--- zzzz-none-000/linux-3.10.107/drivers/scsi/megaraid/megaraid_sas_fusion.c 2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/scsi/megaraid/megaraid_sas_fusion.c 2021-02-04 17:41:59.000000000 +0000
@@ -1,7 +1,8 @@
/*
* Linux MegaRAID driver for SAS based RAID controllers
*
- * Copyright (c) 2009-2012 LSI Corporation.
+ * 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
@@ -14,19 +15,20 @@
* 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see .
*
* FILE: megaraid_sas_fusion.c
*
- * Authors: LSI Corporation
+ * Authors: Avago Technologies
* Sumant Patro
- * Adam Radford
+ * Adam Radford
+ * Kashyap Desai
+ * Sumit Saxena
*
- * Send feedback to:
+ * Send feedback to: megaraidlinux.pdl@avagotech.com
*
- * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
- * ATTN: Linuxraid
+ * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
+ * San Jose, California 95131
*/
#include
@@ -50,19 +52,22 @@
#include
#include
#include
+#include
+#include
#include "megaraid_sas_fusion.h"
#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);
-int megasas_is_ldio(struct scsi_cmnd *cmd);
int
-wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd);
+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);
@@ -72,37 +77,35 @@
int
megasas_issue_polled(struct megasas_instance *instance,
struct megasas_cmd *cmd);
-
-u8
-MR_BuildRaidContext(struct megasas_instance *instance,
- struct IO_REQUEST_INFO *io_info,
- struct RAID_CONTEXT *pRAID_Context,
- struct MR_FW_RAID_MAP_ALL *map);
-u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_FW_RAID_MAP_ALL *map);
-struct MR_LD_RAID *MR_LdRaidGet(u32 ld, struct MR_FW_RAID_MAP_ALL *map);
-
-u16 MR_GetLDTgtId(u32 ld, struct MR_FW_RAID_MAP_ALL *map);
-
void
megasas_check_and_restore_queue_depth(struct megasas_instance *instance);
-u8 MR_ValidateMapInfo(struct MR_FW_RAID_MAP_ALL *map,
- struct LD_LOAD_BALANCE_INFO *lbInfo);
-u16 get_updated_dev_handle(struct LD_LOAD_BALANCE_INFO *lbInfo,
- struct IO_REQUEST_INFO *in_info);
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;
+void megasas_sriov_heartbeat_handler(unsigned long instance_addr);
+int megasas_sriov_start_heartbeat(struct megasas_instance *instance,
+ int initial);
+void megasas_start_timer(struct megasas_instance *instance,
+ struct timer_list *timer,
+ void *fn, unsigned long interval);
+extern struct megasas_mgmt_info megasas_mgmt_info;
extern int resetwaittime;
+
+
/**
* megasas_enable_intr_fusion - Enables interrupts
* @regs: MFI register set
*/
void
-megasas_enable_intr_fusion(struct megasas_register_set __iomem *regs)
+megasas_enable_intr_fusion(struct megasas_instance *instance)
{
+ struct megasas_register_set __iomem *regs;
+ regs = instance->reg_set;
+
+ instance->mask_interrupts = 0;
/* For Thunderbolt/Invader also clear intr on enable */
writel(~0, ®s->outbound_intr_status);
readl(®s->outbound_intr_status);
@@ -118,10 +121,13 @@
* @regs: MFI register set
*/
void
-megasas_disable_intr_fusion(struct megasas_register_set __iomem *regs)
+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 */
@@ -152,28 +158,15 @@
* megasas_get_cmd_fusion - Get a command from the free pool
* @instance: Adapter soft state
*
- * Returns a free command from the pool
+ * Returns a blk_tag indexed mpt frame
*/
-struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance
- *instance)
+inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance
+ *instance, u32 blk_tag)
{
- unsigned long flags;
- struct fusion_context *fusion =
- (struct fusion_context *)instance->ctrl_context;
- struct megasas_cmd_fusion *cmd = NULL;
-
- spin_lock_irqsave(&fusion->cmd_pool_lock, flags);
-
- if (!list_empty(&fusion->cmd_pool)) {
- cmd = list_entry((&fusion->cmd_pool)->next,
- struct megasas_cmd_fusion, list);
- list_del_init(&cmd->list);
- } else {
- printk(KERN_ERR "megasas: Command pool (fusion) empty!\n");
- }
+ struct fusion_context *fusion;
- spin_unlock_irqrestore(&fusion->cmd_pool_lock, flags);
- return cmd;
+ fusion = instance->ctrl_context;
+ return fusion->cmd_list[blk_tag];
}
/**
@@ -181,23 +174,39 @@
* @instance: Adapter soft state
* @cmd: Command packet to be returned to free command pool
*/
-static inline void
-megasas_return_cmd_fusion(struct megasas_instance *instance,
- struct megasas_cmd_fusion *cmd)
+inline void megasas_return_cmd_fusion(struct megasas_instance *instance,
+ struct megasas_cmd_fusion *cmd)
{
- unsigned long flags;
- struct fusion_context *fusion =
- (struct fusion_context *)instance->ctrl_context;
+ cmd->scmd = NULL;
+ memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
+}
- spin_lock_irqsave(&fusion->cmd_pool_lock, flags);
+/**
+ * megasas_fire_cmd_fusion - Sends command to the FW
+ */
+static void
+megasas_fire_cmd_fusion(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));
- cmd->scmd = NULL;
- cmd->sync_cmd_idx = (u32)ULONG_MAX;
- list_add_tail(&cmd->list, &fusion->cmd_pool);
+ writeq(req_data, &instance->reg_set->inbound_low_queue_port);
+#else
+ unsigned long flags;
- spin_unlock_irqrestore(&fusion->cmd_pool_lock, flags);
+ spin_lock_irqsave(&instance->hba_lock, flags);
+ writel(le32_to_cpu(req_desc->u.low),
+ &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_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool
* @instance: Adapter soft state
@@ -213,7 +222,7 @@
struct megasas_cmd_fusion *cmd;
if (!fusion->sg_dma_pool || !fusion->sense_dma_pool) {
- printk(KERN_ERR "megasas: dma pool is null. SG Pool %p, "
+ dev_err(&instance->pdev->dev, "dma pool is null. SG Pool %p, "
"sense pool : %p\n", fusion->sg_dma_pool,
fusion->sense_dma_pool);
return;
@@ -295,7 +304,6 @@
kfree(fusion->cmd_list);
fusion->cmd_list = NULL;
- INIT_LIST_HEAD(&fusion->cmd_pool);
}
/**
@@ -309,33 +317,28 @@
u32 max_cmd;
struct fusion_context *fusion;
struct megasas_cmd_fusion *cmd;
- u32 total_sz_chain_frame;
fusion = instance->ctrl_context;
max_cmd = instance->max_fw_cmds;
- total_sz_chain_frame = MEGASAS_MAX_SZ_CHAIN_FRAME;
/*
* Use DMA pool facility provided by PCI layer
*/
- fusion->sg_dma_pool = pci_pool_create("megasas sg pool fusion",
- instance->pdev,
- total_sz_chain_frame, 4,
- 0);
+ fusion->sg_dma_pool = pci_pool_create("sg_pool_fusion", instance->pdev,
+ instance->max_chain_frame_sz,
+ 4, 0);
if (!fusion->sg_dma_pool) {
- printk(KERN_DEBUG "megasas: failed to setup request pool "
- "fusion\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup request pool fusion\n");
return -ENOMEM;
}
- fusion->sense_dma_pool = pci_pool_create("megasas sense pool fusion",
+ fusion->sense_dma_pool = pci_pool_create("sense pool fusion",
instance->pdev,
SCSI_SENSE_BUFFERSIZE, 64, 0);
if (!fusion->sense_dma_pool) {
- printk(KERN_DEBUG "megasas: failed to setup sense pool "
- "fusion\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup sense pool fusion\n");
pci_pool_destroy(fusion->sg_dma_pool);
fusion->sg_dma_pool = NULL;
return -ENOMEM;
@@ -359,7 +362,7 @@
* whatever has been allocated
*/
if (!cmd->sg_frame || !cmd->sense) {
- printk(KERN_DEBUG "megasas: pci_pool_alloc failed\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "pci_pool_alloc failed\n");
megasas_teardown_frame_pool_fusion(instance);
return -ENOMEM;
}
@@ -405,7 +408,7 @@
&fusion->req_frames_desc_phys, GFP_KERNEL);
if (!fusion->req_frames_desc) {
- printk(KERN_ERR "megasas; Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"request_frames\n");
goto fail_req_desc;
}
@@ -416,7 +419,7 @@
fusion->reply_alloc_sz * count, 16, 0);
if (!fusion->reply_frames_desc_pool) {
- printk(KERN_ERR "megasas; Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"reply_frame pool\n");
goto fail_reply_desc;
}
@@ -425,7 +428,7 @@
pci_pool_alloc(fusion->reply_frames_desc_pool, GFP_KERNEL,
&fusion->reply_frames_desc_phys);
if (!fusion->reply_frames_desc) {
- printk(KERN_ERR "megasas; Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"reply_frame pool\n");
pci_pool_destroy(fusion->reply_frames_desc_pool);
goto fail_reply_desc;
@@ -433,7 +436,7 @@
reply_desc = fusion->reply_frames_desc;
for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++)
- reply_desc->Words = ULLONG_MAX;
+ reply_desc->Words = cpu_to_le64(ULLONG_MAX);
io_frames_sz = fusion->io_frames_alloc_sz;
@@ -442,7 +445,7 @@
fusion->io_frames_alloc_sz, 16, 0);
if (!fusion->io_request_frames_pool) {
- printk(KERN_ERR "megasas: Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"io_request_frame pool\n");
goto fail_io_frames;
}
@@ -451,7 +454,7 @@
pci_pool_alloc(fusion->io_request_frames_pool, GFP_KERNEL,
&fusion->io_request_frames_phys);
if (!fusion->io_request_frames) {
- printk(KERN_ERR "megasas: Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"io_request_frames frames\n");
pci_pool_destroy(fusion->io_request_frames_pool);
goto fail_io_frames;
@@ -466,7 +469,7 @@
* max_cmd, GFP_KERNEL);
if (!fusion->cmd_list) {
- printk(KERN_DEBUG "megasas: out of memory. Could not alloc "
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "out of memory. Could not alloc "
"memory for cmd_list_fusion\n");
goto fail_cmd_list;
}
@@ -476,7 +479,7 @@
fusion->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd_fusion),
GFP_KERNEL);
if (!fusion->cmd_list[i]) {
- printk(KERN_ERR "Could not alloc cmd list fusion\n");
+ dev_err(&instance->pdev->dev, "Could not alloc cmd list fusion\n");
for (j = 0; j < i; j++)
kfree(fusion->cmd_list[j]);
@@ -504,7 +507,9 @@
memset(cmd, 0, sizeof(struct megasas_cmd_fusion));
cmd->index = i + 1;
cmd->scmd = NULL;
- cmd->sync_cmd_idx = (u32)ULONG_MAX; /* Set to Invalid */
+ cmd->sync_cmd_idx = (i >= instance->max_scsi_cmds) ?
+ (i - instance->max_scsi_cmds) :
+ (u32)ULONG_MAX; /* Set to Invalid */
cmd->instance = instance;
cmd->io_request =
(struct MPI2_RAID_SCSI_IO_REQUEST *)
@@ -512,15 +517,13 @@
memset(cmd->io_request, 0,
sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
cmd->io_request_phys_addr = io_req_base_phys + offset;
-
- list_add_tail(&cmd->list, &fusion->cmd_pool);
}
/*
* Create a frame pool and assign one frame to each cmd
*/
if (megasas_create_frame_pool_fusion(instance)) {
- printk(KERN_DEBUG "megasas: Error creating frame DMA pool\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "Error creating frame DMA pool\n");
megasas_free_cmds_fusion(instance);
goto fail_req_desc;
}
@@ -556,13 +559,16 @@
* For polling, MFI requires the cmd_status to be set to 0xFF before posting.
*/
int
-wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd)
+wait_and_poll(struct megasas_instance *instance, struct megasas_cmd *cmd,
+ int seconds)
{
int i;
struct megasas_header *frame_hdr = &cmd->frame->hdr;
+ struct fusion_context *fusion;
- u32 msecs = MFI_POLL_TIMEOUT_SECS * 1000;
+ u32 msecs = seconds * 1000;
+ fusion = instance->ctrl_context;
/*
* Wait for cmd_status to change
*/
@@ -574,7 +580,8 @@
if (frame_hdr->cmd_status == 0xff)
return -ETIME;
- return 0;
+ return (frame_hdr->cmd_status == MFI_STAT_OK) ?
+ 0 : 1;
}
/**
@@ -592,16 +599,18 @@
struct megasas_cmd *cmd;
u8 ret;
struct fusion_context *fusion;
- union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
+ union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc;
int i;
struct megasas_header *frame_hdr;
+ const char *sys_info;
+ MFI_CAPABILITIES *drv_ops;
fusion = instance->ctrl_context;
cmd = megasas_get_cmd(instance);
if (!cmd) {
- printk(KERN_ERR "Could not allocate cmd for INIT Frame\n");
+ dev_err(&instance->pdev->dev, "Could not allocate cmd for INIT Frame\n");
ret = 1;
goto fail_get_cmd;
}
@@ -612,7 +621,7 @@
&ioc_init_handle, GFP_KERNEL);
if (!IOCInitMessage) {
- printk(KERN_ERR "Could not allocate memory for "
+ dev_err(&instance->pdev->dev, "Could not allocate memory for "
"IOCInitMessage\n");
ret = 1;
goto fail_fw_init;
@@ -622,42 +631,70 @@
IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT;
IOCInitMessage->WhoInit = MPI2_WHOINIT_HOST_DRIVER;
- IOCInitMessage->MsgVersion = MPI2_VERSION;
- IOCInitMessage->HeaderVersion = MPI2_HEADER_VERSION;
- IOCInitMessage->SystemRequestFrameSize =
- MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4;
-
- IOCInitMessage->ReplyDescriptorPostQueueDepth = fusion->reply_q_depth;
- IOCInitMessage->ReplyDescriptorPostQueueAddress =
- fusion->reply_frames_desc_phys;
- IOCInitMessage->SystemRequestFrameBaseAddress =
- fusion->io_request_frames_phys;
+ IOCInitMessage->MsgVersion = cpu_to_le16(MPI2_VERSION);
+ IOCInitMessage->HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
+ IOCInitMessage->SystemRequestFrameSize = cpu_to_le16(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE / 4);
+
+ IOCInitMessage->ReplyDescriptorPostQueueDepth = cpu_to_le16(fusion->reply_q_depth);
+ IOCInitMessage->ReplyDescriptorPostQueueAddress = cpu_to_le64(fusion->reply_frames_desc_phys);
+ IOCInitMessage->SystemRequestFrameBaseAddress = cpu_to_le64(fusion->io_request_frames_phys);
IOCInitMessage->HostMSIxVectors = instance->msix_vectors;
init_frame = (struct megasas_init_frame *)cmd->frame;
memset(init_frame, 0, MEGAMFI_FRAME_SIZE);
frame_hdr = &cmd->frame->hdr;
frame_hdr->cmd_status = 0xFF;
- frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
+ frame_hdr->flags = cpu_to_le16(
+ le16_to_cpu(frame_hdr->flags) |
+ MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
init_frame->cmd = MFI_CMD_INIT;
init_frame->cmd_status = 0xFF;
- init_frame->queue_info_new_phys_addr_lo = ioc_init_handle;
- init_frame->data_xfer_len = sizeof(struct MPI2_IOC_INIT_REQUEST);
-
- req_desc =
- (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)fusion->req_frames_desc;
+ drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations);
- req_desc->Words = cmd->frame_phys_addr;
- req_desc->MFAIo.RequestFlags =
+ /* driver support Extended MSIX */
+ if (fusion->adapter_type == INVADER_SERIES)
+ drv_ops->mfi_capabilities.support_additional_msix = 1;
+ /* driver supports HA / Remote LUN over Fast Path interface */
+ drv_ops->mfi_capabilities.support_fp_remote_lun = 1;
+
+ drv_ops->mfi_capabilities.support_max_255lds = 1;
+ drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1;
+ drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1;
+
+ if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN)
+ drv_ops->mfi_capabilities.support_ext_io_size = 1;
+
+ /* Convert capability to LE32 */
+ cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities);
+
+ sys_info = dmi_get_system_info(DMI_PRODUCT_UUID);
+ if (instance->system_info_buf && sys_info) {
+ memcpy(instance->system_info_buf->systemId, sys_info,
+ strlen(sys_info) > 64 ? 64 : strlen(sys_info));
+ instance->system_info_buf->systemIdLength =
+ strlen(sys_info) > 64 ? 64 : strlen(sys_info);
+ init_frame->system_info_lo = instance->system_info_h;
+ init_frame->system_info_hi = 0;
+ }
+
+ init_frame->queue_info_new_phys_addr_hi =
+ cpu_to_le32(upper_32_bits(ioc_init_handle));
+ init_frame->queue_info_new_phys_addr_lo =
+ cpu_to_le32(lower_32_bits(ioc_init_handle));
+ init_frame->data_xfer_len = cpu_to_le32(sizeof(struct MPI2_IOC_INIT_REQUEST));
+
+ 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 =
(MEGASAS_REQ_DESCRIPT_FLAGS_MFA <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
/*
* disable the intr before firing the init frame
*/
- instance->instancet->disable_intr(instance->reg_set);
+ instance->instancet->disable_intr(instance);
for (i = 0; i < (10 * 1000); i += 20) {
if (readl(&instance->reg_set->doorbell) & 1)
@@ -666,17 +703,16 @@
break;
}
- instance->instancet->fire_cmd(instance, req_desc->u.low,
- req_desc->u.high, instance->reg_set);
+ megasas_fire_cmd_fusion(instance, &req_desc);
- wait_and_poll(instance, cmd);
+ wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);
frame_hdr = &cmd->frame->hdr;
if (frame_hdr->cmd_status != 0) {
ret = 1;
goto fail_fw_init;
}
- printk(KERN_ERR "megasas:IOC Init cmd success\n");
+ dev_err(&instance->pdev->dev, "Init cmd success\n");
ret = 0;
@@ -690,6 +726,83 @@
return ret;
}
+/**
+ * megasas_sync_pd_seq_num - JBOD SEQ MAP
+ * @instance: Adapter soft state
+ * @pend: set to 1, if it is pended jbod map.
+ *
+ * Issue Jbod map to the firmware. If it is pended command,
+ * issue command and return. If it is first instance of jbod map
+ * issue and receive command.
+ */
+int
+megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) {
+ int ret = 0;
+ u32 pd_seq_map_sz;
+ struct megasas_cmd *cmd;
+ struct megasas_dcmd_frame *dcmd;
+ struct fusion_context *fusion = instance->ctrl_context;
+ struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
+ dma_addr_t pd_seq_h;
+
+ 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));
+
+ cmd = megasas_get_cmd(instance);
+ if (!cmd) {
+ dev_err(&instance->pdev->dev,
+ "Could not get mfi cmd. Fail from %s %d\n",
+ __func__, __LINE__);
+ return -ENOMEM;
+ }
+
+ dcmd = &cmd->frame->dcmd;
+
+ memset(pd_sync, 0, pd_seq_map_sz);
+ memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
+ dcmd->cmd = MFI_CMD_DCMD;
+ dcmd->cmd_status = 0xFF;
+ dcmd->sge_count = 1;
+ dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
+ dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz);
+ dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO);
+ dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(pd_seq_h);
+ dcmd->sgl.sge32[0].length = cpu_to_le32(pd_seq_map_sz);
+
+ if (pend) {
+ dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG;
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE);
+ instance->jbod_seq_cmd = cmd;
+ instance->instancet->issue_dcmd(instance, cmd);
+ return 0;
+ }
+
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ);
+
+ /* Below code is only for non pended DCMD */
+ if (instance->ctrl_context && !instance->mask_interrupts)
+ ret = megasas_issue_blocked_cmd(instance, cmd, 60);
+ else
+ ret = megasas_issue_polled(instance, cmd);
+
+ if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) {
+ dev_warn(&instance->pdev->dev,
+ "driver supports max %d JBOD, but FW reports %d\n",
+ MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count));
+ ret = -EINVAL;
+ }
+
+ if (!ret)
+ instance->pd_seq_map_id++;
+
+ megasas_return_cmd(instance, cmd);
+ return ret;
+}
+
/*
* megasas_get_ld_map_info - Returns FW's ld_map structure
* @instance: Adapter soft state
@@ -697,6 +810,13 @@
* Issues an internal command (DCMD) to get the FW's controller PD
* list structure. This information is mainly used to find out SYSTEM
* supported by the FW.
+ * dcmd.mbox value setting for MR_DCMD_LD_MAP_GET_INFO
+ * dcmd.mbox.b[0] - number of LDs being sync'd
+ * dcmd.mbox.b[1] - 0 - complete command immediately.
+ * - 1 - pend till config change
+ * dcmd.mbox.b[2] - 0 - supports max 64 lds and uses legacy MR_FW_RAID_MAP
+ * - 1 - supports max MAX_LOGICAL_DRIVES_EXT lds and
+ * uses extended struct MR_FW_RAID_MAP_EXT
*/
static int
megasas_get_ld_map_info(struct megasas_instance *instance)
@@ -704,7 +824,7 @@
int ret = 0;
struct megasas_cmd *cmd;
struct megasas_dcmd_frame *dcmd;
- struct MR_FW_RAID_MAP_ALL *ci;
+ void *ci;
dma_addr_t ci_h = 0;
u32 size_map_info;
struct fusion_context *fusion;
@@ -712,7 +832,7 @@
cmd = megasas_get_cmd(instance);
if (!cmd) {
- printk(KERN_DEBUG "megasas: Failed to get cmd for map info.\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for map info\n");
return -ENOMEM;
}
@@ -720,43 +840,45 @@
if (!fusion) {
megasas_return_cmd(instance, cmd);
- return 1;
+ return -ENXIO;
}
dcmd = &cmd->frame->dcmd;
- size_map_info = sizeof(struct MR_FW_RAID_MAP) +
- (sizeof(struct MR_LD_SPAN_MAP) *(MAX_LOGICAL_DRIVES - 1));
+ size_map_info = fusion->current_map_sz;
- ci = fusion->ld_map[(instance->map_id & 1)];
+ ci = (void *) fusion->ld_map[(instance->map_id & 1)];
ci_h = fusion->ld_map_phys[(instance->map_id & 1)];
if (!ci) {
- printk(KERN_DEBUG "Failed to alloc mem for ld_map_info\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to alloc mem for ld_map_info\n");
megasas_return_cmd(instance, cmd);
return -ENOMEM;
}
- memset(ci, 0, sizeof(*ci));
+ memset(ci, 0, fusion->max_map_sz);
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
-
+#if VD_EXT_DEBUG
+ dev_dbg(&instance->pdev->dev,
+ "%s sending MR_DCMD_LD_MAP_GET_INFO with size %d\n",
+ __func__, cpu_to_le32(size_map_info));
+#endif
dcmd->cmd = MFI_CMD_DCMD;
dcmd->cmd_status = 0xFF;
dcmd->sge_count = 1;
- dcmd->flags = MFI_FRAME_DIR_READ;
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ);
dcmd->timeout = 0;
dcmd->pad_0 = 0;
- dcmd->data_xfer_len = size_map_info;
- dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
- dcmd->sgl.sge32[0].phys_addr = ci_h;
- dcmd->sgl.sge32[0].length = size_map_info;
-
- if (!megasas_issue_polled(instance, cmd))
- ret = 0;
- else {
- printk(KERN_ERR "megasas: Get LD Map Info Failed\n");
- ret = -1;
- }
+ dcmd->data_xfer_len = cpu_to_le32(size_map_info);
+ dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO);
+ dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h);
+ dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info);
+
+ if (instance->ctrl_context && !instance->mask_interrupts)
+ ret = megasas_issue_blocked_cmd(instance, cmd,
+ MEGASAS_BLOCKED_CMD_TIMEOUT);
+ else
+ ret = megasas_issue_polled(instance, cmd);
megasas_return_cmd(instance, cmd);
@@ -770,8 +892,7 @@
fusion->fast_path_io = 0;
if (!megasas_get_ld_map_info(instance)) {
- if (MR_ValidateMapInfo(fusion->ld_map[(instance->map_id & 1)],
- fusion->load_balance_info)) {
+ if (MR_ValidateMapInfo(instance)) {
fusion->fast_path_io = 1;
return 0;
}
@@ -796,7 +917,7 @@
u32 size_sync_info, num_lds;
struct fusion_context *fusion;
struct MR_LD_TARGET_SYNC *ci = NULL;
- struct MR_FW_RAID_MAP_ALL *map;
+ struct MR_DRV_RAID_MAP_ALL *map;
struct MR_LD_RAID *raid;
struct MR_LD_TARGET_SYNC *ld_sync;
dma_addr_t ci_h = 0;
@@ -805,8 +926,7 @@
cmd = megasas_get_cmd(instance);
if (!cmd) {
- printk(KERN_DEBUG "megasas: Failed to get cmd for sync"
- "info.\n");
+ dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to get cmd for sync info\n");
return -ENOMEM;
}
@@ -817,9 +937,9 @@
return 1;
}
- map = fusion->ld_map[instance->map_id & 1];
+ map = fusion->ld_drv_map[instance->map_id & 1];
- num_lds = map->raidMap.ldCount;
+ num_lds = le16_to_cpu(map->raidMap.ldCount);
dcmd = &cmd->frame->dcmd;
@@ -829,7 +949,7 @@
ci = (struct MR_LD_TARGET_SYNC *)
fusion->ld_map[(instance->map_id - 1) & 1];
- memset(ci, 0, sizeof(struct MR_FW_RAID_MAP_ALL));
+ memset(ci, 0, fusion->max_map_sz);
ci_h = fusion->ld_map_phys[(instance->map_id - 1) & 1];
@@ -841,21 +961,20 @@
ld_sync->seqNum = raid->seqNum;
}
- size_map_info = sizeof(struct MR_FW_RAID_MAP) +
- (sizeof(struct MR_LD_SPAN_MAP) *(MAX_LOGICAL_DRIVES - 1));
+ size_map_info = fusion->current_map_sz;
dcmd->cmd = MFI_CMD_DCMD;
dcmd->cmd_status = 0xFF;
dcmd->sge_count = 1;
- dcmd->flags = MFI_FRAME_DIR_WRITE;
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE);
dcmd->timeout = 0;
dcmd->pad_0 = 0;
- dcmd->data_xfer_len = size_map_info;
+ dcmd->data_xfer_len = cpu_to_le32(size_map_info);
dcmd->mbox.b[0] = num_lds;
dcmd->mbox.b[1] = MEGASAS_DCMD_MBOX_PEND_FLAG;
- dcmd->opcode = MR_DCMD_LD_MAP_GET_INFO;
- dcmd->sgl.sge32[0].phys_addr = ci_h;
- dcmd->sgl.sge32[0].length = size_map_info;
+ dcmd->opcode = cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO);
+ dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h);
+ dcmd->sgl.sge32[0].length = cpu_to_le32(size_map_info);
instance->map_update_cmd = cmd;
@@ -864,6 +983,78 @@
return ret;
}
+/*
+ * meagasas_display_intel_branding - Display branding string
+ * @instance: per adapter object
+ *
+ * Return nothing.
+ */
+static void
+megasas_display_intel_branding(struct megasas_instance *instance)
+{
+ if (instance->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
+ return;
+
+ switch (instance->pdev->device) {
+ case PCI_DEVICE_ID_LSI_INVADER:
+ switch (instance->pdev->subsystem_device) {
+ case MEGARAID_INTEL_RS3DC080_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3DC080_BRANDING);
+ break;
+ case MEGARAID_INTEL_RS3DC040_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3DC040_BRANDING);
+ break;
+ case MEGARAID_INTEL_RS3SC008_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3SC008_BRANDING);
+ break;
+ case MEGARAID_INTEL_RS3MC044_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3MC044_BRANDING);
+ break;
+ default:
+ break;
+ }
+ break;
+ case PCI_DEVICE_ID_LSI_FURY:
+ switch (instance->pdev->subsystem_device) {
+ case MEGARAID_INTEL_RS3WC080_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3WC080_BRANDING);
+ break;
+ case MEGARAID_INTEL_RS3WC040_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RS3WC040_BRANDING);
+ break;
+ default:
+ break;
+ }
+ break;
+ case PCI_DEVICE_ID_LSI_CUTLASS_52:
+ case PCI_DEVICE_ID_LSI_CUTLASS_53:
+ switch (instance->pdev->subsystem_device) {
+ case MEGARAID_INTEL_RMS3BC160_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RMS3BC160_BRANDING);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
/**
* megasas_init_adapter_fusion - Initializes the FW
* @instance: Adapter soft state
@@ -875,7 +1066,7 @@
{
struct megasas_register_set __iomem *reg_set;
struct fusion_context *fusion;
- u32 max_cmd;
+ u32 max_cmd, scratch_pad_2;
int i = 0, count;
fusion = instance->ctrl_context;
@@ -895,12 +1086,16 @@
* does not exceed max cmds that the FW can support
*/
instance->max_fw_cmds = instance->max_fw_cmds-1;
- /* Only internal cmds (DCMD) need to have MFI frames */
- instance->max_mfi_cmds = MEGASAS_INT_CMDS;
+
+ /*
+ * Only Driver's internal DCMDs and IOCTL DCMDs needs to have MFI frames
+ */
+ instance->max_mfi_cmds =
+ MEGASAS_FUSION_INTERNAL_CMDS + MEGASAS_FUSION_IOCTL_CMDS;
max_cmd = instance->max_fw_cmds;
- fusion->reply_q_depth = ((max_cmd + 1 + 15)/16)*16;
+ fusion->reply_q_depth = 2 * (((max_cmd + 1 + 15)/16)*16);
fusion->request_alloc_sz =
sizeof(union MEGASAS_REQUEST_DESCRIPTOR_UNION) *max_cmd;
@@ -910,15 +1105,40 @@
(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE *
(max_cmd + 1)); /* Extra 1 for SMID 0 */
+ scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2);
+ /* If scratch_pad_2 & 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)
+ instance->max_chain_frame_sz =
+ ((scratch_pad_2 & 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) >>
+ MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO;
+
+ if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) {
+ dev_warn(&instance->pdev->dev, "frame size %d invalid, fall back to legacy max frame size %d\n",
+ instance->max_chain_frame_sz,
+ MEGASAS_CHAIN_FRAME_SZ_MIN);
+ instance->max_chain_frame_sz = MEGASAS_CHAIN_FRAME_SZ_MIN;
+ }
+
fusion->max_sge_in_main_msg =
- (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE -
- offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16;
+ (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE
+ - offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16;
fusion->max_sge_in_chain =
- MEGASAS_MAX_SZ_CHAIN_FRAME / sizeof(union MPI2_SGE_IO_UNION);
+ instance->max_chain_frame_sz
+ / sizeof(union MPI2_SGE_IO_UNION);
- instance->max_num_sge = fusion->max_sge_in_main_msg +
- fusion->max_sge_in_chain - 2;
+ instance->max_num_sge =
+ rounddown_pow_of_two(fusion->max_sge_in_main_msg
+ + fusion->max_sge_in_chain - 2);
/* Used for pass thru MFI frame (DCMD) */
fusion->chain_offset_mfi_pthru =
@@ -933,6 +1153,15 @@
fusion->last_reply_idx[i] = 0;
/*
+ * For fusion adapters, 3 commands for IOCTL and 5 commands
+ * for driver's internal DCMDs.
+ */
+ instance->max_scsi_cmds = instance->max_fw_cmds -
+ (MEGASAS_FUSION_INTERNAL_CMDS +
+ MEGASAS_FUSION_IOCTL_CMDS);
+ sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS);
+
+ /*
* Allocate memory for descriptors
* Create a pool of commands
*/
@@ -944,20 +1173,42 @@
if (megasas_ioc_init_fusion(instance))
goto fail_ioc_init;
- instance->flag_ieee = 1;
-
- fusion->map_sz = sizeof(struct MR_FW_RAID_MAP) +
- (sizeof(struct MR_LD_SPAN_MAP) *(MAX_LOGICAL_DRIVES - 1));
+ megasas_display_intel_branding(instance);
+ if (megasas_get_ctrl_info(instance)) {
+ dev_err(&instance->pdev->dev,
+ "Could not get controller info. Fail from %s %d\n",
+ __func__, __LINE__);
+ goto fail_ioc_init;
+ }
+ instance->flag_ieee = 1;
fusion->fast_path_io = 0;
+ fusion->drv_map_pages = get_order(fusion->drv_map_sz);
+ for (i = 0; i < 2; i++) {
+ fusion->ld_map[i] = NULL;
+ fusion->ld_drv_map[i] = (void *)__get_free_pages(GFP_KERNEL,
+ fusion->drv_map_pages);
+ if (!fusion->ld_drv_map[i]) {
+ dev_err(&instance->pdev->dev, "Could not allocate "
+ "memory for local map info for %d pages\n",
+ fusion->drv_map_pages);
+ if (i == 1)
+ free_pages((ulong)fusion->ld_drv_map[0],
+ fusion->drv_map_pages);
+ goto fail_ioc_init;
+ }
+ memset(fusion->ld_drv_map[i], 0,
+ ((1 << PAGE_SHIFT) << fusion->drv_map_pages));
+ }
+
for (i = 0; i < 2; i++) {
fusion->ld_map[i] = dma_alloc_coherent(&instance->pdev->dev,
- fusion->map_sz,
+ fusion->max_map_sz,
&fusion->ld_map_phys[i],
GFP_KERNEL);
if (!fusion->ld_map[i]) {
- printk(KERN_ERR "megasas: Could not allocate memory "
+ dev_err(&instance->pdev->dev, "Could not allocate memory "
"for map info\n");
goto fail_map_info;
}
@@ -970,7 +1221,7 @@
fail_map_info:
if (i == 1)
- dma_free_coherent(&instance->pdev->dev, fusion->map_sz,
+ dma_free_coherent(&instance->pdev->dev, fusion->max_map_sz,
fusion->ld_map[0], fusion->ld_map_phys[0]);
fail_ioc_init:
megasas_free_cmds_fusion(instance);
@@ -981,28 +1232,6 @@
}
/**
- * megasas_fire_cmd_fusion - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
- */
-void
-megasas_fire_cmd_fusion(struct megasas_instance *instance,
- dma_addr_t req_desc_lo,
- u32 req_desc_hi,
- struct megasas_register_set __iomem *regs)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&instance->hba_lock, flags);
-
- writel(req_desc_lo,
- &(regs)->inbound_low_queue_port);
- writel(req_desc_hi, &(regs)->inbound_high_queue_port);
- spin_unlock_irqrestore(&instance->hba_lock, flags);
-}
-
-/**
* map_cmd_status - Maps FW cmd status to OS cmd status
* @cmd : Pointer to cmd
* @status : status of cmd returned by FW
@@ -1044,7 +1273,7 @@
cmd->scmd->result = DID_IMM_RETRY << 16;
break;
default:
- printk(KERN_DEBUG "megasas: FW status %#x\n", status);
+ dev_printk(KERN_DEBUG, &cmd->instance->pdev->dev, "FW status %#x\n", status);
cmd->scmd->result = DID_ERROR << 16;
break;
}
@@ -1071,7 +1300,7 @@
fusion = instance->ctrl_context;
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (fusion->adapter_type == INVADER_SERIES) {
struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr;
sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
sgl_ptr_end->Flags = 0;
@@ -1085,13 +1314,12 @@
return sge_count;
scsi_for_each_sg(scp, os_sgl, sge_count, i) {
- sgl_ptr->Length = sg_dma_len(os_sgl);
- sgl_ptr->Address = sg_dma_address(os_sgl);
+ sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl));
+ sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl));
sgl_ptr->Flags = 0;
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (fusion->adapter_type == INVADER_SERIES)
if (i == sge_count - 1)
sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
- }
sgl_ptr++;
sg_processed = i + 1;
@@ -1100,11 +1328,10 @@
(sge_count > fusion->max_sge_in_main_msg)) {
struct MPI25_IEEE_SGE_CHAIN64 *sg_chain;
- if (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) {
- if ((cmd->io_request->IoFlags &
- MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
- MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
+ if (fusion->adapter_type == INVADER_SERIES) {
+ if ((le16_to_cpu(cmd->io_request->IoFlags) &
+ MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
+ MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
cmd->io_request->ChainOffset =
fusion->
chain_offset_io_request;
@@ -1117,19 +1344,18 @@
sg_chain = sgl_ptr;
/* Prepare chain element */
sg_chain->NextChainOffset = 0;
- if (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER)
+ if (fusion->adapter_type == INVADER_SERIES)
sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
else
sg_chain->Flags =
(IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
- sg_chain->Length = (sizeof(union MPI2_SGE_IO_UNION)
- *(sge_count - sg_processed));
- sg_chain->Address = cmd->sg_frame_phys_addr;
+ sg_chain->Length = cpu_to_le32((sizeof(union MPI2_SGE_IO_UNION) * (sge_count - sg_processed)));
+ sg_chain->Address = cpu_to_le64(cmd->sg_frame_phys_addr);
sgl_ptr =
(struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame;
+ memset(sgl_ptr, 0, instance->max_chain_frame_sz);
}
}
@@ -1147,7 +1373,7 @@
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_FW_RAID_MAP_ALL *local_map_ptr, u32 ref_tag)
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr, u32 ref_tag)
{
struct MR_LD_RAID *raid;
u32 ld;
@@ -1183,8 +1409,8 @@
/* Logical block reference tag */
io_request->CDB.EEDP32.PrimaryReferenceTag =
cpu_to_be32(ref_tag);
- io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0xffff;
- io_request->IoFlags = 32; /* Specify 32-byte cdb */
+ io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff);
+ io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */
/* Transfer length */
cdb[28] = (u8)((num_blocks >> 24) & 0xff);
@@ -1194,19 +1420,19 @@
/* set SCSI IO EEDPFlags */
if (scp->sc_data_direction == PCI_DMA_FROMDEVICE) {
- io_request->EEDPFlags =
+ io_request->EEDPFlags = cpu_to_le16(
MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP |
MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
} else {
- io_request->EEDPFlags =
+ io_request->EEDPFlags = cpu_to_le16(
MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
+ MPI2_SCSIIO_EEDPFLAGS_INSERT_OP);
}
- io_request->Control |= (0x4 << 26);
- io_request->EEDPBlockSize = scp->device->sector_size;
+ io_request->Control |= cpu_to_le32((0x4 << 26));
+ io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size);
} else {
/* Some drives don't support 16/12 byte CDB's, convert to 10 */
if (((cdb_len == 12) || (cdb_len == 16)) &&
@@ -1234,7 +1460,7 @@
cdb[8] = (u8)(num_blocks & 0xff);
cdb[7] = (u8)((num_blocks >> 8) & 0xff);
- io_request->IoFlags = 10; /* Specify 10-byte cdb */
+ io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */
cdb_len = 10;
} else if ((cdb_len < 16) && (start_blk > 0xffffffff)) {
/* Convert to 16 byte CDB for large LBA's */
@@ -1272,7 +1498,7 @@
cdb[11] = (u8)((num_blocks >> 16) & 0xff);
cdb[10] = (u8)((num_blocks >> 24) & 0xff);
- io_request->IoFlags = 16; /* Specify 16-byte cdb */
+ io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */
cdb_len = 16;
}
@@ -1332,14 +1558,15 @@
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
struct IO_REQUEST_INFO io_info;
struct fusion_context *fusion;
- struct MR_FW_RAID_MAP_ALL *local_map_ptr;
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
+ u8 *raidLUN;
- device_id = MEGASAS_DEV_INDEX(instance, scp);
+ device_id = MEGASAS_DEV_INDEX(scp);
fusion = instance->ctrl_context;
io_request = cmd->io_request;
- io_request->RaidContext.VirtualDiskTgtId = device_id;
+ io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id);
io_request->RaidContext.status = 0;
io_request->RaidContext.exStatus = 0;
@@ -1403,29 +1630,29 @@
io_info.ldStartBlock = ((u64)start_lba_hi << 32) | start_lba_lo;
io_info.numBlocks = datalength;
io_info.ldTgtId = device_id;
- io_request->DataLength = scsi_bufflen(scp);
+ io_request->DataLength = cpu_to_le32(scsi_bufflen(scp));
if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
io_info.isRead = 1;
- local_map_ptr = fusion->ld_map[(instance->map_id & 1)];
+ local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
if ((MR_TargetIdToLdGet(device_id, local_map_ptr) >=
- MAX_LOGICAL_DRIVES) || (!fusion->fast_path_io)) {
+ instance->fw_supported_vd_count) || (!fusion->fast_path_io)) {
io_request->RaidContext.regLockFlags = 0;
fp_possible = 0;
} else {
if (MR_BuildRaidContext(instance, &io_info,
&io_request->RaidContext,
- local_map_ptr))
+ local_map_ptr, &raidLUN))
fp_possible = io_info.fpOkForIo;
}
- /* Use smp_processor_id() for now until cmd->request->cpu is CPU
+ /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU
id by default, not CPU group id, otherwise all MSI-X queues won't
be utilized */
cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ?
- smp_processor_id() % instance->msix_vectors : 0;
+ raw_smp_processor_id() % instance->msix_vectors : 0;
if (fp_possible) {
megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
@@ -1434,7 +1661,7 @@
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
<< MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
@@ -1442,8 +1669,7 @@
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
io_request->RaidContext.Type = MPI2_TYPE_CUDA;
io_request->RaidContext.nseg = 0x1;
- io_request->IoFlags |=
- MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
+ io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
io_request->RaidContext.regLockFlags |=
(MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
MR_RL_FLAGS_SEQ_NUM_ENABLE);
@@ -1451,21 +1677,32 @@
if ((fusion->load_balance_info[device_id].loadBalanceFlag) &&
(io_info.isRead)) {
io_info.devHandle =
- get_updated_dev_handle(
+ get_updated_dev_handle(instance,
&fusion->load_balance_info[device_id],
&io_info);
scp->SCp.Status |= MEGASAS_LOAD_BALANCE_FLAG;
+ cmd->pd_r1_lb = io_info.pd_after_lb;
} else
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
+
+ if ((raidLUN[0] == 1) &&
+ (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) {
+ instance->dev_handle = !(instance->dev_handle);
+ io_info.devHandle =
+ local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];
+ }
+
cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
io_request->DevHandle = io_info.devHandle;
+ /* populate the LUN field */
+ memcpy(io_request->LUN, raidLUN, 8);
} else {
io_request->RaidContext.timeoutValue =
- local_map_ptr->raidMap.fpPdIoTimeoutSec;
+ 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->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
@@ -1478,65 +1715,192 @@
io_request->RaidContext.nseg = 0x1;
}
io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- io_request->DevHandle = device_id;
+ io_request->DevHandle = cpu_to_le16(device_id);
} /* Not FP */
}
/**
- * megasas_build_dcdb_fusion - Prepares IOs to devices
+ * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk
* @instance: Adapter soft state
* @scp: SCSI command
* @cmd: Command to be prepared
*
- * Prepares the io_request frame for non-io cmds
+ * Prepares the io_request frame for non-rw io cmds for vd.
*/
-static void
-megasas_build_dcdb_fusion(struct megasas_instance *instance,
- struct scsi_cmnd *scmd,
- struct megasas_cmd_fusion *cmd)
+static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd)
{
u32 device_id;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
u16 pd_index = 0;
- struct MR_FW_RAID_MAP_ALL *local_map_ptr;
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
struct fusion_context *fusion = instance->ctrl_context;
+ u8 span, physArm;
+ __le16 devHandle;
+ u32 ld, arRef, pd;
+ struct MR_LD_RAID *raid;
+ struct RAID_CONTEXT *pRAID_Context;
+ u8 fp_possible = 1;
io_request = cmd->io_request;
- device_id = MEGASAS_DEV_INDEX(instance, scmd);
- pd_index = (scmd->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL)
- +scmd->device->id;
- local_map_ptr = fusion->ld_map[(instance->map_id & 1)];
-
- /* Check if this is a system PD I/O */
- if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
- instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
- io_request->Function = 0;
- if (fusion->fast_path_io)
- io_request->DevHandle =
- local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
- io_request->RaidContext.timeoutValue =
- local_map_ptr->raidMap.fpPdIoTimeoutSec;
- io_request->RaidContext.regLockFlags = 0;
- io_request->RaidContext.regLockRowLBA = 0;
- io_request->RaidContext.regLockLength = 0;
- io_request->RaidContext.RAIDFlags =
- MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD <<
- MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
+ device_id = MEGASAS_DEV_INDEX(scmd);
+ pd_index = MEGASAS_PD_INDEX(scmd);
+ local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
+ io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
+ /* get RAID_Context pointer */
+ pRAID_Context = &io_request->RaidContext;
+ /* Check with FW team */
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->regLockRowLBA = 0;
+ pRAID_Context->regLockLength = 0;
+
+ if (fusion->fast_path_io && (
+ device_id < instance->fw_supported_vd_count)) {
+
+ ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
+ if (ld >= instance->fw_supported_vd_count)
+ fp_possible = 0;
+
+ raid = MR_LdRaidGet(ld, local_map_ptr);
+ if (!(raid->capability.fpNonRWCapable))
+ fp_possible = 0;
+ } else
+ fp_possible = 0;
+
+ if (!fp_possible) {
+ io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
+ io_request->DevHandle = cpu_to_le16(device_id);
+ io_request->LUN[1] = scmd->device->lun;
+ pRAID_Context->timeoutValue =
+ cpu_to_le16 (scmd->request->timeout / HZ);
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ } else {
+
+ /* set RAID context values */
+ pRAID_Context->configSeqNum = raid->seqNum;
+ pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
+ pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
+
+ /* get the DevHandle for the PD (since this is
+ fpNonRWCapable, this is a single disk RAID0) */
+ span = physArm = 0;
+ arRef = MR_LdSpanArrayGet(ld, span, local_map_ptr);
+ pd = MR_ArPdGet(arRef, physArm, local_map_ptr);
+ devHandle = MR_PdDevHandleGet(pd, local_map_ptr);
+
+ /* build request descriptor */
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- cmd->request_desc->SCSIIO.DevHandle =
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ cmd->request_desc->SCSIIO.DevHandle = devHandle;
+
+ /* populate the LUN field */
+ memcpy(io_request->LUN, raid->LUN, 8);
+
+ /* build the raidScsiIO structure */
+ io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ io_request->DevHandle = devHandle;
+ }
+}
+
+/**
+ * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd
+ * @instance: Adapter soft state
+ * @scp: SCSI command
+ * @cmd: Command to be prepared
+ * @fp_possible: parameter to detect fast path or firmware path io.
+ *
+ * Prepares the io_request frame for rw/non-rw io cmds for syspds
+ */
+static void
+megasas_build_syspd_fusion(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, u8 fp_possible)
+{
+ u32 device_id;
+ struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
+ u16 pd_index = 0;
+ u16 os_timeout_value;
+ u16 timeout_limit;
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
+ struct RAID_CONTEXT *pRAID_Context;
+ struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
+ struct fusion_context *fusion = instance->ctrl_context;
+ pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1];
+
+ device_id = MEGASAS_DEV_INDEX(scmd);
+ pd_index = MEGASAS_PD_INDEX(scmd);
+ os_timeout_value = scmd->request->timeout / HZ;
+
+ io_request = cmd->io_request;
+ /* get RAID_Context pointer */
+ pRAID_Context = &io_request->RaidContext;
+ pRAID_Context->regLockFlags = 0;
+ pRAID_Context->regLockRowLBA = 0;
+ pRAID_Context->regLockLength = 0;
+ io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
+ io_request->LUN[1] = scmd->device->lun;
+ pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
+ << 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
+ */
+ pRAID_Context->VirtualDiskTgtId =
+ cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
+ pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum;
+ io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
+ pRAID_Context->regLockFlags |=
+ (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
+ } else if (fusion->fast_path_io) {
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->configSeqNum = 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->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->configSeqNum = 0;
+ io_request->DevHandle = cpu_to_le16(0xFFFF);
+ }
+
+ cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ instance->msix_vectors ?
+ (raw_smp_processor_id() % instance->msix_vectors) : 0;
+
+
+ if (!fp_possible) {
+ /* system pd firmware path */
io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- io_request->DevHandle = device_id;
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value);
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ } else {
+ /* system pd Fast Path */
+ io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ timeout_limit = (scmd->device->type == TYPE_DISK) ?
+ 255 : 0xFFFF;
+ pRAID_Context->timeoutValue =
+ cpu_to_le16((os_timeout_value > timeout_limit) ?
+ timeout_limit : os_timeout_value);
+ if (fusion->adapter_type == INVADER_SERIES)
+ io_request->IoFlags |=
+ cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
+
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
- io_request->RaidContext.VirtualDiskTgtId = device_id;
- io_request->LUN[1] = scmd->device->lun;
- io_request->DataLength = scsi_bufflen(scmd);
}
/**
@@ -1553,13 +1917,12 @@
struct scsi_cmnd *scp,
struct megasas_cmd_fusion *cmd)
{
- u32 device_id, sge_count;
+ u16 sge_count;
+ u8 cmd_type;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request;
- device_id = MEGASAS_DEV_INDEX(instance, scp);
-
/* Zero out some fields so they don't get reused */
- io_request->LUN[1] = 0;
+ memset(io_request->LUN, 0x0, 8);
io_request->CDB.EEDP32.PrimaryReferenceTag = 0;
io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0;
io_request->EEDPFlags = 0;
@@ -1575,12 +1938,26 @@
* Just the CDB length,rest of the Flags are zero
* This will be modified for FP in build_ldio_fusion
*/
- io_request->IoFlags = scp->cmd_len;
+ io_request->IoFlags = cpu_to_le16(scp->cmd_len);
- if (megasas_is_ldio(scp))
+ switch (cmd_type = megasas_cmd_type(scp)) {
+ case READ_WRITE_LDIO:
megasas_build_ldio_fusion(instance, scp, cmd);
- else
- megasas_build_dcdb_fusion(instance, scp, cmd);
+ break;
+ case NON_READ_WRITE_LDIO:
+ megasas_build_ld_nonrw_fusion(instance, scp, cmd);
+ break;
+ case READ_WRITE_SYSPDIO:
+ case NON_READ_WRITE_SYSPDIO:
+ if (instance->secure_jbod_support &&
+ (cmd_type == NON_READ_WRITE_SYSPDIO))
+ megasas_build_syspd_fusion(instance, scp, cmd, 0);
+ else
+ megasas_build_syspd_fusion(instance, scp, cmd, 1);
+ break;
+ default:
+ break;
+ }
/*
* Construct SGL
@@ -1592,25 +1969,29 @@
&io_request->SGL, cmd);
if (sge_count > instance->max_num_sge) {
- printk(KERN_ERR "megasas: Error. sge_count (0x%x) exceeds "
+ dev_err(&instance->pdev->dev, "Error. sge_count (0x%x) exceeds "
"max (0x%x) allowed\n", sge_count,
instance->max_num_sge);
return 1;
}
+ /* numSGE store lower 8 bit of sge_count.
