[PATCH 3/13] scsi: arcmsr: add codes for ACB_ADAPTER_TYPE_E to support new adapter ARC-1884
From: Ching Huang
Date: Thu Nov 09 2017 - 02:53:00 EST
From: Ching Huang <ching2048@xxxxxxxxxxxx>
add codes for ACB_ADAPTER_TYPE_E to support new adapter ARC-1884
Signed-off-by: Ching Huang <ching2048@xxxxxxxxxxxx>
---
diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h 2017-08-03 18:54:46.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h 2017-08-04 11:19:22.000000000 +0800
@@ -65,6 +65,7 @@ struct device_attribute;
#define ARCMSR_MAX_HBB_POSTQUEUE 264
#define ARCMSR_MAX_ARC1214_POSTQUEUE 256
#define ARCMSR_MAX_ARC1214_DONEQUEUE 257
+#define ARCMSR_MAX_HBE_DONEQUEUE 512
#define ARCMSR_MAX_XFER_LEN 0x26000 /* 152K */
#define ARCMSR_CDB_SG_PAGE_LENGTH 256
#define ARCMST_NUM_MSIX_VECTORS 4
@@ -77,6 +78,9 @@ struct device_attribute;
#ifndef PCI_DEVICE_ID_ARECA_1203
#define PCI_DEVICE_ID_ARECA_1203 0x1203
#endif
+#ifndef PCI_DEVICE_ID_ARECA_1884
+ #define PCI_DEVICE_ID_ARECA_1884 0x1884
+#endif
/*
**********************************************************************************
**
@@ -405,6 +409,31 @@ struct FIRMWARE_INFO
/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK 0x80000000
#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR 0x00000001
+/*
+*******************************************************************************
+** SPEC. for Areca Type E adapter
+*******************************************************************************
+*/
+#define ARCMSR_SIGNATURE_1884 0x188417D3
+
+#define ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK 0x00000002
+#define ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK 0x00000004
+#define ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE 0x00000008
+
+#define ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK 0x00000002
+#define ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK 0x00000004
+#define ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE 0x00000008
+
+#define ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK 0x80000000
+
+#define ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR 0x00000001
+#define ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR 0x00000008
+#define ARCMSR_HBEMU_ALL_INTMASKENABLE 0x00000009
+
+/* ARC-1884 doorbell sync */
+#define ARCMSR_HBEMU_DOORBELL_SYNC 0x100
+#define ARCMSR_ARC188X_RESET_ADAPTER 0x00000004
+#define ARCMSR_ARC1884_DiagWrite_ENABLE 0x00000080
/*
*******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
@@ -614,6 +643,88 @@ struct MessageUnit_D {
u32 __iomem *msgcode_rwbuffer; /* 0x2200 */
};
/*
+*********************************************************************
+** Messaging Unit (MU) of Type E processor(LSI)
+*********************************************************************
+*/
+struct MessageUnit_E{
+ uint32_t iobound_doorbell; /*0000 0003*/
+ uint32_t write_sequence_3xxx; /*0004 0007*/
+ uint32_t host_diagnostic_3xxx; /*0008 000B*/
+ uint32_t posted_outbound_doorbell; /*000C 000F*/
+ uint32_t master_error_attribute; /*0010 0013*/
+ uint32_t master_error_address_low; /*0014 0017*/
+ uint32_t master_error_address_high; /*0018 001B*/
+ uint32_t hcb_size; /*001C 001F*/
+ uint32_t inbound_doorbell; /*0020 0023*/
+ uint32_t diagnostic_rw_data; /*0024 0027*/
+ uint32_t diagnostic_rw_address_low; /*0028 002B*/
+ uint32_t diagnostic_rw_address_high; /*002C 002F*/
+ uint32_t host_int_status; /*0030 0033*/
+ uint32_t host_int_mask; /*0034 0037*/
+ uint32_t dcr_data; /*0038 003B*/
+ uint32_t dcr_address; /*003C 003F*/
+ uint32_t inbound_queueport; /*0040 0043*/
+ uint32_t outbound_queueport; /*0044 0047*/
+ uint32_t hcb_pci_address_low; /*0048 004B*/
+ uint32_t hcb_pci_address_high; /*004C 004F*/
+ uint32_t iop_int_status; /*0050 0053*/
+ uint32_t iop_int_mask; /*0054 0057*/
+ uint32_t iop_inbound_queue_port; /*0058 005B*/
+ uint32_t iop_outbound_queue_port; /*005C 005F*/
