#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_dbg.h>
+#include <linux/dmi.h>
#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);
* 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->mpt_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->mpt_pool_lock, flags);
- return cmd;
+ fusion = instance->ctrl_context;
+ return fusion->cmd_list[blk_tag];
}
/**
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;
-
- spin_lock_irqsave(&fusion->mpt_pool_lock, flags);
-
cmd->scmd = NULL;
- cmd->sync_cmd_idx = (u32)ULONG_MAX;
memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
- list_add(&cmd->list, (&fusion->cmd_pool)->next);
-
- spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags);
}
/**
- * megasas_return_mfi_mpt_pthr - Return a mfi and mpt to free command pool
- * @instance: Adapter soft state
- * @cmd_mfi: MFI Command packet to be returned to free command pool
- * @cmd_mpt: MPT Command packet to be returned to free command pool
+ * megasas_fire_cmd_fusion - Sends command to the FW
*/
-inline void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
- struct megasas_cmd *cmd_mfi,
- struct megasas_cmd_fusion *cmd_fusion)
+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));
+
+ writeq(req_data, &instance->reg_set->inbound_low_queue_port);
+#else
unsigned long flags;
- /*
- * TO DO: optimize this code and use only one lock instead of two
- * locks being used currently- mpt_pool_lock is acquired
- * inside mfi_pool_lock
- */
- spin_lock_irqsave(&instance->mfi_pool_lock, flags);
- megasas_return_cmd_fusion(instance, cmd_fusion);
- if (atomic_read(&cmd_mfi->mfi_mpt_pthr) != MFI_MPT_ATTACHED)
- dev_err(&instance->pdev->dev, "Possible bug from %s %d\n",
- __func__, __LINE__);
- atomic_set(&cmd_mfi->mfi_mpt_pthr, MFI_MPT_DETACHED);
- __megasas_return_cmd(instance, cmd_mfi);
- spin_unlock_irqrestore(&instance->mfi_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);
+ spin_unlock_irqrestore(&instance->hba_lock, flags);
+#endif
}
+
/**
* megasas_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool
* @instance: Adapter soft state
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;
kfree(fusion->cmd_list);
fusion->cmd_list = NULL;
- INIT_LIST_HEAD(&fusion->cmd_pool);
}
/**
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;
* 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;
}
&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;
}
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;
}
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;
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;
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;
}
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;
* 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;
}
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]);
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 *)
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;
}
msleep(20);
}
- if (frame_hdr->cmd_status == 0xff) {
- if (fusion)
- megasas_return_mfi_mpt_pthr(instance, cmd,
- cmd->mpt_pthr_cmd_blocked);
+ if (frame_hdr->cmd_status == 0xff)
return -ETIME;
- }
- return 0;
+ return (frame_hdr->cmd_status == MFI_STAT_OK) ?
+ 0 : 1;
}
/**
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;
}
&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;
frame_hdr = &cmd->frame->hdr;
frame_hdr->cmd_status = 0xFF;
- frame_hdr->flags |= cpu_to_le16(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;
+ drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations);
+
/* driver support Extended MSIX */
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
- init_frame->driver_operations.
- mfi_capabilities.support_additional_msix = 1;
+ if (fusion->adapter_type == INVADER_SERIES)
+ drv_ops->mfi_capabilities.support_additional_msix = 1;
/* driver supports HA / Remote LUN over Fast Path interface */
- init_frame->driver_operations.mfi_capabilities.support_fp_remote_lun
- = 1;
- init_frame->driver_operations.mfi_capabilities.support_max_255lds
- = 1;
- init_frame->driver_operations.mfi_capabilities.support_ndrive_r1_lb
- = 1;
- init_frame->driver_operations.mfi_capabilities.security_protocol_cmds_fw
- = 1;
+ 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 =
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, MFI_POLL_TIMEOUT_SECS);
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;
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
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;
}
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;
}
else
ret = megasas_issue_polled(instance, cmd);
- if (instance->ctrl_context && cmd->mpt_pthr_cmd_blocked)
- megasas_return_mfi_mpt_pthr(instance, cmd,
- cmd->mpt_pthr_cmd_blocked);
- else
- megasas_return_cmd(instance, cmd);
+ megasas_return_cmd(instance, cmd);
return ret;
}
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;
}
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;
}
{
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;
(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 = rounddown_pow_of_two(
- 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 =
for (i = 0 ; i < count; i++)
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
&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;
}
return 1;
}
-/**
- * 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)
-{
-#if defined(writeq) && defined(CONFIG_64BIT)
- u64 req_data = (((u64)le32_to_cpu(req_desc_hi) << 32) |
- le32_to_cpu(req_desc_lo));
-
- writeq(req_data, &(regs)->inbound_low_queue_port);
-#else
- unsigned long flags;
-
- spin_lock_irqsave(&instance->hba_lock, flags);
-
- writel(le32_to_cpu(req_desc_lo), &(regs)->inbound_low_queue_port);
- writel(le32_to_cpu(req_desc_hi), &(regs)->inbound_high_queue_port);
- spin_unlock_irqrestore(&instance->hba_lock, flags);
-#endif
-}
-
/**
* map_cmd_status - Maps FW cmd status to OS cmd status
* @cmd : Pointer to cmd
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;
}
fusion = instance->ctrl_context;
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ 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;
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) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ 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;
(sge_count > fusion->max_sge_in_main_msg)) {
struct MPI25_IEEE_SGE_CHAIN64 *sg_chain;
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY)) {
+ 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)
sg_chain = sgl_ptr;
/* Prepare chain element */
sg_chain->NextChainOffset = 0;
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
else
sg_chain->Flags =
sgl_ptr =
(struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame;
- memset(sgl_ptr, 0, MEGASAS_MAX_SZ_CHAIN_FRAME);
+ memset(sgl_ptr, 0, instance->max_chain_frame_sz);
}
}
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;
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) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
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 */
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) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
}
/**
- * 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;
- u16 os_timeout_value;
- u16 timeout_limit;
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
struct fusion_context *fusion = instance->ctrl_context;
u8 span, physArm;
- u16 devHandle;
+ __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;
+ 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 (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
- instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
- if (fusion->fast_path_io)
- io_request->DevHandle =
- local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
- io_request->RaidContext.RAIDFlags =
- MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
- << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
- cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
- cmd->request_desc->SCSIIO.MSIxIndex =
- instance->msix_vectors ?
- raw_smp_processor_id() %
- instance->msix_vectors :
- 0;
- os_timeout_value = scmd->request->timeout / HZ;
-
- if (instance->secure_jbod_support &&
- (megasas_cmd_type(scmd) == NON_READ_WRITE_SYSPDIO)) {
- /* system pd firmware path */
- io_request->Function =
- MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- cmd->request_desc->SCSIIO.RequestFlags =
- (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- io_request->RaidContext.timeoutValue =
- cpu_to_le16(os_timeout_value);
- } else {
- /* system pd Fast Path */
- io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- io_request->RaidContext.regLockFlags = 0;
- io_request->RaidContext.regLockRowLBA = 0;
- io_request->RaidContext.regLockLength = 0;
- timeout_limit = (scmd->device->type == TYPE_DISK) ?
- 255 : 0xFFFF;
- io_request->RaidContext.timeoutValue =
- cpu_to_le16((os_timeout_value > timeout_limit) ?
- timeout_limit : os_timeout_value);
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
- 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);
- }
- } else {
- if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS)
- goto NonFastPath;
-
- /*
- * For older firmware, Driver should not access ldTgtIdToLd
- * beyond index 127 and for Extended VD firmware, ldTgtIdToLd
- * should not go beyond 255.
- */
-
- if ((!fusion->fast_path_io) ||
- (device_id >= instance->fw_supported_vd_count))
- goto NonFastPath;
+ 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)
- goto NonFastPath;
+ fp_possible = 0;
raid = MR_LdRaidGet(ld, local_map_ptr);
-
- /* check if this LD is FP capable */
if (!(raid->capability.fpNonRWCapable))
- /* not FP capable, send as non-FP */
- goto NonFastPath;
+ fp_possible = 0;
+ } else
+ fp_possible = 0;
- /* get RAID_Context pointer */
- pRAID_Context = &io_request->RaidContext;
+ 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->regLockFlags = REGION_TYPE_SHARED_READ;
- pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
- pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
- pRAID_Context->regLockRowLBA = 0;