+ * numSGEExt store higher 8 bit of sge_count
+ */
io_request->RaidContext.numSGE = sge_count;
+ io_request->RaidContext.numSGEExt = (u8)(sge_count >> 8);
- io_request->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
+ io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
if (scp->sc_data_direction == PCI_DMA_TODEVICE)
- io_request->Control |= MPI2_SCSIIO_CONTROL_WRITE;
+ io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE);
else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
- io_request->Control |= MPI2_SCSIIO_CONTROL_READ;
+ io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ);
io_request->SGLOffset0 =
offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL) / 4;
- io_request->SenseBufferLowAddress = cmd->sense_phys_addr;
+ io_request->SenseBufferLowAddress = cpu_to_le32(cmd->sense_phys_addr);
io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
cmd->scmd = scp;
@@ -1626,8 +2007,9 @@
struct fusion_context *fusion;
if (index >= instance->max_fw_cmds) {
- printk(KERN_ERR "megasas: Invalid SMID (0x%x)request for "
- "descriptor\n", index);
+ dev_err(&instance->pdev->dev, "Invalid SMID (0x%x)request for "
+ "descriptor for scsi%d\n", index,
+ instance->host->host_no);
return NULL;
}
fusion = instance->ctrl_context;
@@ -1654,9 +2036,7 @@
fusion = instance->ctrl_context;
- cmd = megasas_get_cmd_fusion(instance);
- if (!cmd)
- return SCSI_MLQUEUE_HOST_BUSY;
+ cmd = megasas_get_cmd_fusion(instance, scmd->request->tag);
index = cmd->index;
@@ -1669,17 +2049,17 @@
if (megasas_build_io_fusion(instance, scmd, cmd)) {
megasas_return_cmd_fusion(instance, cmd);
- printk(KERN_ERR "megasas: Error building command.\n");
+ dev_err(&instance->pdev->dev, "Error building command\n");
cmd->request_desc = NULL;
return 1;
}
req_desc = cmd->request_desc;
- req_desc->SCSIIO.SMID = index;
+ req_desc->SCSIIO.SMID = cpu_to_le16(index);
if (cmd->io_request->ChainOffset != 0 &&
cmd->io_request->ChainOffset != 0xF)
- printk(KERN_ERR "megasas: The chain offset value is not "
+ dev_err(&instance->pdev->dev, "The chain offset value is not "
"correct : %x\n", cmd->io_request->ChainOffset);
/*
@@ -1687,9 +2067,7 @@
*/
atomic_inc(&instance->fw_outstanding);
- instance->instancet->fire_cmd(instance,
- req_desc->u.low, req_desc->u.high,
- instance->reg_set);
+ megasas_fire_cmd_fusion(instance, req_desc);
return 0;
}
@@ -1709,10 +2087,12 @@
struct megasas_cmd *cmd_mfi;
struct megasas_cmd_fusion *cmd_fusion;
u16 smid, num_completed;
- u8 reply_descript_type, arm;
+ u8 reply_descript_type;
u32 status, extStatus, device_id;
union desc_value d_val;
struct LD_LOAD_BALANCE_INFO *lbinfo;
+ int threshold_reply_count = 0;
+ struct scsi_cmnd *scmd_local = NULL;
fusion = instance->ctrl_context;
@@ -1736,8 +2116,9 @@
num_completed = 0;
- while ((d_val.u.low != UINT_MAX) && (d_val.u.high != UINT_MAX)) {
- smid = reply_desc->SMID;
+ while (d_val.u.low != cpu_to_le32(UINT_MAX) &&
+ d_val.u.high != cpu_to_le32(UINT_MAX)) {
+ smid = le16_to_cpu(reply_desc->SMID);
cmd_fusion = fusion->cmd_list[smid - 1];
@@ -1748,48 +2129,50 @@
if (cmd_fusion->scmd)
cmd_fusion->scmd->SCp.ptr = NULL;
+ scmd_local = cmd_fusion->scmd;
status = scsi_io_req->RaidContext.status;
extStatus = scsi_io_req->RaidContext.exStatus;
switch (scsi_io_req->Function) {
case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/
/* Update load balancing info */
- device_id = MEGASAS_DEV_INDEX(instance,
- cmd_fusion->scmd);
+ device_id = MEGASAS_DEV_INDEX(scmd_local);
lbinfo = &fusion->load_balance_info[device_id];
if (cmd_fusion->scmd->SCp.Status &
MEGASAS_LOAD_BALANCE_FLAG) {
- arm = lbinfo->raid1DevHandle[0] ==
- cmd_fusion->io_request->DevHandle ? 0 :
- 1;
- atomic_dec(&lbinfo->scsi_pending_cmds[arm]);
+ atomic_dec(&lbinfo->scsi_pending_cmds[cmd_fusion->pd_r1_lb]);
cmd_fusion->scmd->SCp.Status &=
~MEGASAS_LOAD_BALANCE_FLAG;
}
if (reply_descript_type ==
MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) {
if (megasas_dbg_lvl == 5)
- printk(KERN_ERR "\nmegasas: FAST Path "
+ dev_err(&instance->pdev->dev, "\nFAST Path "
"IO Success\n");
}
/* Fall thru and complete IO */
case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */
/* Map the FW Cmd Status */
map_cmd_status(cmd_fusion, status, extStatus);
- scsi_dma_unmap(cmd_fusion->scmd);
- cmd_fusion->scmd->scsi_done(cmd_fusion->scmd);
scsi_io_req->RaidContext.status = 0;
scsi_io_req->RaidContext.exStatus = 0;
megasas_return_cmd_fusion(instance, cmd_fusion);
+ scsi_dma_unmap(scmd_local);
+ scmd_local->scsi_done(scmd_local);
atomic_dec(&instance->fw_outstanding);
break;
case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */
cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
- megasas_complete_cmd(instance, cmd_mfi, DID_OK);
- cmd_fusion->flags = 0;
- megasas_return_cmd_fusion(instance, cmd_fusion);
+ /* Poll mode. Dummy free.
+ * In case of Interrupt mode, caller has reverse check.
+ */
+ if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) {
+ cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE;
+ megasas_return_cmd(instance, cmd_mfi);
+ } else
+ megasas_complete_cmd(instance, cmd_mfi, DID_OK);
break;
}
@@ -1798,8 +2181,9 @@
fusion->reply_q_depth)
fusion->last_reply_idx[MSIxIndex] = 0;
- desc->Words = ULLONG_MAX;
+ desc->Words = cpu_to_le64(ULLONG_MAX);
num_completed++;
+ threshold_reply_count++;
/* Get the next reply descriptor */
if (!fusion->last_reply_idx[MSIxIndex])
@@ -1819,14 +2203,36 @@
if (reply_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
break;
+ /*
+ * Write to reply post host index register after completing threshold
+ * 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 (fusion->adapter_type == INVADER_SERIES)
+ 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]);
+ threshold_reply_count = 0;
+ }
}
if (!num_completed)
return IRQ_NONE;
wmb();
- writel((MSIxIndex << 24) | fusion->last_reply_idx[MSIxIndex],
- &instance->reg_set->reply_post_host_index);
+ if (fusion->adapter_type == INVADER_SERIES)
+ 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;
}
@@ -1866,7 +2272,10 @@
{
struct megasas_irq_context *irq_context = devp;
struct megasas_instance *instance = irq_context->instance;
- u32 mfiStatus, fw_state;
+ u32 mfiStatus, fw_state, dma_state;
+
+ if (instance->mask_interrupts)
+ return IRQ_NONE;
if (!instance->msix_vectors) {
mfiStatus = instance->instancet->clear_intr(instance->reg_set);
@@ -1885,8 +2294,20 @@
/* 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;
- if (fw_state == MFI_STATE_FAULT)
+ 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)
+ 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);
schedule_work(&instance->work_init);
+ }
}
return IRQ_HANDLED;
@@ -1908,28 +2329,26 @@
struct fusion_context *fusion;
struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr;
- cmd = megasas_get_cmd_fusion(instance);
- if (!cmd)
- return 1;
+ fusion = instance->ctrl_context;
+
+ cmd = megasas_get_cmd_fusion(instance,
+ instance->max_scsi_cmds + mfi_cmd->index);
/* Save the smid. To be used for returning the cmd */
mfi_cmd->context.smid = cmd->index;
- cmd->sync_cmd_idx = mfi_cmd->index;
-
/*
* For cmds where the flag is set, store the flag and check
* on completion. For cmds with this flag, don't call
* megasas_complete_cmd
*/
- if (frame_hdr->flags & MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)
- cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
+ if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE))
+ mfi_cmd->flags |= DRV_DCMD_POLLED_MODE;
- fusion = instance->ctrl_context;
io_req = cmd->io_request;
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (fusion->adapter_type == INVADER_SERIES) {
struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end =
(struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL;
sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
@@ -1944,12 +2363,12 @@
SGL) / 4;
io_req->ChainOffset = fusion->chain_offset_mfi_pthru;
- mpi25_ieee_chain->Address = mfi_cmd->frame_phys_addr;
+ mpi25_ieee_chain->Address = cpu_to_le64(mfi_cmd->frame_phys_addr);
mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
- mpi25_ieee_chain->Length = MEGASAS_MAX_SZ_CHAIN_FRAME;
+ mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz);
return 0;
}
@@ -1967,7 +2386,7 @@
u16 index;
if (build_mpt_mfi_pass_thru(instance, cmd)) {
- printk(KERN_ERR "Couldn't build MFI pass thru cmd\n");
+ dev_err(&instance->pdev->dev, "Couldn't build MFI pass thru cmd\n");
return NULL;
}
@@ -1982,7 +2401,7 @@
req_desc->SCSIIO.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- req_desc->SCSIIO.SMID = index;
+ req_desc->SCSIIO.SMID = cpu_to_le16(index);
return req_desc;
}
@@ -2001,16 +2420,15 @@
req_desc = build_mpt_cmd(instance, cmd);
if (!req_desc) {
- printk(KERN_ERR "Couldn't issue MFI pass thru cmd\n");
+ dev_err(&instance->pdev->dev, "Couldn't issue MFI pass thru cmd\n");
return;
}
- instance->instancet->fire_cmd(instance, req_desc->u.low,
- req_desc->u.high, instance->reg_set);
+ megasas_fire_cmd_fusion(instance, req_desc);
}
/**
* megasas_release_fusion - Reverses the FW initialization
- * @intance: Adapter soft state
+ * @instance: Adapter soft state
*/
void
megasas_release_fusion(struct megasas_instance *instance)
@@ -2034,6 +2452,51 @@
}
/**
+ * 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
+ */
+static void
+megasas_alloc_host_crash_buffer(struct megasas_instance *instance)
+{
+ unsigned int i;
+
+ instance->crash_buf_pages = get_order(CRASH_DMA_BUF_SIZE);
+ for (i = 0; i < MAX_CRASH_DUMP_SIZE; i++) {
+ instance->crash_buf[i] = (void *)__get_free_pages(GFP_KERNEL,
+ instance->crash_buf_pages);
+ if (!instance->crash_buf[i]) {
+ dev_info(&instance->pdev->dev, "Firmware crash dump "
