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[SCSI] aacraid: Add new code for PMC-Sierra's SRC based controller family 

Added new hardware device 0x28b interface for PMC-Sierra's SRC based
controller family.

- new src.c file for 0x28b specific functions
- new XPORT header required
- sync. command interface: doorbell bits shifted (SRC_ODR_SHIFT, SRC_IDR_SHIFT)
- async. Interface: different inbound queue handling, no outbound I2O
  queue available, using doorbell ("PmDoorBellResponseSent") and
  response buffer on the host ("host_rrq") for status
- changed AIF (adapter initiated FIBs) interface: "DoorBellAifPending"
  bit to inform about pending AIF, "AifRequest" command to read AIF,
  "NoMoreAifDataAvailable" to mark the end of the AIFs

Signed-off-by: Mahesh Rajashekhara <aacraid@pmc-sierra.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Mahesh Rajashekhara 2011-03-17 02:10:32 -07:00 committed by James Bottomley
parent 0a2385cea9
commit e8b12f0fb8
13 changed files with 898 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/aacraid/Makefile
View File

@ -3,6 +3,6 @@
obj-$(CONFIG_SCSI_AACRAID) := aacraid.o
aacraid-objs := linit.o aachba.o commctrl.o comminit.o commsup.o \
dpcsup.o rx.o sa.o rkt.o nark.o
dpcsup.o rx.o sa.o rkt.o nark.o src.o
ccflags-y := -Idrivers/scsi

7
drivers/scsi/aacraid/aachba.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -1486,7 +1487,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
dev->a_ops.adapter_write = aac_write_block;
}
dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
dev->adapter_info.options |= AAC_OPT_NEW_COMM;
if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
/*
* Worst case size that could cause sg overflow when
* we break up SG elements that are larger than 64KB.

