiB, both WT and WB modes)
* are built by the driver as LD I/Os.
@@ -2662,8 +2814,9 @@
(instance->host->can_queue)) {
fp_possible = false;
atomic_dec(&instance->fw_outstanding);
- } else if ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) ||
- (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0)) {
+ } else if (fusion->pcie_bw_limitation &&
+ ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) ||
+ (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0))) {
fp_possible = false;
atomic_dec(&instance->fw_outstanding);
if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE)
@@ -2682,17 +2835,17 @@
/* In ventura if stream detected for a read and it is
* read ahead capable make this IO as LDIO
*/
- if (is_stream_detected(&io_request->RaidContext.raid_context_g35))
+ if (is_stream_detected(rctx_g35))
fp_possible = false;
}
/* If raid is NULL, set CPU affinity to default CPU0 */
if (raid)
- megasas_set_raidflag_cpu_affinity(praid_context,
+ megasas_set_raidflag_cpu_affinity(fusion, &io_request->RaidContext,
raid, fp_possible, io_info.isRead,
scsi_buff_len);
else
- praid_context->raid_context_g35.routing_flags |=
+ rctx_g35->routing_flags |=
(MR_RAID_CTX_CPUSEL_0 << MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT);
}
@@ -2704,25 +2857,16 @@
(MPI2_REQ_DESCRIPT_FLAGS_FP_IO
<< MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
if (instance->adapter_type == INVADER_SERIES) {
- if (io_request->RaidContext.raid_context.reg_lock_flags ==
- REGION_TYPE_UNUSED)
- cmd->request_desc->SCSIIO.RequestFlags =
- (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- io_request->RaidContext.raid_context.type
- = MPI2_TYPE_CUDA;
- io_request->RaidContext.raid_context.nseg = 0x1;
+ rctx->type = MPI2_TYPE_CUDA;
+ rctx->nseg = 0x1;
io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
- io_request->RaidContext.raid_context.reg_lock_flags |=
+ rctx->reg_lock_flags |=
(MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
MR_RL_FLAGS_SEQ_NUM_ENABLE);
- } else if (instance->adapter_type == VENTURA_SERIES) {
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (1 << RAID_CONTEXT_NSEG_SHIFT);
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
- io_request->RaidContext.raid_context_g35.routing_flags |=
- (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
+ } else if (instance->adapter_type >= VENTURA_SERIES) {
+ rctx_g35->nseg_type |= (1 << RAID_CONTEXT_NSEG_SHIFT);
+ rctx_g35->nseg_type |= (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
+ rctx_g35->routing_flags |= (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
io_request->IoFlags |=
cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
}
@@ -2735,17 +2879,15 @@
&io_info, local_map_ptr);
scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG;
cmd->pd_r1_lb = io_info.pd_after_lb;
- if (instance->adapter_type == VENTURA_SERIES)
- io_request->RaidContext.raid_context_g35.span_arm
- = io_info.span_arm;
+ if (instance->adapter_type >= VENTURA_SERIES)
+ rctx_g35->span_arm = io_info.span_arm;
else
- io_request->RaidContext.raid_context.span_arm
- = io_info.span_arm;
+ rctx->span_arm = io_info.span_arm;
} else
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
- if (instance->adapter_type == VENTURA_SERIES)
+ if (instance->adapter_type >= VENTURA_SERIES)
cmd->r1_alt_dev_handle = io_info.r1_alt_dev_handle;
else
cmd->r1_alt_dev_handle = MR_DEVHANDLE_INVALID;
@@ -2763,31 +2905,26 @@
/* populate the LUN field */
memcpy(io_request->LUN, raidLUN, 8);
} else {
- io_request->RaidContext.raid_context.timeout_value =
+ rctx->timeout_value =
cpu_to_le16(local_map_ptr->raidMap.fpPdIoTimeoutSec);
cmd->request_desc->SCSIIO.RequestFlags =
(MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO
<< MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
if (instance->adapter_type == INVADER_SERIES) {
if (io_info.do_fp_rlbypass ||
- (io_request->RaidContext.raid_context.reg_lock_flags
- == REGION_TYPE_UNUSED))
+ (rctx->reg_lock_flags == REGION_TYPE_UNUSED))
cmd->request_desc->SCSIIO.RequestFlags =
(MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- io_request->RaidContext.raid_context.type
- = MPI2_TYPE_CUDA;
- io_request->RaidContext.raid_context.reg_lock_flags |=
+ rctx->type = MPI2_TYPE_CUDA;
+ rctx->reg_lock_flags |=
(MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
- MR_RL_FLAGS_SEQ_NUM_ENABLE);
- io_request->RaidContext.raid_context.nseg = 0x1;
- } else if (instance->adapter_type == VENTURA_SERIES) {
- io_request->RaidContext.raid_context_g35.routing_flags |=
- (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (1 << RAID_CONTEXT_NSEG_SHIFT);
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
+ MR_RL_FLAGS_SEQ_NUM_ENABLE);
+ rctx->nseg = 0x1;
+ } else if (instance->adapter_type >= VENTURA_SERIES) {
+ rctx_g35->routing_flags |= (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
+ rctx_g35->nseg_type |= (1 << RAID_CONTEXT_NSEG_SHIFT);
+ rctx_g35->nseg_type |= (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
}
io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
io_request->DevHandle = cpu_to_le16(device_id);
@@ -2798,7 +2935,7 @@
/**
* megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
*
* Prepares the io_request frame for non-rw io cmds for vd.
@@ -2856,7 +2993,7 @@
/* set RAID context values */
pRAID_Context->config_seq_num = raid->seqNum;
- if (instance->adapter_type != VENTURA_SERIES)
+ if (instance->adapter_type < VENTURA_SERIES)
pRAID_Context->reg_lock_flags = REGION_TYPE_SHARED_READ;
pRAID_Context->timeout_value =
cpu_to_le16(raid->fpIoTimeoutForLd);
@@ -2886,7 +3023,7 @@
/**
* megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd
* @instance: Adapter soft state
- * @scp: SCSI command
+ * @scmd: SCSI command
* @cmd: Command to be prepared
* @fp_possible: parameter to detect fast path or firmware path io.