+ "memory allocation failed at index %d\n", i);
+ break;
+ }
+ memset(instance->crash_buf[i], 0,
+ ((1 << PAGE_SHIFT) << instance->crash_buf_pages));
+ }
+ instance->drv_buf_alloc = i;
+}
+
+/**
+ * megasas_free_host_crash_buffer - Host buffers for Crash dump collection from Firmware
+ * @instance: Controller's soft instance
+ */
+void
+megasas_free_host_crash_buffer(struct megasas_instance *instance)
+{
+ unsigned int i
+;
+ for (i = 0; i < instance->drv_buf_alloc; i++) {
+ if (instance->crash_buf[i])
+ free_pages((ulong)instance->crash_buf[i],
+ instance->crash_buf_pages);
+ }
+ instance->drv_buf_index = 0;
+ instance->drv_buf_alloc = 0;
+ instance->fw_crash_state = UNAVAILABLE;
+ instance->fw_crash_buffer_size = 0;
+}
+
+/**
* megasas_adp_reset_fusion - For controller reset
* @regs: MFI register set
*/
@@ -2041,6 +2504,70 @@
megasas_adp_reset_fusion(struct megasas_instance *instance,
struct megasas_register_set __iomem *regs)
{
+ u32 host_diag, abs_state, retry;
+
+ /* Now try to reset the chip */
+ writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ 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);
+ retry = 0;
+ while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
+ msleep(100);
+ host_diag = readl(&instance->reg_set->fusion_host_diag);
+ if (retry++ == 100) {
+ dev_warn(&instance->pdev->dev,
+ "Host diag unlock failed from %s %d\n",
+ __func__, __LINE__);
+ break;
+ }
+ }
+ if (!(host_diag & HOST_DIAG_WRITE_ENABLE))
+ return -1;
+
+ /* Send chip reset command */
+ writel(host_diag | HOST_DIAG_RESET_ADAPTER,
+ &instance->reg_set->fusion_host_diag);
+ msleep(3000);
+
+ /* Make sure reset adapter bit is cleared */
+ host_diag = readl(&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);
+ if (retry++ == 1000) {
+ dev_warn(&instance->pdev->dev,
+ "Diag reset adapter never cleared %s %d\n",
+ __func__, __LINE__);
+ break;
+ }
+ }
+ if (host_diag & HOST_DIAG_RESET_ADAPTER)
+ return -1;
+
+ abs_state = instance->instancet->read_fw_status_reg(instance->reg_set)
+ & 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;
+ }
+ if (abs_state <= MFI_STATE_FW_INIT) {
+ dev_warn(&instance->pdev->dev,
+ "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n",
+ abs_state, __func__, __LINE__);
+ return -1;
+ }
+
return 0;
}
@@ -2056,9 +2583,10 @@
}
/* This function waits for outstanding commands on fusion to complete */
-int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance)
+int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
+ int iotimeout, int *convert)
{
- int i, outstanding, retval = 0;
+ int i, outstanding, retval = 0, hb_seconds_missed = 0;
u32 fw_state;
for (i = 0; i < resetwaittime; i++) {
@@ -2066,19 +2594,50 @@
fw_state = instance->instancet->read_fw_status_reg(
instance->reg_set) & MFI_STATE_MASK;
if (fw_state == MFI_STATE_FAULT) {
- printk(KERN_WARNING "megasas: Found FW in FAULT state,"
- " will reset adapter.\n");
+ dev_warn(&instance->pdev->dev, "Found FW in FAULT state,"
+ " will reset adapter scsi%d.\n",
+ instance->host->host_no);
+ retval = 1;
+ goto out;
+ }
+ /* If SR-IOV VF mode & heartbeat timeout, don't wait */
+ if (instance->requestorId && !iotimeout) {
retval = 1;
goto out;
}
+ /* If SR-IOV VF mode & I/O timeout, check for HB timeout */
+ if (instance->requestorId && iotimeout) {
+ if (instance->hb_host_mem->HB.fwCounter !=
+ instance->hb_host_mem->HB.driverCounter) {
+ instance->hb_host_mem->HB.driverCounter =
+ instance->hb_host_mem->HB.fwCounter;
+ hb_seconds_missed = 0;
+ } else {
+ hb_seconds_missed++;
+ if (hb_seconds_missed ==
+ (MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) {
+ dev_warn(&instance->pdev->dev, "SR-IOV:"
+ " Heartbeat never completed "
+ " while polling during I/O "
+ " timeout handling for "
+ "scsi%d.\n",
+ instance->host->host_no);
+ *convert = 1;
+ retval = 1;
+ goto out;
+ }
+ }
+ }
+
outstanding = atomic_read(&instance->fw_outstanding);
if (!outstanding)
goto out;
if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) {
- printk(KERN_NOTICE "megasas: [%2d]waiting for %d "
- "commands to complete\n", i, outstanding);
+ dev_notice(&instance->pdev->dev, "[%2d]waiting for %d "
+ "commands to complete for scsi%d\n", i,
+ outstanding, instance->host->host_no);
megasas_complete_cmd_dpc_fusion(
(unsigned long)instance);
}
@@ -2086,8 +2645,10 @@
}
if (atomic_read(&instance->fw_outstanding)) {
- printk("megaraid_sas: pending commands remain after waiting, "
- "will reset adapter.\n");
+ dev_err(&instance->pdev->dev, "pending commands remain after waiting, "
+ "will reset adapter scsi%d.\n",
+ instance->host->host_no);
+ *convert = 1;
retval = 1;
}
out:
@@ -2106,47 +2667,157 @@
fusion->last_reply_idx[i] = 0;
reply_desc = fusion->reply_frames_desc;
for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++)
- reply_desc->Words = ULLONG_MAX;
+ reply_desc->Words = cpu_to_le64(ULLONG_MAX);
}
-/* Core fusion reset function */
-int megasas_reset_fusion(struct Scsi_Host *shost)
+/*
+ * megasas_refire_mgmt_cmd : Re-fire management commands
+ * @instance: Controller's soft instance
+*/
+void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
{
- int retval = SUCCESS, i, j, retry = 0;
- struct megasas_instance *instance;
+ int j;
struct megasas_cmd_fusion *cmd_fusion;
struct fusion_context *fusion;
struct megasas_cmd *cmd_mfi;
union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
- u32 host_diag, abs_state, status_reg, reset_adapter;
+ u16 smid;
+
+ fusion = instance->ctrl_context;
+
+ /* Re-fire management commands.
+ * Do not traverse complet MPT frame pool. Start from max_scsi_cmds.
+ */
+ for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) {
+ cmd_fusion = fusion->cmd_list[j];
+ cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
+ smid = le16_to_cpu(cmd_mfi->context.smid);
+
+ if (!smid)
+ continue;
+ req_desc = megasas_get_request_descriptor
+ (instance, smid - 1);
+ if (req_desc && ((cmd_mfi->frame->dcmd.opcode !=
+ cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) &&
+ (cmd_mfi->frame->dcmd.opcode !=
+ cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO))))
+ megasas_fire_cmd_fusion(instance, req_desc);
+ else
+ megasas_return_cmd(instance, cmd_mfi);
+ }
+}
+
+/* Check for a second path that is currently UP */
+int megasas_check_mpio_paths(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd)
+{
+ int i, j, retval = (DID_RESET << 16);
+
+ if (instance->mpio && instance->requestorId) {
+ for (i = 0 ; i < MAX_MGMT_ADAPTERS ; i++)
+ for (j = 0 ; j < MAX_LOGICAL_DRIVES; j++)
+ if (megasas_mgmt_info.instance[i] &&
+ (megasas_mgmt_info.instance[i] != instance) &&
+ megasas_mgmt_info.instance[i]->mpio &&
+ megasas_mgmt_info.instance[i]->requestorId
+ &&
+ (megasas_mgmt_info.instance[i]->ld_ids[j]
+ == scmd->device->id)) {
+ retval = (DID_NO_CONNECT << 16);
+ goto out;
+ }
+ }
+out:
+ return retval;
+}
+
+/* Core fusion reset function */
+int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
+{
+ int retval = SUCCESS, i, convert = 0;
+ struct megasas_instance *instance;
+ struct megasas_cmd_fusion *cmd_fusion;
+ struct fusion_context *fusion;
+ u32 abs_state, status_reg, reset_adapter;
+ u32 io_timeout_in_crash_mode = 0;
+ struct scsi_cmnd *scmd_local = NULL;
instance = (struct megasas_instance *)shost->hostdata;
fusion = instance->ctrl_context;
+ mutex_lock(&instance->reset_mutex);
+
if (instance->adprecovery == MEGASAS_HW_CRITICAL_ERROR) {
- printk(KERN_WARNING "megaraid_sas: Hardware critical error, "
- "returning FAILED.\n");
+ dev_warn(&instance->pdev->dev, "Hardware critical error, "
+ "returning FAILED for scsi%d.\n",
+ instance->host->host_no);
+ mutex_unlock(&instance->reset_mutex);
return FAILED;
}
+ status_reg = instance->instancet->read_fw_status_reg(instance->reg_set);
+ abs_state = status_reg & MFI_STATE_MASK;
- mutex_lock(&instance->reset_mutex);
+ /* IO timeout detected, forcibly put FW in FAULT state */
+ if (abs_state != MFI_STATE_FAULT && instance->crash_dump_buf &&
+ instance->crash_dump_app_support && iotimeout) {
+ dev_info(&instance->pdev->dev, "IO timeout is detected, "
+ "forcibly FAULT Firmware\n");
+ instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT;
+ status_reg = readl(&instance->reg_set->doorbell);
+ writel(status_reg | MFI_STATE_FORCE_OCR,
+ &instance->reg_set->doorbell);
+ readl(&instance->reg_set->doorbell);
+ mutex_unlock(&instance->reset_mutex);
+ do {
+ ssleep(3);
+ io_timeout_in_crash_mode++;
+ dev_dbg(&instance->pdev->dev, "waiting for [%d] "
+ "seconds for crash dump collection and OCR "
+ "to be done\n", (io_timeout_in_crash_mode * 3));
+ } while ((instance->adprecovery != MEGASAS_HBA_OPERATIONAL) &&
+ (io_timeout_in_crash_mode < 80));
+
+ if (instance->adprecovery == MEGASAS_HBA_OPERATIONAL) {
+ dev_info(&instance->pdev->dev, "OCR done for IO "
+ "timeout case\n");
+ retval = SUCCESS;
+ } else {
+ dev_info(&instance->pdev->dev, "Controller is not "
+ "operational after 240 seconds wait for IO "
+ "timeout case in FW crash dump mode\n do "
+ "OCR/kill adapter\n");
+ retval = megasas_reset_fusion(shost, 0);
+ }
+ return retval;
+ }
+
+ if (instance->requestorId && !instance->skip_heartbeat_timer_del)
+ del_timer_sync(&instance->sriov_heartbeat_timer);
set_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags);
- instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT;
- instance->instancet->disable_intr(instance->reg_set);
+ instance->adprecovery = MEGASAS_ADPRESET_SM_POLLING;
+ instance->instancet->disable_intr(instance);
msleep(1000);
/* First try waiting for commands to complete */
- if (megasas_wait_for_outstanding_fusion(instance)) {
- printk(KERN_WARNING "megaraid_sas: resetting fusion "
- "adapter.\n");