106
drivers/scsi/aacraid/aacraid.h
View File

@ -12,7 +12,7 @@
*----------------------------------------------------------------------------*/
#ifndef AAC_DRIVER_BUILD
# define AAC_DRIVER_BUILD 26400
# define AAC_DRIVER_BUILD 28000
# define AAC_DRIVER_BRANCH "-ms"
#endif
#define MAXIMUM_NUM_CONTAINERS 32
@ -277,6 +277,16 @@ enum aac_queue_types {
#define FsaNormal 1
/* transport FIB header (PMC) */
struct aac_fib_xporthdr {
u64 HostAddress; /* FIB host address w/o xport header */
u32 Size; /* FIB size excluding xport header */
u32 Handle; /* driver handle to reference the FIB */
u64 Reserved[2];
};
#define ALIGN32 32
/*
* Define the FIB. The FIB is the where all the requested data and
* command information are put to the application on the FSA adapter.
@ -394,7 +404,9 @@ enum fib_xfer_state {
AdapterMicroFib = (1<<17),
BIOSFibPath = (1<<18),
FastResponseCapable = (1<<19),
ApiFib = (1<<20) // Its an API Fib.
ApiFib = (1<<20), /* Its an API Fib */
/* PMC NEW COMM: There is no more AIF data pending */
NoMoreAifDataAvailable = (1<<21)
};
/*
@ -404,6 +416,7 @@ enum fib_xfer_state {
#define ADAPTER_INIT_STRUCT_REVISION 3
#define ADAPTER_INIT_STRUCT_REVISION_4 4 // rocket science
#define ADAPTER_INIT_STRUCT_REVISION_6 6 /* PMC src */
struct aac_init
{
@ -428,9 +441,15 @@ struct aac_init
#define INITFLAGS_NEW_COMM_SUPPORTED 0x00000001
#define INITFLAGS_DRIVER_USES_UTC_TIME 0x00000010
#define INITFLAGS_DRIVER_SUPPORTS_PM 0x00000020
#define INITFLAGS_NEW_COMM_TYPE1_SUPPORTED 0x00000041
__le32 MaxIoCommands; /* max outstanding commands */
__le32 MaxIoSize; /* largest I/O command */
__le32 MaxFibSize; /* largest FIB to adapter */
/* ADAPTER_INIT_STRUCT_REVISION_5 begins here */
__le32 MaxNumAif; /* max number of aif */
/* ADAPTER_INIT_STRUCT_REVISION_6 begins here */
__le32 HostRRQ_AddrLow;
__le32 HostRRQ_AddrHigh; /* Host RRQ (response queue) for SRC */
};
enum aac_log_level {
@ -685,7 +704,7 @@ struct rx_inbound {
#define OutboundDoorbellReg MUnit.ODR
struct rx_registers {
struct rx_mu_registers MUnit; /* 1300h - 1344h */
struct rx_mu_registers MUnit; /* 1300h - 1347h */
__le32 reserved1[2]; /* 1348h - 134ch */
struct rx_inbound IndexRegs;
};
@ -703,7 +722,7 @@ struct rx_registers {
#define rkt_inbound rx_inbound
struct rkt_registers {
struct rkt_mu_registers MUnit; /* 1300h - 1344h */
struct rkt_mu_registers MUnit; /* 1300h - 1347h */
__le32 reserved1[1006]; /* 1348h - 22fch */
struct rkt_inbound IndexRegs; /* 2300h - */
};
@ -713,6 +732,44 @@ struct rkt_registers {
#define rkt_writeb(AEP, CSR, value) writeb(value, &((AEP)->regs.rkt->CSR))
#define rkt_writel(AEP, CSR, value) writel(value, &((AEP)->regs.rkt->CSR))
/*
* PMC SRC message unit registers
*/
#define src_inbound rx_inbound
struct src_mu_registers {
/* PCI*| Name */
__le32 reserved0[8]; /* 00h | Reserved */
__le32 IDR; /* 20h | Inbound Doorbell Register */
__le32 IISR; /* 24h | Inbound Int. Status Register */
__le32 reserved1[3]; /* 28h | Reserved */
__le32 OIMR; /* 34h | Outbound Int. Mask Register */
__le32 reserved2[25]; /* 38h | Reserved */
__le32 ODR_R; /* 9ch | Outbound Doorbell Read */
__le32 ODR_C; /* a0h | Outbound Doorbell Clear */
__le32 reserved3[6]; /* a4h | Reserved */
__le32 OMR; /* bch | Outbound Message Register */
__le32 IQ_L; /* c0h | Inbound Queue (Low address) */
__le32 IQ_H; /* c4h | Inbound Queue (High address) */
};
struct src_registers {
struct src_mu_registers MUnit; /* 00h - c7h */
__le32 reserved1[130790]; /* c8h - 7fc5fh */
struct src_inbound IndexRegs; /* 7fc60h */
};
#define src_readb(AEP, CSR) readb(&((AEP)->regs.src.bar0->CSR))
#define src_readl(AEP, CSR) readl(&((AEP)->regs.src.bar0->CSR))
#define src_writeb(AEP, CSR, value) writeb(value, \
&((AEP)->regs.src.bar0->CSR))
#define src_writel(AEP, CSR, value) writel(value, \
&((AEP)->regs.src.bar0->CSR))
#define SRC_ODR_SHIFT 12
#define SRC_IDR_SHIFT 9
typedef void (*fib_callback)(void *ctxt, struct fib *fibctx);
struct aac_fib_context {
