patch-2.4.20 linux-2.4.20/drivers/scsi/aacraid/aachba.c
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- Lines: 1359
- Date:
Thu Nov 28 15:53:14 2002
- Orig file:
linux-2.4.19/drivers/scsi/aacraid/aachba.c
- Orig date:
Fri Aug 2 17:39:44 2002
diff -urN linux-2.4.19/drivers/scsi/aacraid/aachba.c linux-2.4.20/drivers/scsi/aacraid/aachba.c
@@ -42,6 +42,8 @@
#include "aacraid.h"
/* SCSI Commands */
+/* TODO: dmb - use the ones defined in include/scsi/scsi.h */
+
#define SS_TEST 0x00 /* Test unit ready */
#define SS_REZERO 0x01 /* Rezero unit */
#define SS_REQSEN 0x03 /* Request Sense */
@@ -60,19 +62,19 @@
#define SS_SEEK 0x2B /* Seek */
/* values for inqd_pdt: Peripheral device type in plain English */
-#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
-#define INQD_PDT_PROC 0x03 /* Processor device */
-#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
-#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
-#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
-#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
-
-#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
-#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
-
-#define TARGET_LUN_TO_CONTAINER(target, lun) (((lun) << 4) | target)
-#define CONTAINER_TO_TARGET(cont) ((cont) & 0xf)
-#define CONTAINER_TO_LUN(cont) ((cont) >> 4)
+#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
+#define INQD_PDT_PROC 0x03 /* Processor device */
+#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
+#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
+#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
+#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
+
+#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
+#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
+
+#define TARGET_LUN_TO_CONTAINER(target, lun) (target)
+#define CONTAINER_TO_TARGET(cont) ((cont))
+#define CONTAINER_TO_LUN(cont) (0)
#define MAX_FIB_DATA (sizeof(struct hw_fib) - sizeof(FIB_HEADER))
@@ -81,22 +83,22 @@
/*
* Sense keys
*/
-#define SENKEY_NO_SENSE 0x00
-#define SENKEY_UNDEFINED 0x01
-#define SENKEY_NOT_READY 0x02
-#define SENKEY_MEDIUM_ERR 0x03
-#define SENKEY_HW_ERR 0x04
-#define SENKEY_ILLEGAL 0x05
-#define SENKEY_ATTENTION 0x06
-#define SENKEY_PROTECTED 0x07
-#define SENKEY_BLANK 0x08
-#define SENKEY_V_UNIQUE 0x09
-#define SENKEY_CPY_ABORT 0x0A
-#define SENKEY_ABORT 0x0B
-#define SENKEY_EQUAL 0x0C
-#define SENKEY_VOL_OVERFLOW 0x0D
-#define SENKEY_MISCOMP 0x0E
-#define SENKEY_RESERVED 0x0F
+#define SENKEY_NO_SENSE 0x00
+#define SENKEY_UNDEFINED 0x01
+#define SENKEY_NOT_READY 0x02
+#define SENKEY_MEDIUM_ERR 0x03
+#define SENKEY_HW_ERR 0x04
+#define SENKEY_ILLEGAL 0x05
+#define SENKEY_ATTENTION 0x06
+#define SENKEY_PROTECTED 0x07
+#define SENKEY_BLANK 0x08
+#define SENKEY_V_UNIQUE 0x09
+#define SENKEY_CPY_ABORT 0x0A
+#define SENKEY_ABORT 0x0B
+#define SENKEY_EQUAL 0x0C
+#define SENKEY_VOL_OVERFLOW 0x0D
+#define SENKEY_MISCOMP 0x0E
+#define SENKEY_RESERVED 0x0F
/*
* Sense codes
@@ -160,16 +162,16 @@
*----------------------------------------------------------------------------*/
/* SCSI inquiry data */
struct inquiry_data {
- u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
- u8 inqd_dtq; /* RMB | Device Type Qualifier */
- u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
- u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
- u8 inqd_len; /* Additional length (n-4) */
- u8 inqd_pad1[2];/* Reserved - must be zero */
- u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
- u8 inqd_vid[8]; /* Vendor ID */
- u8 inqd_pid[16];/* Product ID */
- u8 inqd_prl[4]; /* Product Revision Level */
+ u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
+ u8 inqd_dtq; /* RMB | Device Type Qualifier */
+ u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
+ u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
+ u8 inqd_len; /* Additional length (n-4) */
+ u8 inqd_pad1[2]; /* Reserved - must be zero */
+ u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
+ u8 inqd_vid[8]; /* Vendor ID */
+ u8 inqd_pid[16]; /* Product ID */
+ u8 inqd_prl[4]; /* Product Revision Level */
};
struct sense_data {
@@ -215,6 +217,12 @@
static struct fsa_scsi_hba *fsa_dev[MAXIMUM_NUM_ADAPTERS]; /* SCSI Device Instance Pointers */
static struct sense_data sense_data[MAXIMUM_NUM_CONTAINERS];
static void get_sd_devname(int disknum, char *buffer);
+static unsigned long aac_build_sg(Scsi_Cmnd* scsicmd, struct sgmap* sgmap);
+static unsigned long aac_build_sg64(Scsi_Cmnd* scsicmd, struct sgmap64* psg);
+static int aac_send_srb_fib(Scsi_Cmnd* scsicmd);
+#ifdef AAC_DETAILED_STATUS_INFO
+static char *aac_get_status_string(u32 status);
+#endif
/**
* aac_get_containers - list containers
@@ -225,7 +233,7 @@
int aac_get_containers(struct aac_dev *dev)
{
struct fsa_scsi_hba *fsa_dev_ptr;
- int index, status = 0;
+ u32 index, status = 0;
struct aac_query_mount *dinfo;
struct aac_mount *dresp;
struct fib * fibptr;
@@ -396,9 +404,8 @@
struct scsi_inq *str;
char *findit;
struct aac_driver_ident *mp;
- extern struct aac_driver_ident aac_drivers[]; /* HACK FIXME */
- mp = &aac_drivers[devtype];
+ mp = aac_get_driver_ident(devtype);
str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
@@ -413,19 +420,19 @@
if (tindex < (sizeof(container_types)/sizeof(char *))){
inqstrcpy (container_types[tindex], findit);
}
- inqstrcpy ("0001", str->prl);
+ inqstrcpy ("V1.0", str->prl);
}
-void set_sense(char *sense_buf, u8 sense_key, u8 sense_code,
+void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
u8 a_sense_code, u8 incorrect_length,
- u8 bit_pointer, unsigned field_pointer,
- unsigned long residue)
+ u8 bit_pointer, u16 field_pointer,
+ u32 residue)
{
sense_buf[0] = 0xF0; /* Sense data valid, err code 70h (current error) */
sense_buf[1] = 0; /* Segment number, always zero */
if (incorrect_length) {
- sense_buf[2] = sense_key | 0x20; /* Set the ILI bit | sense key */
+ sense_buf[2] = sense_key | 0x20; /* Set ILI bit | sense key */
sense_buf[3] = BYTE3(residue);
sense_buf[4] = BYTE2(residue);
sense_buf[5] = BYTE1(residue);
@@ -469,13 +476,76 @@
scsicmd->scsi_done(scsicmd);
}
+int aac_get_adapter_info(struct aac_dev* dev)
+{
+ struct fib* fibptr;
+ struct aac_adapter_info* info;
+ int rcode;
+ u32 tmp;
+ if (!(fibptr = fib_alloc(dev)))
+ return -ENOMEM;
+
+ fib_init(fibptr);
+ info = (struct aac_adapter_info*) fib_data(fibptr);
+
+ memset(info,0,sizeof(struct aac_adapter_info));
+
+ rcode = fib_send(RequestAdapterInfo,
+ fibptr,
+ sizeof(struct aac_adapter_info),
+ FsaNormal,
+ 1, 1,
+ NULL,
+ NULL);
+
+ memcpy(&dev->adapter_info, info, sizeof(struct aac_adapter_info));
+
+ tmp = dev->adapter_info.kernelrev;
+ printk(KERN_INFO "%s%d: kernel %d.%d.%d build %d\n",
+ dev->name, dev->id,
+ tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
+ dev->adapter_info.kernelbuild);
+ tmp = dev->adapter_info.monitorrev;
+ printk(KERN_INFO "%s%d: monitor %d.%d.%d build %d\n",
+ dev->name, dev->id,
+ tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
+ dev->adapter_info.monitorbuild);
+ tmp = dev->adapter_info.biosrev;
+ printk(KERN_INFO "%s%d: bios %d.%d.%d build %d\n",
+ dev->name, dev->id,
+ tmp>>24,(tmp>>16)&0xff,(tmp>>8)&0xff,
+ dev->adapter_info.biosbuild);
+ printk(KERN_INFO "%s%d: serial %x%x\n",
+ dev->name, dev->id,
+ dev->adapter_info.serial[0],
+ dev->adapter_info.serial[1]);
+ dev->pae_support = 0;
+ dev->nondasd_support = 0;
+ if( BITS_PER_LONG >= 64 &&
+ (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
+ printk(KERN_INFO "%s%d: 64 Bit PAE enabled\n", dev->name, dev->id);
+ dev->pae_support = 1;
+ }
+ /* TODO - dmb temporary until fw can set this bit */
+ dev->pae_support = (BITS_PER_LONG >= 64);
+ if(dev->pae_support != 0) {
+ printk(KERN_INFO "%s%d: 64 Bit PAE enabled\n", dev->name, dev->id);
+ }
+
+ if(dev->adapter_info.options & AAC_OPT_NONDASD){
+ dev->nondasd_support = 1;
+ }
+ return rcode;
+}
+
+
static void read_callback(void *context, struct fib * fibptr)
{
struct aac_dev *dev;
struct aac_read_reply *readreply;
Scsi_Cmnd *scsicmd;
- unsigned long lba;
- int cid;
+ u32 lba;
+ u32 cid;
scsicmd = (Scsi_Cmnd *) context;
@@ -483,7 +553,7 @@
cid =TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %ld, t = %ld.\n", smp_processor_id(), lba, jiffies));
+ dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %d, t = %ld.\n", smp_processor_id(), lba, jiffies));
if (fibptr == NULL)
BUG();
@@ -494,7 +564,7 @@
scsicmd->use_sg,
scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, (dma_addr_t)(long)scsicmd->SCp.ptr,
+ pci_unmap_single(dev->pdev, (dma_addr_t)(unsigned long)scsicmd->SCp.ptr,
scsicmd->request_bufflen,
scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
readreply = (struct aac_read_reply *)fib_data(fibptr);
@@ -503,7 +573,7 @@