+ if (megasas_wait_for_outstanding_fusion(instance, iotimeout,
+ &convert)) {
+ instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT;
+ dev_warn(&instance->pdev->dev, "resetting fusion "
+ "adapter scsi%d.\n", instance->host->host_no);
+ if (convert)
+ iotimeout = 0;
+
/* Now return commands back to the OS */
- for (i = 0 ; i < instance->max_fw_cmds; i++) {
+ for (i = 0 ; i < instance->max_scsi_cmds; i++) {
cmd_fusion = fusion->cmd_list[i];
+ scmd_local = cmd_fusion->scmd;
if (cmd_fusion->scmd) {
- scsi_dma_unmap(cmd_fusion->scmd);
- cmd_fusion->scmd->result = (DID_RESET << 16);
- cmd_fusion->scmd->scsi_done(cmd_fusion->scmd);
+ scmd_local->result =
+ megasas_check_mpio_paths(instance,
+ scmd_local);
megasas_return_cmd_fusion(instance, cmd_fusion);
+ scsi_dma_unmap(scmd_local);
+ scmd_local->scsi_done(scmd_local);
atomic_dec(&instance->fw_outstanding);
}
}
@@ -2158,167 +2829,159 @@
if (instance->disableOnlineCtrlReset ||
(abs_state == MFI_STATE_FAULT && !reset_adapter)) {
/* Reset not supported, kill adapter */
- printk(KERN_WARNING "megaraid_sas: Reset not supported"
- ", killing adapter.\n");
+ dev_warn(&instance->pdev->dev, "Reset not supported"
+ ", killing adapter scsi%d.\n",
+ instance->host->host_no);
megaraid_sas_kill_hba(instance);
- instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
+ instance->skip_heartbeat_timer_del = 1;
retval = FAILED;
goto out;
}
- /* Now try to reset the chip */
- for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) {
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_1ST_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_2ND_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_3RD_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_4TH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_5TH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- 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);
- retry = 0;
- while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
- msleep(100);
- host_diag =
- readl(&instance->reg_set->fusion_host_diag);
- if (retry++ == 100) {
- printk(KERN_WARNING "megaraid_sas: "
- "Host diag unlock failed!\n");
- break;
+ /* Let SR-IOV VF & PF sync up if there was a HB failure */
+ if (instance->requestorId && !iotimeout) {
+ msleep(MEGASAS_OCR_SETTLE_TIME_VF);
+ /* Look for a late HB update after VF settle time */
+ if (abs_state == MFI_STATE_OPERATIONAL &&
+ (instance->hb_host_mem->HB.fwCounter !=
+ instance->hb_host_mem->HB.driverCounter)) {
+ instance->hb_host_mem->HB.driverCounter =
+ instance->hb_host_mem->HB.fwCounter;
+ dev_warn(&instance->pdev->dev, "SR-IOV:"
+ "Late FW heartbeat update for "
+ "scsi%d.\n",
+ instance->host->host_no);
+ } else {
+ /* In VF mode, first poll for FW ready */
+ for (i = 0;
+ i < (MEGASAS_RESET_WAIT_TIME * 1000);
+ i += 20) {
+ status_reg =
+ instance->instancet->
+ read_fw_status_reg(
+ instance->reg_set);
+ abs_state = status_reg &
+ MFI_STATE_MASK;
+ if (abs_state == MFI_STATE_READY) {
+ dev_warn(&instance->pdev->dev,
+ "SR-IOV: FW was found"
+ "to be in ready state "
+ "for scsi%d.\n",
+ instance->host->host_no);
+ break;
+ }
+ msleep(20);
}
- }
- if (!(host_diag & HOST_DIAG_WRITE_ENABLE))
- continue;
-
- /* Send chip reset command */
- writel(host_diag | HOST_DIAG_RESET_ADAPTER,
- &instance->reg_set->fusion_host_diag);
- msleep(3000);
-
- /* Make sure reset adapter bit is cleared */
- host_diag = readl(&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);
- if (retry++ == 1000) {
- printk(KERN_WARNING "megaraid_sas: "
- "Diag reset adapter never "
- "cleared!\n");
- break;
+ if (abs_state != MFI_STATE_READY) {
+ dev_warn(&instance->pdev->dev, "SR-IOV: "
+ "FW not in ready state after %d"
+ " seconds for scsi%d, status_reg = "
+ "0x%x.\n",
+ MEGASAS_RESET_WAIT_TIME,
+ instance->host->host_no,
+ status_reg);
+ megaraid_sas_kill_hba(instance);
+ instance->skip_heartbeat_timer_del = 1;
+ instance->adprecovery =
+ MEGASAS_HW_CRITICAL_ERROR;
+ retval = FAILED;
+ goto out;
}
}
- if (host_diag & HOST_DIAG_RESET_ADAPTER)
- continue;
+ }
- abs_state =
- instance->instancet->read_fw_status_reg(
- instance->reg_set) & 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;
- }
- if (abs_state <= MFI_STATE_FW_INIT) {
- printk(KERN_WARNING "megaraid_sas: firmware "
- "state < MFI_STATE_FW_INIT, state = "
- "0x%x\n", abs_state);
+ /* 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))
continue;
- }
/* Wait for FW to become ready */
if (megasas_transition_to_ready(instance, 1)) {
- printk(KERN_WARNING "megaraid_sas: Failed to "
- "transition controller to ready.\n");
+ dev_warn(&instance->pdev->dev, "Failed to "
+ "transition controller to ready "
+ "for scsi%d.\n",
+ instance->host->host_no);
continue;
}
megasas_reset_reply_desc(instance);
if (megasas_ioc_init_fusion(instance)) {
- printk(KERN_WARNING "megaraid_sas: "
- "megasas_ioc_init_fusion() failed!\n");
+ dev_warn(&instance->pdev->dev,
+ "megasas_ioc_init_fusion() failed!"
+ " for scsi%d\n",
+ instance->host->host_no);
continue;
}
- clear_bit(MEGASAS_FUSION_IN_RESET,
- &instance->reset_flags);
- instance->instancet->enable_intr(instance->reg_set);
- instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
+ megasas_refire_mgmt_cmd(instance);
- /* Re-fire management commands */
- for (j = 0 ; j < instance->max_fw_cmds; j++) {
- cmd_fusion = fusion->cmd_list[j];
- if (cmd_fusion->sync_cmd_idx !=
- (u32)ULONG_MAX) {
- cmd_mfi =
- instance->
- cmd_list[cmd_fusion->sync_cmd_idx];
- if (cmd_mfi->frame->dcmd.opcode ==
- MR_DCMD_LD_MAP_GET_INFO) {
- megasas_return_cmd(instance,
- cmd_mfi);
- megasas_return_cmd_fusion(
- instance, cmd_fusion);
- } else {
- req_desc =
- megasas_get_request_descriptor(
- instance,
- cmd_mfi->context.smid
- -1);
- if (!req_desc)
- printk(KERN_WARNING
- "req_desc NULL"
- "\n");
- else {
- instance->instancet->
- fire_cmd(instance,
- req_desc->
- u.low,
- req_desc->
- u.high,
- instance->
- reg_set);
- }
- }
- }
+ 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;
}
-
/* Reset load balance info */
memset(fusion->load_balance_info, 0,
sizeof(struct LD_LOAD_BALANCE_INFO)
- *MAX_LOGICAL_DRIVES);
+ *MAX_LOGICAL_DRIVES_EXT);
if (!megasas_get_map_info(instance))
megasas_sync_map_info(instance);
+ megasas_setup_jbod_map(instance);
+
+ clear_bit(MEGASAS_FUSION_IN_RESET,
+ &instance->reset_flags);
+ instance->instancet->enable_intr(instance);
+ instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
+
+ /* Restart SR-IOV heartbeat */
+ if (instance->requestorId) {
+ if (!megasas_sriov_start_heartbeat(instance, 0))
+ megasas_start_timer(instance,
+ &instance->sriov_heartbeat_timer,
+ megasas_sriov_heartbeat_handler,
+ MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF);
+ else
+ instance->skip_heartbeat_timer_del = 1;
+ }
+
/* Adapter reset completed successfully */
- printk(KERN_WARNING "megaraid_sas: Reset "
- "successful.\n");
+ dev_warn(&instance->pdev->dev, "Reset "
+ "successful for scsi%d.\n",
+ instance->host->host_no);
+
+ if (instance->crash_dump_drv_support &&
+ instance->crash_dump_app_support)
+ megasas_set_crash_dump_params(instance,
+ MR_CRASH_BUF_TURN_ON);
+ else
+ megasas_set_crash_dump_params(instance,
+ MR_CRASH_BUF_TURN_OFF);
+
retval = SUCCESS;
goto out;
}
/* Reset failed, kill the adapter */
- printk(KERN_WARNING "megaraid_sas: Reset failed, killing "
- "adapter.\n");
+ 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;
} else {
+ /* For VF: Restart HB timer if we didn't OCR */
+ if (instance->requestorId) {
+ megasas_start_timer(instance,
+ &instance->sriov_heartbeat_timer,
+ megasas_sriov_heartbeat_handler,
+ MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF);
+ }
clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags);
- instance->instancet->enable_intr(instance->reg_set);
+ instance->instancet->enable_intr(instance);
instance->adprecovery = MEGASAS_HBA_OPERATIONAL;
}
out:
@@ -2327,17 +2990,84 @@
return retval;
}
+/* Fusion Crash dump collection work queue */
+void megasas_fusion_crash_dump_wq(struct work_struct *work)
+{
+ struct megasas_instance *instance =
+ container_of(work, struct megasas_instance, crash_init);
+ u32 status_reg;
+ u8 partial_copy = 0;
+
+
+ status_reg = instance->instancet->read_fw_status_reg(instance->reg_set);
+
+ /*
+ * Allocate host crash buffers to copy data from 1 MB DMA crash buffer
+ * to host crash buffers
+ */
+ if (instance->drv_buf_index == 0) {
+ /* Buffer is already allocated for old Crash dump.
+ * Do OCR and do not wait for crash dump collection
+ */
+ if (instance->drv_buf_alloc) {
+ dev_info(&instance->pdev->dev, "earlier crash dump is "
+ "not yet copied by application, ignoring this "
+ "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);
+ return;
+ }
+ megasas_alloc_host_crash_buffer(instance);
+ dev_info(&instance->pdev->dev, "Number of host crash buffers "
+ "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;
+ }
+
+ if (status_reg & MFI_STATE_CRASH_DUMP_DONE) {
+ dev_info(&instance->pdev->dev, "Crash Dump is available,number "
+ "of copied buffers: %d\n", instance->drv_buf_index);
+ 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);
+ 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);
+ }
+}
+
+
/* Fusion OCR work queue */
void megasas_fusion_ocr_wq(struct work_struct *work)
{
struct megasas_instance *instance =
container_of(work, struct megasas_instance, work_init);
- megasas_reset_fusion(instance->host);
+ megasas_reset_fusion(instance->host, 0);
}
struct megasas_instance_template megasas_instance_template_fusion = {
- .fire_cmd = megasas_fire_cmd_fusion,
.enable_intr = megasas_enable_intr_fusion,
.disable_intr = megasas_disable_intr_fusion,
.clear_intr = megasas_clear_intr_fusion,