*
@@ -2927,50 +3064,60 @@
<< MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
/* If FW supports PD sequence number */
- if (instance->use_seqnum_jbod_fp &&
- instance->pd_list[pd_index].driveType == TYPE_DISK) {
- /* TgtId must be incremented by 255 as jbod seq number is index
- * below raid map
- */
- /* More than 256 PD/JBOD support for Ventura */
- if (instance->support_morethan256jbod)
- pRAID_Context->virtual_disk_tgt_id =
- pd_sync->seq[pd_index].pd_target_id;
- else
- pRAID_Context->virtual_disk_tgt_id =
- cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
- pRAID_Context->config_seq_num = pd_sync->seq[pd_index].seqNum;
- io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
- if (instance->adapter_type == VENTURA_SERIES) {
- io_request->RaidContext.raid_context_g35.routing_flags |=
- (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (1 << RAID_CONTEXT_NSEG_SHIFT);
- io_request->RaidContext.raid_context_g35.nseg_type |=
- (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
+ if (instance->support_seqnum_jbod_fp) {
+ if (instance->use_seqnum_jbod_fp &&
+ instance->pd_list[pd_index].driveType == TYPE_DISK) {
+
+ /* More than 256 PD/JBOD support for Ventura */
+ if (instance->support_morethan256jbod)
+ pRAID_Context->virtual_disk_tgt_id =
+ pd_sync->seq[pd_index].pd_target_id;
+ else
+ pRAID_Context->virtual_disk_tgt_id =
+ cpu_to_le16(device_id +
+ (MAX_PHYSICAL_DEVICES - 1));
+ pRAID_Context->config_seq_num =
+ pd_sync->seq[pd_index].seqNum;
+ io_request->DevHandle =
+ pd_sync->seq[pd_index].devHandle;
+ if (instance->adapter_type >= VENTURA_SERIES) {
+ io_request->RaidContext.raid_context_g35.routing_flags |=
+ (1 << MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT);
+ io_request->RaidContext.raid_context_g35.nseg_type |=
+ (1 << RAID_CONTEXT_NSEG_SHIFT);
+ io_request->RaidContext.raid_context_g35.nseg_type |=
+ (MPI2_TYPE_CUDA << RAID_CONTEXT_TYPE_SHIFT);
+ } else {
+ pRAID_Context->type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
+ pRAID_Context->reg_lock_flags |=
+ (MR_RL_FLAGS_SEQ_NUM_ENABLE |
+ MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ }
} else {
- pRAID_Context->type = MPI2_TYPE_CUDA;
- pRAID_Context->nseg = 0x1;
- pRAID_Context->reg_lock_flags |=
- (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ pRAID_Context->virtual_disk_tgt_id =
+ cpu_to_le16(device_id +
+ (MAX_PHYSICAL_DEVICES - 1));
+ pRAID_Context->config_seq_num = 0;
+ io_request->DevHandle = cpu_to_le16(0xFFFF);
}
- } else if (fusion->fast_path_io) {
- pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
- pRAID_Context->config_seq_num = 0;
- local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
- io_request->DevHandle =
- local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
} else {
- /* Want to send all IO via FW path */
pRAID_Context->virtual_disk_tgt_id = cpu_to_le16(device_id);
pRAID_Context->config_seq_num = 0;
- io_request->DevHandle = cpu_to_le16(0xFFFF);
+
+ if (fusion->fast_path_io) {
+ local_map_ptr =
+ fusion->ld_drv_map[(instance->map_id & 1)];
+ io_request->DevHandle =
+ local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
+ } else {
+ io_request->DevHandle = cpu_to_le16(0xFFFF);
+ }
}
cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
- cmd->request_desc->SCSIIO.MSIxIndex =
- instance->reply_map[raw_smp_processor_id()];
+ megasas_get_msix_index(instance, scmd, cmd, 1);
if (!fp_possible) {
/* system pd firmware path */
@@ -3010,7 +3157,7 @@
* Invokes helper functions to prepare request frames
* and sets flags appropriate for IO/Non-IO cmd
*/
-int
+static int
megasas_build_io_fusion(struct megasas_instance *instance,
struct scsi_cmnd *scp,
struct megasas_cmd_fusion *cmd)
@@ -3074,7 +3221,7 @@
return 1;
}
- if (instance->adapter_type == VENTURA_SERIES) {
+ if (instance->adapter_type >= VENTURA_SERIES) {
set_num_sge(&io_request->RaidContext.raid_context_g35, sge_count);
cpu_to_le16s(&io_request->RaidContext.raid_context_g35.routing_flags);
cpu_to_le16s(&io_request->RaidContext.raid_context_g35.nseg_type);
@@ -3089,9 +3236,9 @@
io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
- if (scp->sc_data_direction == PCI_DMA_TODEVICE)
+ if (scp->sc_data_direction == DMA_TO_DEVICE)
io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE);
- else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
+ else if (scp->sc_data_direction == DMA_FROM_DEVICE)
io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ);
io_request->SGLOffset0 =
@@ -3124,9 +3271,9 @@
/* megasas_prepate_secondRaid1_IO
* It prepares the raid 1 second IO
*/
-void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
- struct megasas_cmd_fusion *cmd,
- struct megasas_cmd_fusion *r1_cmd)
+static void megasas_prepare_secondRaid1_IO(struct megasas_instance *instance,
+ struct megasas_cmd_fusion *cmd,
+ struct megasas_cmd_fusion *r1_cmd)
{
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc, *req_desc2 = NULL;
struct fusion_context *fusion;
@@ -3150,9 +3297,9 @@
r1_cmd->request_desc->SCSIIO.DevHandle = cmd->r1_alt_dev_handle;
r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle;
r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle;
- cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid =
+ cmd->io_request->RaidContext.raid_context_g35.flow_specific.peer_smid =
cpu_to_le16(r1_cmd->index);
- r1_cmd->io_request->RaidContext.raid_context_g35.smid.peer_smid =
+ r1_cmd->io_request->RaidContext.raid_context_g35.flow_specific.peer_smid =
cpu_to_le16(cmd->index);
/*MSIxIndex of both commands request descriptors should be same*/
r1_cmd->request_desc->SCSIIO.MSIxIndex =
@@ -3175,9 +3322,6 @@
struct megasas_cmd_fusion *cmd, *r1_cmd = NULL;
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
u32 index;
- struct fusion_context *fusion;
-
- fusion = instance->ctrl_context;