@ -879,6 +936,7 @@ struct aac_supplement_adapter_info
#define AAC_OPTION_MU_RESET cpu_to_le32(0x00000001)
#define AAC_OPTION_IGNORE_RESET cpu_to_le32(0x00000002)
#define AAC_OPTION_POWER_MANAGEMENT cpu_to_le32(0x00000004)
#define AAC_OPTION_DOORBELL_RESET cpu_to_le32(0x00004000)
#define AAC_SIS_VERSION_V3 3
#define AAC_SIS_SLOT_UNKNOWN 0xFF
@ -940,6 +998,7 @@ struct aac_bus_info_response {
#define AAC_OPT_SUPPLEMENT_ADAPTER_INFO cpu_to_le32(1<<16)
#define AAC_OPT_NEW_COMM cpu_to_le32(1<<17)
#define AAC_OPT_NEW_COMM_64 cpu_to_le32(1<<18)
#define AAC_OPT_NEW_COMM_TYPE1 cpu_to_le32(1<<28)
struct aac_dev
{
@ -952,6 +1011,7 @@ struct aac_dev
*/
unsigned max_fib_size;
unsigned sg_tablesize;
unsigned max_num_aif;
/*
* Map for 128 fib objects (64k)
@ -980,10 +1040,21 @@ struct aac_dev
struct adapter_ops a_ops;
unsigned long fsrev; /* Main driver's revision number */
unsigned base_size; /* Size of mapped in region */
unsigned long dbg_base; /* address of UART
* debug buffer */
unsigned base_size, dbg_size; /* Size of
* mapped in region */
struct aac_init *init; /* Holds initialization info to communicate with adapter */
dma_addr_t init_pa; /* Holds physical address of the init struct */
u32 *host_rrq; /* response queue
* if AAC_COMM_MESSAGE_TYPE1 */
dma_addr_t host_rrq_pa; /* phys. address */
u32 host_rrq_idx; /* index into rrq buffer */
struct pci_dev *pdev; /* Our PCI interface */
void * printfbuf; /* pointer to buffer used for printf's from the adapter */
void * comm_addr; /* Base address of Comm area */
@ -1003,14 +1074,20 @@ struct aac_dev
*/
#ifndef AAC_MIN_FOOTPRINT_SIZE
# define AAC_MIN_FOOTPRINT_SIZE 8192
# define AAC_MIN_SRC_BAR0_SIZE 0x400000
# define AAC_MIN_SRC_BAR1_SIZE 0x800
#endif
union
{
struct sa_registers __iomem *sa;
struct rx_registers __iomem *rx;
struct rkt_registers __iomem *rkt;
struct {
struct src_registers __iomem *bar0;
char __iomem *bar1;
} src;
} regs;
volatile void __iomem *base;
volatile void __iomem *base, *dbg_base_mapped;
volatile struct rx_inbound __iomem *IndexRegs;
u32 OIMR; /* Mask Register Cache */
/*
@ -1031,9 +1108,8 @@ struct aac_dev
u8 comm_interface;
# define AAC_COMM_PRODUCER 0
# define AAC_COMM_MESSAGE 1
/* macro side-effects BEWARE */
# define raw_io_interface \
init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
# define AAC_COMM_MESSAGE_TYPE1 3
u8 raw_io_interface;
u8 raw_io_64;
u8 printf_enabled;
u8 in_reset;
@ -1789,6 +1865,10 @@ extern struct aac_common aac_config;
#define DoorBellAdapterNormCmdNotFull (1<<3) /* Adapter -> Host */
#define DoorBellAdapterNormRespNotFull (1<<4) /* Adapter -> Host */
#define DoorBellPrintfReady (1<<5) /* Adapter -> Host */
#define DoorBellAifPending (1<<6) /* Adapter -> Host */
/* PMC specific outbound doorbell bits */
#define PmDoorBellResponseSent (1<<1) /* Adapter -> Host */
/*
* For FIB communication, we need all of the following things
@ -1831,6 +1911,9 @@ extern struct aac_common aac_config;
#define AifReqAPIJobUpdate 109 /* Update a job report from the API */
#define AifReqAPIJobFinish 110 /* Finish a job from the API */
/* PMC NEW COMM: Request the event data */
#define AifReqEvent 200
/*
* Adapter Initiated FIB command structures. Start with the adapter
* initiated FIBs that really come from the adapter, and get responded
@ -1886,10 +1969,13 @@ int aac_rx_init(struct aac_dev *dev);
int aac_rkt_init(struct aac_dev *dev);
int aac_nark_init(struct aac_dev *dev);
int aac_sa_init(struct aac_dev *dev);
int aac_src_init(struct aac_dev *dev);
int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
unsigned int aac_response_normal(struct aac_queue * q);
unsigned int aac_command_normal(struct aac_queue * q);
unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index);
unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index,
int isAif, int isFastResponse,
struct hw_fib *aif_fib);
int aac_reset_adapter(struct aac_dev * dev, int forced);
int aac_check_health(struct aac_dev * dev);
int aac_command_thread(void *data);

