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-rw-r--r--drivers/scsi/ips.c321
1 files changed, 150 insertions, 171 deletions
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 4cdd891781b..3882d48a42b 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -139,6 +139,7 @@
/* - Remove 3 unused "inline" functions */
/* 7.12.xx - Use STATIC functions whereever possible */
/* - Clean up deprecated MODULE_PARM calls */
+/* 7.12.05 - Remove Version Matching per IBM request */
/*****************************************************************************/
/*
@@ -210,7 +211,7 @@ module_param(ips, charp, 0);
* DRIVER_VER
*/
#define IPS_VERSION_HIGH "7.12"
-#define IPS_VERSION_LOW ".02 "
+#define IPS_VERSION_LOW ".05 "
#if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__)
#warning "This driver has only been tested on the x86/ia64/x86_64 platforms"
@@ -219,15 +220,12 @@ module_param(ips, charp, 0);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
#include <linux/blk.h>
#include "sd.h"
-#define IPS_SG_ADDRESS(sg) ((sg)->address)
#define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags)
#define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags)
#ifndef __devexit_p
#define __devexit_p(x) x
#endif
#else
-#define IPS_SG_ADDRESS(sg) (page_address((sg)->page) ? \
- page_address((sg)->page)+(sg)->offset : NULL)
#define IPS_LOCK_SAVE(lock,flags) do{spin_lock(lock);(void)flags;}while(0)
#define IPS_UNLOCK_RESTORE(lock,flags) do{spin_unlock(lock);(void)flags;}while(0)
#endif
@@ -250,7 +248,7 @@ module_param(ips, charp, 0);
/*
* Function prototypes
*/
-static int ips_detect(Scsi_Host_Template *);
+static int ips_detect(struct scsi_host_template *);
static int ips_release(struct Scsi_Host *);
static int ips_eh_abort(Scsi_Cmnd *);
static int ips_eh_reset(Scsi_Cmnd *);
@@ -350,14 +348,15 @@ static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int);
static int ips_host_info(ips_ha_t *, char *, off_t, int);
static void copy_mem_info(IPS_INFOSTR *, char *, int);
static int copy_info(IPS_INFOSTR *, char *, ...);
-static int ips_get_version_info(ips_ha_t * ha, dma_addr_t, int intr);
-static void ips_version_check(ips_ha_t * ha, int intr);
static int ips_abort_init(ips_ha_t * ha, int index);
static int ips_init_phase2(int index);
static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
static int ips_register_scsi(int index);
+static int ips_poll_for_flush_complete(ips_ha_t * ha);
+static void ips_flush_and_reset(ips_ha_t *ha);
+
/*
* global variables
*/
@@ -378,7 +377,7 @@ static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
static dma_addr_t ips_flashbusaddr;
static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
-static Scsi_Host_Template ips_driver_template = {
+static struct scsi_host_template ips_driver_template = {
.detect = ips_detect,
.release = ips_release,
.info = ips_info,
@@ -406,8 +405,6 @@ static Scsi_Host_Template ips_driver_template = {
#endif
};
-static IPS_DEFINE_COMPAT_TABLE( Compatable ); /* Version Compatability Table */
-
/* This table describes all ServeRAID Adapters */
static struct pci_device_id ips_pci_table[] = {
@@ -590,7 +587,7 @@ __setup("ips=", ips_setup);
/* */
/****************************************************************************/
static int
-ips_detect(Scsi_Host_Template * SHT)
+ips_detect(struct scsi_host_template * SHT)
{
int i;
@@ -1125,8 +1122,8 @@ ips_queue(Scsi_Cmnd * SC, void (*done) (Scsi_Cmnd *))
SC->device->channel, SC->device->id, SC->device->lun);
/* Check for command to initiator IDs */
- if ((SC->device->channel > 0)
- && (SC->device->id == ha->ha_id[SC->device->channel])) {
+ if ((scmd_channel(SC) > 0)
+ && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
SC->result = DID_NO_CONNECT << 16;
done(SC);
@@ -1265,9 +1262,9 @@ ips_proc24_info(char *buffer, char **start, off_t offset, int length,
/* */
/****************************************************************************/