+ uint32_t inbound_free_list_index; /*0060 0063*/
+ uint32_t inbound_post_list_index; /*0064 0067*/
+ uint32_t reply_post_producer_index; /*0068 006B*/
+ uint32_t reply_post_consumer_index; /*006C 006F*/
+ uint32_t inbound_doorbell_clear; /*0070 0073*/
+ uint32_t i2o_message_unit_control; /*0074 0077*/
+ uint32_t last_used_message_source_address_low; /*0078 007B*/
+ uint32_t last_used_message_source_address_high; /*007C 007F*/
+ uint32_t pull_mode_data_byte_count[4]; /*0080 008F*/
+ uint32_t message_dest_address_index; /*0090 0093*/
+ uint32_t done_queue_not_empty_int_counter_timer; /*0094 0097*/
+ uint32_t utility_A_int_counter_timer; /*0098 009B*/
+ uint32_t outbound_doorbell; /*009C 009F*/
+ uint32_t outbound_doorbell_clear; /*00A0 00A3*/
+ uint32_t message_source_address_index; /*00A4 00A7*/
+ uint32_t message_done_queue_index; /*00A8 00AB*/
+ uint32_t reserved0; /*00AC 00AF*/
+ uint32_t inbound_msgaddr0; /*00B0 00B3*/
+ uint32_t inbound_msgaddr1; /*00B4 00B7*/
+ uint32_t outbound_msgaddr0; /*00B8 00BB*/
+ uint32_t outbound_msgaddr1; /*00BC 00BF*/
+ uint32_t inbound_queueport_low; /*00C0 00C3*/
+ uint32_t inbound_queueport_high; /*00C4 00C7*/
+ uint32_t outbound_queueport_low; /*00C8 00CB*/
+ uint32_t outbound_queueport_high; /*00CC 00CF*/
+ uint32_t iop_inbound_queue_port_low; /*00D0 00D3*/
+ uint32_t iop_inbound_queue_port_high; /*00D4 00D7*/
+ uint32_t iop_outbound_queue_port_low; /*00D8 00DB*/
+ uint32_t iop_outbound_queue_port_high; /*00DC 00DF*/
+ uint32_t message_dest_queue_port_low; /*00E0 00E3*/
+ uint32_t message_dest_queue_port_high; /*00E4 00E7*/
+ uint32_t last_used_message_dest_address_low; /*00E8 00EB*/
+ uint32_t last_used_message_dest_address_high; /*00EC 00EF*/
+ uint32_t message_done_queue_base_address_low; /*00F0 00F3*/
+ uint32_t message_done_queue_base_address_high; /*00F4 00F7*/
+ uint32_t host_diagnostic; /*00F8 00FB*/
+ uint32_t write_sequence; /*00FC 00FF*/
+ uint32_t reserved1[34]; /*0100 0187*/
+ uint32_t reserved2[1950]; /*0188 1FFF*/
+ uint32_t message_wbuffer[32]; /*2000 207F*/
+ uint32_t reserved3[32]; /*2080 20FF*/
+ uint32_t message_rbuffer[32]; /*2100 217F*/
+ uint32_t reserved4[32]; /*2180 21FF*/
+ uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/
+};
+
+typedef struct deliver_completeQ {
+ uint16_t cmdFlag;
+ uint16_t cmdSMID;
+ uint16_t cmdLMID; // reserved (0)
+ uint16_t cmdFlag2; // reserved (0)
+} DeliverQ, CompletionQ, *pDeliver_Q, *pCompletion_Q;
+/*
*******************************************************************************
** Adapter Control Block
*******************************************************************************
@@ -625,6 +736,7 @@ struct AdapterControlBlock
#define ACB_ADAPTER_TYPE_B 0x00000001 /* hbb M IOP */
#define ACB_ADAPTER_TYPE_C 0x00000002 /* hbc L IOP */
#define ACB_ADAPTER_TYPE_D 0x00000003 /* hbd M IOP */
+ #define ACB_ADAPTER_TYPE_E 0x00000004 /* hba L IOP */
u32 roundup_ccbsize;
struct pci_dev * pdev;
struct Scsi_Host * host;
@@ -644,6 +756,7 @@ struct AdapterControlBlock
struct MessageUnit_B *pmuB;
struct MessageUnit_C __iomem *pmuC;
struct MessageUnit_D *pmuD;
+ struct MessageUnit_E __iomem *pmuE;
};
/* message unit ATU inbound base address0 */
void __iomem *mem_base0;
@@ -723,6 +836,12 @@ struct AdapterControlBlock
atomic_t ante_token_value;
uint32_t maxOutstanding;
int vector_count;
+ uint32_t doneq_index;
+ uint32_t ccbsize;
+ uint32_t in_doorbell;
+ uint32_t out_doorbell;
+ uint32_t completionQ_entry;
+ pCompletion_Q pCompletionQ;
};/* HW_DEVICE_EXTENSION */
/*
*******************************************************************************
@@ -748,12 +867,13 @@ struct CommandControlBlock{
#define ARCMSR_CCB_START 0x55AA
#define ARCMSR_CCB_ABORTED 0xAA55
#define ARCMSR_CCB_ILLEGAL 0xFFFF
+ uint32_t smid;
#if BITS_PER_LONG == 64
/* ======================512+64 bytes======================== */
- uint32_t reserved[5]; /*24 byte*/
+ uint32_t reserved[4]; /*16 byte*/
#else