3
drivers/scsi/aacraid/commctrl.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

58
drivers/scsi/aacraid/comminit.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -52,12 +53,16 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
unsigned long size, align;
const unsigned long fibsize = 4096;
const unsigned long printfbufsiz = 256;
unsigned long host_rrq_size = 0;
struct aac_init *init;
dma_addr_t phys;
unsigned long aac_max_hostphysmempages;
size = fibsize + sizeof(struct aac_init) + commsize + commalign + printfbufsiz;
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1)
host_rrq_size = (dev->scsi_host_ptr->can_queue
+ AAC_NUM_MGT_FIB) * sizeof(u32);
size = fibsize + sizeof(struct aac_init) + commsize +
commalign + printfbufsiz + host_rrq_size;
base = pci_alloc_consistent(dev->pdev, size, &phys);
@ -70,8 +75,14 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
dev->comm_phys = phys;
dev->comm_size = size;
dev->init = (struct aac_init *)(base + fibsize);
dev->init_pa = phys + fibsize;
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
dev->host_rrq = (u32 *)(base + fibsize);
dev->host_rrq_pa = phys + fibsize;
memset(dev->host_rrq, 0, host_rrq_size);
}
dev->init = (struct aac_init *)(base + fibsize + host_rrq_size);
dev->init_pa = phys + fibsize + host_rrq_size;
init = dev->init;
@ -106,8 +117,13 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
init->InitFlags = 0;
if (dev->comm_interface == AAC_COMM_MESSAGE) {
init->InitFlags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
} else if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_6);
init->InitFlags |= cpu_to_le32(INITFLAGS_NEW_COMM_TYPE1_SUPPORTED);
dprintk((KERN_WARNING
"aacraid: New Comm Interface type1 enabled\n"));
}
init->InitFlags |= cpu_to_le32(INITFLAGS_DRIVER_USES_UTC_TIME |
INITFLAGS_DRIVER_SUPPORTS_PM);
@ -115,11 +131,18 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
init->MaxIoSize = cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9);
init->MaxFibSize = cpu_to_le32(dev->max_fib_size);
init->MaxNumAif = cpu_to_le32(dev->max_num_aif);
init->HostRRQ_AddrHigh = (u32)((u64)dev->host_rrq_pa >> 32);
init->HostRRQ_AddrLow = (u32)(dev->host_rrq_pa & 0xffffffff);
/*
* Increment the base address by the amount already used
*/
base = base + fibsize + sizeof(struct aac_init);
phys = (dma_addr_t)((ulong)phys + fibsize + sizeof(struct aac_init));
base = base + fibsize + host_rrq_size + sizeof(struct aac_init);
phys = (dma_addr_t)((ulong)phys + fibsize + host_rrq_size +
sizeof(struct aac_init));
/*
* Align the beginning of Headers to commalign
*/
@ -314,15 +337,22 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
- sizeof(struct aac_write) + sizeof(struct sgentry))
/ sizeof(struct sgentry);
dev->comm_interface = AAC_COMM_PRODUCER;
dev->raw_io_64 = 0;
dev->raw_io_interface = dev->raw_io_64 = 0;
if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
(status[0] == 0x00000001)) {
if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64))
dev->raw_io_64 = 1;
if (dev->a_ops.adapter_comm &&
(status[1] & le32_to_cpu(AAC_OPT_NEW_COMM)))
dev->comm_interface = AAC_COMM_MESSAGE;
if (dev->a_ops.adapter_comm) {
if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE1)) {
dev->comm_interface = AAC_COMM_MESSAGE_TYPE1;
dev->raw_io_interface = 1;
} else if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM)) {
dev->comm_interface = AAC_COMM_MESSAGE;
dev->raw_io_interface = 1;
}
}
if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
(status[2] > dev->base_size)) {
aac_adapter_ioremap(dev, 0);
@ -350,10 +380,12 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
* status[3] & 0xFFFF maximum number FIBs outstanding
*/
host->max_sectors = (status[1] >> 16) << 1;
dev->max_fib_size = status[1] & 0xFFFF;
/* Multiple of 32 for PMC */
dev->max_fib_size = status[1] & 0xFFE0;
host->sg_tablesize = status[2] >> 16;
dev->sg_tablesize = status[2] & 0xFFFF;
host->can_queue = (status[3] & 0xFFFF) - AAC_NUM_MGT_FIB;
dev->max_num_aif = status[4] & 0xFFFF;
/*
* NOTE:
* All these overrides are based on a fixed internal

41
drivers/scsi/aacraid/commsup.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -63,9 +64,11 @@ static int fib_map_alloc(struct aac_dev *dev)
"allocate hardware fibs pci_alloc_consistent(%p, %d * (%d + %d), %p)\n",
dev->pdev, dev->max_fib_size, dev->scsi_host_ptr->can_queue,
AAC_NUM_MGT_FIB, &dev->hw_fib_pa));
if((dev->hw_fib_va = pci_alloc_consistent(dev->pdev, dev->max_fib_size
* (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB),
&dev->hw_fib_pa))==NULL)
dev->hw_fib_va = pci_alloc_consistent(dev->pdev,
(dev->max_fib_size + sizeof(struct aac_fib_xporthdr))
* (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) + (ALIGN32 - 1),
&dev->hw_fib_pa);
if (dev->hw_fib_va == NULL)
return -ENOMEM;
return 0;
}
@ -110,9 +113,22 @@ int aac_fib_setup(struct aac_dev * dev)
if (i<0)
return -ENOMEM;
/* 32 byte alignment for PMC */
hw_fib_pa = (dev->hw_fib_pa + (ALIGN32 - 1)) & ~(ALIGN32 - 1);
dev->hw_fib_va = (struct hw_fib *)((unsigned char *)dev->hw_fib_va +
(hw_fib_pa - dev->hw_fib_pa));
dev->hw_fib_pa = hw_fib_pa;
memset(dev->hw_fib_va, 0,
(dev->max_fib_size + sizeof(struct aac_fib_xporthdr)) *
(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB));
/* add Xport header */
dev->hw_fib_va = (struct hw_fib *)((unsigned char *)dev->hw_fib_va +
sizeof(struct aac_fib_xporthdr));
dev->hw_fib_pa += sizeof(struct aac_fib_xporthdr);
hw_fib = dev->hw_fib_va;
hw_fib_pa = dev->hw_fib_pa;
memset(hw_fib, 0, dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB));
/*
* Initialise the fibs
*/
@ -129,8 +145,10 @@ int aac_fib_setup(struct aac_dev * dev)
hw_fib->header.XferState = cpu_to_le32(0xffffffff);
hw_fib->header.SenderSize = cpu_to_le16(dev->max_fib_size);
fibptr->hw_fib_pa = hw_fib_pa;
hw_fib = (struct hw_fib *)((unsigned char *)hw_fib + dev->max_fib_size);
hw_fib_pa = hw_fib_pa + dev->max_fib_size;
hw_fib = (struct hw_fib *)((unsigned char *)hw_fib +
dev->max_fib_size + sizeof(struct aac_fib_xporthdr));
hw_fib_pa = hw_fib_pa +
dev->max_fib_size + sizeof(struct aac_fib_xporthdr);
}
/*
* Add the fib chain to the free list
@ -664,9 +682,14 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
unsigned long nointr = 0;
unsigned long qflags;
if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE1) {
kfree(hw_fib);
return 0;
}
if (hw_fib->header.XferState == 0) {
if (dev->comm_interface == AAC_COMM_MESSAGE)
kfree (hw_fib);
kfree(hw_fib);
return 0;
}
/*
@ -674,7 +697,7 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
*/
if (hw_fib->header.StructType != FIB_MAGIC) {
if (dev->comm_interface == AAC_COMM_MESSAGE)
kfree (hw_fib);
kfree(hw_fib);
return -EINVAL;
}
/*

85
drivers/scsi/aacraid/dpcsup.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -228,6 +229,48 @@ unsigned int aac_command_normal(struct aac_queue *q)
return 0;
}
/*
*
* aac_aif_callback
* @context: the context set in the fib - here it is scsi cmd
* @fibptr: pointer to the fib
*
* Handles the AIFs - new method (SRC)
*
*/
static void aac_aif_callback(void *context, struct fib * fibptr)
{
struct fib *fibctx;
struct aac_dev *dev;
struct aac_aifcmd *cmd;
int status;
fibctx = (struct fib *)context;
BUG_ON(fibptr == NULL);
dev = fibptr->dev;
if (fibptr->hw_fib_va->header.XferState &
cpu_to_le32(NoMoreAifDataAvailable)) {
aac_fib_complete(fibptr);
aac_fib_free(fibptr);
return;
}
aac_intr_normal(dev, 0, 1, 0, fibptr->hw_fib_va);
aac_fib_init(fibctx);
cmd = (struct aac_aifcmd *) fib_data(fibctx);
cmd->command = cpu_to_le32(AifReqEvent);
status = aac_fib_send(AifRequest,
fibctx,
sizeof(struct hw_fib)-sizeof(struct aac_fibhdr),
FsaNormal,
0, 1,
(fib_callback)aac_aif_callback, fibctx);
}
/**
* aac_intr_normal - Handle command replies
@ -238,19 +281,17 @@ unsigned int aac_command_normal(struct aac_queue *q)
* know there is a response on our normal priority queue. We will pull off
* all QE there are and wake up all the waiters before exiting.
*/
unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
int isAif, int isFastResponse, struct hw_fib *aif_fib)
{
unsigned long mflags;
dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index));
if ((index & 0x00000002L)) {
if (isAif == 1) { /* AIF - common */
struct hw_fib * hw_fib;
struct fib * fib;
struct aac_queue *q = &dev->queues->queue[HostNormCmdQueue];
unsigned long flags;
if (index == 0xFFFFFFFEL) /* Special Case */
return 0; /* Do nothing */
/*
* Allocate a FIB. For non queued stuff we can just use
* the stack so we are happy. We need a fib object in order to
@ -263,8 +304,13 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
kfree (fib);
return 1;
}
memcpy(hw_fib, (struct hw_fib *)(((uintptr_t)(dev->regs.sa)) +
(index & ~0x00000002L)), sizeof(struct hw_fib));
if (aif_fib != NULL) {
memcpy(hw_fib, aif_fib, sizeof(struct hw_fib));
} else {
memcpy(hw_fib,
(struct hw_fib *)(((uintptr_t)(dev->regs.sa)) +
index), sizeof(struct hw_fib));
}
INIT_LIST_HEAD(&fib->fiblink);
fib->type = FSAFS_NTC_FIB_CONTEXT;
fib->size = sizeof(struct fib);
@ -277,9 +323,26 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
wake_up_interruptible(&q->cmdready);
spin_unlock_irqrestore(q->lock, flags);
return 1;
} else if (isAif == 2) { /* AIF - new (SRC) */
struct fib *fibctx;
struct aac_aifcmd *cmd;
fibctx = aac_fib_alloc(dev);
if (!fibctx)
return 1;
aac_fib_init(fibctx);
cmd = (struct aac_aifcmd *) fib_data(fibctx);
cmd->command = cpu_to_le32(AifReqEvent);
return aac_fib_send(AifRequest,
fibctx,
sizeof(struct hw_fib)-sizeof(struct aac_fibhdr),
FsaNormal,
0, 1,
(fib_callback)aac_aif_callback, fibctx);
} else {
int fast = index & 0x01;
struct fib * fib = &dev->fibs[index >> 2];
struct fib *fib = &dev->fibs[index];
struct hw_fib * hwfib = fib->hw_fib_va;
/*
@ -298,7 +361,7 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 index)
return 0;
}
if (fast) {
if (isFastResponse) {
/*
* Doctor the fib
*/

15
drivers/scsi/aacraid/linit.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -54,7 +55,7 @@
#include "aacraid.h"
#define AAC_DRIVER_VERSION "1.1-5"
#define AAC_DRIVER_VERSION "1.1-7"
#ifndef AAC_DRIVER_BRANCH
#define AAC_DRIVER_BRANCH ""
#endif
@ -161,6 +162,7 @@ static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
{ 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
{ 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
{ 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
{ 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */
{ 0,}
};
MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
@ -235,7 +237,8 @@ static struct aac_driver_ident aac_drivers[] = {
{ aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
{ aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
{ aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Catch All */
};
/**
@ -653,8 +656,10 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
* This adapter needs a blind reset, only do so for Adapters that
* support a register, instead of a commanded, reset.
*/
if ((aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_MU_RESET) &&
if (((aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_MU_RESET) ||
(aac->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_DOORBELL_RESET)) &&
aac_check_reset &&
((aac_check_reset != 1) ||
!(aac->supplement_adapter_info.SupportedOptions2 &

3
drivers/scsi/aacraid/nark.c
View File

@ -4,7 +4,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2006-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

3
drivers/scsi/aacraid/rkt.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

33
drivers/scsi/aacraid/rx.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -84,15 +85,35 @@ static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
{
int isAif, isFastResponse, isSpecial;
struct aac_dev *dev = dev_id;
u32 Index = rx_readl(dev, MUnit.OutboundQueue);
if (unlikely(Index == 0xFFFFFFFFL))
Index = rx_readl(dev, MUnit.OutboundQueue);
if (likely(Index != 0xFFFFFFFFL)) {
do {
if (unlikely(aac_intr_normal(dev, Index))) {
rx_writel(dev, MUnit.OutboundQueue, Index);
rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
isAif = isFastResponse = isSpecial = 0;
if (Index & 0x00000002L) {
isAif = 1;
if (Index == 0xFFFFFFFEL)
isSpecial = 1;
Index &= ~0x00000002L;
} else {
if (Index & 0x00000001L)
isFastResponse = 1;
Index >>= 2;
}
if (!isSpecial) {
if (unlikely(aac_intr_normal(dev,
Index, isAif,
isFastResponse, NULL))) {
rx_writel(dev,
MUnit.OutboundQueue,
Index);
rx_writel(dev,
MUnit.ODR,
DoorBellAdapterNormRespReady);
}
}
Index = rx_readl(dev, MUnit.OutboundQueue);
} while (Index != 0xFFFFFFFFL);
@ -631,6 +652,10 @@ int _aac_rx_init(struct aac_dev *dev)
name, instance);
goto error_iounmap;
}
dev->dbg_base = dev->scsi_host_ptr->base;
dev->dbg_base_mapped = dev->base;
dev->dbg_size = dev->base_size;
aac_adapter_enable_int(dev);
/*
* Tell the adapter that all is configured, and it can