if ((megasas_cmd_type(scmd) == READ_WRITE_LDIO) &&
instance->ldio_threshold &&
@@ -3256,7 +3400,7 @@
* megasas_complete_r1_command -
* completes R1 FP write commands which has valid peer smid
* @instance: Adapter soft state
- * @cmd_fusion: MPT command frame
+ * @cmd: MPT command frame
*
*/
static inline void
@@ -3273,7 +3417,7 @@
rctx_g35 = &cmd->io_request->RaidContext.raid_context_g35;
fusion = instance->ctrl_context;
- peer_smid = le16_to_cpu(rctx_g35->smid.peer_smid);
+ peer_smid = le16_to_cpu(rctx_g35->flow_specific.peer_smid);
r1_cmd = fusion->cmd_list[peer_smid - 1];
scmd_local = cmd->scmd;
@@ -3310,10 +3454,14 @@
/**
* complete_cmd_fusion - Completes command
* @instance: Adapter soft state
+ * @MSIxIndex: MSI number
+ * @irq_context: IRQ context
+ *
* Completes all commands that is in reply descriptor queue
*/
-int
-complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex)
+static int
+complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex,
+ struct megasas_irq_context *irq_context)
{
union MPI2_REPLY_DESCRIPTORS_UNION *desc;
struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR *reply_desc;
@@ -3386,7 +3534,7 @@
atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]);
cmd_fusion->scmd->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
}
- //Fall thru and complete IO
+ fallthrough; /* and complete IO */
case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */
atomic_dec(&instance->fw_outstanding);
if (cmd_fusion->r1_alt_dev_handle == MR_DEVHANDLE_INVALID) {
@@ -3446,7 +3594,7 @@
* number of reply counts and still there are more replies in reply queue
* pending to be completed
*/
- if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) {
+ if (threshold_reply_count >= instance->threshold_reply_count) {
if (instance->msix_combined)
writel(((MSIxIndex & 0x7) << 24) |
fusion->last_reply_idx[MSIxIndex],
@@ -3456,127 +3604,173 @@
fusion->last_reply_idx[MSIxIndex],
instance->reply_post_host_index_addr[0]);
threshold_reply_count = 0;
+ if (irq_context) {
+ if (!irq_context->irq_poll_scheduled) {
+ irq_context->irq_poll_scheduled = true;
+ irq_context->irq_line_enable = true;
+ irq_poll_sched(&irq_context->irqpoll);
+ }
+ return num_completed;
+ }
}
}
- if (!num_completed)
- return IRQ_NONE;
+ if (num_completed) {
+ wmb();
+ if (instance->msix_combined)
+ writel(((MSIxIndex & 0x7) << 24) |
+ fusion->last_reply_idx[MSIxIndex],
+ instance->reply_post_host_index_addr[MSIxIndex/8]);
+ else
+ writel((MSIxIndex << 24) |
+ fusion->last_reply_idx[MSIxIndex],
+ instance->reply_post_host_index_addr[0]);
+ megasas_check_and_restore_queue_depth(instance);
+ }
+ return num_completed;
+}
- wmb();
- if (instance->msix_combined)
- writel(((MSIxIndex & 0x7) << 24) |
- fusion->last_reply_idx[MSIxIndex],
- instance->reply_post_host_index_addr[MSIxIndex/8]);
- else
- writel((MSIxIndex << 24) |
- fusion->last_reply_idx[MSIxIndex],
- instance->reply_post_host_index_addr[0]);
- megasas_check_and_restore_queue_depth(instance);
- return IRQ_HANDLED;
+/**
+ * megasas_enable_irq_poll() - enable irqpoll
+ * @instance: Adapter soft state
+ */
+static void megasas_enable_irq_poll(struct megasas_instance *instance)
+{
+ u32 count, i;
+ struct megasas_irq_context *irq_ctx;
+
+ count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
+
+ for (i = 0; i < count; i++) {
+ irq_ctx = &instance->irq_context[i];
+ irq_poll_enable(&irq_ctx->irqpoll);
+ }
}
/**
* megasas_sync_irqs - Synchronizes all IRQs owned by adapter
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state address
*/
-void megasas_sync_irqs(unsigned long instance_addr)
+static void megasas_sync_irqs(unsigned long instance_addr)
{
u32 count, i;
struct megasas_instance *instance =
(struct megasas_instance *)instance_addr;
+ struct megasas_irq_context *irq_ctx;
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
- for (i = 0; i < count; i++)
+ for (i = 0; i < count; i++) {
synchronize_irq(pci_irq_vector(instance->pdev, i));
+ irq_ctx = &instance->irq_context[i];
+ irq_poll_disable(&irq_ctx->irqpoll);
+ if (irq_ctx->irq_poll_scheduled) {
+ irq_ctx->irq_poll_scheduled = false;
+ enable_irq(irq_ctx->os_irq);
+ complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
+ }
+ }
+}
+
+/**
+ * megasas_irqpoll() - process a queue for completed reply descriptors
+ * @irqpoll: IRQ poll structure associated with queue to poll.
+ * @budget: Threshold of reply descriptors to process per poll.
+ *
+ * Return: The number of entries processed.
+ */
+
+int megasas_irqpoll(struct irq_poll *irqpoll, int budget)
+{
+ struct megasas_irq_context *irq_ctx;
+ struct megasas_instance *instance;
+ int num_entries;
+
+ irq_ctx = container_of(irqpoll, struct megasas_irq_context, irqpoll);
+ instance = irq_ctx->instance;
+
+ if (irq_ctx->irq_line_enable) {
+ disable_irq_nosync(irq_ctx->os_irq);
+ irq_ctx->irq_line_enable = false;
+ }
+
+ num_entries = complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
+ if (num_entries < budget) {
+ irq_poll_complete(irqpoll);
+ irq_ctx->irq_poll_scheduled = false;
+ enable_irq(irq_ctx->os_irq);
+ complete_cmd_fusion(instance, irq_ctx->MSIxIndex, irq_ctx);
+ }
+
+ return num_entries;
}
/**
* megasas_complete_cmd_dpc_fusion - Completes command
- * @instance: Adapter soft state
+ * @instance_addr: Adapter soft state address
*
* Tasklet to complete cmds
*/
-void
+static void
megasas_complete_cmd_dpc_fusion(unsigned long instance_addr)
{
struct megasas_instance *instance =
(struct megasas_instance *)instance_addr;
- unsigned long flags;
+ struct megasas_irq_context *irq_ctx = NULL;
u32 count, MSIxIndex;
count = instance->msix_vectors > 0 ? instance->msix_vectors : 1;
/* If we have already declared adapter dead, donot complete cmds */
- spin_lock_irqsave(&instance->hba_lock, flags);