/* ======================512+32 bytes======================== */
- uint32_t reserved; /*8 byte*/
+ // uint32_t reserved; /*4 byte*/
#endif
/* ======================================================= */
struct ARCMSR_CDB arcmsr_cdb;
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2017-11-08 18:46:40.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2017-11-08 18:48:46.000000000 +0800
@@ -110,6 +110,8 @@ static bool arcmsr_get_firmware_spec(str
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB);
static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb);
+static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb);
+static void arcmsr_hbaE_postqueue_isr(struct AdapterControlBlock *acb);
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
@@ -184,6 +186,8 @@ static struct pci_device_id arcmsr_devic
.driver_data = ACB_ADAPTER_TYPE_A},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880),
.driver_data = ACB_ADAPTER_TYPE_C},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1884),
+ .driver_data = ACB_ADAPTER_TYPE_E},
{0, 0}, /* Terminating entry */
};
MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
@@ -206,7 +210,8 @@ static void arcmsr_free_mu(struct Adapte
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_B:
- case ACB_ADAPTER_TYPE_D: {
+ case ACB_ADAPTER_TYPE_D:
+ case ACB_ADAPTER_TYPE_E: {
dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
acb->dma_coherent2, acb->dma_coherent_handle2);
break;
@@ -271,6 +276,20 @@ static bool arcmsr_remap_pciregion(struc
acb->mem_base0 = mem_base0;
break;
}
+ case ACB_ADAPTER_TYPE_E: {
+ acb->pmuE = ioremap(pci_resource_start(pdev, 1),
+ pci_resource_len(pdev, 1));
+ if (!acb->pmuE) {
+ pr_notice("arcmsr%d: memory mapping region fail \n",
+ acb->host->host_no);
+ return false;
+ }
+ writel(0, &acb->pmuE->host_int_status); /*clear interrupt*/
+ writel(ARCMSR_HBEMU_DOORBELL_SYNC, &acb->pmuE->iobound_doorbell); /* synchronize doorbell to 0 */
+ acb->in_doorbell = 0;
+ acb->out_doorbell = 0;
+ break;
+ }
}
return true;
}
@@ -295,6 +314,9 @@ static void arcmsr_unmap_pciregion(struc
case ACB_ADAPTER_TYPE_D:
iounmap(acb->mem_base0);
break;
+ case ACB_ADAPTER_TYPE_E:
+ iounmap(acb->pmuE);
+ break;
}
}
@@ -408,6 +430,24 @@ static bool arcmsr_hbaD_wait_msgint_read
return false;
}
+static bool arcmsr_hbaE_wait_msgint_ready(struct AdapterControlBlock *pACB)
+{
+ int i;
+ uint32_t read_doorbell;
+ struct MessageUnit_E __iomem *phbcmu = pACB->pmuE;
+
+ for (i = 0; i < 2000; i++) {
+ read_doorbell = readl(&phbcmu->iobound_doorbell);
+ if ((read_doorbell ^ pACB->in_doorbell) & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(0, &phbcmu->host_int_status); /*clear interrupt*/
+ pACB->in_doorbell = read_doorbell;
+ return true;
+ }
+ msleep(10);
+ } /* max 20 seconds */
+ return false;
+}
+
static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
@@ -475,6 +515,24 @@ static void arcmsr_hbaD_flush_cache(stru
} while (retry_count != 0);
}
+static void arcmsr_hbaE_flush_cache(struct AdapterControlBlock *pACB)
+{
+ int retry_count = 30;
+ struct MessageUnit_E __iomem *reg = pACB->pmuE;
+
+ writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
+ pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(pACB->out_doorbell, ®->iobound_doorbell);
+ do {
+ if (arcmsr_hbaE_wait_msgint_ready(pACB))
+ break;
+ retry_count--;
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ pACB->host->host_no, retry_count);
+ } while (retry_count != 0);
+}
+
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -495,6 +553,9 @@ static void arcmsr_flush_adapter_cache(s
case ACB_ADAPTER_TYPE_D:
arcmsr_hbaD_flush_cache(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ arcmsr_hbaE_flush_cache(acb);
+ break;
}
}
@@ -577,6 +638,23 @@ static bool arcmsr_alloc_io_queue(struct
reg->msgcode_rwbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RWBUFFER);
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ uint32_t completeQ_size;