7
drivers/scsi/aacraid/sa.c
View File

@ -5,7 +5,8 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -391,6 +392,10 @@ int aac_sa_init(struct aac_dev *dev)
name, instance);
goto error_iounmap;
}
dev->dbg_base = dev->scsi_host_ptr->base;
dev->dbg_base_mapped = dev->base;
dev->dbg_size = dev->base_size;
aac_adapter_enable_int(dev);
/*

594
drivers/scsi/aacraid/src.c Normal file
View File

@ -0,0 +1,594 @@
/*
* Adaptec AAC series RAID controller driver
* (c) Copyright 2001 Red Hat Inc.
*
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000-2010 Adaptec, Inc.
* 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Module Name:
* src.c
*
* Abstract: Hardware Device Interface for PMC SRC based controllers
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/version.h>
#include <linux/completion.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <scsi/scsi_host.h>
#include "aacraid.h"
static irqreturn_t aac_src_intr_message(int irq, void *dev_id)
{
struct aac_dev *dev = dev_id;
unsigned long bellbits, bellbits_shifted;
int our_interrupt = 0;
int isFastResponse;
u32 index, handle;
bellbits = src_readl(dev, MUnit.ODR_R);
if (bellbits & PmDoorBellResponseSent) {
bellbits = PmDoorBellResponseSent;
/* handle async. status */
our_interrupt = 1;
index = dev->host_rrq_idx;
if (dev->host_rrq[index] == 0) {
u32 old_index = index;
/* adjust index */
do {
index++;
if (index == dev->scsi_host_ptr->can_queue +
AAC_NUM_MGT_FIB)
index = 0;
if (dev->host_rrq[index] != 0)
break;
} while (index != old_index);
dev->host_rrq_idx = index;
}
for (;;) {
isFastResponse = 0;
/* remove toggle bit (31) */
handle = (dev->host_rrq[index] & 0x7fffffff);
/* check fast response bit (30) */
if (handle & 0x40000000)
isFastResponse = 1;
handle &= 0x0000ffff;
if (handle == 0)
break;
aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL);
dev->host_rrq[index++] = 0;
if (index == dev->scsi_host_ptr->can_queue +
AAC_NUM_MGT_FIB)
index = 0;
dev->host_rrq_idx = index;
}
} else {
bellbits_shifted = (bellbits >> SRC_ODR_SHIFT);
if (bellbits_shifted & DoorBellAifPending) {
our_interrupt = 1;
/* handle AIF */
aac_intr_normal(dev, 0, 2, 0, NULL);
}
}
if (our_interrupt) {
src_writel(dev, MUnit.ODR_C, bellbits);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
/**
* aac_src_disable_interrupt - Disable interrupts
* @dev: Adapter
*/
static void aac_src_disable_interrupt(struct aac_dev *dev)
{
src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff);
}
/**
* aac_src_enable_interrupt_message - Enable interrupts
* @dev: Adapter
*/
static void aac_src_enable_interrupt_message(struct aac_dev *dev)
{
src_writel(dev, MUnit.OIMR, dev->OIMR = 0xfffffff8);
}
/**
* src_sync_cmd - send a command and wait
* @dev: Adapter
* @command: Command to execute
* @p1: first parameter
* @ret: adapter status
*
* This routine will send a synchronous command to the adapter and wait
* for its completion.
*/
static int src_sync_cmd(struct aac_dev *dev, u32 command,
u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4)
{
unsigned long start;
int ok;
/*
* Write the command into Mailbox 0
*/
writel(command, &dev->IndexRegs->Mailbox[0]);
/*
* Write the parameters into Mailboxes 1 - 6
*/
writel(p1, &dev->IndexRegs->Mailbox[1]);
writel(p2, &dev->IndexRegs->Mailbox[2]);
writel(p3, &dev->IndexRegs->Mailbox[3]);
writel(p4, &dev->IndexRegs->Mailbox[4]);
/*
* Clear the synch command doorbell to start on a clean slate.
*/
src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT);
/*
* Disable doorbell interrupts
*/
src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff);
/*
* Force the completion of the mask register write before issuing
* the interrupt.
*/
src_readl(dev, MUnit.OIMR);
/*
* Signal that there is a new synch command
*/
src_writel(dev, MUnit.IDR, INBOUNDDOORBELL_0 << SRC_IDR_SHIFT);
ok = 0;
start = jiffies;
/*
* Wait up to 30 seconds
*/
while (time_before(jiffies, start+30*HZ)) {
/* Delay 5 microseconds to let Mon960 get info. */
udelay(5);
/* Mon960 will set doorbell0 bit
* when it has completed the command
*/
if ((src_readl(dev, MUnit.ODR_R) >> SRC_ODR_SHIFT) & OUTBOUNDDOORBELL_0) {
/* Clear the doorbell */
src_writel(dev,
MUnit.ODR_C,
OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT);
ok = 1;
break;
}
/* Yield the processor in case we are slow */
msleep(1);
}
if (unlikely(ok != 1)) {
/* Restore interrupt mask even though we timed out */
aac_adapter_enable_int(dev);
return -ETIMEDOUT;
}
/* Pull the synch status from Mailbox 0 */
if (status)
*status = readl(&dev->IndexRegs->Mailbox[0]);
if (r1)
*r1 = readl(&dev->IndexRegs->Mailbox[1]);
if (r2)
*r2 = readl(&dev->IndexRegs->Mailbox[2]);
if (r3)
*r3 = readl(&dev->IndexRegs->Mailbox[3]);
if (r4)
*r4 = readl(&dev->IndexRegs->Mailbox[4]);
/* Clear the synch command doorbell */
src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT);
/* Restore interrupt mask */
aac_adapter_enable_int(dev);
return 0;
}
/**
* aac_src_interrupt_adapter - interrupt adapter
* @dev: Adapter
*
* Send an interrupt to the i960 and breakpoint it.
*/
static void aac_src_interrupt_adapter(struct aac_dev *dev)
{
src_sync_cmd(dev, BREAKPOINT_REQUEST,
0, 0, 0, 0, 0, 0,
NULL, NULL, NULL, NULL, NULL);
}
/**
* aac_src_notify_adapter - send an event to the adapter
* @dev: Adapter
* @event: Event to send
*
* Notify the i960 that something it probably cares about has
* happened.
*/
static void aac_src_notify_adapter(struct aac_dev *dev, u32 event)
{
switch (event) {
case AdapNormCmdQue:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_1 << SRC_ODR_SHIFT);
break;
case HostNormRespNotFull:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_4 << SRC_ODR_SHIFT);
break;
case AdapNormRespQue:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_2 << SRC_ODR_SHIFT);
break;
case HostNormCmdNotFull:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_3 << SRC_ODR_SHIFT);
break;
case FastIo:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_6 << SRC_ODR_SHIFT);
break;
case AdapPrintfDone:
src_writel(dev, MUnit.ODR_C,
INBOUNDDOORBELL_5 << SRC_ODR_SHIFT);
break;
default:
BUG();
break;
}
}
/**
* aac_src_start_adapter - activate adapter
* @dev: Adapter
*
* Start up processing on an i960 based AAC adapter
*/
static void aac_src_start_adapter(struct aac_dev *dev)
{
struct aac_init *init;
init = dev->init;
init->HostElapsedSeconds = cpu_to_le32(get_seconds());
/* We can only use a 32 bit address here */
src_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa,
0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
}
/**
* aac_src_check_health
* @dev: device to check if healthy
*
* Will attempt to determine if the specified adapter is alive and
* capable of handling requests, returning 0 if alive.