static void
-ips_select_queue_depth(struct Scsi_Host *host, Scsi_Device * scsi_devs)
+ips_select_queue_depth(struct Scsi_Host *host, struct scsi_device * scsi_devs)
{
- Scsi_Device *device;
+ struct scsi_device *device;
ips_ha_t *ha;
int count = 0;
int min;
@@ -1310,7 +1307,7 @@ ips_select_queue_depth(struct Scsi_Host *host, Scsi_Device * scsi_devs)
/* */
/****************************************************************************/
static int
-ips_slave_configure(Scsi_Device * SDptr)
+ips_slave_configure(struct scsi_device * SDptr)
{
ips_ha_t *ha;
int min;
@@ -1605,6 +1602,8 @@ ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
static int
ips_is_passthru(Scsi_Cmnd * SC)
{
+ unsigned long flags;
+
METHOD_TRACE("ips_is_passthru", 1);
if (!SC)
@@ -1622,10 +1621,20 @@ ips_is_passthru(Scsi_Cmnd * SC)
return 1;
else if (SC->use_sg) {
struct scatterlist *sg = SC->request_buffer;
- char *buffer = IPS_SG_ADDRESS(sg);
+ char *buffer;
+
+ /* kmap_atomic() ensures addressability of the user buffer.*/
+ /* local_irq_save() protects the KM_IRQ0 address slot. */
+ local_irq_save(flags);
+ buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
- buffer[2] == 'P' && buffer[3] == 'P')
+ buffer[2] == 'P' && buffer[3] == 'P') {
+ kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+ local_irq_restore(flags);
return 1;
+ }
+ kunmap_atomic(buffer - sg->offset, KM_IRQ0);
+ local_irq_restore(flags);
}
}
return 0;
@@ -2830,10 +2839,10 @@ ips_next(ips_ha_t * ha, int intr)
p = ha->scb_waitlist.head;
while ((p) && (scb = ips_getscb(ha))) {
- if ((p->device->channel > 0)
+ if ((scmd_channel(p) > 0)
&& (ha->
- dcdb_active[p->device->channel -
- 1] & (1 << p->device->id))) {
+ dcdb_active[scmd_channel(p) -
+ 1] & (1 << scmd_id(p)))) {
ips_freescb(ha, scb);
p = (Scsi_Cmnd *) p->host_scribble;
continue;
@@ -3656,14 +3665,21 @@ ips_scmd_buf_write(Scsi_Cmnd * scmd, void *data, unsigned
int i;
unsigned int min_cnt, xfer_cnt;
char *cdata = (char *) data;
+ unsigned char *buffer;
+ unsigned long flags;
struct scatterlist *sg = scmd->request_buffer;
for (i = 0, xfer_cnt = 0;
(i < scmd->use_sg) && (xfer_cnt < count); i++) {
- if (!IPS_SG_ADDRESS(&sg[i]))
- return;
min_cnt = min(count - xfer_cnt, sg[i].length);
- memcpy(IPS_SG_ADDRESS(&sg[i]), &cdata[xfer_cnt],
- min_cnt);
+
+ /* kmap_atomic() ensures addressability of the data buffer.*/
+ /* local_irq_save() protects the KM_IRQ0 address slot. */
+ local_irq_save(flags);
+ buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
+ memcpy(buffer, &cdata[xfer_cnt], min_cnt);
+ kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
+ local_irq_restore(flags);
+
xfer_cnt += min_cnt;
}
@@ -3688,14 +3704,21 @@ ips_scmd_buf_read(Scsi_Cmnd * scmd, void *data, unsigned
int i;
unsigned int min_cnt, xfer_cnt;
char *cdata = (char *) data;
+ unsigned char *buffer;
+ unsigned long flags;
struct scatterlist *sg = scmd->request_buffer;
for (i = 0, xfer_cnt = 0;
(i < scmd->use_sg) && (xfer_cnt < count); i++) {
- if (!IPS_SG_ADDRESS(&sg[i]))
- return;
min_cnt = min(count - xfer_cnt, sg[i].length);
- memcpy(&cdata[xfer_cnt], IPS_SG_ADDRESS(&sg[i]),
- min_cnt);
+
+ /* kmap_atomic() ensures addressability of the data buffer.*/
+ /* local_irq_save() protects the KM_IRQ0 address slot. */
+ local_irq_save(flags);
+ buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset;
+ memcpy(&cdata[xfer_cnt], buffer, min_cnt);
+ kunmap_atomic(buffer - sg[i].offset, KM_IRQ0);
+ local_irq_restore(flags);
+
xfer_cnt += min_cnt;
}
@@ -4491,10 +4514,8 @@ ips_free(ips_ha_t * ha)
ha->enq = NULL;
}
- if (ha->conf) {
- kfree(ha->conf);
- ha->conf = NULL;
- }
+ kfree(ha->conf);
+ ha->conf = NULL;
if (ha->adapt) {
pci_free_consistent(ha->pcidev,
@@ -4512,15 +4533,11 @@ ips_free(ips_ha_t * ha)
ha->logical_drive_info = NULL;
}
- if (ha->nvram) {
- kfree(ha->nvram);
- ha->nvram = NULL;
- }
+ kfree(ha->nvram);
+ ha->nvram = NULL;
- if (ha->subsys) {
- kfree(ha->subsys);