- if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
- spin_unlock_irqrestore(&instance->hba_lock, flags);
+ if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR)
return;
- }
- spin_unlock_irqrestore(&instance->hba_lock, flags);
- for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++)
- complete_cmd_fusion(instance, MSIxIndex);
+ for (MSIxIndex = 0 ; MSIxIndex < count; MSIxIndex++) {
+ irq_ctx = &instance->irq_context[MSIxIndex];
+ complete_cmd_fusion(instance, MSIxIndex, irq_ctx);
+ }
}
/**
* megasas_isr_fusion - isr entry point
+ * @irq: IRQ number
+ * @devp: IRQ context
*/
-irqreturn_t megasas_isr_fusion(int irq, void *devp)
+static irqreturn_t megasas_isr_fusion(int irq, void *devp)
{
struct megasas_irq_context *irq_context = devp;
struct megasas_instance *instance = irq_context->instance;
- u32 mfiStatus, fw_state, dma_state;
+ u32 mfiStatus;
if (instance->mask_interrupts)
return IRQ_NONE;
+ if (irq_context->irq_poll_scheduled)
+ return IRQ_HANDLED;
+
if (!instance->msix_vectors) {
- mfiStatus = instance->instancet->clear_intr(instance->reg_set);
+ mfiStatus = instance->instancet->clear_intr(instance);
if (!mfiStatus)
return IRQ_NONE;
}
/* If we are resetting, bail */
if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) {
- instance->instancet->clear_intr(instance->reg_set);
+ instance->instancet->clear_intr(instance);
return IRQ_HANDLED;
}
- if (!complete_cmd_fusion(instance, irq_context->MSIxIndex)) {
- instance->instancet->clear_intr(instance->reg_set);
- /* If we didn't complete any commands, check for FW fault */
- fw_state = instance->instancet->read_fw_status_reg(
- instance->reg_set) & MFI_STATE_MASK;
- dma_state = instance->instancet->read_fw_status_reg
- (instance->reg_set) & MFI_STATE_DMADONE;
- if (instance->crash_dump_drv_support &&
- instance->crash_dump_app_support) {
- /* Start collecting crash, if DMA bit is done */
- if ((fw_state == MFI_STATE_FAULT) && dma_state)
- schedule_work(&instance->crash_init);
- else if (fw_state == MFI_STATE_FAULT) {
- if (instance->unload == 0)
- schedule_work(&instance->work_init);
- }
- } else if (fw_state == MFI_STATE_FAULT) {
- dev_warn(&instance->pdev->dev, "Iop2SysDoorbellInt"
- "for scsi%d\n", instance->host->host_no);
- if (instance->unload == 0)
- schedule_work(&instance->work_init);
- }
- }
-
- return IRQ_HANDLED;
+ return complete_cmd_fusion(instance, irq_context->MSIxIndex, irq_context)
+ ? IRQ_HANDLED : IRQ_NONE;
}
/**
* build_mpt_mfi_pass_thru - builds a cmd fo MFI Pass thru
* @instance: Adapter soft state
- * mfi_cmd: megasas_cmd pointer
+ * @mfi_cmd: megasas_cmd pointer
*
*/
-void
+static void
build_mpt_mfi_pass_thru(struct megasas_instance *instance,
struct megasas_cmd *mfi_cmd)
{
@@ -3634,7 +3828,7 @@
* @cmd: mfi cmd to build
*
*/
-union MEGASAS_REQUEST_DESCRIPTOR_UNION *
+static union MEGASAS_REQUEST_DESCRIPTOR_UNION *
build_mpt_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
{
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc = NULL;
@@ -3660,7 +3854,7 @@
* @cmd: mfi cmd pointer
*
*/
-void
+static void
megasas_issue_dcmd_fusion(struct megasas_instance *instance,
struct megasas_cmd *cmd)
{
@@ -3690,18 +3884,18 @@
/**
* megasas_read_fw_status_reg_fusion - returns the current FW status value
- * @regs: MFI register set
+ * @instance: Adapter soft state
*/
static u32
-megasas_read_fw_status_reg_fusion(struct megasas_register_set __iomem *regs)
+megasas_read_fw_status_reg_fusion(struct megasas_instance *instance)
{
- return readl(&(regs)->outbound_scratch_pad);
+ return megasas_readl(instance, &instance->reg_set->outbound_scratch_pad_0);
}
/**
* megasas_alloc_host_crash_buffer - Host buffers for Crash dump collection from Firmware
* @instance: Controller's soft instance
- * return: Number of allocated host crash buffers
+ * @return: Number of allocated host crash buffers
*/
static void
megasas_alloc_host_crash_buffer(struct megasas_instance *instance)
@@ -3739,6 +3933,7 @@
/**
* megasas_adp_reset_fusion - For controller reset
+ * @instance: Controller's soft instance
* @regs: MFI register set
*/
static int
@@ -3757,11 +3952,12 @@
writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
/* Check that the diag write enable (DRWE) bit is on */
- host_diag = readl(&instance->reg_set->fusion_host_diag);
+ host_diag = megasas_readl(instance, &instance->reg_set->fusion_host_diag);
retry = 0;
while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
msleep(100);
- host_diag = readl(&instance->reg_set->fusion_host_diag);
+ host_diag = megasas_readl(instance,
+ &instance->reg_set->fusion_host_diag);
if (retry++ == 100) {
dev_warn(&instance->pdev->dev,
"Host diag unlock failed from %s %d\n",
@@ -3778,11 +3974,12 @@
msleep(3000);
/* Make sure reset adapter bit is cleared */
- host_diag = readl(&instance->reg_set->fusion_host_diag);
+ host_diag = megasas_readl(instance, &instance->reg_set->fusion_host_diag);
retry = 0;
while (host_diag & HOST_DIAG_RESET_ADAPTER) {
msleep(100);
- host_diag = readl(&instance->reg_set->fusion_host_diag);
+ host_diag = megasas_readl(instance,
+ &instance->reg_set->fusion_host_diag);
if (retry++ == 1000) {
dev_warn(&instance->pdev->dev,
"Diag reset adapter never cleared %s %d\n",
@@ -3793,14 +3990,14 @@
if (host_diag & HOST_DIAG_RESET_ADAPTER)
return -1;
- abs_state = instance->instancet->read_fw_status_reg(instance->reg_set)
+ abs_state = instance->instancet->read_fw_status_reg(instance)
& MFI_STATE_MASK;
retry = 0;
while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) {
msleep(100);
abs_state = instance->instancet->
- read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK;
+ read_fw_status_reg(instance) & MFI_STATE_MASK;
}
if (abs_state <= MFI_STATE_FW_INIT) {
dev_warn(&instance->pdev->dev,
@@ -3814,6 +4011,7 @@
/**
* megasas_check_reset_fusion - For controller reset check