*/
static int aac_src_check_health(struct aac_dev *dev)
{
u32 status = src_readl(dev, MUnit.OMR);
/*
* Check to see if the board failed any self tests.
*/
if (unlikely(status & SELF_TEST_FAILED))
return -1;
/*
* Check to see if the board panic'd.
*/
if (unlikely(status & KERNEL_PANIC))
return (status >> 16) & 0xFF;
/*
* Wait for the adapter to be up and running.
*/
if (unlikely(!(status & KERNEL_UP_AND_RUNNING)))
return -3;
/*
* Everything is OK
*/
return 0;
}
/**
* aac_src_deliver_message
* @fib: fib to issue
*
* Will send a fib, returning 0 if successful.
*/
static int aac_src_deliver_message(struct fib *fib)
{
struct aac_dev *dev = fib->dev;
struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
unsigned long qflags;
u32 fibsize;
u64 address;
struct aac_fib_xporthdr *pFibX;
spin_lock_irqsave(q->lock, qflags);
q->numpending++;
spin_unlock_irqrestore(q->lock, qflags);
/* Calculate the amount to the fibsize bits */
fibsize = (sizeof(struct aac_fib_xporthdr) +
fib->hw_fib_va->header.Size + 127) / 128 - 1;
if (fibsize > (ALIGN32 - 1))
fibsize = ALIGN32 - 1;
/* Fill XPORT header */
pFibX = (struct aac_fib_xporthdr *)
((unsigned char *)fib->hw_fib_va -
sizeof(struct aac_fib_xporthdr));
pFibX->Handle = fib->hw_fib_va->header.SenderData + 1;
pFibX->HostAddress = fib->hw_fib_pa;
pFibX->Size = fib->hw_fib_va->header.Size;
address = fib->hw_fib_pa - (u64)sizeof(struct aac_fib_xporthdr);
src_writel(dev, MUnit.IQ_H, (u32)(address >> 32));
src_writel(dev, MUnit.IQ_L, (u32)(address & 0xffffffff) + fibsize);
return 0;
}
/**
* aac_src_ioremap
* @size: mapping resize request
*
*/
static int aac_src_ioremap(struct aac_dev *dev, u32 size)
{
if (!size) {
iounmap(dev->regs.src.bar0);
dev->regs.src.bar0 = NULL;
iounmap(dev->base);
dev->base = NULL;
return 0;
}
dev->regs.src.bar1 = ioremap(pci_resource_start(dev->pdev, 2),
AAC_MIN_SRC_BAR1_SIZE);
dev->base = NULL;
if (dev->regs.src.bar1 == NULL)
return -1;
dev->base = dev->regs.src.bar0 = ioremap(dev->scsi_host_ptr->base,
size);
if (dev->base == NULL) {
iounmap(dev->regs.src.bar1);
dev->regs.src.bar1 = NULL;
return -1;
}
dev->IndexRegs = &((struct src_registers __iomem *)
dev->base)->IndexRegs;
return 0;
}
static int aac_src_restart_adapter(struct aac_dev *dev, int bled)
{
u32 var, reset_mask;
if (bled >= 0) {
if (bled)
printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
dev->name, dev->id, bled);
bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS,
0, 0, 0, 0, 0, 0, &var, &reset_mask, NULL, NULL, NULL);
if (bled || (var != 0x00000001))
bled = -EINVAL;
if (dev->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_DOORBELL_RESET) {
src_writel(dev, MUnit.IDR, reset_mask);
msleep(5000); /* Delay 5 seconds */
}
}
if (src_readl(dev, MUnit.OMR) & KERNEL_PANIC)
return -ENODEV;
if (startup_timeout < 300)
startup_timeout = 300;
return 0;
}
/**
* aac_src_select_comm - Select communications method
* @dev: Adapter
* @comm: communications method
*/
int aac_src_select_comm(struct aac_dev *dev, int comm)
{
switch (comm) {
case AAC_COMM_MESSAGE:
dev->a_ops.adapter_enable_int = aac_src_enable_interrupt_message;
dev->a_ops.adapter_intr = aac_src_intr_message;
dev->a_ops.adapter_deliver = aac_src_deliver_message;
break;
default:
return 1;
}
return 0;
}
/**
* aac_src_init - initialize an Cardinal Frey Bar card
* @dev: device to configure
*
*/
int aac_src_init(struct aac_dev *dev)
{
unsigned long start;
unsigned long status;
int restart = 0;
int instance = dev->id;
const char *name = dev->name;
dev->a_ops.adapter_ioremap = aac_src_ioremap;
dev->a_ops.adapter_comm = aac_src_select_comm;
dev->base_size = AAC_MIN_SRC_BAR0_SIZE;
if (aac_adapter_ioremap(dev, dev->base_size)) {
printk(KERN_WARNING "%s: unable to map adapter.\n", name);
goto error_iounmap;
}
/* Failure to reset here is an option ... */
dev->a_ops.adapter_sync_cmd = src_sync_cmd;
dev->a_ops.adapter_enable_int = aac_src_disable_interrupt;
if ((aac_reset_devices || reset_devices) &&
!aac_src_restart_adapter(dev, 0))
++restart;
/*
* Check to see if the board panic'd while booting.
*/
status = src_readl(dev, MUnit.OMR);
if (status & KERNEL_PANIC) {
if (aac_src_restart_adapter(dev, aac_src_check_health(dev)))
goto error_iounmap;
++restart;
}
/*
* Check to see if the board failed any self tests.
*/
status = src_readl(dev, MUnit.OMR);
if (status & SELF_TEST_FAILED) {
printk(KERN_ERR "%s%d: adapter self-test failed.\n",
dev->name, instance);
goto error_iounmap;
}
/*
* Check to see if the monitor panic'd while booting.
*/
if (status & MONITOR_PANIC) {
printk(KERN_ERR "%s%d: adapter monitor panic.\n",
dev->name, instance);
goto error_iounmap;
}
start = jiffies;
/*
* Wait for the adapter to be up and running. Wait up to 3 minutes
*/
while (!((status = src_readl(dev, MUnit.OMR)) &
KERNEL_UP_AND_RUNNING)) {
if ((restart &&
(status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) ||
time_after(jiffies, start+HZ*startup_timeout)) {
printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n",
dev->name, instance, status);
goto error_iounmap;
}
if (!restart &&
((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) ||
time_after(jiffies, start + HZ *
((startup_timeout > 60)
? (startup_timeout - 60)
: (startup_timeout / 2))))) {
if (likely(!aac_src_restart_adapter(dev,
aac_src_check_health(dev))))
start = jiffies;
++restart;
}
msleep(1);
}
if (restart && aac_commit)
aac_commit = 1;
/*
* Fill in the common function dispatch table.
*/
dev->a_ops.adapter_interrupt = aac_src_interrupt_adapter;
dev->a_ops.adapter_disable_int = aac_src_disable_interrupt;
dev->a_ops.adapter_notify = aac_src_notify_adapter;
dev->a_ops.adapter_sync_cmd = src_sync_cmd;
dev->a_ops.adapter_check_health = aac_src_check_health;
dev->a_ops.adapter_restart = aac_src_restart_adapter;
/*
* First clear out all interrupts. Then enable the one's that we
* can handle.
*/
aac_adapter_comm(dev, AAC_COMM_MESSAGE);
aac_adapter_disable_int(dev);
src_writel(dev, MUnit.ODR_C, 0xffffffff);
aac_adapter_enable_int(dev);
if (aac_init_adapter(dev) == NULL)
goto error_iounmap;
if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE1)
goto error_iounmap;
dev->msi = aac_msi && !pci_enable_msi(dev->pdev);
if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) {
if (dev->msi)
pci_disable_msi(dev->pdev);
printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
name, instance);
goto error_iounmap;
}
dev->dbg_base = pci_resource_start(dev->pdev, 2);
dev->dbg_base_mapped = dev->regs.src.bar1;
dev->dbg_size = AAC_MIN_SRC_BAR1_SIZE;
aac_adapter_enable_int(dev);
/*
* Tell the adapter that all is configured, and it can
* start accepting requests
*/
aac_src_start_adapter(dev);
return 0;
error_iounmap:
return -1;
}