+ completeQ_size = sizeof(struct deliver_completeQ) * ARCMSR_MAX_HBE_DONEQUEUE + 128;
+ acb->roundup_ccbsize = roundup(completeQ_size, 32);
+ dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->roundup_ccbsize,
+ &dma_coherent_handle, GFP_KERNEL);
+ if (!dma_coherent){
+ pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);
+ return false;
+ }
+ acb->dma_coherent_handle2 = dma_coherent_handle;
+ acb->dma_coherent2 = dma_coherent;
+ acb->pCompletionQ = dma_coherent;
+ acb->completionQ_entry = acb->roundup_ccbsize / sizeof(struct deliver_completeQ);
+ acb->doneq_index = 0;
+ }
+ break;
default:
break;
}
@@ -619,6 +697,7 @@ static int arcmsr_alloc_ccb_pool(struct
acb->dma_coherent = dma_coherent;
acb->dma_coherent_handle = dma_coherent_handle;
memset(dma_coherent, 0, acb->uncache_size);
+ acb->ccbsize = roundup_ccbsize;
ccb_tmp = dma_coherent;
acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
@@ -630,11 +709,13 @@ static int arcmsr_alloc_ccb_pool(struct
break;
case ACB_ADAPTER_TYPE_C:
case ACB_ADAPTER_TYPE_D:
+ case ACB_ADAPTER_TYPE_E:
ccb_tmp->cdb_phyaddr = cdb_phyaddr;
break;
}
acb->pccb_pool[i] = ccb_tmp;
ccb_tmp->acb = acb;
+ ccb_tmp->smid = (u32)i << 16;
INIT_LIST_HEAD(&ccb_tmp->list);
list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
@@ -683,6 +764,13 @@ static void arcmsr_message_isr_bh_fn(str
devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
break;
}
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+
+ signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
+ devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
+ break;
+ }
}
atomic_inc(&acb->rq_map_token);
if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG)
@@ -1002,6 +1090,21 @@ static uint8_t arcmsr_hbaD_abort_allcmd(
return true;
}
+static uint8_t arcmsr_hbaE_abort_allcmd(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_E __iomem *reg = pACB->pmuE;
+
+ writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
+ pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(pACB->out_doorbell, ®->iobound_doorbell);
+ if (!arcmsr_hbaE_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'abort all outstanding "
+ "command' timeout\n", pACB->host->host_no);
+ return false;
+ }
+ return true;
+}
+
static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{
uint8_t rtnval = 0;
@@ -1024,6 +1127,9 @@ static uint8_t arcmsr_abort_allcmd(struc
case ACB_ADAPTER_TYPE_D:
rtnval = arcmsr_hbaD_abort_allcmd(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ rtnval = arcmsr_hbaE_abort_allcmd(acb);
+ break;
}
return rtnval;
}
@@ -1096,6 +1202,13 @@ static u32 arcmsr_disable_outbound_ints(
writel(ARCMSR_ARC1214_ALL_INT_DISABLE, reg->pcief0_int_enable);
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ orig_mask = readl(®->host_int_mask);
+ writel(orig_mask | ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR | ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR, ®->host_int_mask);
+ readl(®->host_int_mask); /* Dummy readl to force pci flush */
+ }
+ break;
}
return orig_mask;
}
@@ -1284,6 +1397,9 @@ static void arcmsr_done4abort_postqueue(
pmu->doneq_index = 0x40FF;
}
break;
+ case ACB_ADAPTER_TYPE_E:
+ arcmsr_hbaE_postqueue_isr(acb);
+ break;
}
}
@@ -1400,6 +1516,13 @@ static void arcmsr_enable_outbound_ints(
writel(intmask_org | mask, reg->pcief0_int_enable);
break;
}
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+
+ mask = ~(ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR | ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR);
+ writel(intmask_org & mask, ®->host_int_mask);
+ break;
+ }
}
}
@@ -1531,6 +1654,16 @@ static void arcmsr_post_ccb(struct Adapt
spin_unlock_irqrestore(&acb->postq_lock, flags);
break;
}
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *pmu = acb->pmuE;
+ u32 ccb_post_stamp, arc_cdb_size;
+
+ arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