- pRAID_Context->regLockLength = 0;
- pRAID_Context->configSeqNum = raid->seqNum;
+ 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) */
/* build request descriptor */
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.DevHandle = devHandle;
/* populate the LUN field */
/* build the raidScsiIO structure */
io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
io_request->DevHandle = devHandle;
+ }
+}
- return;
+/**
+ * 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;
-NonFastPath:
+ 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);
+ } 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 = cpu_to_le16(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) {
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
+ 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 = cpu_to_le16(device_id);
- int_to_scsilun(scmd->device->lun, (struct scsi_lun *)io_request->LUN);
}
/**
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 */
memset(io_request->LUN, 0x0, 8);
io_request->CDB.EEDP32.PrimaryReferenceTag = 0;
*/
io_request->IoFlags = cpu_to_le16(scp->cmd_len);
- if (megasas_cmd_type(scp) == READ_WRITE_LDIO)
+ 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
&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 = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
struct fusion_context *fusion;
if (index >= instance->max_fw_cmds) {
- printk(KERN_ERR "megasas: Invalid SMID (0x%x)request for "
+ 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;
- 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;
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;
}
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);
/*
*/
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;
}
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;
num_completed = 0;
- while ((d_val.u.low != UINT_MAX) && (d_val.u.high != UINT_MAX)) {
+ 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];
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) {
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];
- if (!cmd_mfi->mpt_pthr_cmd_blocked) {
- if (megasas_dbg_lvl == 5)
- dev_info(&instance->pdev->dev,
- "freeing mfi/mpt pass-through "
- "from %s %d\n",
- __func__, __LINE__);
- megasas_return_mfi_mpt_pthr(instance, cmd_mfi,
- cmd_fusion);
- }
-
- megasas_complete_cmd(instance, cmd_mfi, DID_OK);
- cmd_fusion->flags = 0;
+ /* 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;
}
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++;
* pending to be completed
*/
if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) {
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
writel(((MSIxIndex & 0x7) << 24) |
fusion->last_reply_idx[MSIxIndex],
instance->reply_post_host_index_addr[MSIxIndex/8]);
return IRQ_NONE;
wmb();
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
writel(((MSIxIndex & 0x7) << 24) |
fusion->last_reply_idx[MSIxIndex],
instance->reply_post_host_index_addr[MSIxIndex/8]);
else if (fw_state == MFI_STATE_FAULT)
schedule_work(&instance->work_init);
} else if (fw_state == MFI_STATE_FAULT) {
- printk(KERN_WARNING "megaraid_sas: Iop2SysDoorbellInt"
+ dev_warn(&instance->pdev->dev, "Iop2SysDoorbellInt"
"for scsi%d\n", instance->host->host_no);
schedule_work(&instance->work_init);
}
struct megasas_cmd_fusion *cmd;
struct fusion_context *fusion;
struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr;
- u32 opcode;
- 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;
-
- /* Set this only for Blocked commands */
- opcode = le32_to_cpu(mfi_cmd->frame->dcmd.opcode);
- if ((opcode == MR_DCMD_LD_MAP_GET_INFO)
- && (mfi_cmd->frame->dcmd.mbox.b[1] == 1))
- mfi_cmd->is_wait_event = 1;
-
- if (opcode == MR_DCMD_CTRL_EVENT_WAIT)
- mfi_cmd->is_wait_event = 1;
-
- if (mfi_cmd->is_wait_event)
- mfi_cmd->mpt_pthr_cmd_blocked = cmd;
/*
* For cmds where the flag is set, store the flag and check
*/
if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE))
- cmd->flags = 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) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ 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;
mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
- mpi25_ieee_chain->Length = cpu_to_le32(MEGASAS_MAX_SZ_CHAIN_FRAME);
+ mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz);
return 0;
}
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;
}
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;
}
- atomic_set(&cmd->mfi_mpt_pthr, MFI_MPT_ATTACHED);
- 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)
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;
}
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,"
+ dev_warn(&instance->pdev->dev, "Found FW in FAULT state,"
" will reset adapter scsi%d.\n",
instance->host->host_no);
retval = 1;
hb_seconds_missed++;
if (hb_seconds_missed ==
(MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF/HZ)) {
- printk(KERN_WARNING "megasas: SR-IOV:"
+ dev_warn(&instance->pdev->dev, "SR-IOV:"
" Heartbeat never completed "
" while polling during I/O "
" timeout handling for "
goto out;
if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) {
- printk(KERN_NOTICE "megasas: [%2d]waiting for %d "
+ 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(
}
if (atomic_read(&instance->fw_outstanding)) {
- printk("megaraid_sas: pending commands remain after waiting, "
+ dev_err(&instance->pdev->dev, "pending commands remain after waiting, "
"will reset adapter scsi%d.\n",
instance->host->host_no);
retval = 1;
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);
+}
+
+/*
+ * megasas_refire_mgmt_cmd : Re-fire management commands
+ * @instance: Controller's soft instance
+*/
+void megasas_refire_mgmt_cmd(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;
+ 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 */
/* Core fusion reset function */
int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
{
- int retval = SUCCESS, i, j, retry = 0, convert = 0;
+ int retval = SUCCESS, i, convert = 0;
struct megasas_instance *instance;
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;
+ 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, "
+ dev_warn(&instance->pdev->dev, "Hardware critical error, "
"returning FAILED for scsi%d.\n",
instance->host->host_no);
mutex_unlock(&instance->reset_mutex);
if (megasas_wait_for_outstanding_fusion(instance, iotimeout,
&convert)) {
instance->adprecovery = MEGASAS_ADPRESET_SM_INFAULT;
- printk(KERN_WARNING "megaraid_sas: resetting fusion "
+ 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 =
+ scmd_local->result =
megasas_check_mpio_paths(instance,
- cmd_fusion->scmd);
- cmd_fusion->scmd->scsi_done(cmd_fusion->scmd);
+ 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);
}
}
if (instance->disableOnlineCtrlReset ||
(abs_state == MFI_STATE_FAULT && !reset_adapter)) {
/* Reset not supported, kill adapter */
- printk(KERN_WARNING "megaraid_sas: Reset not supported"
+ dev_warn(&instance->pdev->dev, "Reset not supported"
", killing adapter scsi%d.\n",
instance->host->host_no);
megaraid_sas_kill_hba(instance);
instance->hb_host_mem->HB.driverCounter)) {
instance->hb_host_mem->HB.driverCounter =
instance->hb_host_mem->HB.fwCounter;
- printk(KERN_WARNING "megasas: SR-IOV:"
+ dev_warn(&instance->pdev->dev, "SR-IOV:"
"Late FW heartbeat update for "
"scsi%d.\n",
instance->host->host_no);
abs_state = status_reg &
MFI_STATE_MASK;
if (abs_state == MFI_STATE_READY) {
- printk(KERN_WARNING "megasas"
- ": SR-IOV: FW was found"
+ dev_warn(&instance->pdev->dev,
+ "SR-IOV: FW was found"
"to be in ready state "
"for scsi%d.\n",
instance->host->host_no);
msleep(20);
}
if (abs_state != MFI_STATE_READY) {
- printk(KERN_WARNING "megasas: SR-IOV: "
+ dev_warn(&instance->pdev->dev, "SR-IOV: "
"FW not in ready state after %d"
" seconds for scsi%d, status_reg = "
"0x%x.\n",
/* 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! "
- "for scsi%d\n",
- instance->host->host_no);
- break;
- }
- }
- 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 for scsi%d!\n",
- instance->host->host_no);
- break;
- }
- }
- if (host_diag & HOST_DIAG_RESET_ADAPTER)
+ if (instance->instancet->adp_reset
+ (instance, instance->reg_set))
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 for scsi%d\n", abs_state,
- instance->host->host_no);
- continue;
- }
-
/* Wait for FW to become ready */
if (megasas_transition_to_ready(instance, 1)) {
- printk(KERN_WARNING "megaraid_sas: Failed to "
+ dev_warn(&instance->pdev->dev, "Failed to "
"transition controller to ready "
"for scsi%d.\n",
instance->host->host_no);
megasas_reset_reply_desc(instance);
if (megasas_ioc_init_fusion(instance)) {
- printk(KERN_WARNING "megaraid_sas: "
+ dev_warn(&instance->pdev->dev,
"megasas_ioc_init_fusion() failed!"
" for scsi%d\n",
instance->host->host_no);
continue;
}
- /* 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 ==
- cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) {
- megasas_return_mfi_mpt_pthr(instance, cmd_mfi, cmd_fusion);
- } else {
- req_desc =
- megasas_get_request_descriptor(
- instance,
- cmd_mfi->context.smid
- -1);
- if (!req_desc) {
- printk(KERN_WARNING
- "req_desc NULL"
- " for scsi%d\n",
- instance->host->host_no);
- /* Return leaked MPT
- frame */
- megasas_return_cmd_fusion(instance, cmd_fusion);
- } else {
- instance->instancet->
- fire_cmd(instance,
- req_desc->
- u.low,
- req_desc->
- u.high,
- instance->
- reg_set);
- }
- }
- }
- }
+ megasas_refire_mgmt_cmd(instance);
if (megasas_get_ctrl_info(instance)) {
dev_info(&instance->pdev->dev,
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);
}
/* Adapter reset completed successfully */
- printk(KERN_WARNING "megaraid_sas: Reset "
+ dev_warn(&instance->pdev->dev, "Reset "
"successful for scsi%d.\n",
instance->host->host_no);
goto out;
}
/* Reset failed, kill the adapter */
- printk(KERN_WARNING "megaraid_sas: Reset failed, killing "
+ 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;
}
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,
Code Review / kvmfornfv.git / blobdiff