+ * @instance: Controller's soft instance
* @regs: MFI register set
*/
static int
@@ -3823,21 +4021,68 @@
return 0;
}
+/**
+ * megasas_trigger_snap_dump - Trigger snap dump in FW
+ * @instance: Soft instance of adapter
+ */
+static inline void megasas_trigger_snap_dump(struct megasas_instance *instance)
+{
+ int j;
+ u32 fw_state, abs_state;
+
+ if (!instance->disableOnlineCtrlReset) {
+ dev_info(&instance->pdev->dev, "Trigger snap dump\n");
+ writel(MFI_ADP_TRIGGER_SNAP_DUMP,
+ &instance->reg_set->doorbell);
+ readl(&instance->reg_set->doorbell);
+ }
+
+ for (j = 0; j < instance->snapdump_wait_time; j++) {
+ abs_state = instance->instancet->read_fw_status_reg(instance);
+ fw_state = abs_state & MFI_STATE_MASK;
+ if (fw_state == MFI_STATE_FAULT) {
+ dev_printk(KERN_ERR, &instance->pdev->dev,
+ "FW in FAULT state Fault code:0x%x subcode:0x%x func:%s\n",
+ abs_state & MFI_STATE_FAULT_CODE,
+ abs_state & MFI_STATE_FAULT_SUBCODE, __func__);
+ return;
+ }
+ msleep(1000);
+ }
+}
+
/* This function waits for outstanding commands on fusion to complete */
-int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
- int reason, int *convert)
+static int
+megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
+ int reason, int *convert)
{
int i, outstanding, retval = 0, hb_seconds_missed = 0;
- u32 fw_state;
+ u32 fw_state, abs_state;
+ u32 waittime_for_io_completion;
- for (i = 0; i < resetwaittime; i++) {
+ waittime_for_io_completion =
+ min_t(u32, resetwaittime,
+ (resetwaittime - instance->snapdump_wait_time));
+
+ if (reason == MFI_IO_TIMEOUT_OCR) {
+ dev_info(&instance->pdev->dev,
+ "MFI command is timed out\n");
+ megasas_complete_cmd_dpc_fusion((unsigned long)instance);
+ if (instance->snapdump_wait_time)
+ megasas_trigger_snap_dump(instance);
+ retval = 1;
+ goto out;
+ }
+
+ for (i = 0; i < waittime_for_io_completion; i++) {
/* Check if firmware is in fault state */
- fw_state = instance->instancet->read_fw_status_reg(
- instance->reg_set) & MFI_STATE_MASK;
+ abs_state = instance->instancet->read_fw_status_reg(instance);
+ fw_state = abs_state & MFI_STATE_MASK;
if (fw_state == MFI_STATE_FAULT) {
- dev_warn(&instance->pdev->dev, "Found FW in FAULT state,"
- " will reset adapter scsi%d.\n",
- instance->host->host_no);
+ dev_printk(KERN_ERR, &instance->pdev->dev,
+ "FW in FAULT state Fault code:0x%x subcode:0x%x func:%s\n",
+ abs_state & MFI_STATE_FAULT_CODE,
+ abs_state & MFI_STATE_FAULT_SUBCODE, __func__);
megasas_complete_cmd_dpc_fusion((unsigned long)instance);
if (instance->requestorId && reason) {
dev_warn(&instance->pdev->dev, "SR-IOV Found FW in FAULT"
@@ -3851,13 +4096,6 @@
goto out;
}
- if (reason == MFI_IO_TIMEOUT_OCR) {
- dev_info(&instance->pdev->dev,
- "MFI IO is timed out, initiating OCR\n");
- megasas_complete_cmd_dpc_fusion((unsigned long)instance);
- retval = 1;
- goto out;
- }
/* If SR-IOV VF mode & heartbeat timeout, don't wait */
if (instance->requestorId && !reason) {
@@ -3902,6 +4140,12 @@
msleep(1000);
}
+ if (instance->snapdump_wait_time) {
+ megasas_trigger_snap_dump(instance);
+ retval = 1;
+ goto out;
+ }
+
if (atomic_read(&instance->fw_outstanding)) {
dev_err(&instance->pdev->dev, "pending commands remain after waiting, "
"will reset adapter scsi%d.\n",
@@ -3909,6 +4153,7 @@
*convert = 1;
retval = 1;
}
+
out:
return retval;
}
@@ -3933,7 +4178,8 @@
* megasas_refire_mgmt_cmd : Re-fire management commands
* @instance: Controller's soft instance
*/
-void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
+static void megasas_refire_mgmt_cmd(struct megasas_instance *instance,
+ bool return_ioctl)
{
int j;
struct megasas_cmd_fusion *cmd_fusion;
@@ -3942,7 +4188,7 @@
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
struct MPI2_RAID_SCSI_IO_REQUEST *scsi_io_req;
u16 smid;
- bool refire_cmd = 0;
+ bool refire_cmd = false;
u8 result;
u32 opcode = 0;
@@ -3987,8 +4233,25 @@
}
break;
+ case MFI_CMD_TOOLBOX:
+ if (!instance->support_pci_lane_margining) {
+ cmd_mfi->frame->hdr.cmd_status = MFI_STAT_INVALID_CMD;
+ result = COMPLETE_CMD;
+ }
+
+ break;
default:
break;
+ }
+
+ if (return_ioctl && cmd_mfi->sync_cmd &&
+ cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT) {
+ dev_err(&instance->pdev->dev,
+ "return -EBUSY from %s %d cmd 0x%x opcode 0x%x\n",
+ __func__, __LINE__, cmd_mfi->frame->hdr.cmd,
+ le32_to_cpu(cmd_mfi->frame->dcmd.opcode));
+ cmd_mfi->cmd_status_drv = DCMD_BUSY;
+ result = COMPLETE_CMD;
}
scsi_io_req = (struct MPI2_RAID_SCSI_IO_REQUEST *)
@@ -4006,6 +4269,37 @@
case COMPLETE_CMD:
megasas_complete_cmd(instance, cmd_mfi, DID_OK);
break;
+ }
+ }
+}
+
+/*
+ * megasas_return_polled_cmds: Return polled mode commands back to the pool
+ * before initiating an OCR.
+ * @instance: Controller's soft instance
+ */
+static void
+megasas_return_polled_cmds(struct megasas_instance *instance)
+{
+ int i;
+ struct megasas_cmd_fusion *cmd_fusion;
+ struct fusion_context *fusion;
+ struct megasas_cmd *cmd_mfi;
+
+ fusion = instance->ctrl_context;
+
+ for (i = instance->max_scsi_cmds; i < instance->max_fw_cmds; i++) {
+ cmd_fusion = fusion->cmd_list[i];
+ cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
+
+ if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) {
+ if (megasas_dbg_lvl & OCR_DEBUG)
+ dev_info(&instance->pdev->dev,
+ "%s %d return cmd 0x%x opcode 0x%x\n",
+ __func__, __LINE__, cmd_mfi->frame->hdr.cmd,
+ le32_to_cpu(cmd_mfi->frame->dcmd.opcode));
+ cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE;
+ megasas_return_cmd(instance, cmd_mfi);
}
}
}
@@ -4047,8 +4341,8 @@
/**
* megasas_tm_response_code - translation of device response code
- * @ioc: per adapter object
- * @mpi_reply: MPI reply returned by firmware
+ * @instance: Controller's soft instance
+ * @mpi_reply: MPI reply returned by firmware
*
* Return nothing.