+ ccb_post_stamp = (ccb->smid | ((arc_cdb_size - 1) >> 6));
+ writel(0, &pmu->inbound_queueport_high);
+ writel(ccb_post_stamp, &pmu->inbound_queueport_low);
+ break;
+ }
}
}
@@ -1584,6 +1717,20 @@ static void arcmsr_hbaD_stop_bgrb(struct
"timeout\n", pACB->host->host_no);
}
+static void arcmsr_hbaE_stop_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_E __iomem *reg = pACB->pmuE;
+
+ pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
+ pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(pACB->out_doorbell, ®->iobound_doorbell);
+ if (!arcmsr_hbaE_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'stop adapter background rebulid' "
+ "timeout\n", pACB->host->host_no);
+ }
+}
+
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -1603,6 +1750,9 @@ static void arcmsr_stop_adapter_bgrb(str
case ACB_ADAPTER_TYPE_D:
arcmsr_hbaD_stop_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ arcmsr_hbaE_stop_bgrb(acb);
+ break;
}
}
@@ -1637,6 +1787,12 @@ static void arcmsr_iop_message_read(stru
reg->inbound_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ }
+ break;
}
}
@@ -1677,6 +1833,12 @@ static void arcmsr_iop_message_wrote(str
reg->inbound_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ }
+ break;
}
}
@@ -1706,6 +1868,11 @@ struct QBUFFER __iomem *arcmsr_get_iop_r
qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer;
+ }
+ break;
}
return qbuffer;
}
@@ -1736,6 +1903,11 @@ static struct QBUFFER __iomem *arcmsr_ge
pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
+ }
+ break;
}
return pqbuffer;
}
@@ -1972,6 +2144,33 @@ static void arcmsr_hbaD_doorbell_isr(str
| ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE));
}
+static void arcmsr_hbaE_doorbell_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t outbound_doorbell, in_doorbell, tmp;
+ struct MessageUnit_E __iomem *reg = pACB->pmuE;
+
+ in_doorbell = readl(®->iobound_doorbell);
+ outbound_doorbell = in_doorbell ^ pACB->in_doorbell;
+ do {
+ writel(0, ®->host_int_status); /* clear interrupt */
+ if (outbound_doorbell & ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK) {
+ arcmsr_iop2drv_data_wrote_handle(pACB);
+ }
+ if (outbound_doorbell & ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK) {
+ arcmsr_iop2drv_data_read_handle(pACB);
+ }
+ if (outbound_doorbell & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ arcmsr_hbaE_message_isr(pACB);
+ }
+ tmp = in_doorbell;
+ in_doorbell = readl(®->iobound_doorbell);
+ outbound_doorbell = tmp ^ in_doorbell;
+ } while (outbound_doorbell & (ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK
+ | ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK
+ | ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE));
+ pACB->in_doorbell = in_doorbell;
+}
+
static void arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb)
{
uint32_t flag_ccb;
@@ -2081,6 +2280,33 @@ static void arcmsr_hbaD_postqueue_isr(st
spin_unlock_irqrestore(&acb->doneq_lock, flags);
}
+static void arcmsr_hbaE_postqueue_isr(struct AdapterControlBlock *acb)
+{
+ uint32_t doneq_index;
+ uint16_t cmdSMID;
+ int error;
+ struct MessageUnit_E __iomem *pmu;
+ struct CommandControlBlock *ccb;
+ unsigned long flags;
+
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+ doneq_index = acb->doneq_index;
+ pmu = acb->pmuE;
+ while ((readl(&pmu->reply_post_producer_index) & 0xFFFF) != doneq_index) {
+ cmdSMID = acb->pCompletionQ[doneq_index].cmdSMID;
+ ccb = acb->pccb_pool[cmdSMID];
+ error = (acb->pCompletionQ[doneq_index].cmdFlag
+ & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ arcmsr_drain_donequeue(acb, ccb, error);
+ doneq_index++;
+ if (doneq_index >= acb->completionQ_entry)
+ doneq_index = 0;
+ }
+ acb->doneq_index = doneq_index;
+ writel(doneq_index, &pmu->reply_post_consumer_index);
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
+}
+
/*
**********************************************************************************
** Handle a message interrupt
@@ -2130,6 +2356,14 @@ static void arcmsr_hbaD_message_isr(stru