- ha->subsys = NULL;
- }
+ kfree(ha->subsys);
+ ha->subsys = NULL;
if (ha->ioctl_data) {
pci_free_consistent(ha->pcidev, ha->ioctl_len,
@@ -4807,6 +4824,9 @@ ips_isinit_morpheus(ips_ha_t * ha)
uint32_t bits;
METHOD_TRACE("ips_is_init_morpheus", 1);
+
+ if (ips_isintr_morpheus(ha))
+ ips_flush_and_reset(ha);
post = readl(ha->mem_ptr + IPS_REG_I960_MSG0);
bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR);
@@ -4821,6 +4841,94 @@ ips_isinit_morpheus(ips_ha_t * ha)
/****************************************************************************/
/* */
+/* Routine Name: ips_flush_and_reset */
+/* */
+/* Routine Description: */
+/* */
+/* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */
+/* state ( was trying to INIT and an interrupt was already pending ) ... */
+/* */
+/****************************************************************************/
+static void
+ips_flush_and_reset(ips_ha_t *ha)
+{
+ ips_scb_t *scb;
+ int ret;
+ int time;
+ int done;
+ dma_addr_t command_dma;
+
+ /* Create a usuable SCB */
+ scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma);
+ if (scb) {
+ memset(scb, 0, sizeof(ips_scb_t));
+ ips_init_scb(ha, scb);
+ scb->scb_busaddr = command_dma;
+
+ scb->timeout = ips_cmd_timeout;
+ scb->cdb[0] = IPS_CMD_FLUSH;
+
+ scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
+ scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */
+ scb->cmd.flush_cache.state = IPS_NORM_STATE;
+ scb->cmd.flush_cache.reserved = 0;
+ scb->cmd.flush_cache.reserved2 = 0;
+ scb->cmd.flush_cache.reserved3 = 0;
+ scb->cmd.flush_cache.reserved4 = 0;
+
+ ret = ips_send_cmd(ha, scb); /* Send the Flush Command */
+
+ if (ret == IPS_SUCCESS) {
+ time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */
+ done = 0;
+
+ while ((time > 0) && (!done)) {
+ done = ips_poll_for_flush_complete(ha);
+ /* This may look evil, but it's only done during extremely rare start-up conditions ! */
+ udelay(1000);
+ time--;
+ }
+ }
+ }
+
+ /* Now RESET and INIT the adapter */
+ (*ha->func.reset) (ha);
+
+ pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma);
+ return;
+}
+
+/****************************************************************************/
+/* */
+/* Routine Name: ips_poll_for_flush_complete */
+/* */
+/* Routine Description: */
+/* */
+/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */
+/* All other responses are just taken off the queue and ignored */
+/* */
+/****************************************************************************/
+static int
+ips_poll_for_flush_complete(ips_ha_t * ha)
+{
+ IPS_STATUS cstatus;
+
+ while (TRUE) {
+ cstatus.value = (*ha->func.statupd) (ha);
+
+ if (cstatus.value == 0xffffffff) /* If No Interrupt to process */
+ break;
+
+ /* Success is when we see the Flush Command ID */
+ if (cstatus.fields.command_id == IPS_MAX_CMDS )
+ return 1;
+ }
+
+ return 0;
+}
+
+/****************************************************************************/
+/* */
/* Routine Name: ips_enable_int_copperhead */
/* */
/* Routine Description: */
@@ -5819,7 +5927,7 @@ ips_write_driver_status(ips_ha_t * ha, int intr)
strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4);
strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4);
- ips_version_check(ha, intr); /* Check BIOS/FW/Driver Versions */
+ ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */
/* now update the page */
if (!ips_readwrite_page5(ha, TRUE, intr)) {
@@ -6736,135 +6844,6 @@ ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize,
return (0);
}
-/*---------------------------------------------------------------------------*/
-/* Routine Name: ips_version_check */
-/* */
-/* Dependencies: */
-/* Assumes that ips_read_adapter_status() is called first filling in */
-/* the data for SubSystem Parameters. */
-/* Called from ips_write_driver_status() so it also assumes NVRAM Page 5 */
-/* Data is available. */
-/* */
-/*---------------------------------------------------------------------------*/