*/
@@ -4103,9 +4397,9 @@
* @device_handle: device handle
* @channel: the channel assigned by the OS
* @id: the id assigned by the OS
- * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c)
* @smid_task: smid assigned to the task
- * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
+ * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in megaraid_sas_fusion.c)
+ * @mr_device_priv_data: private data
* Context: user
*
* MegaRaid use MPT interface for Task Magement request.
@@ -4214,6 +4508,7 @@
instance->instancet->disable_intr(instance);
megasas_sync_irqs((unsigned long)instance);
instance->instancet->enable_intr(instance);
+ megasas_enable_irq_poll(instance);
if (scsi_lookup->scmd == NULL)
break;
}
@@ -4227,6 +4522,7 @@
megasas_sync_irqs((unsigned long)instance);
rc = megasas_track_scsiio(instance, id, channel);
instance->instancet->enable_intr(instance);
+ megasas_enable_irq_poll(instance);
break;
case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
@@ -4319,17 +4615,11 @@
{
struct megasas_instance *instance;
u16 smid, devhandle;
- struct fusion_context *fusion;
int ret;
struct MR_PRIV_DEVICE *mr_device_priv_data;
mr_device_priv_data = scmd->device->hostdata;
-
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- fusion = instance->ctrl_context;
-
- scmd_printk(KERN_INFO, scmd, "task abort called for scmd(%p)\n", scmd);
- scsi_print_command(scmd);
if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL,"
@@ -4346,7 +4636,6 @@
goto out;
}
-
if (!mr_device_priv_data->is_tm_capable) {
ret = FAILED;
goto out;
@@ -4359,7 +4648,7 @@
if (!smid) {
ret = SUCCESS;
scmd_printk(KERN_NOTICE, scmd, "Command for which abort is"
- " issued is not found in oustanding commands\n");
+ " issued is not found in outstanding commands\n");
mutex_unlock(&instance->reset_mutex);
goto out;
}
@@ -4367,27 +4656,30 @@
devhandle = megasas_get_tm_devhandle(scmd->device);
if (devhandle == (u16)ULONG_MAX) {
- ret = SUCCESS;
+ ret = FAILED;
sdev_printk(KERN_INFO, scmd->device,
"task abort issued for invalid devhandle\n");
mutex_unlock(&instance->reset_mutex);
goto out;
}
sdev_printk(KERN_INFO, scmd->device,
- "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n",
+ "attempting task abort! scmd(0x%p) tm_dev_handle 0x%x\n",
scmd, devhandle);
- mr_device_priv_data->tm_busy = 1;
+ mr_device_priv_data->tm_busy = true;
ret = megasas_issue_tm(instance, devhandle,
scmd->device->channel, scmd->device->id, smid,
MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
mr_device_priv_data);
- mr_device_priv_data->tm_busy = 0;
+ mr_device_priv_data->tm_busy = false;
mutex_unlock(&instance->reset_mutex);
-out:
- sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
+ scmd_printk(KERN_INFO, scmd, "task abort %s!! scmd(0x%p)\n",
((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+out:
+ scsi_print_command(scmd);
+ if (megasas_dbg_lvl & TM_DEBUG)
+ megasas_dump_fusion_io(scmd);
return ret;
}
@@ -4405,15 +4697,10 @@
struct megasas_instance *instance;
int ret = FAILED;
u16 devhandle;
- struct fusion_context *fusion;
struct MR_PRIV_DEVICE *mr_device_priv_data;
mr_device_priv_data = scmd->device->hostdata;
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- fusion = instance->ctrl_context;
-
- sdev_printk(KERN_INFO, scmd->device,
- "target reset called for scmd(%p)\n", scmd);
if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL,"
@@ -4423,13 +4710,12 @@
}
if (!mr_device_priv_data) {
- sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
- "scmd(%p)\n", scmd);
+ sdev_printk(KERN_INFO, scmd->device,
+ "device been deleted! scmd: (0x%p)\n", scmd);
scmd->result = DID_NO_CONNECT << 16;
ret = SUCCESS;
goto out;
}
-
if (!mr_device_priv_data->is_tm_capable) {
ret = FAILED;
@@ -4440,7 +4726,7 @@
devhandle = megasas_get_tm_devhandle(scmd->device);
if (devhandle == (u16)ULONG_MAX) {
- ret = SUCCESS;
+ ret = FAILED;
sdev_printk(KERN_INFO, scmd->device,
"target reset issued for invalid devhandle\n");
mutex_unlock(&instance->reset_mutex);
@@ -4448,24 +4734,25 @@
}
sdev_printk(KERN_INFO, scmd->device,
- "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n",
+ "attempting target reset! scmd(0x%p) tm_dev_handle: 0x%x\n",
scmd, devhandle);
- mr_device_priv_data->tm_busy = 1;
+ mr_device_priv_data->tm_busy = true;
ret = megasas_issue_tm(instance, devhandle,
scmd->device->channel, scmd->device->id, 0,
MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
mr_device_priv_data);
- mr_device_priv_data->tm_busy = 0;
+ mr_device_priv_data->tm_busy = false;
mutex_unlock(&instance->reset_mutex);
-out:
- scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n",
+ scmd_printk(KERN_NOTICE, scmd, "target reset %s!!\n",
(ret == SUCCESS) ? "SUCCESS" : "FAILED");
+out:
return ret;
}
/*SRIOV get other instance in cluster if any*/
-struct megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance)
+static struct
+megasas_instance *megasas_get_peer_instance(struct megasas_instance *instance)
{
int i;
@@ -4505,12 +4792,14 @@
struct megasas_instance *instance;
struct megasas_cmd_fusion *cmd_fusion, *r1_cmd;
struct fusion_context *fusion;
- u32 abs_state, status_reg, reset_adapter;
+ u32 abs_state, status_reg, reset_adapter, fpio_count = 0;
u32 io_timeout_in_crash_mode = 0;
struct scsi_cmnd *scmd_local = NULL;