else {
printk(KERN_WARNING "read_callback: read failed, status = %d\n", readreply->status);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((char *) &sense_data[cid],
+ set_sense((u8 *) &sense_data[cid],
SENKEY_HW_ERR,
SENCODE_INTERNAL_TARGET_FAILURE,
ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
@@ -520,15 +590,15 @@
struct aac_dev *dev;
struct aac_write_reply *writereply;
Scsi_Cmnd *scsicmd;
- unsigned long lba;
- int cid;
+ u32 lba;
+ u32 cid;
scsicmd = (Scsi_Cmnd *) context;
dev = (struct aac_dev *)scsicmd->host->hostdata;
cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %ld, t = %ld.\n", smp_processor_id(), lba, jiffies));
+ dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %d, t = %ld.\n", smp_processor_id(), lba, jiffies));
if (fibptr == NULL)
BUG();
@@ -538,7 +608,7 @@
scsicmd->use_sg,
scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, (dma_addr_t)(long)scsicmd->SCp.ptr,
+ pci_unmap_single(dev->pdev, (dma_addr_t)(unsigned long)scsicmd->SCp.ptr,
scsicmd->request_bufflen,
scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
@@ -548,7 +618,7 @@
else {
printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((char *) &sense_data[cid],
+ set_sense((u8 *) &sense_data[cid],
SENKEY_HW_ERR,
SENCODE_INTERNAL_TARGET_FAILURE,
ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
@@ -562,12 +632,10 @@
int aac_read(Scsi_Cmnd * scsicmd, int cid)
{
- unsigned long lba;
- unsigned long count;
- unsigned long byte_count = 0;
+ u32 lba;
+ u32 count;
int status;
- struct aac_read *readcmd;
u16 fibsize;
struct aac_dev *dev;
struct fib * cmd_fibcontext;
@@ -591,7 +659,7 @@
lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
}
- dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %lu, t = %ld.\n", smp_processor_id(), lba, jiffies));
+ dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
/*
* Alocate and initialize a Fib
*/
@@ -603,71 +671,58 @@
fib_init(cmd_fibcontext);
- readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
- readcmd->command = cpu_to_le32(VM_CtBlockRead);
- readcmd->cid = cpu_to_le32(cid);
- readcmd->block = cpu_to_le32(lba);
- readcmd->count = cpu_to_le32(count * 512);
- readcmd->sg.count = cpu_to_le32(1);
-
- if (count * 512 > (64 * 1024))
- BUG();
- /*
- * Build Scatter/Gather list
- */
- if (scsicmd->use_sg) /* use scatter/gather list */
- {
- struct scatterlist *sg;
- int i;
- int sg_count;
-
- sg = (struct scatterlist *) scsicmd->request_buffer;
+ if(dev->pae_support == 1){
+ struct aac_read64 *readcmd;
+ readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
+ readcmd->command = cpu_to_le32(VM_CtHostRead64);
+ readcmd->cid = cpu_to_le16(cid);
+ readcmd->sector_count = cpu_to_le16(count);
+ readcmd->block = cpu_to_le32(lba);
+ readcmd->pad = cpu_to_le16(0);
+ readcmd->flags = cpu_to_le16(0);
- sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
-
- byte_count = 0;
-
- for (i = 0; i < sg_count; i++) {
- readcmd->sg.sg[i].addr = cpu_to_le32(sg_dma_address(sg));
- readcmd->sg.sg[i].count = cpu_to_le32(sg_dma_len(sg));
- byte_count += sg->length;
- if (sg->length > (64 * 1024))
- BUG();
- sg++;
- }
- readcmd->sg.count = cpu_to_le32(sg_count);
-
- if (sg_count > MAX_DRIVER_SG_SEGMENT_COUNT)
+ aac_build_sg64(scsicmd, &readcmd->sg);
+ if(readcmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
BUG();
- }
- else if(scsicmd->request_bufflen)
- {
- dma_addr_t addr;
- addr = pci_map_single(dev->pdev, scsicmd->request_buffer,
- scsicmd->request_bufflen, scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
- scsicmd->SCp.ptr = (void *)(long)addr;
- readcmd->sg.sg[0].addr = cpu_to_le32(addr);
- readcmd->sg.sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
+ fibsize = sizeof(struct aac_read64) + ((readcmd->sg.count - 1) * sizeof (struct sgentry64));
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerCommand64,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) read_callback,
+ (void *) scsicmd);
+ } else {
+ struct aac_read *readcmd;
+ readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
+ readcmd->command = cpu_to_le32(VM_CtBlockRead);
+ readcmd->cid = cpu_to_le32(cid);
+ readcmd->block = cpu_to_le32(lba);
+ readcmd->count = cpu_to_le32(count * 512);
- byte_count = scsicmd->request_bufflen;
+ if (count * 512 > (64 * 1024))
+ BUG();
- if (byte_count > (64 * 1024))
+ aac_build_sg(scsicmd, &readcmd->sg);
+ if(readcmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
BUG();
- }
- if (byte_count != readcmd->count)
- BUG();
- /*
- * Now send the Fib to the adapter
- */
- fibsize = sizeof(struct aac_read) + ((readcmd->sg.count - 1) * sizeof (struct sgentry));
- status = fib_send(ContainerCommand,
+ fibsize = sizeof(struct aac_read) + ((readcmd->sg.count - 1) * sizeof (struct sgentry));
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerCommand,
cmd_fibcontext,
fibsize,
FsaNormal,
0, 1,
(fib_callback) read_callback,
(void *) scsicmd);
+ }
+
+
/*
* Check that the command queued to the controller
*/
@@ -687,11 +742,9 @@
static int aac_write(Scsi_Cmnd * scsicmd, int cid)
{
- unsigned long lba;
- unsigned long count;
- unsigned long byte_count = 0;
+ u32 lba;
+ u32 count;
int status;
- struct aac_write *writecmd;
u16 fibsize;
struct aac_dev *dev;
struct fib * cmd_fibcontext;
@@ -722,75 +775,61 @@
}
fib_init(cmd_fibcontext);
- writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
- writecmd->command = cpu_to_le32(VM_CtBlockWrite);
- writecmd->cid = cpu_to_le32(cid);
- writecmd->block = cpu_to_le32(lba);
- writecmd->count = cpu_to_le32(count * 512);
- writecmd->sg.count = cpu_to_le32(1);
- /* FIXME: why isnt ->stable setup */
-
- if (count * 512 > (64 * 1024)) {
- BUG();
- }
- /*
- * Build Scatter/Gather list
- */
- if (scsicmd->use_sg)
+ if(dev->pae_support == 1)
{
- struct scatterlist *sg;
- int i;
- int sg_count;
-
- sg = (struct scatterlist *) scsicmd->request_buffer;
+ struct aac_write64 *writecmd;
+ writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
+ writecmd->command = cpu_to_le32(VM_CtHostWrite64);
+ writecmd->cid = cpu_to_le16(cid);
+ writecmd->sector_count = cpu_to_le16(count);
+ writecmd->block = cpu_to_le32(lba);
+ writecmd->pad = cpu_to_le16(0);
+ writecmd->flags = cpu_to_le16(0);
- sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
-
- byte_count = 0;
-
- for (i = 0; i < scsicmd->use_sg; i++) {
- writecmd->sg.sg[i].addr = cpu_to_le32(sg_dma_address(sg));
- writecmd->sg.sg[i].count = cpu_to_le32(sg_dma_len(sg));
- byte_count += sg->length;
-
- if (sg->length > (64 * 1024))
- BUG();
- sg++;
- }
- writecmd->sg.count = cpu_to_le32(sg_count);
-
- if (sg_count > MAX_DRIVER_SG_SEGMENT_COUNT)
+ aac_build_sg64(scsicmd, &writecmd->sg);
+ if(writecmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
BUG();
+ fibsize = sizeof(struct aac_write64) + ((writecmd->sg.count - 1) * sizeof (struct sgentry64));
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerCommand64,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) write_callback,
+ (void *) scsicmd);
}
- else if(scsicmd->request_bufflen)
+ else
{
- dma_addr_t addr;
- addr = pci_map_single(dev->pdev,
- scsicmd->request_buffer,
- scsicmd->request_bufflen,
- scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
- writecmd->sg.sg[0].addr = cpu_to_le32(addr);
- writecmd->sg.sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
- scsicmd->SCp.ptr = (void *)(long)addr;
- byte_count = scsicmd->request_bufflen;
+ struct aac_write *writecmd;
+ writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
+ writecmd->command = cpu_to_le32(VM_CtBlockWrite);
+ writecmd->cid = cpu_to_le32(cid);
+ writecmd->block = cpu_to_le32(lba);
+ writecmd->count = cpu_to_le32(count * 512);
+ writecmd->sg.count = cpu_to_le32(1);
+ /* ->stable is not used - it did mean which type of write */
- if (byte_count > (64 * 1024))
+ if (count * 512 > (64 * 1024))
+ BUG();
+ aac_build_sg(scsicmd, &writecmd->sg);
+ if(writecmd->sg.count > MAX_DRIVER_SG_SEGMENT_COUNT)
BUG();
+ fibsize = sizeof(struct aac_write) + ((writecmd->sg.count - 1) * sizeof (struct sgentry));
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerCommand,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) write_callback,
+ (void *) scsicmd);
}
- if (byte_count != writecmd->count)
- BUG();
- /*
- * Now send the Fib to the adapter
- */
- fibsize = sizeof (struct aac_write) + ((writecmd->sg.count - 1) * sizeof (struct sgentry));
- status = fib_send(ContainerCommand,
- cmd_fibcontext,
- fibsize, FsaNormal,
- 0, 1,
- (fib_callback) write_callback,
- (void *) scsicmd);
/*
* Check that the command queued to the controller
*/
@@ -821,7 +860,7 @@
int aac_scsi_cmd(Scsi_Cmnd * scsicmd)
{
- int cid = 0;
+ u32 cid = 0;
struct fsa_scsi_hba *fsa_dev_ptr;
int cardtype;
int ret;
@@ -837,159 +876,174 @@
* itself.
*/
if (scsicmd->target != scsicmd->host->this_id) {
- if ((scsicmd->channel > 0) ||(scsicmd->target > 15) || (scsicmd->lun > 7))
- {
- dprintk((KERN_DEBUG "The bus, target or lun is out of range = %d, %d, %d.\n",
- scsicmd->channel, scsicmd->target, scsicmd->lun));
- scsicmd->result = DID_BAD_TARGET << 16;
- __aac_io_done(scsicmd);
- return -1;
- }
- cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
- /*
- * If the target container doesn't exist, it may have
- * been newly created
- */
- if (fsa_dev_ptr->valid[cid] == 0) {
- switch (scsicmd->cmnd[0]) {
- case SS_INQUIR:
- case SS_RDCAP:
- case SS_TEST:
- spin_unlock_irq(&io_request_lock);
- probe_container(dev, cid);
- spin_lock_irq(&io_request_lock);
- default:
- break;
+ if ((scsicmd->channel == 0) ){
+ if( (scsicmd->target >= AAC_MAX_TARGET) || (scsicmd->lun != 0)){
+ scsicmd->result = DID_NO_CONNECT << 16;
+ __aac_io_done(scsicmd);
+ return 0;
+ }
+ cid = TARGET_LUN_TO_CONTAINER(scsicmd->target, scsicmd->lun);
+
+ /*
+ * If the target container doesn't exist, it may have
+ * been newly created
+ */
+ if (fsa_dev_ptr->valid[cid] == 0) {
+ switch (scsicmd->cmnd[0]) {
+ case SS_INQUIR:
+ case SS_RDCAP:
+ case SS_TEST:
+ spin_unlock_irq(&io_request_lock);
+ probe_container(dev, cid);
+ spin_lock_irq(&io_request_lock);
+ if (fsa_dev_ptr->valid[cid] == 0) {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ __aac_io_done(scsicmd);
+ return 0;
+ }
+ default:
+ break;
+ }
+ }
+ /*
+ * If the target container still doesn't exist,
+ * return failure
+ */
+ if (fsa_dev_ptr->valid[cid] == 0) {
+ scsicmd->result = DID_BAD_TARGET << 16;
+ __aac_io_done(scsicmd);
+ return -1;
+ }
+ } else { /* check for physical non-dasd devices */
+ if(dev->nondasd_support == 1){
+ return aac_send_srb_fib(scsicmd);
+ } else {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ __aac_io_done(scsicmd);
+ return 0;
}
}
- /*
- * If the target container still doesn't exist,
- * return failure
- */
- if (fsa_dev_ptr->valid[cid] == 0) {
- scsicmd->result = DID_BAD_TARGET << 16;
- __aac_io_done(scsicmd);
- return -1;
- }
- }
+ }
+ /*
+ * else Command for the controller itself
+ */
else if ((scsicmd->cmnd[0] != SS_INQUIR) && /* only INQUIRY & TUR cmnd supported for controller */
- (scsicmd->cmnd[0] != SS_TEST))
+ (scsicmd->cmnd[0] != SS_TEST))
{
- /*
- * Command aimed at the controller
- */
dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((char *) &sense_data[cid],
+ set_sense((u8 *) &sense_data[cid],
SENKEY_ILLEGAL,
SENCODE_INVALID_COMMAND,
ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
__aac_io_done(scsicmd);
return -1;
}
+
+
/* Handle commands here that don't really require going out to the adapter */
- switch (scsicmd->cmnd[0])
+ switch (scsicmd->cmnd[0]) {
+ case SS_INQUIR:
{
- case SS_INQUIR:
- {
- struct inquiry_data *inq_data_ptr;
-
- dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->target));
- inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
- memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
-
- inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */
- inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */
- inq_data_ptr->inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
- inq_data_ptr->inqd_len = 31;
+ struct inquiry_data *inq_data_ptr;
- /*
- * Set the Vendor, Product, and Revision Level
- * see: <vendor>.c i.e. aac.c
- */
- setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr->type[cid]);
- if (scsicmd->target == scsicmd->host->this_id)
- inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
- else
- inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- }
- case SS_RDCAP:
- {
- int capacity;
- char *cp;
-
- dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
- capacity = fsa_dev_ptr->size[cid] - 1;
- cp = scsicmd->request_buffer;
- cp[0] = (capacity >> 24) & 0xff;
- cp[1] = (capacity >> 16) & 0xff;
- cp[2] = (capacity >> 8) & 0xff;
- cp[3] = (capacity >> 0) & 0xff;
- cp[4] = 0;
- cp[5] = 0;
- cp[6] = 2;
- cp[7] = 0;
+ dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->target));
+ inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
+ memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
+
+ inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */
+ inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */
+ inq_data_ptr->inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
+ inq_data_ptr->inqd_len = 31;
+ /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
+ inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
+ /*
+ * Set the Vendor, Product, and Revision Level
+ * see: <vendor>.c i.e. aac.c
+ */
+ setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr->type[cid]);
+ if (scsicmd->target == scsicmd->host->this_id)
+ inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
+ else
+ inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
+ return 0;
+ }
+ case SS_RDCAP:
+ {
+ int capacity;
+ char *cp;
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
+ dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
+ capacity = fsa_dev_ptr->size[cid] - 1;
+ cp = scsicmd->request_buffer;
+ cp[0] = (capacity >> 24) & 0xff;
+ cp[1] = (capacity >> 16) & 0xff;
+ cp[2] = (capacity >> 8) & 0xff;
+ cp[3] = (capacity >> 0) & 0xff;
+ cp[4] = 0;
+ cp[5] = 0;
+ cp[6] = 2;
+ cp[7] = 0;
- return 0;
- }
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
- case SS_MODESEN:
- {
- char *mode_buf;
-
- dprintk((KERN_DEBUG "MODE SENSE command.\n"));
- mode_buf = scsicmd->request_buffer;
- mode_buf[0] = 0; /* Mode data length (MSB) */
- mode_buf[1] = 6; /* Mode data length (LSB) */
- mode_buf[2] = 0; /* Medium type - default */
- mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
- mode_buf[4] = 0; /* reserved */
- mode_buf[5] = 0; /* reserved */
- mode_buf[6] = 0; /* Block descriptor length (MSB) */
- mode_buf[7] = 0; /* Block descriptor length (LSB) */
+ return 0;
+ }
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
+ case SS_MODESEN:
+ {
+ char *mode_buf;
- return 0;
- }
- case SS_REQSEN:
- dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
- memcpy(scsicmd->sense_buffer, &sense_data[cid], sizeof (struct sense_data));
- memset(&sense_data[cid], 0, sizeof (struct sense_data));
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return (0);
+ dprintk((KERN_DEBUG "MODE SENSE command.\n"));
+ mode_buf = scsicmd->request_buffer;
+ mode_buf[0] = 0; /* Mode data length (MSB) */
+ mode_buf[1] = 6; /* Mode data length (LSB) */
+ mode_buf[2] = 0; /* Medium type - default */
+ mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
+ mode_buf[4] = 0; /* reserved */
+ mode_buf[5] = 0; /* reserved */
+ mode_buf[6] = 0; /* Block descriptor length (MSB) */
+ mode_buf[7] = 0; /* Block descriptor length (LSB) */
- case SS_LOCK:
- dprintk((KERN_DEBUG "LOCK command.\n"));
- if (scsicmd->cmnd[4])
- fsa_dev_ptr->locked[cid] = 1;
- else
- fsa_dev_ptr->locked[cid] = 0;
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return 0;
- /*
- * These commands are all No-Ops
- */
- case SS_TEST:
- case SS_RESERV:
- case SS_RELES:
- case SS_REZERO:
- case SS_REASGN:
- case SS_SEEK:
- case SS_ST_SP:
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
- __aac_io_done(scsicmd);
- return (0);
+ return 0;
+ }
+ case SS_REQSEN:
+ dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
+ memcpy(scsicmd->sense_buffer, &sense_data[cid], sizeof (struct sense_data));
+ memset(&sense_data[cid], 0, sizeof (struct sense_data));
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
+ return (0);
+
+ case SS_LOCK:
+ dprintk((KERN_DEBUG "LOCK command.\n"));
+ if (scsicmd->cmnd[4])
+ fsa_dev_ptr->locked[cid] = 1;
+ else
+ fsa_dev_ptr->locked[cid] = 0;
+
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
+ return 0;
+ /*
+ * These commands are all No-Ops
+ */
+ case SS_TEST:
+ case SS_RESERV:
+ case SS_RELES:
+ case SS_REZERO:
+ case SS_REASGN:
+ case SS_SEEK:
+ case SS_ST_SP:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | GOOD;
+ __aac_io_done(scsicmd);
+ return (0);
}
switch (scsicmd->cmnd[0])
@@ -1020,7 +1074,7 @@
*/
printk(KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
- set_sense((char *) &sense_data[cid],
+ set_sense((u8 *) &sense_data[cid],
SENKEY_ILLEGAL, SENCODE_INVALID_COMMAND,
ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
__aac_io_done(scsicmd);
@@ -1153,3 +1207,452 @@
}
}
+/**
+ *
+ * aac_srb_callback
+ * @context: the context set in the fib - here it is scsi cmd
+ * @fibptr: pointer to the fib
+ *
+ * Handles the completion of a scsi command to a non dasd device
+ *
+ */
+
+static void aac_srb_callback(void *context, struct fib * fibptr)
+{
+ struct aac_dev *dev;
+ struct aac_srb_reply *srbreply;
+ Scsi_Cmnd *scsicmd;
+
+ scsicmd = (Scsi_Cmnd *) context;
+ dev = (struct aac_dev *)scsicmd->host->hostdata;
+
+ if (fibptr == NULL)
+ BUG();
+
+ srbreply = (struct aac_srb_reply *) fib_data(fibptr);
+
+ scsicmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
+ // calculate resid for sg
+ scsicmd->resid = scsicmd->request_bufflen - srbreply->data_xfer_length;
+
+ if(scsicmd->use_sg)
+ pci_unmap_sg(dev->pdev,
+ (struct scatterlist *)scsicmd->buffer,
+ scsicmd->use_sg,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+ else if(scsicmd->request_bufflen)
+ pci_unmap_single(dev->pdev, (ulong)scsicmd->SCp.ptr, scsicmd->request_bufflen,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+
+ /*
+ * First check the fib status
+ */
+
+ if (le32_to_cpu(srbreply->status) != ST_OK){
+ int len;
+ printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
+ len = (srbreply->sense_data_size > sizeof(scsicmd->sense_buffer))?
+ sizeof(scsicmd->sense_buffer):srbreply->sense_data_size;
+ scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | CHECK_CONDITION;
+ memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
+ }
+
+ /*
+ * Next check the srb status
+ */
+ switch(le32_to_cpu(srbreply->srb_status)){
+ case SRB_STATUS_ERROR_RECOVERY:
+ case SRB_STATUS_PENDING:
+ case SRB_STATUS_SUCCESS:
+ if(scsicmd->cmnd[0] == INQUIRY ){
+ u8 b;
+ /* We can't expose disk devices because we can't tell whether they
+ * are the raw container drives or stand alone drives
+ */
+ b = *(u8*)scsicmd->buffer;
+ if( (b & 0x0f) == TYPE_DISK ){
+ scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+ }
+ } else {
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ }
+ break;
+ case SRB_STATUS_DATA_OVERRUN:
+ switch(scsicmd->cmnd[0]){
+ case READ_6:
+ case WRITE_6:
+ case READ_10:
+ case WRITE_10:
+ case READ_12:
+ case WRITE_12:
+ if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
+ printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
+ } else {
+ printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
+ }
+ scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
+ break;
+ default:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
+ break;
+ }
+ break;
+ case SRB_STATUS_ABORTED:
+ scsicmd->result = DID_ABORT << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_ABORT_FAILED:
+ // Not sure about this one - but assuming the hba was trying to abort for some reason
+ scsicmd->result = DID_ERROR << 16 | ABORT << 8;
+ break;
+ case SRB_STATUS_PARITY_ERROR:
+ scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
+ break;
+ case SRB_STATUS_NO_DEVICE:
+ case SRB_STATUS_INVALID_PATH_ID:
+ case SRB_STATUS_INVALID_TARGET_ID:
+ case SRB_STATUS_INVALID_LUN:
+ case SRB_STATUS_SELECTION_TIMEOUT:
+ scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_COMMAND_TIMEOUT:
+ case SRB_STATUS_TIMEOUT:
+ scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUSY:
+ scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_BUS_RESET:
+ scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
+ break;
+
+ case SRB_STATUS_MESSAGE_REJECTED:
+ scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
+ break;
+ case SRB_STATUS_REQUEST_FLUSHED:
+ case SRB_STATUS_ERROR:
+ case SRB_STATUS_INVALID_REQUEST:
+ case SRB_STATUS_REQUEST_SENSE_FAILED:
+ case SRB_STATUS_NO_HBA:
+ case SRB_STATUS_UNEXPECTED_BUS_FREE:
+ case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
+ case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
+ case SRB_STATUS_DELAYED_RETRY:
+ case SRB_STATUS_BAD_FUNCTION:
+ case SRB_STATUS_NOT_STARTED:
+ case SRB_STATUS_NOT_IN_USE:
+ case SRB_STATUS_FORCE_ABORT:
+ case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
+ default:
+#ifdef AAC_DETAILED_STATUS_INFO
+ printk("aacraid: SRB ERROR (%s)\n",aac_get_status_string(le32_to_cpu(srbreply->srb_status)));
+#endif
+ scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
+ break;
+ }
+ if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition
+ int len;
+ len = (srbreply->sense_data_size > sizeof(scsicmd->sense_buffer))?
+ sizeof(scsicmd->sense_buffer):srbreply->sense_data_size;
+ printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", le32_to_cpu(srbreply->status), len);
+ memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
+ }
+ /*
+ * OR in the scsi status (already shifted up a bit)
+ */
+ scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
+
+ fib_complete(fibptr);
+ fib_free(fibptr);
+ aac_io_done(scsicmd);
+}
+
+/**
+ *
+ * aac_send_scb_fib
+ * @scsicmd: the scsi command block
+ *
+ * This routine will form a FIB and fill in the aac_srb from the
+ * scsicmd passed in.
+ */
+
+static int aac_send_srb_fib(Scsi_Cmnd* scsicmd)
+{
+ struct fib* cmd_fibcontext;
+ struct aac_dev* dev;
+ int status;
+ struct aac_srb *srbcmd;
+ u16 fibsize;
+ u32 flag;
+
+ if( scsicmd->target > 15 || scsicmd->lun > 7) {
+ scsicmd->result = DID_NO_CONNECT << 16;
+ __aac_io_done(scsicmd);
+ return 0;
+ }
+
+ dev = (struct aac_dev *)scsicmd->host->hostdata;
+ switch(scsicmd->sc_data_direction){
+ case SCSI_DATA_WRITE:
+ flag = SRB_DataOut;
+ break;
+ case SCSI_DATA_UNKNOWN:
+ flag = SRB_DataIn | SRB_DataOut;
+ break;
+ case SCSI_DATA_READ:
+ flag = SRB_DataIn;
+ break;
+ case SCSI_DATA_NONE:
+ default:
+ flag = SRB_NoDataXfer;
+ break;
+ }
+
+
+ /*
+ * Allocate and initialize a Fib then setup a BlockWrite command
+ */
+ if (!(cmd_fibcontext = fib_alloc(dev))) {
+ scsicmd->result = DID_ERROR << 16;
+ __aac_io_done(scsicmd);
+ return -1;
+ }
+ fib_init(cmd_fibcontext);
+
+ srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
+ srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
+ srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scsicmd->channel));
+ srbcmd->target = cpu_to_le32(scsicmd->target);
+ srbcmd->lun = cpu_to_le32(scsicmd->lun);
+ srbcmd->flags = cpu_to_le32(flag);
+ srbcmd->timeout = cpu_to_le32(0); // timeout not used
+ srbcmd->retry_limit =cpu_to_le32(0); // Obsolete parameter
+ srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
+
+ if( dev->pae_support ==1 ) {
+ aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
+ srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
+
+ memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+ memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
+ /*
+ * Build Scatter/Gather list
+ */
+ fibsize = sizeof (struct aac_srb) + (((srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry64));
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ScsiPortCommand64, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
+ (fib_callback) aac_srb_callback, (void *) scsicmd);
+ } else {
+ aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
+ srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
+
+ memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+ memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
+ /*
+ * Build Scatter/Gather list
+ */
+ fibsize = sizeof (struct aac_srb) + (((srbcmd->sg.count & 0xff) - 1) * sizeof (struct sgentry));
+
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
+ (fib_callback) aac_srb_callback, (void *) scsicmd);
+ }
+ /*
+ * Check that the command queued to the controller
+ */
+ if (status == -EINPROGRESS){
+ return 0;
+ }
+
+ printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status);
+ /*
+ * For some reason, the Fib didn't queue, return QUEUE_FULL
+ */
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | QUEUE_FULL;
+ __aac_io_done(scsicmd);
+
+ fib_complete(cmd_fibcontext);
+ fib_free(cmd_fibcontext);
+
+ return -1;
+}
+
+static unsigned long aac_build_sg(Scsi_Cmnd* scsicmd, struct sgmap* psg)
+{
+ struct aac_dev *dev;
+ unsigned long byte_count = 0;
+
+ dev = (struct aac_dev *)scsicmd->host->hostdata;
+ // Get rid of old data
+ psg->count = cpu_to_le32(0);
+ psg->sg[0].addr = cpu_to_le32(NULL);
+ psg->sg[0].count = cpu_to_le32(0);
+ if (scsicmd->use_sg) {
+ struct scatterlist *sg;
+ int i;
+ int sg_count;
+ sg = (struct scatterlist *) scsicmd->request_buffer;
+
+ sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+ psg->count = cpu_to_le32(sg_count);
+
+ byte_count = 0;
+
+ for (i = 0; i < sg_count; i++) {
+ psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
+ psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
+ byte_count += sg_dma_len(sg);
+ sg++;
+ }
+ /* hba wants the size to be exact */
+ if(byte_count > scsicmd->request_bufflen){
+ psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen);
+ byte_count = scsicmd->request_bufflen;
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ else if(scsicmd->request_bufflen) {
+ dma_addr_t addr;
+ addr = pci_map_single(dev->pdev,
+ scsicmd->request_buffer,
+ scsicmd->request_bufflen,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+ psg->count = cpu_to_le32(1);
+ psg->sg[0].addr = cpu_to_le32(addr);
+ psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
+ scsicmd->SCp.ptr = (void *)addr;
+ byte_count = scsicmd->request_bufflen;
+ }
+ return byte_count;
+}
+
+
+static unsigned long aac_build_sg64(Scsi_Cmnd* scsicmd, struct sgmap64* psg)
+{
+ struct aac_dev *dev;
+ unsigned long byte_count = 0;
+ u64 le_addr;
+
+ dev = (struct aac_dev *)scsicmd->host->hostdata;
+ // Get rid of old data
+ psg->count = cpu_to_le32(0);
+ psg->sg[0].addr[0] = cpu_to_le32(NULL);
+ psg->sg[0].addr[1] = cpu_to_le32(NULL);
+ psg->sg[0].count = cpu_to_le32(0);
+ if (scsicmd->use_sg) {
+ struct scatterlist *sg;
+ int i;
+ int sg_count;
+ sg = (struct scatterlist *) scsicmd->request_buffer;
+
+ sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+ psg->count = cpu_to_le32(sg_count);
+
+ byte_count = 0;
+
+ for (i = 0; i < sg_count; i++) {
+ le_addr = cpu_to_le64(sg_dma_address(sg));
+ psg->sg[i].addr[1] = (u32)(le_addr>>32);
+ psg->sg[i].addr[0] = (u32)(le_addr & 0xffffffff);
+ psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
+ byte_count += sg_dma_len(sg);
+ sg++;
+ }
+ /* hba wants the size to be exact */
+ if(byte_count > scsicmd->request_bufflen){
+ psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen);
+ byte_count = scsicmd->request_bufflen;
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ else if(scsicmd->request_bufflen) {
+ dma_addr_t addr;
+ addr = pci_map_single(dev->pdev,
+ scsicmd->request_buffer,
+ scsicmd->request_bufflen,
+ scsi_to_pci_dma_dir(scsicmd->sc_data_direction));
+ psg->count = cpu_to_le32(1);
+ le_addr = cpu_to_le64(addr);
+ psg->sg[0].addr[1] = (u32)(le_addr>>32);
+ psg->sg[0].addr[0] = (u32)(le_addr & 0xffffffff);
+ psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
+ scsicmd->SCp.ptr = (void *)addr;
+ byte_count = scsicmd->request_bufflen;
+ }
+ return byte_count;
+}
+
+#ifdef AAC_DETAILED_STATUS_INFO
+
+struct aac_srb_status_info {
+ u32 status;
+ char *str;
+};
+
+
+static struct aac_srb_status_info srb_status_info[] = {
+ { SRB_STATUS_PENDING, "Pending Status"},
+ { SRB_STATUS_SUCCESS, "Success"},
+ { SRB_STATUS_ABORTED, "Aborted Command"},
+ { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
+ { SRB_STATUS_ERROR, "Error Event"},
+ { SRB_STATUS_BUSY, "Device Busy"},
+ { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
+ { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
+ { SRB_STATUS_NO_DEVICE, "No Device"},
+ { SRB_STATUS_TIMEOUT, "Timeout"},
+ { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
+ { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
+ { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
+ { SRB_STATUS_BUS_RESET, "Bus Reset"},
+ { SRB_STATUS_PARITY_ERROR, "Parity Error"},
+ { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
+ { SRB_STATUS_NO_HBA, "No HBA"},
+ { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
+ { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
+ { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
+ { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
+ { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
+ { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
+ { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
+ { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
+ { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
+ { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
+ { SRB_STATUS_NOT_STARTED, "Not Started"},
+ { SRB_STATUS_NOT_IN_USE, "Not In Use"},
+ { SRB_STATUS_FORCE_ABORT, "Force Abort"},
+ { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
+ { 0xff, "Unknown Error"}
+};
+
+char *aac_get_status_string(u32 status)
+{
+ int i;
+
+ for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
+ if(srb_status_info[i].status == status){
+ return srb_status_info[i].str;
+ }
+ }
+
+ return "Bad Status Code";
+}
+
+#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)