-static void
-ips_version_check(ips_ha_t * ha, int intr)
-{
- IPS_VERSION_DATA *VersionInfo;
- uint8_t FirmwareVersion[IPS_COMPAT_ID_LENGTH + 1];
- uint8_t BiosVersion[IPS_COMPAT_ID_LENGTH + 1];
- int MatchError;
- int rc;
- char BiosString[10];
- char FirmwareString[10];
-
- METHOD_TRACE("ips_version_check", 1);
-
- VersionInfo = ( IPS_VERSION_DATA * ) ha->ioctl_data;
-
- memset(FirmwareVersion, 0, IPS_COMPAT_ID_LENGTH + 1);
- memset(BiosVersion, 0, IPS_COMPAT_ID_LENGTH + 1);
-
- /* Get the Compatible BIOS Version from NVRAM Page 5 */
- memcpy(BiosVersion, ha->nvram->BiosCompatibilityID,
- IPS_COMPAT_ID_LENGTH);
-
- rc = IPS_FAILURE;
- if (ha->subsys->param[4] & IPS_GET_VERSION_SUPPORT) { /* If Versioning is Supported */
- /* Get the Version Info with a Get Version Command */
- memset( VersionInfo, 0, sizeof (IPS_VERSION_DATA));
- rc = ips_get_version_info(ha, ha->ioctl_busaddr, intr);
- if (rc == IPS_SUCCESS)
- memcpy(FirmwareVersion, VersionInfo->compatibilityId,
- IPS_COMPAT_ID_LENGTH);
- }
-
- if (rc != IPS_SUCCESS) { /* If Data Not Obtainable from a GetVersion Command */
- /* Get the Firmware Version from Enquiry Data */
- memcpy(FirmwareVersion, ha->enq->CodeBlkVersion,
- IPS_COMPAT_ID_LENGTH);
- }
-
- /* printk(KERN_WARNING "Adapter's BIOS Version = %s\n", BiosVersion); */
- /* printk(KERN_WARNING "BIOS Compatible Version = %s\n", IPS_COMPAT_BIOS); */
- /* printk(KERN_WARNING "Adapter's Firmware Version = %s\n", FirmwareVersion); */
- /* printk(KERN_WARNING "Firmware Compatible Version = %s \n", Compatable[ ha->nvram->adapter_type ]); */
-
- MatchError = 0;
-
- if (strncmp
- (FirmwareVersion, Compatable[ha->nvram->adapter_type],
- IPS_COMPAT_ID_LENGTH) != 0)
- MatchError = 1;
-
- if (strncmp(BiosVersion, IPS_COMPAT_BIOS, IPS_COMPAT_ID_LENGTH) != 0)
- MatchError = 1;
-
- ha->nvram->versioning = 1; /* Indicate the Driver Supports Versioning */
-
- if (MatchError) {
- ha->nvram->version_mismatch = 1;
- if (ips_cd_boot == 0) {
- strncpy(&BiosString[0], ha->nvram->bios_high, 4);
- strncpy(&BiosString[4], ha->nvram->bios_low, 4);
- BiosString[8] = 0;
-
- strncpy(&FirmwareString[0], ha->enq->CodeBlkVersion, 8);
- FirmwareString[8] = 0;
-
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "Warning ! ! ! ServeRAID Version Mismatch\n");
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "Bios = %s, Firmware = %s, Device Driver = %s%s\n",
- BiosString, FirmwareString, IPS_VERSION_HIGH,
- IPS_VERSION_LOW);
- IPS_PRINTK(KERN_WARNING, ha->pcidev,
- "These levels should match to avoid possible compatibility problems.\n");
- }
- } else {
- ha->nvram->version_mismatch = 0;
- }
-
- return;
-}
-
-/*---------------------------------------------------------------------------*/
-/* Routine Name: ips_get_version_info */
-/* */
-/* Routine Description: */
-/* Issue an internal GETVERSION Command */
-/* */
-/* Return Value: */
-/* 0 if Successful, else non-zero */
-/*---------------------------------------------------------------------------*/
-static int
-ips_get_version_info(ips_ha_t * ha, dma_addr_t Buffer, int intr)
-{
- ips_scb_t *scb;
- int rc;
-
- METHOD_TRACE("ips_get_version_info", 1);
-
- scb = &ha->scbs[ha->max_cmds - 1];
-
- ips_init_scb(ha, scb);
-
- scb->timeout = ips_cmd_timeout;
- scb->cdb[0] = IPS_CMD_GET_VERSION_INFO;
- scb->cmd.version_info.op_code = IPS_CMD_GET_VERSION_INFO;
- scb->cmd.version_info.command_id = IPS_COMMAND_ID(ha, scb);
- scb->cmd.version_info.reserved = 0;
- scb->cmd.version_info.count = sizeof (IPS_VERSION_DATA);
- scb->cmd.version_info.reserved2 = 0;
- scb->data_len = sizeof (IPS_VERSION_DATA);
- scb->data_busaddr = Buffer;
- scb->cmd.version_info.buffer_addr = Buffer;
- scb->flags = 0;
-
- /* issue command */
- rc = ips_send_wait(ha, scb, ips_cmd_timeout, intr);
- return (rc);
-}
-
/****************************************************************************/
/* */
/* Routine Name: ips_abort_init */