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
+static void arcmsr_hbaE_message_isr(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+
+ writel(0, ®->host_int_status);
+ schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
+
static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_intstatus;
@@ -2233,6 +2467,31 @@ static irqreturn_t arcmsr_hbaD_handle_is
return IRQ_HANDLED;
}
+static irqreturn_t arcmsr_hbaE_handle_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t host_interrupt_status;
+ struct MessageUnit_E __iomem *pmu = pACB->pmuE;
+
+ host_interrupt_status = readl(&pmu->host_int_status) &
+ (ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR);
+ if (!host_interrupt_status)
+ return IRQ_NONE;
+ do {
+ /* MU ioctl transfer doorbell interrupts*/
+ if (host_interrupt_status & ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR) {
+ arcmsr_hbaE_doorbell_isr(pACB);
+ }
+ /* MU post queue interrupts*/
+ if (host_interrupt_status & ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR) {
+ arcmsr_hbaE_postqueue_isr(pACB);
+ }
+ host_interrupt_status = readl(&pmu->host_int_status);
+ } while (host_interrupt_status & (ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR));
+ return IRQ_HANDLED;
+}
+
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -2246,6 +2505,8 @@ static irqreturn_t arcmsr_interrupt(stru
return arcmsr_hbaC_handle_isr(acb);
case ACB_ADAPTER_TYPE_D:
return arcmsr_hbaD_handle_isr(acb);
+ case ACB_ADAPTER_TYPE_E:
+ return arcmsr_hbaE_handle_isr(acb);
default:
return IRQ_NONE;
}
@@ -2889,6 +3150,71 @@ static bool arcmsr_hbaD_get_config(struc
return true;
}
+static bool arcmsr_hbaE_get_config(struct AdapterControlBlock *pACB)
+{
+ char *acb_firm_model = pACB->firm_model;
+ char *acb_firm_version = pACB->firm_version;
+ struct MessageUnit_E __iomem *reg = pACB->pmuE;
+ char __iomem *iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]);
+ char __iomem *iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]);
+ uint32_t intmask_org, Index, firmware_state = 0, read_doorbell;
+ int count;
+
+ /* disable all outbound interrupt */
+ intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
+ writel(intmask_org | ARCMSR_HBEMU_ALL_INTMASKENABLE, ®->host_int_mask);
+ /* wait firmware ready */
+ do {
+ firmware_state = readl(®->outbound_msgaddr1);
+ } while ((firmware_state & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0);
+ mdelay(20);
+ /* post "get config" instruction */
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
+
+ pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(pACB->out_doorbell, ®->iobound_doorbell);
+ /* wait message ready */
+ for (Index = 0; Index < 2000; Index++) {
+ read_doorbell = readl(®->iobound_doorbell);
+ if ((read_doorbell ^ pACB->in_doorbell) & ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(0, ®->host_int_status);
+ pACB->in_doorbell = read_doorbell;
+ break;
+ }
+ mdelay(1);
+ } /*max 1 seconds*/
+
+ if (Index >= 2000) {
+ pr_notice("arcmsr%d: wait get adapter firmware "
+ "miscellaneous data timeout\n", pACB->host->host_no);
+ return false;
+ }
+ count = 8;
+ while (count) {
+ *acb_firm_model = readb(iop_firm_model);
+ acb_firm_model++;
+ iop_firm_model++;
+ count--;
+ }
+ count = 16;
+ while (count) {
+ *acb_firm_version = readb(iop_firm_version);
+ acb_firm_version++;
+ iop_firm_version++;
+ count--;
+ }
+ pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]);
+ pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]);
+ pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]);
+ pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]);
+ pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]);
+ pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
+ pACB->host->host_no,
+ pACB->firm_model,
+ pACB->firm_version);
+ return true;
+}
+
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