struct scsi_device *sdev;
int ret_target_prop = DCMD_FAILED;
bool is_target_prop = false;
+ bool do_adp_reset = true;
+ int max_reset_tries = MEGASAS_FUSION_MAX_RESET_TRIES;
instance = (struct megasas_instance *)shost->hostdata;
fusion = instance->ctrl_context;
@@ -4524,7 +4813,7 @@
mutex_unlock(&instance->reset_mutex);
return FAILED;
}
- status_reg = instance->instancet->read_fw_status_reg(instance->reg_set);
+ status_reg = instance->instancet->read_fw_status_reg(instance);
abs_state = status_reg & MFI_STATE_MASK;
/* IO timeout detected, forcibly put FW in FAULT state */
@@ -4533,7 +4822,7 @@
dev_info(&instance->pdev->dev, "IO/DCMD timeout is detected, "
"forcibly FAULT Firmware\n");
atomic_set(&instance->adprecovery, MEGASAS_ADPRESET_SM_INFAULT);
- status_reg = readl(&instance->reg_set->doorbell);
+ status_reg = megasas_readl(instance, &instance->reg_set->doorbell);
writel(status_reg | MFI_STATE_FORCE_OCR,
&instance->reg_set->doorbell);
readl(&instance->reg_set->doorbell);
@@ -4578,25 +4867,29 @@
if (convert)
reason = 0;
- if (megasas_dbg_lvl & OCR_LOGS)
+ if (megasas_dbg_lvl & OCR_DEBUG)
dev_info(&instance->pdev->dev, "\nPending SCSI commands:\n");
/* Now return commands back to the OS */
for (i = 0 ; i < instance->max_scsi_cmds; i++) {
cmd_fusion = fusion->cmd_list[i];
/*check for extra commands issued by driver*/
- if (instance->adapter_type == VENTURA_SERIES) {
+ if (instance->adapter_type >= VENTURA_SERIES) {
r1_cmd = fusion->cmd_list[i + instance->max_fw_cmds];
megasas_return_cmd_fusion(instance, r1_cmd);
}
scmd_local = cmd_fusion->scmd;
if (cmd_fusion->scmd) {
- if (megasas_dbg_lvl & OCR_LOGS) {
+ if (megasas_dbg_lvl & OCR_DEBUG) {
sdev_printk(KERN_INFO,
cmd_fusion->scmd->device, "SMID: 0x%x\n",
cmd_fusion->index);
- scsi_print_command(cmd_fusion->scmd);
+ megasas_dump_fusion_io(cmd_fusion->scmd);
}
+
+ if (cmd_fusion->io_request->Function ==
+ MPI2_FUNCTION_SCSI_IO_REQUEST)
+ fpio_count++;
scmd_local->result =
megasas_check_mpio_paths(instance,
@@ -4610,10 +4903,12 @@
}
}
+ dev_info(&instance->pdev->dev, "Outstanding fastpath IOs: %d\n",
+ fpio_count);
+
atomic_set(&instance->fw_outstanding, 0);
- status_reg = instance->instancet->read_fw_status_reg(
- instance->reg_set);
+ status_reg = instance->instancet->read_fw_status_reg(instance);
abs_state = status_reg & MFI_STATE_MASK;
reset_adapter = status_reg & MFI_RESET_ADAPTER;
if (instance->disableOnlineCtrlReset ||
@@ -4622,55 +4917,50 @@
dev_warn(&instance->pdev->dev, "Reset not supported"
", killing adapter scsi%d.\n",
instance->host->host_no);
- megaraid_sas_kill_hba(instance);
- instance->skip_heartbeat_timer_del = 1;
- retval = FAILED;
- goto out;
+ goto kill_hba;
}
/* Let SR-IOV VF & PF sync up if there was a HB failure */
if (instance->requestorId && !reason) {
msleep(MEGASAS_OCR_SETTLE_TIME_VF);
- goto transition_to_ready;
+ do_adp_reset = false;
+ max_reset_tries = MEGASAS_SRIOV_MAX_RESET_TRIES_VF;
}
/* Now try to reset the chip */
- for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) {
-
- if (instance->instancet->adp_reset
- (instance, instance->reg_set))
+ for (i = 0; i < max_reset_tries; i++) {
+ /*
+ * Do adp reset and wait for
+ * controller to transition to ready
+ */
+ if (megasas_adp_reset_wait_for_ready(instance,
+ do_adp_reset, 1) == FAILED)
continue;
-transition_to_ready:
+
/* Wait for FW to become ready */
if (megasas_transition_to_ready(instance, 1)) {
dev_warn(&instance->pdev->dev,
"Failed to transition controller to ready for "
"scsi%d.\n", instance->host->host_no);
- if (instance->requestorId && !reason)
- goto fail_kill_adapter;
- else
- continue;
+ continue;
}
megasas_reset_reply_desc(instance);
megasas_fusion_update_can_queue(instance, OCR_CONTEXT);
if (megasas_ioc_init_fusion(instance)) {
- if (instance->requestorId && !reason)
- goto fail_kill_adapter;
- else
- continue;
+ continue;
}
if (megasas_get_ctrl_info(instance)) {
dev_info(&instance->pdev->dev,
"Failed from %s %d\n",
__func__, __LINE__);
- megaraid_sas_kill_hba(instance);
- retval = FAILED;
- goto out;
+ goto kill_hba;
}
- megasas_refire_mgmt_cmd(instance);
+ megasas_refire_mgmt_cmd(instance,
+ (i == (MEGASAS_FUSION_MAX_RESET_TRIES - 1)
+ ? 1 : 0));
/* Reset load balance info */
if (fusion->load_balance_info)
@@ -4678,13 +4968,21 @@
(sizeof(struct LD_LOAD_BALANCE_INFO) *
MAX_LOGICAL_DRIVES_EXT));
- if (!megasas_get_map_info(instance))
+ if (!megasas_get_map_info(instance)) {
megasas_sync_map_info(instance);
+ } else {
+ /*
+ * Return pending polled mode cmds before
+ * retrying OCR
+ */
+ megasas_return_polled_cmds(instance);
+ continue;
+ }
megasas_setup_jbod_map(instance);
/* reset stream detection array */
- if (instance->adapter_type == VENTURA_SERIES) {
+ if (instance->adapter_type >= VENTURA_SERIES) {
for (j = 0; j < MAX_LOGICAL_DRIVES_EXT; ++j) {
memset(fusion->stream_detect_by_ld[j],
0, sizeof(struct LD_STREAM_DETECT));
@@ -4696,7 +4994,7 @@
clear_bit(MEGASAS_FUSION_IN_RESET,
&instance->reset_flags);
instance->instancet->enable_intr(instance);
-
+ megasas_enable_irq_poll(instance);
shost_for_each_device(sdev, shost) {
if ((instance->tgt_prop) &&
(instance->nvme_page_size))
@@ -4706,11 +5004,20 @@
megasas_set_dynamic_target_properties(sdev, is_target_prop);
}
+ status_reg = instance->instancet->read_fw_status_reg
+ (instance);
+ abs_state = status_reg & MFI_STATE_MASK;
+ if (abs_state != MFI_STATE_OPERATIONAL) {
+ dev_info(&instance->pdev->dev,
+ "Adapter is not OPERATIONAL, state 0x%x for scsi:%d\n",
+ abs_state, instance->host->host_no);
+ goto out;
+ }
atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
- dev_info(&instance->pdev->dev, "Interrupts are enabled and"
- " controller is OPERATIONAL for scsi:%d\n",
- instance->host->host_no);
+ dev_info(&instance->pdev->dev,
+ "Adapter is OPERATIONAL for scsi:%d\n",
+ instance->host->host_no);
/* Restart SR-IOV heartbeat */
if (instance->requestorId) {
@@ -4728,6 +5035,13 @@
megasas_set_crash_dump_params(instance,
MR_CRASH_BUF_TURN_OFF);
+ if (instance->snapdump_wait_time) {
+ megasas_get_snapdump_properties(instance);
+ dev_info(&instance->pdev->dev,
+ "Snap dump wait time\t: %d\n",
+ instance->snapdump_wait_time);
+ }
+
retval = SUCCESS;
/* Adapter reset completed successfully */
@@ -4737,13 +5051,10 @@
goto out;
}
-fail_kill_adapter:
/* Reset failed, kill the adapter */
dev_warn(&instance->pdev->dev, "Reset failed, killing "
"adapter scsi%d.\n", instance->host->host_no);
- megaraid_sas_kill_hba(instance);
- instance->skip_heartbeat_timer_del = 1;
- retval = FAILED;
+ goto kill_hba;
} else {
/* For VF: Restart HB timer if we didn't OCR */
if (instance->requestorId) {
@@ -4751,24 +5062,30 @@
}
clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags);
instance->instancet->enable_intr(instance);
+ megasas_enable_irq_poll(instance);
atomic_set(&instance->adprecovery, MEGASAS_HBA_OPERATIONAL);
+ goto out;
}
+kill_hba:
+ megaraid_sas_kill_hba(instance);
+ megasas_enable_irq_poll(instance);
+ instance->skip_heartbeat_timer_del = 1;
+ retval = FAILED;
out:
clear_bit(MEGASAS_FUSION_OCR_NOT_POSSIBLE, &instance->reset_flags);
mutex_unlock(&instance->reset_mutex);
return retval;
}
-/* Fusion Crash dump collection work queue */
-void megasas_fusion_crash_dump_wq(struct work_struct *work)
+/* Fusion Crash dump collection */
+static void megasas_fusion_crash_dump(struct megasas_instance *instance)
{
- struct megasas_instance *instance =
- container_of(work, struct megasas_instance, crash_init);
u32 status_reg;
u8 partial_copy = 0;
+ int wait = 0;
- status_reg = instance->instancet->read_fw_status_reg(instance->reg_set);
+ status_reg = instance->instancet->read_fw_status_reg(instance);
/*
* Allocate host crash buffers to copy data from 1 MB DMA crash buffer
@@ -4784,8 +5101,8 @@
"crash dump and initiating OCR\n");
status_reg |= MFI_STATE_CRASH_DUMP_DONE;
writel(status_reg,
- &instance->reg_set->outbound_scratch_pad);
- readl(&instance->reg_set->outbound_scratch_pad);
+ &instance->reg_set->outbound_scratch_pad_0);
+ readl(&instance->reg_set->outbound_scratch_pad_0);
return;
}
megasas_alloc_host_crash_buffer(instance);
@@ -4793,21 +5110,41 @@
"allocated: %d\n", instance->drv_buf_alloc);
}
- /*
- * Driver has allocated max buffers, which can be allocated
- * and FW has more crash dump data, then driver will
- * ignore the data.
- */
- if (instance->drv_buf_index >= (instance->drv_buf_alloc)) {
- dev_info(&instance->pdev->dev, "Driver is done copying "
- "the buffer: %d\n", instance->drv_buf_alloc);
- status_reg |= MFI_STATE_CRASH_DUMP_DONE;
- partial_copy = 1;
- } else {
- memcpy(instance->crash_buf[instance->drv_buf_index],
- instance->crash_dump_buf, CRASH_DMA_BUF_SIZE);
- instance->drv_buf_index++;
- status_reg &= ~MFI_STATE_DMADONE;
+ while (!(status_reg & MFI_STATE_CRASH_DUMP_DONE) &&
+ (wait < MEGASAS_WATCHDOG_WAIT_COUNT)) {
+ if (!(status_reg & MFI_STATE_DMADONE)) {
+ /*
+ * Next crash dump buffer is not yet DMA'd by FW
+ * Check after 10ms. Wait for 1 second for FW to
+ * post the next buffer. If not bail out.
+ */
+ wait++;
+ msleep(MEGASAS_WAIT_FOR_NEXT_DMA_MSECS);
+ status_reg = instance->instancet->read_fw_status_reg(
+ instance);
+ continue;
+ }
+
+ wait = 0;
+ if (instance->drv_buf_index >= instance->drv_buf_alloc) {
+ dev_info(&instance->pdev->dev,
+ "Driver is done copying the buffer: %d\n",
+ instance->drv_buf_alloc);
+ status_reg |= MFI_STATE_CRASH_DUMP_DONE;
+ partial_copy = 1;
+ break;
+ } else {
+ memcpy(instance->crash_buf[instance->drv_buf_index],
+ instance->crash_dump_buf, CRASH_DMA_BUF_SIZE);
+ instance->drv_buf_index++;
+ status_reg &= ~MFI_STATE_DMADONE;
+ }
+
+ writel(status_reg, &instance->reg_set->outbound_scratch_pad_0);
+ readl(&instance->reg_set->outbound_scratch_pad_0);
+
+ msleep(MEGASAS_WAIT_FOR_NEXT_DMA_MSECS);
+ status_reg = instance->instancet->read_fw_status_reg(instance);
}
if (status_reg & MFI_STATE_CRASH_DUMP_DONE) {
@@ -4816,13 +5153,10 @@
instance->fw_crash_buffer_size = instance->drv_buf_index;
instance->fw_crash_state = AVAILABLE;
instance->drv_buf_index = 0;
- writel(status_reg, &instance->reg_set->outbound_scratch_pad);
- readl(&instance->reg_set->outbound_scratch_pad);
+ writel(status_reg, &instance->reg_set->outbound_scratch_pad_0);
+ readl(&instance->reg_set->outbound_scratch_pad_0);
if (!partial_copy)
megasas_reset_fusion(instance->host, 0);
- } else {
- writel(status_reg, &instance->reg_set->outbound_scratch_pad);
- readl(&instance->reg_set->outbound_scratch_pad);
}
}
--
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