bool rtn = false;
@@ -2906,6 +3232,9 @@ static bool arcmsr_get_firmware_spec(str
case ACB_ADAPTER_TYPE_D:
rtn = arcmsr_hbaD_get_config(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ rtn = arcmsr_hbaE_get_config(acb);
+ break;
default:
break;
}
@@ -3170,6 +3499,75 @@ polling_hbaD_ccb_retry:
return rtn;
}
+static int arcmsr_hbaE_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
+{
+ bool error;
+ uint32_t poll_ccb_done = 0, poll_count = 0, doneq_index;
+ uint16_t cmdSMID;
+ unsigned long flags;
+ int rtn;
+ struct CommandControlBlock *pCCB;
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+
+ polling_hbaC_ccb_retry:
+ poll_count++;
+ while (1) {
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+ doneq_index = acb->doneq_index;
+ if ((readl(®->reply_post_producer_index) & 0xFFFF) ==
+ doneq_index) {
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
+ if (poll_ccb_done) {
+ rtn = SUCCESS;
+ break;
+ } else {
+ msleep(25);
+ if (poll_count > 40) {
+ rtn = FAILED;
+ break;
+ }
+ goto polling_hbaC_ccb_retry;
+ }
+ }
+ cmdSMID = acb->pCompletionQ[doneq_index].cmdSMID;
+ doneq_index++;
+ if (doneq_index >= acb->completionQ_entry)
+ doneq_index = 0;
+ acb->doneq_index = doneq_index;
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
+ pCCB = acb->pccb_pool[cmdSMID];
+ poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
+ /* check if command done with no error*/
+ if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
+ if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
+ pr_notice("arcmsr%d: scsi id = %d "
+ "lun = %d ccb = '0x%p' poll command "
+ "abort successfully\n"
+ , acb->host->host_no
+ , pCCB->pcmd->device->id
+ , (u32)pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
+ continue;
+ }
+ pr_notice("arcmsr%d: polling an illegal "
+ "ccb command done ccb = '0x%p' "
+ "ccboutstandingcount = %d\n"
+ , acb->host->host_no
+ , pCCB
+ , atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+ error = (acb->pCompletionQ[doneq_index].cmdFlag &
+ ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ arcmsr_report_ccb_state(acb, pCCB, error);
+ }
+ writel(doneq_index, ®->reply_post_consumer_index);
+ return rtn;
+}
+
static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
@@ -3192,6 +3590,9 @@ static int arcmsr_polling_ccbdone(struct
case ACB_ADAPTER_TYPE_D:
rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ rtn = arcmsr_hbaE_polling_ccbdone(acb, poll_ccb);
+ break;
}
return rtn;
}
@@ -3212,6 +3613,10 @@ static int arcmsr_iop_confirm(struct Ada
case ACB_ADAPTER_TYPE_D:
dma_coherent_handle = acb->dma_coherent_handle2;
break;
+ case ACB_ADAPTER_TYPE_E:
+ dma_coherent_handle = acb->dma_coherent_handle +
+ offsetof(struct CommandControlBlock, arcmsr_cdb);
+ break;
default:
dma_coherent_handle = acb->dma_coherent_handle;
break;
@@ -3320,6 +3725,29 @@ static int arcmsr_iop_confirm(struct Ada
}
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]);
+ writel(ARCMSR_SIGNATURE_1884, ®->msgcode_rwbuffer[1]);
+ writel(cdb_phyaddr, ®->msgcode_rwbuffer[2]);
+ writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[3]);
+ writel(acb->ccbsize, ®->msgcode_rwbuffer[4]);
+ dma_coherent_handle = acb->dma_coherent_handle2;
+ cdb_phyaddr = (uint32_t)(dma_coherent_handle & 0xffffffff);
+ cdb_phyaddr_hi32 = (uint32_t)((dma_coherent_handle >> 16) >> 16);
+ writel(cdb_phyaddr, ®->msgcode_rwbuffer[5]);
+ writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[6]);
+ writel(acb->roundup_ccbsize, ®->msgcode_rwbuffer[7]);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0);
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ if (!arcmsr_hbaE_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: 'set command Q window' timeout \n",
+ acb->host->host_no);
+ return 1;
+ }
+ }
+ break;
}
return 0;
}
@@ -3360,6 +3788,13 @@ static void arcmsr_wait_firmware_ready(s
ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ do {
+ firmware_state = readl(®->outbound_msgaddr1);
+ } while ((firmware_state & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0);
+ }
+ break;
}
}
@@ -3459,6 +3894,36 @@ static void arcmsr_hbaD_request_device_m
}
}
+static void arcmsr_hbaE_request_device_map(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
+ ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ } else {
+ acb->fw_flag = FW_NORMAL;
+ if (atomic_read(&acb->ante_token_value) ==
+ atomic_read(&acb->rq_map_token)) {
+ atomic_set(&acb->rq_map_token, 16);
+ }
+ atomic_set(&acb->ante_token_value,
+ atomic_read(&acb->rq_map_token));
+ if (atomic_dec_and_test(&acb->rq_map_token)) {
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ return;
+ }
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ }
+}
+
static void arcmsr_request_device_map(unsigned long pacb)
{
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
@@ -3478,6 +3943,9 @@ static void arcmsr_request_device_map(un
case ACB_ADAPTER_TYPE_D:
arcmsr_hbaD_request_device_map(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ arcmsr_hbaE_request_device_map(acb);
+ break;
}
}
@@ -3528,6 +3996,20 @@ static void arcmsr_hbaD_start_bgrb(struc
}
}
+static void arcmsr_hbaE_start_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_E __iomem *pmu = pACB->pmuE;
+
+ pACB->acb_flags |= ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB, &pmu->inbound_msgaddr0);
+ pACB->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE;
+ writel(pACB->out_doorbell, &pmu->iobound_doorbell);
+ if (!arcmsr_hbaE_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "background rebulid' timeout \n", pACB->host->host_no);
+ }
+}
+
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -3543,6 +4025,9 @@ static void arcmsr_start_adapter_bgrb(st
case ACB_ADAPTER_TYPE_D:
arcmsr_hbaD_start_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_E:
+ arcmsr_hbaE_start_bgrb(acb);
+ break;
}
}
@@ -3611,6 +4096,27 @@ static void arcmsr_clear_doorbell_queue_
}
}
break;
+ case ACB_ADAPTER_TYPE_E: {
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ uint32_t i, tmp;
+
+ acb->in_doorbell = readl(®->iobound_doorbell);
+ writel(0, ®->host_int_status); /*clear interrupt*/
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ for(i=0; i < 200; i++) {
+ msleep(20);
+ tmp = acb->in_doorbell;
+ acb->in_doorbell = readl(®->iobound_doorbell);
+ if((tmp ^ acb->in_doorbell) & ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK) {
+ writel(0, ®->host_int_status); /*clear interrupt*/
+ acb->out_doorbell ^= ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK;
+ writel(acb->out_doorbell, ®->iobound_doorbell);
+ } else
+ break;
+ }
+ }
+ break;
}
}
@@ -3662,6 +4168,19 @@ static void arcmsr_hardware_reset(struct
writel(0xD, &pmuC->write_sequence);
} while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
+ } else if (acb->dev_id == 0x1884) {
+ struct MessageUnit_E __iomem *pmuE = acb->pmuE;
+ do {
+ count++;
+ writel(0x4, &pmuE->write_sequence_3xxx);
+ writel(0xB, &pmuE->write_sequence_3xxx);
+ writel(0x2, &pmuE->write_sequence_3xxx);
+ writel(0x7, &pmuE->write_sequence_3xxx);
+ writel(0xD, &pmuE->write_sequence_3xxx);
+ mdelay(10);
+ } while (((readl(&pmuE->host_diagnostic_3xxx) &
+ ARCMSR_ARC1884_DiagWrite_ENABLE) == 0) && (count < 5));
+ writel(ARCMSR_ARC188X_RESET_ADAPTER, &pmuE->host_diagnostic_3xxx);
} else if ((acb->dev_id == 0x1214)) {
writel(0x20, pmuD->reset_request);
} else {
@@ -3704,6 +4223,12 @@ static bool arcmsr_reset_in_progress(str
true : false;
}
break;
+ case ACB_ADAPTER_TYPE_E:{
+ struct MessageUnit_E __iomem *reg = acb->pmuE;
+ rtn = (readl(®->host_diagnostic_3xxx) &
+ ARCMSR_ARC188X_RESET_ADAPTER) ? true : false;
+ }
+ break;
}
return rtn;
}
@@ -3894,6 +4419,7 @@ static const char *arcmsr_info(struct Sc
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
+ case PCI_DEVICE_ID_ARECA_1884:
type = "SAS/SATA";
break;
default: