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authorJames Bottomley <jejb@titanic.(none)>2005-06-17 18:42:23 -0500
committerJames Bottomley <jejb@titanic.(none)>2005-06-17 18:42:23 -0500
commit3237ee78fc00f786d5f5aec6f9310b0e39069f15 (patch)
tree4c94e70ab846ffcb8bb5715fb3c8d8473358a323 /drivers/scsi/aic7xxx
parent9ee1c939d1cb936b1f98e8d81aeffab57bae46ab (diff)
parentdf0ae2497ddefd72a87f3a3b34ff32455d7d4ae0 (diff)
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merge by hand (fix up qla_os.c merge error)
Diffstat (limited to 'drivers/scsi/aic7xxx')
-rw-r--r--drivers/scsi/aic7xxx/aic7770_osm.c189
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm.c20
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_osm.h17
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx.h2
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_core.c16
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.c660
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.h64
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm_pci.c44
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_proc.c31
9 files changed, 341 insertions, 702 deletions
diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
index 682ca0b..d4ed5e9 100644
--- a/drivers/scsi/aic7xxx/aic7770_osm.c
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c
@@ -44,88 +44,46 @@
#include <linux/device.h>
#include <linux/eisa.h>
-#define EISA_MFCTR_CHAR0(ID) (char)(((ID>>26) & 0x1F) | '@') /* Bits 26-30 */
-#define EISA_MFCTR_CHAR1(ID) (char)(((ID>>21) & 0x1F) | '@') /* Bits 21-25 */
-#define EISA_MFCTR_CHAR2(ID) (char)(((ID>>16) & 0x1F) | '@') /* Bits 16-20 */
-#define EISA_PRODUCT_ID(ID) (short)((ID>>4) & 0xFFF) /* Bits 4-15 */
-#define EISA_REVISION_ID(ID) (uint8_t)(ID & 0x0F) /* Bits 0-3 */
-
-static int aic7770_eisa_dev_probe(struct device *dev);
-static int aic7770_eisa_dev_remove(struct device *dev);
-static struct eisa_driver aic7770_driver = {
- .driver = {
- .name = "aic7xxx",
- .probe = aic7770_eisa_dev_probe,
- .remove = aic7770_eisa_dev_remove,
- }
-};
-
-typedef struct device *aic7770_dev_t;
-
-static int aic7770_linux_config(struct aic7770_identity *entry,
- aic7770_dev_t dev, u_int eisaBase);
-
int
-ahc_linux_eisa_init(void)
+aic7770_map_registers(struct ahc_softc *ahc, u_int port)
{
- struct eisa_device_id *eid;
- struct aic7770_identity *id;
- int i;
-
- if (aic7xxx_probe_eisa_vl == 0)
- return -ENODEV;
-
/*
- * Linux requires the EISA IDs to be specified in
- * the EISA ID string format. Perform the conversion
- * and setup a table with a NUL terminal entry.
+ * Lock out other contenders for our i/o space.
*/
- aic7770_driver.id_table = malloc(sizeof(struct eisa_device_id) *
- (ahc_num_aic7770_devs + 1),
- M_DEVBUF, M_NOWAIT);
- if (aic7770_driver.id_table == NULL)
- return -ENOMEM;
-
- for (eid = (struct eisa_device_id *)aic7770_driver.id_table,
- id = aic7770_ident_table, i = 0;
- i < ahc_num_aic7770_devs; eid++, id++, i++) {
-
- sprintf(eid->sig, "%c%c%c%03X%01X",
- EISA_MFCTR_CHAR0(id->full_id),
- EISA_MFCTR_CHAR1(id->full_id),
- EISA_MFCTR_CHAR2(id->full_id),
- EISA_PRODUCT_ID(id->full_id),
- EISA_REVISION_ID(id->full_id));
- eid->driver_data = i;
- }
- eid->sig[0] = 0;
-
- return eisa_driver_register(&aic7770_driver);
+ if (request_region(port, AHC_EISA_IOSIZE, "aic7xxx") == 0)
+ return (ENOMEM);
+ ahc->tag = BUS_SPACE_PIO;
+ ahc->bsh.ioport = port;
+ return (0);
}
-void
-ahc_linux_eisa_exit(void)
+int
+aic7770_map_int(struct ahc_softc *ahc, u_int irq)
{
- if(aic7xxx_probe_eisa_vl != 0 && aic7770_driver.id_table != NULL) {
- eisa_driver_unregister(&aic7770_driver);
- free(aic7770_driver.id_table, M_DEVBUF);
- }
+ int error;
+ int shared;
+
+ shared = 0;
+ if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
+ shared = SA_SHIRQ;
+
+ error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
+ if (error == 0)
+ ahc->platform_data->irq = irq;
+
+ return (-error);
}
static int
-aic7770_linux_config(struct aic7770_identity *entry, aic7770_dev_t dev,
- u_int eisaBase)
+aic7770_probe(struct device *dev)
{
+ struct eisa_device *edev = to_eisa_device(dev);
+ u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET;
struct ahc_softc *ahc;
char buf[80];
char *name;
int error;
- /*
- * Allocate a softc for this card and
- * set it up for attachment by our
- * common detect routine.
- */
sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT);
if (name == NULL)
@@ -134,81 +92,62 @@ aic7770_linux_config(struct aic7770_identity *entry, aic7770_dev_t dev,
ahc = ahc_alloc(&aic7xxx_driver_template, name);
if (ahc == NULL)
return (ENOMEM);
- error = aic7770_config(ahc, entry, eisaBase);
+ error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data,
+ eisaBase);
if (error != 0) {
ahc->bsh.ioport = 0;
ahc_free(ahc);
return (error);
}
- dev->driver_data = (void *)ahc;
+ dev_set_drvdata(dev, ahc);
+
if (aic7xxx_detect_complete)
error = ahc_linux_register_host(ahc, &aic7xxx_driver_template);
return (error);
}
-int
-aic7770_map_registers(struct ahc_softc *ahc, u_int port)
-{
- /*
- * Lock out other contenders for our i/o space.
- */
- if (request_region(port, AHC_EISA_IOSIZE, "aic7xxx") == 0)
- return (ENOMEM);
- ahc->tag = BUS_SPACE_PIO;
- ahc->bsh.ioport = port;
- return (0);
-}
-
-int
-aic7770_map_int(struct ahc_softc *ahc, u_int irq)
+static int
+aic7770_remove(struct device *dev)
{
- int error;
- int shared;
+ struct ahc_softc *ahc = dev_get_drvdata(dev);
+ u_long s;
- shared = 0;
- if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
- shared = SA_SHIRQ;
+ ahc_lock(ahc, &s);
+ ahc_intr_enable(ahc, FALSE);
+ ahc_unlock(ahc, &s);
- error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
- if (error == 0)
- ahc->platform_data->irq = irq;
-
- return (-error);
+ ahc_free(ahc);
+ return 0;
}
-
-static int
-aic7770_eisa_dev_probe(struct device *dev)
+
+static struct eisa_device_id aic7770_ids[] = {
+ { "ADP7771", 0 }, /* AHA 274x */
+ { "ADP7756", 1 }, /* AHA 284x BIOS enabled */
+ { "ADP7757", 2 }, /* AHA 284x BIOS disabled */
+ { "ADP7782", 3 }, /* AHA 274x Olivetti OEM */
+ { "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */
+ { "ADP7770", 5 }, /* AIC7770 generic */
+ { "" }
+};
+
+static struct eisa_driver aic7770_driver = {
+ .id_table = aic7770_ids,
+ .driver = {
+ .name = "aic7xxx",
+ .probe = aic7770_probe,
+ .remove = aic7770_remove,
+ }
+};
+
+int
+ahc_linux_eisa_init(void)
{
- struct eisa_device *edev;
-
- edev = to_eisa_device(dev);
- return (aic7770_linux_config(aic7770_ident_table + edev->id.driver_data,
- dev, edev->base_addr+AHC_EISA_SLOT_OFFSET));
+ return eisa_driver_register(&aic7770_driver);
}
-
-static int
-aic7770_eisa_dev_remove(struct device *dev)
+
+void
+ahc_linux_eisa_exit(void)
{
- struct ahc_softc *ahc;
- u_long l;
-
- /*
- * We should be able to just perform
- * the free directly, but check our
- * list for extra sanity.
- */
- ahc_list_lock(&l);
- ahc = ahc_find_softc((struct ahc_softc *)dev->driver_data);
- if (ahc != NULL) {
- u_long s;
-
- ahc_lock(ahc, &s);
- ahc_intr_enable(ahc, FALSE);
- ahc_unlock(ahc, &s);
- ahc_free(ahc);
- }
- ahc_list_unlock(&l);
-
- return (0);
+ eisa_driver_unregister(&aic7770_driver);
}
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 7c02b7d..c4eaaad 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -941,7 +941,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *))
*/
cmd->scsi_done = scsi_done;
- ahd_midlayer_entrypoint_lock(ahd, &flags);
+ ahd_lock(ahd, &flags);
/*
* Close the race of a command that was in the process of
@@ -955,7 +955,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *))
ahd_cmd_set_transaction_status(cmd, CAM_REQUEUE_REQ);
ahd_linux_queue_cmd_complete(ahd, cmd);
ahd_schedule_completeq(ahd);
- ahd_midlayer_entrypoint_unlock(ahd, &flags);
+ ahd_unlock(ahd, &flags);
return (0);
}
dev = ahd_linux_get_device(ahd, cmd->device->channel,
@@ -965,7 +965,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *))
ahd_cmd_set_transaction_status(cmd, CAM_RESRC_UNAVAIL);
ahd_linux_queue_cmd_complete(ahd, cmd);
ahd_schedule_completeq(ahd);
- ahd_midlayer_entrypoint_unlock(ahd, &flags);
+ ahd_unlock(ahd, &flags);
printf("%s: aic79xx_linux_queue - Unable to allocate device!\n",
ahd_name(ahd));
return (0);
@@ -979,7 +979,7 @@ ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *))
dev->flags |= AHD_DEV_ON_RUN_LIST;
ahd_linux_run_device_queues(ahd);
}
- ahd_midlayer_entrypoint_unlock(ahd, &flags);
+ ahd_unlock(ahd, &flags);
return (0);
}
@@ -1511,17 +1511,17 @@ ahd_linux_dev_reset(Scsi_Cmnd *cmd)
ahd_name(ahd), cmd->device->channel, cmd->device->id,
cmd->device->lun, cmd);
#endif
- ahd_midlayer_entrypoint_lock(ahd, &s);
+ ahd_lock(ahd, &s);
dev = ahd_linux_get_device(ahd, cmd->device->channel, cmd->device->id,
cmd->device->lun, /*alloc*/FALSE);
if (dev == NULL) {
- ahd_midlayer_entrypoint_unlock(ahd, &s);
+ ahd_unlock(ahd, &s);
kfree(recovery_cmd);
return (FAILED);
}
if ((scb = ahd_get_scb(ahd, AHD_NEVER_COL_IDX)) == NULL) {
- ahd_midlayer_entrypoint_unlock(ahd, &s);
+ ahd_unlock(ahd, &s);
kfree(recovery_cmd);
return (FAILED);
}
@@ -1570,7 +1570,7 @@ ahd_linux_dev_reset(Scsi_Cmnd *cmd)
spin_lock_irq(&ahd->platform_data->spin_lock);
ahd_schedule_runq(ahd);
ahd_linux_run_complete_queue(ahd);
- ahd_midlayer_entrypoint_unlock(ahd, &s);
+ ahd_unlock(ahd, &s);
printf("%s: Device reset returning 0x%x\n", ahd_name(ahd), retval);
return (retval);
}
@@ -1591,11 +1591,11 @@ ahd_linux_bus_reset(Scsi_Cmnd *cmd)
printf("%s: Bus reset called for cmd %p\n",
ahd_name(ahd), cmd);
#endif
- ahd_midlayer_entrypoint_lock(ahd, &s);
+ ahd_lock(ahd, &s);
found = ahd_reset_channel(ahd, cmd->device->channel + 'A',
/*initiate reset*/TRUE);
ahd_linux_run_complete_queue(ahd);
- ahd_midlayer_entrypoint_unlock(ahd, &s);
+ ahd_unlock(ahd, &s);
if (bootverbose)
printf("%s: SCSI bus reset delivered. "
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h
index 605f92b..7823e52 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.h
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.h
@@ -112,23 +112,6 @@ typedef Scsi_Cmnd *ahd_io_ctx_t;
#define ahd_le32toh(x) le32_to_cpu(x)
#define ahd_le64toh(x) le64_to_cpu(x)
-#ifndef LITTLE_ENDIAN
-#define LITTLE_ENDIAN 1234
-#endif
-
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#endif
-
-#ifndef BYTE_ORDER
-#if defined(__BIG_ENDIAN)
-#define BYTE_ORDER BIG_ENDIAN
-#endif
-#if defined(__LITTLE_ENDIAN)
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-#endif /* BYTE_ORDER */
-
/************************* Configuration Data *********************************/
extern uint32_t aic79xx_allow_memio;
extern int aic79xx_detect_complete;
diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h
index 8ff16fd..0948d50 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.h
+++ b/drivers/scsi/aic7xxx/aic7xxx.h
@@ -346,7 +346,6 @@ typedef enum {
* controller.
*/
AHC_NEWEEPROM_FMT = 0x4000,
- AHC_RESOURCE_SHORTAGE = 0x8000,
AHC_TQINFIFO_BLOCKED = 0x10000, /* Blocked waiting for ATIOs */
AHC_INT50_SPEEDFLEX = 0x20000, /*
* Internal 50pin connector
@@ -1200,7 +1199,6 @@ void ahc_pause_and_flushwork(struct ahc_softc *ahc);
int ahc_suspend(struct ahc_softc *ahc);
int ahc_resume(struct ahc_softc *ahc);
void ahc_softc_insert(struct ahc_softc *);
-struct ahc_softc *ahc_find_softc(struct ahc_softc *ahc);
void ahc_set_unit(struct ahc_softc *, int);
void ahc_set_name(struct ahc_softc *, char *);
void ahc_alloc_scbs(struct ahc_softc *ahc);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 9a6b4a5..8a2bb6f 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -3934,22 +3934,6 @@ ahc_softc_insert(struct ahc_softc *ahc)
ahc->init_level++;
}
-/*
- * Verify that the passed in softc pointer is for a
- * controller that is still configured.
- */
-struct ahc_softc *
-ahc_find_softc(struct ahc_softc *ahc)
-{
- struct ahc_softc *list_ahc;
-
- TAILQ_FOREACH(list_ahc, &ahc_tailq, links) {
- if (list_ahc == ahc)
- return (ahc);
- }
- return (NULL);
-}
-
void
ahc_set_unit(struct ahc_softc *ahc, int unit)
{
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index c13e563..b89094d 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -122,8 +122,6 @@
#include "aic7xxx_osm.h"
#include "aic7xxx_inline.h"
#include <scsi/scsicam.h>
-#include <scsi/scsi_transport.h>
-#include <scsi/scsi_transport_spi.h>
static struct scsi_transport_template *ahc_linux_transport_template = NULL;
@@ -332,22 +330,6 @@ static uint32_t aic7xxx_extended;
static uint32_t aic7xxx_pci_parity = ~0;
/*
- * Certain newer motherboards have put new PCI based devices into the
- * IO spaces that used to typically be occupied by VLB or EISA cards.
- * This overlap can cause these newer motherboards to lock up when scanned
- * for older EISA and VLB devices. Setting this option to non-0 will
- * cause the driver to skip scanning for any VLB or EISA controllers and
- * only support the PCI controllers. NOTE: this means that if the kernel
- * os compiled with PCI support disabled, then setting this to non-0
- * would result in never finding any devices :)
- */
-#ifndef CONFIG_AIC7XXX_PROBE_EISA_VL
-uint32_t aic7xxx_probe_eisa_vl;
-#else
-uint32_t aic7xxx_probe_eisa_vl = ~0;
-#endif
-
-/*
* There are lots of broken chipsets in the world. Some of them will
* violate the PCI spec when we issue byte sized memory writes to our
* controller. I/O mapped register access, if allowed by the given
@@ -423,7 +405,7 @@ MODULE_PARM_DESC(aic7xxx,
);
static void ahc_linux_handle_scsi_status(struct ahc_softc *,
- struct ahc_linux_device *,
+ struct scsi_device *,
struct scb *);
static void ahc_linux_queue_cmd_complete(struct ahc_softc *ahc,
struct scsi_cmnd *cmd);
@@ -434,17 +416,7 @@ static int ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag);
static void ahc_linux_initialize_scsi_bus(struct ahc_softc *ahc);
static u_int ahc_linux_user_tagdepth(struct ahc_softc *ahc,
struct ahc_devinfo *devinfo);
-static void ahc_linux_device_queue_depth(struct ahc_softc *ahc,
- struct ahc_linux_device *dev);
-static struct ahc_linux_target* ahc_linux_alloc_target(struct ahc_softc*,
- u_int, u_int);
-static void ahc_linux_free_target(struct ahc_softc*,
- struct ahc_linux_target*);
-static struct ahc_linux_device* ahc_linux_alloc_device(struct ahc_softc*,
- struct ahc_linux_target*,
- u_int);
-static void ahc_linux_free_device(struct ahc_softc*,
- struct ahc_linux_device*);
+static void ahc_linux_device_queue_depth(struct scsi_device *);
static int ahc_linux_run_command(struct ahc_softc*,
struct ahc_linux_device *,
struct scsi_cmnd *);
@@ -454,32 +426,12 @@ static int aic7xxx_setup(char *s);
static int ahc_linux_next_unit(void);
/********************************* Inlines ************************************/
-static __inline struct ahc_linux_device*
- ahc_linux_get_device(struct ahc_softc *ahc, u_int channel,
- u_int target, u_int lun);
static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*);
static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
struct ahc_dma_seg *sg,
dma_addr_t addr, bus_size_t len);
-static __inline struct ahc_linux_device*
-ahc_linux_get_device(struct ahc_softc *ahc, u_int channel, u_int target,
- u_int lun)
-{
- struct ahc_linux_target *targ;
- struct ahc_linux_device *dev;
- u_int target_offset;
-
- target_offset = target;
- if (channel != 0)
- target_offset += 8;
- targ = ahc->platform_data->targets[target_offset];
- BUG_ON(targ == NULL);
- dev = targ->devices[lun];
- return dev;
-}
-
static __inline void
ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb)
{
@@ -533,17 +485,6 @@ ahc_linux_detect(struct scsi_host_template *template)
int found = 0;
/*
- * Sanity checking of Linux SCSI data structures so
- * that some of our hacks^H^H^H^H^Hassumptions aren't
- * violated.
- */
- if (offsetof(struct ahc_cmd_internal, end)
- > offsetof(struct scsi_cmnd, host_scribble)) {
- printf("ahc_linux_detect: SCSI data structures changed.\n");
- printf("ahc_linux_detect: Unable to attach\n");
- return (0);
- }
- /*
* If we've been passed any parameters, process them now.
*/
if (aic7xxx)
@@ -611,7 +552,7 @@ static int
ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
{
struct ahc_softc *ahc;
- struct ahc_linux_device *dev;
+ struct ahc_linux_device *dev = scsi_transport_device_data(cmd->device);
ahc = *(struct ahc_softc **)cmd->device->host->hostdata;
@@ -629,132 +570,177 @@ ahc_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
if (ahc->platform_data->qfrozen != 0)
return SCSI_MLQUEUE_HOST_BUSY;
- dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id,
- cmd->device->lun);
- BUG_ON(dev == NULL);
-
cmd->result = CAM_REQ_INPROG << 16;
return ahc_linux_run_command(ahc, dev, cmd);
}
-static int
-ahc_linux_slave_alloc(struct scsi_device *device)
+static inline struct scsi_target **
+ahc_linux_target_in_softc(struct scsi_target *starget)
{
- struct ahc_softc *ahc;
- struct ahc_linux_target *targ;
- struct scsi_target *starget = device->sdev_target;
- struct ahc_linux_device *dev;
+ struct ahc_softc *ahc =
+ *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata);
unsigned int target_offset;
+
+ target_offset = starget->id;
+ if (starget->channel != 0)
+ target_offset += 8;
+
+ return &ahc->platform_data->starget[target_offset];
+}
+
+static int
+ahc_linux_target_alloc(struct scsi_target *starget)
+{
+ struct ahc_softc *ahc =
+ *((struct ahc_softc **)dev_to_shost(&starget->dev)->hostdata);
+ struct seeprom_config *sc = ahc->seep_config;
unsigned long flags;
- int retval = -ENOMEM;
+ struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget);
+ struct ahc_linux_target *targ = scsi_transport_target_data(starget);
+ unsigned short scsirate;
+ struct ahc_devinfo devinfo;
+ struct ahc_initiator_tinfo *tinfo;
+ struct ahc_tmode_tstate *tstate;
+ char channel = starget->channel + 'A';
+ unsigned int our_id = ahc->our_id;
+ unsigned int target_offset;
target_offset = starget->id;
if (starget->channel != 0)
target_offset += 8;
+
+ if (starget->channel)
+ our_id = ahc->our_id_b;
- ahc = *((struct ahc_softc **)device->host->hostdata);
- if (bootverbose)
- printf("%s: Slave Alloc %d\n", ahc_name(ahc), device->id);
ahc_lock(ahc, &flags);
- targ = ahc->platform_data->targets[target_offset];
- if (targ == NULL) {
- struct seeprom_config *sc;
- targ = ahc_linux_alloc_target(ahc, starget->channel,
- starget->id);
- sc = ahc->seep_config;
- if (targ == NULL)
- goto out;
+ BUG_ON(*ahc_targp != NULL);
- if (sc) {
- unsigned short scsirate;
- struct ahc_devinfo devinfo;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- char channel = starget->channel + 'A';
- unsigned int our_id = ahc->our_id;
-
- if (starget->channel)
- our_id = ahc->our_id_b;
+ *ahc_targp = starget;
+ memset(targ, 0, sizeof(*targ));
- if ((ahc->features & AHC_ULTRA2) != 0) {
- scsirate = sc->device_flags[target_offset] & CFXFER;
- } else {
- scsirate = (sc->device_flags[target_offset] & CFXFER) << 4;
- if (sc->device_flags[target_offset] & CFSYNCH)
- scsirate |= SOFS;
- }
- if (sc->device_flags[target_offset] & CFWIDEB) {
- scsirate |= WIDEXFER;
- spi_max_width(starget) = 1;
- } else
- spi_max_width(starget) = 0;
- spi_min_period(starget) =
- ahc_find_period(ahc, scsirate, AHC_SYNCRATE_DT);
- tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id,
- targ->target, &tstate);
- ahc_compile_devinfo(&devinfo, our_id, targ->target,
- CAM_LUN_WILDCARD, channel,
- ROLE_INITIATOR);
- ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0,
- AHC_TRANS_GOAL, /*paused*/FALSE);
- ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
- AHC_TRANS_GOAL, /*paused*/FALSE);
+ if (sc) {
+ int maxsync = AHC_SYNCRATE_DT;
+ int ultra = 0;
+ int flags = sc->device_flags[target_offset];
+
+ if (ahc->flags & AHC_NEWEEPROM_FMT) {
+ if (flags & CFSYNCHISULTRA)
+ ultra = 1;
+ } else if (flags & CFULTRAEN)
+ ultra = 1;
+ /* AIC nutcase; 10MHz appears as ultra = 1, CFXFER = 0x04
+ * change it to ultra=0, CFXFER = 0 */
+ if(ultra && (flags & CFXFER) == 0x04) {
+ ultra = 0;
+ flags &= ~CFXFER;
}
-
- }
- dev = targ->devices[device->lun];
- if (dev == NULL) {
- dev = ahc_linux_alloc_device(ahc, targ, device->lun);
- if (dev == NULL)
- goto out;
+
+ if ((ahc->features & AHC_ULTRA2) != 0) {
+ scsirate = (flags & CFXFER) | (ultra ? 0x8 : 0);
+ } else {
+ scsirate = (flags & CFXFER) << 4;
+ maxsync = ultra ? AHC_SYNCRATE_ULTRA :
+ AHC_SYNCRATE_FAST;
+ }
+ spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0;
+ if (!(flags & CFSYNCH))
+ spi_max_offset(starget) = 0;
+ spi_min_period(starget) =
+ ahc_find_period(ahc, scsirate, maxsync);
+
+ tinfo = ahc_fetch_transinfo(ahc, channel, ahc->our_id,
+ starget->id, &tstate);
}
- retval = 0;
-
- out:
+ ahc_compile_devinfo(&devinfo, our_id, starget->id,
+ CAM_LUN_WILDCARD, channel,
+ ROLE_INITIATOR);
+ ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0,
+ AHC_TRANS_GOAL, /*paused*/FALSE);
+ ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
+ AHC_TRANS_GOAL, /*paused*/FALSE);
ahc_unlock(ahc, &flags);
- return retval;
+
+ return 0;
+}
+
+static void
+ahc_linux_target_destroy(struct scsi_target *starget)
+{
+ struct scsi_target **ahc_targp = ahc_linux_target_in_softc(starget);
+
+ *ahc_targp = NULL;
}
static int
-ahc_linux_slave_configure(struct scsi_device *device)
+ahc_linux_slave_alloc(struct scsi_device *sdev)
+{
+ struct ahc_softc *ahc =
+ *((struct ahc_softc **)sdev->host->hostdata);
+ struct scsi_target *starget = sdev->sdev_target;
+ struct ahc_linux_target *targ = scsi_transport_target_data(starget);
+ struct ahc_linux_device *dev;
+
+ if (bootverbose)
+ printf("%s: Slave Alloc %d\n", ahc_name(ahc), sdev->id);
+
+ BUG_ON(targ->sdev[sdev->lun] != NULL);
+
+ dev = scsi_transport_device_data(sdev);
+ memset(dev, 0, sizeof(*dev));
+
+ /*
+ * We start out life using untagged
+ * transactions of which we allow one.
+ */
+ dev->openings = 1;
+
+ /*
+ * Set maxtags to 0. This will be changed if we
+ * later determine that we are dealing with
+ * a tagged queuing capable device.
+ */
+ dev->maxtags = 0;
+
+ targ->sdev[sdev->lun] = sdev;
+
+ return 0;
+}
+
+static int
+ahc_linux_slave_configure(struct scsi_device *sdev)
{
struct ahc_softc *ahc;
- struct ahc_linux_device *dev;
- ahc = *((struct ahc_softc **)device->host->hostdata);
+ ahc = *((struct ahc_softc **)sdev->host->hostdata);
if (bootverbose)
- printf("%s: Slave Configure %d\n", ahc_name(ahc), device->id);
+ printf("%s: Slave Configure %d\n", ahc_name(ahc), sdev->id);
- dev = ahc_linux_get_device(ahc, device->channel, device->id,
- device->lun);
- dev->scsi_device = device;
- ahc_linux_device_queue_depth(ahc, dev);
+ ahc_linux_device_queue_depth(sdev);
/* Initial Domain Validation */
- if (!spi_initial_dv(device->sdev_target))
- spi_dv_device(device);
+ if (!spi_initial_dv(sdev->sdev_target))
+ spi_dv_device(sdev);
return 0;
}
static void
-ahc_linux_slave_destroy(struct scsi_device *device)
+ahc_linux_slave_destroy(struct scsi_device *sdev)
{
struct ahc_softc *ahc;
- struct ahc_linux_device *dev;
+ struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
+ struct ahc_linux_target *targ = scsi_transport_target_data(sdev->sdev_target);
- ahc = *((struct ahc_softc **)device->host->hostdata);
+ ahc = *((struct ahc_softc **)sdev->host->hostdata);
if (bootverbose)
- printf("%s: Slave Destroy %d\n", ahc_name(ahc), device->id);
- dev = ahc_linux_get_device(ahc, device->channel,
- device->id, device->lun);
+ printf("%s: Slave Destroy %d\n", ahc_name(ahc), sdev->id);
BUG_ON(dev->active);
- ahc_linux_free_device(ahc, dev);
+ targ->sdev[sdev->lun] = NULL;
}
#if defined(__i386__)
@@ -843,10 +829,14 @@ ahc_linux_bus_reset(struct scsi_cmnd *cmd)
{
struct ahc_softc *ahc;
int found;
+ unsigned long flags;
ahc = *(struct ahc_softc **)cmd->device->host->hostdata;
+
+ ahc_lock(ahc, &flags);
found = ahc_reset_channel(ahc, cmd->device->channel + 'A',
/*initiate reset*/TRUE);
+ ahc_unlock(ahc, &flags);
if (bootverbose)
printf("%s: SCSI bus reset delivered. "
@@ -874,6 +864,8 @@ struct scsi_host_template aic7xxx_driver_template = {
.slave_alloc = ahc_linux_slave_alloc,
.slave_configure = ahc_linux_slave_configure,
.slave_destroy = ahc_linux_slave_destroy,
+ .target_alloc = ahc_linux_target_alloc,
+ .target_destroy = ahc_linux_target_destroy,
};
/**************************** Tasklet Handler *********************************/
@@ -1112,8 +1104,6 @@ aic7xxx_setup(char *s)
{ "debug", &ahc_debug },
#endif
{ "reverse_scan", &aic7xxx_reverse_scan },
- { "no_probe", &aic7xxx_probe_eisa_vl },
- { "probe_eisa_vl", &aic7xxx_probe_eisa_vl },
{ "periodic_otag", &aic7xxx_periodic_otag },
{ "pci_parity", &aic7xxx_pci_parity },
{ "seltime", &aic7xxx_seltime },
@@ -1335,8 +1325,7 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg)
void
ahc_platform_free(struct ahc_softc *ahc)
{
- struct ahc_linux_target *targ;
- struct ahc_linux_device *dev;
+ struct scsi_target *starget;
int i, j;
if (ahc->platform_data != NULL) {
@@ -1347,22 +1336,17 @@ ahc_platform_free(struct ahc_softc *ahc)
/* destroy all of the device and target objects */
for (i = 0; i < AHC_NUM_TARGETS; i++) {
- targ = ahc->platform_data->targets[i];
- if (targ != NULL) {
- /* Keep target around through the loop. */
- targ->refcount++;
+ starget = ahc->platform_data->starget[i];
+ if (starget != NULL) {
for (j = 0; j < AHC_NUM_LUNS; j++) {
+ struct ahc_linux_target *targ =
+ scsi_transport_target_data(starget);
- if (targ->devices[j] == NULL)
+ if (targ->sdev[j] == NULL)
continue;
- dev = targ->devices[j];
- ahc_linux_free_device(ahc, dev);
+ targ->sdev[j] = NULL;
}
- /*
- * Forcibly free the target now that
- * all devices are gone.
- */
- ahc_linux_free_target(ahc, targ);
+ ahc->platform_data->starget[i] = NULL;
}
}
@@ -1395,15 +1379,25 @@ void
ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
ahc_queue_alg alg)
{
+ struct scsi_target *starget;
+ struct ahc_linux_target *targ;
struct ahc_linux_device *dev;
+ struct scsi_device *sdev;
+ u_int target_offset;
int was_queuing;
int now_queuing;
- dev = ahc_linux_get_device(ahc, devinfo->channel - 'A',
- devinfo->target,
- devinfo->lun);
- if (dev == NULL)
+ target_offset = devinfo->target;
+ if (devinfo->channel != 'A')
+ target_offset += 8;
+ starget = ahc->platform_data->starget[target_offset];
+ targ = scsi_transport_target_data(starget);
+ BUG_ON(targ == NULL);
+ sdev = targ->sdev[devinfo->lun];
+ if (sdev == NULL)
return;
+ dev = scsi_transport_device_data(sdev);
+
was_queuing = dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED);
switch (alg) {
default:
@@ -1454,30 +1448,28 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
dev->maxtags = 0;
dev->openings = 1 - dev->active;
}
- if (dev->scsi_device != NULL) {
- switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) {
- case AHC_DEV_Q_BASIC:
- scsi_adjust_queue_depth(dev->scsi_device,
- MSG_SIMPLE_TASK,
- dev->openings + dev->active);
- break;
- case AHC_DEV_Q_TAGGED:
- scsi_adjust_queue_depth(dev->scsi_device,
- MSG_ORDERED_TASK,
- dev->openings + dev->active);
- break;
- default:
- /*
- * We allow the OS to queue 2 untagged transactions to
- * us at any time even though we can only execute them
- * serially on the controller/device. This should
- * remove some latency.
- */
- scsi_adjust_queue_depth(dev->scsi_device,
- /*NON-TAGGED*/0,
- /*queue depth*/2);
- break;
- }
+ switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) {
+ case AHC_DEV_Q_BASIC:
+ scsi_adjust_queue_depth(sdev,
+ MSG_SIMPLE_TASK,
+ dev->openings + dev->active);
+ break;
+ case AHC_DEV_Q_TAGGED:
+ scsi_adjust_queue_depth(sdev,
+ MSG_ORDERED_TASK,
+ dev->openings + dev->active);
+ break;
+ default:
+ /*
+ * We allow the OS to queue 2 untagged transactions to
+ * us at any time even though we can only execute them
+ * serially on the controller/device. This should
+ * remove some latency.
+ */
+ scsi_adjust_queue_depth(sdev,
+ /*NON-TAGGED*/0,
+ /*queue depth*/2);
+ break;
}
}
@@ -1523,22 +1515,20 @@ ahc_linux_user_tagdepth(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
* Determines the queue depth for a given device.
*/
static void
-ahc_linux_device_queue_depth(struct ahc_softc *ahc,
- struct ahc_linux_device *dev)
+ahc_linux_device_queue_depth(struct scsi_device *sdev)
{
struct ahc_devinfo devinfo;
u_int tags;
+ struct ahc_softc *ahc = *((struct ahc_softc **)sdev->host->hostdata);
ahc_compile_devinfo(&devinfo,
- dev->target->channel == 0
+ sdev->sdev_target->channel == 0
? ahc->our_id : ahc->our_id_b,
- dev->target->target, dev->lun,
- dev->target->channel == 0 ? 'A' : 'B',
+ sdev->sdev_target->id, sdev->lun,
+ sdev->sdev_target->channel == 0 ? 'A' : 'B',
ROLE_INITIATOR);
tags = ahc_linux_user_tagdepth(ahc, &devinfo);
- if (tags != 0
- && dev->scsi_device != NULL
- && dev->scsi_device->tagged_supported != 0) {
+ if (tags != 0 && sdev->tagged_supported != 0) {
ahc_set_tags(ahc, &devinfo, AHC_QUEUE_TAGGED);
ahc_print_devinfo(ahc, &devinfo);
@@ -1587,10 +1577,9 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev,
/*
* Get an scb to use.
*/
- if ((scb = ahc_get_scb(ahc)) == NULL) {
- ahc->flags |= AHC_RESOURCE_SHORTAGE;
- return SCSI_MLQUEUE_HOST_BUSY;
- }
+ scb = ahc_get_scb(ahc);
+ if (!scb)
+ return SCSI_MLQUEUE_HOST_BUSY;
scb->io_ctx = cmd;
scb->platform_data->dev = dev;
@@ -1767,106 +1756,6 @@ ahc_platform_flushwork(struct ahc_softc *ahc)
}
-static struct ahc_linux_target*
-ahc_linux_alloc_target(struct ahc_softc *ahc, u_int channel, u_int target)
-{
- struct ahc_linux_target *targ;
- u_int target_offset;
-
- target_offset = target;
- if (channel != 0)
- target_offset += 8;
-
- targ = malloc(sizeof(*targ), M_DEVBUG, M_NOWAIT);
- if (targ == NULL)
- return (NULL);
- memset(targ, 0, sizeof(*targ));
- targ->channel = channel;
- targ->target = target;
- targ->ahc = ahc;
- ahc->platform_data->targets[target_offset] = targ;
- return (targ);
-}
-
-static void
-ahc_linux_free_target(struct ahc_softc *ahc, struct ahc_linux_target *targ)
-{
- struct ahc_devinfo devinfo;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- u_int our_id;
- u_int target_offset;
- char channel;
-
- /*
- * Force a negotiation to async/narrow on any
- * future command to this device unless a bus
- * reset occurs between now and that command.
- */
- channel = 'A' + targ->channel;
- our_id = ahc->our_id;
- target_offset = targ->target;
- if (targ->channel != 0) {
- target_offset += 8;
- our_id = ahc->our_id_b;
- }
- tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
- targ->target, &tstate);
- ahc_compile_devinfo(&devinfo, our_id, targ->target, CAM_LUN_WILDCARD,
- channel, ROLE_INITIATOR);
- ahc_set_syncrate(ahc, &devinfo, NULL, 0, 0, 0,
- AHC_TRANS_GOAL, /*paused*/FALSE);
- ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
- AHC_TRANS_GOAL, /*paused*/FALSE);
- ahc_update_neg_request(ahc, &devinfo, tstate, tinfo, AHC_NEG_ALWAYS);
- ahc->platform_data->targets[target_offset] = NULL;
- free(targ, M_DEVBUF);
-}
-
-static struct ahc_linux_device*
-ahc_linux_alloc_device(struct ahc_softc *ahc,
- struct ahc_linux_target *targ, u_int lun)
-{
- struct ahc_linux_device *dev;
-
- dev = malloc(sizeof(*dev), M_DEVBUG, M_NOWAIT);
- if (dev == NULL)
- return (NULL);
- memset(dev, 0, sizeof(*dev));
- dev->lun = lun;
- dev->target = targ;
-
- /*
- * We start out life using untagged
- * transactions of which we allow one.
- */
- dev->openings = 1;
-
- /*
- * Set maxtags to 0. This will be changed if we
- * later determine that we are dealing with
- * a tagged queuing capable device.
- */
- dev->maxtags = 0;
-
- targ->refcount++;
- targ->devices[lun] = dev;
- return (dev);
-}
-
-static void
-ahc_linux_free_device(struct ahc_softc *ahc, struct ahc_linux_device *dev)
-{
- struct ahc_linux_target *targ;
-
- targ = dev->target;
- targ->devices[dev->lun] = NULL;
- free(dev, M_DEVBUF);
- targ->refcount--;
- if (targ->refcount == 0)
- ahc_linux_free_target(ahc, targ);
-}
-
void
ahc_send_async(struct ahc_softc *ahc, char channel,
u_int target, u_int lun, ac_code code, void *arg)
@@ -1875,11 +1764,15 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
case AC_TRANSFER_NEG:
{
char buf[80];
+ struct scsi_target *starget;
struct ahc_linux_target *targ;
struct info_str info;
struct ahc_initiator_tinfo *tinfo;
struct ahc_tmode_tstate *tstate;
int target_offset;
+ unsigned int target_ppr_options;
+
+ BUG_ON(target == CAM_TARGET_WILDCARD);
info.buffer = buf;
info.length = sizeof(buf);
@@ -1908,32 +1801,30 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
target_offset = target;
if (channel == 'B')
target_offset += 8;
- targ = ahc->platform_data->targets[target_offset];
+ starget = ahc->platform_data->starget[target_offset];
+ targ = scsi_transport_target_data(starget);
if (targ == NULL)
break;
- if (tinfo->curr.period == targ->last_tinfo.period
- && tinfo->curr.width == targ->last_tinfo.width
- && tinfo->curr.offset == targ->last_tinfo.offset
- && tinfo->curr.ppr_options == targ->last_tinfo.ppr_options)
+
+ target_ppr_options =
+ (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
+ + (spi_qas(starget) ? MSG_EXT_PPR_QAS_REQ : 0)
+ + (spi_iu(starget) ? MSG_EXT_PPR_IU_REQ : 0);
+
+ if (tinfo->curr.period == spi_period(starget)
+ && tinfo->curr.width == spi_width(starget)
+ && tinfo->curr.offset == spi_offset(starget)
+ && tinfo->curr.ppr_options == target_ppr_options)
if (bootverbose == 0)
break;
- targ->last_tinfo.period = tinfo->curr.period;
- targ->last_tinfo.width = tinfo->curr.width;
- targ->last_tinfo.offset = tinfo->curr.offset;
- targ->last_tinfo.ppr_options = tinfo->curr.ppr_options;
-
- printf("(%s:%c:", ahc_name(ahc), channel);
- if (target == CAM_TARGET_WILDCARD)
- printf("*): ");
- else
- printf("%d): ", target);
- ahc_format_transinfo(&info, &tinfo->curr);
- if (info.pos < info.length)
- *info.buffer = '\0';
- else
- buf[info.length - 1] = '\0';
- printf("%s", buf);
+ spi_period(starget) = tinfo->curr.period;
+ spi_width(starget) = tinfo->curr.width;
+ spi_offset(starget) = tinfo->curr.offset;
+ spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
+ spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
+ spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
+ spi_display_xfer_agreement(starget);
break;
}
case AC_SENT_BDR:
@@ -2038,7 +1929,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
ahc_set_transaction_status(scb, CAM_REQ_CMP);
}
} else if (ahc_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) {
- ahc_linux_handle_scsi_status(ahc, dev, scb);
+ ahc_linux_handle_scsi_status(ahc, cmd->device, scb);
}
if (dev->openings == 1
@@ -2077,14 +1968,15 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
static void
ahc_linux_handle_scsi_status(struct ahc_softc *ahc,
- struct ahc_linux_device *dev, struct scb *scb)
+ struct scsi_device *sdev, struct scb *scb)
{
struct ahc_devinfo devinfo;
+ struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
ahc_compile_devinfo(&devinfo,
ahc->our_id,
- dev->target->target, dev->lun,
- dev->target->channel == 0 ? 'A' : 'B',
+ sdev->sdev_target->id, sdev->lun,
+ sdev->sdev_target->channel == 0 ? 'A' : 'B',
ROLE_INITIATOR);
/*
@@ -2361,6 +2253,8 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
printf(" 0x%x", cmd->cmnd[cdb_byte]);
printf("\n");
+ spin_lock_irq(&ahc->platform_data->spin_lock);
+
/*
* First determine if we currently own this command.
* Start by searching the device queue. If not found
@@ -2368,8 +2262,7 @@ ahc_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
* at all, and the system wanted us to just abort the
* command, return success.
*/
- dev = ahc_linux_get_device(ahc, cmd->device->channel, cmd->device->id,
- cmd->device->lun);
+ dev = scsi_transport_device_data(cmd->device);
if (dev == NULL) {
/*
@@ -2616,6 +2509,8 @@ done:
}
spin_lock_irq(&ahc->platform_data->spin_lock);
}
+
+ spin_unlock_irq(&ahc->platform_data->spin_lock);
return (retval);
}
@@ -2626,18 +2521,6 @@ ahc_platform_dump_card_state(struct ahc_softc *ahc)
static void ahc_linux_exit(void);
-static void ahc_linux_get_width(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_width(starget) = tinfo->curr.width;
-}
-
static void ahc_linux_set_width(struct scsi_target *starget, int width)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2652,18 +2535,6 @@ static void ahc_linux_set_width(struct scsi_target *starget, int width)
ahc_unlock(ahc, &flags);
}
-static void ahc_linux_get_period(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_period(starget) = tinfo->curr.period;
-}
-
static void ahc_linux_set_period(struct scsi_target *starget, int period)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2674,9 +2545,9 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period)
starget->channel + 'A',
shost->this_id, starget->id, &tstate);
struct ahc_devinfo devinfo;
- unsigned int ppr_options = tinfo->curr.ppr_options;
+ unsigned int ppr_options = tinfo->goal.ppr_options;
unsigned long flags;
- unsigned long offset = tinfo->curr.offset;
+ unsigned long offset = tinfo->goal.offset;
struct ahc_syncrate *syncrate;
if (offset == 0)
@@ -2692,7 +2563,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period)
/* all PPR requests apart from QAS require wide transfers */
if (ppr_options & ~MSG_EXT_PPR_QAS_REQ) {
- ahc_linux_get_width(starget);
if (spi_width(starget) == 0)
ppr_options &= MSG_EXT_PPR_QAS_REQ;
}
@@ -2704,18 +2574,6 @@ static void ahc_linux_set_period(struct scsi_target *starget, int period)
ahc_unlock(ahc, &flags);
}
-static void ahc_linux_get_offset(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_offset(starget) = tinfo->curr.offset;
-}
-
static void ahc_linux_set_offset(struct scsi_target *starget, int offset)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2735,8 +2593,8 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset)
starget->channel + 'A', ROLE_INITIATOR);
if (offset != 0) {
syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT);
- period = tinfo->curr.period;
- ppr_options = tinfo->curr.ppr_options;
+ period = tinfo->goal.period;
+ ppr_options = tinfo->goal.ppr_options;
}
ahc_lock(ahc, &flags);
ahc_set_syncrate(ahc, &devinfo, syncrate, period, offset,
@@ -2744,18 +2602,6 @@ static void ahc_linux_set_offset(struct scsi_target *starget, int offset)
ahc_unlock(ahc, &flags);
}
-static void ahc_linux_get_dt(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
-}
-
static void ahc_linux_set_dt(struct scsi_target *starget, int dt)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2766,9 +2612,9 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt)
starget->channel + 'A',
shost->this_id, starget->id, &tstate);
struct ahc_devinfo devinfo;
- unsigned int ppr_options = tinfo->curr.ppr_options
+ unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_DT_REQ;
- unsigned int period = tinfo->curr.period;
+ unsigned int period = tinfo->goal.period;
unsigned long flags;
struct ahc_syncrate *syncrate;
@@ -2782,23 +2628,11 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt)
starget->channel + 'A', ROLE_INITIATOR);
syncrate = ahc_find_syncrate(ahc, &period, &ppr_options,AHC_SYNCRATE_DT);
ahc_lock(ahc, &flags);
- ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset,
+ ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset,
ppr_options, AHC_TRANS_GOAL, FALSE);
ahc_unlock(ahc, &flags);
}
-static void ahc_linux_get_qas(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
-}
-
static void ahc_linux_set_qas(struct scsi_target *starget, int qas)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2809,9 +2643,9 @@ static void ahc_linux_set_qas(struct scsi_target *starget, int qas)
starget->channel + 'A',
shost->this_id, starget->id, &tstate);
struct ahc_devinfo devinfo;
- unsigned int ppr_options = tinfo->curr.ppr_options
+ unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_QAS_REQ;
- unsigned int period = tinfo->curr.period;
+ unsigned int period = tinfo->goal.period;
unsigned long flags;
struct ahc_syncrate *syncrate;
@@ -2822,23 +2656,11 @@ static void ahc_linux_set_qas(struct scsi_target *starget, int qas)
starget->channel + 'A', ROLE_INITIATOR);
syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT);
ahc_lock(ahc, &flags);
- ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset,
+ ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset,
ppr_options, AHC_TRANS_GOAL, FALSE);
ahc_unlock(ahc, &flags);
}
-static void ahc_linux_get_iu(struct scsi_target *starget)
-{
- struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
- struct ahc_softc *ahc = *((struct ahc_softc **)shost->hostdata);
- struct ahc_tmode_tstate *tstate;
- struct ahc_initiator_tinfo *tinfo
- = ahc_fetch_transinfo(ahc,
- starget->channel + 'A',
- shost->this_id, starget->id, &tstate);
- spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
-}
-
static void ahc_linux_set_iu(struct scsi_target *starget, int iu)
{
struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2849,9 +2671,9 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu)
starget->channel + 'A',
shost->this_id, starget->id, &tstate);
struct ahc_devinfo devinfo;
- unsigned int ppr_options = tinfo->curr.ppr_options
+ unsigned int ppr_options = tinfo->goal.ppr_options
& ~MSG_EXT_PPR_IU_REQ;
- unsigned int period = tinfo->curr.period;
+ unsigned int period = tinfo->goal.period;
unsigned long flags;
struct ahc_syncrate *syncrate;
@@ -2862,28 +2684,22 @@ static void ahc_linux_set_iu(struct scsi_target *starget, int iu)
starget->channel + 'A', ROLE_INITIATOR);
syncrate = ahc_find_syncrate(ahc, &period, &ppr_options, AHC_SYNCRATE_DT);
ahc_lock(ahc, &flags);
- ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->curr.offset,
+ ahc_set_syncrate(ahc, &devinfo, syncrate, period, tinfo->goal.offset,
ppr_options, AHC_TRANS_GOAL, FALSE);
ahc_unlock(ahc, &flags);
}
static struct spi_function_template ahc_linux_transport_functions = {
- .get_offset = ahc_linux_get_offset,
.set_offset = ahc_linux_set_offset,
.show_offset = 1,
- .get_period = ahc_linux_get_period,
.set_period = ahc_linux_set_period,
.show_period = 1,
- .get_width = ahc_linux_get_width,
.set_width = ahc_linux_set_width,
.show_width = 1,
- .get_dt = ahc_linux_get_dt,
.set_dt = ahc_linux_set_dt,
.show_dt = 1,
- .get_iu = ahc_linux_get_iu,
.set_iu = ahc_linux_set_iu,
.show_iu = 1,
- .get_qas = ahc_linux_get_qas,
.set_qas = ahc_linux_set_qas,
.show_qas = 1,
};
@@ -2896,6 +2712,10 @@ ahc_linux_init(void)
ahc_linux_transport_template = spi_attach_transport(&ahc_linux_transport_functions);
if (!ahc_linux_transport_template)
return -ENODEV;
+ scsi_transport_reserve_target(ahc_linux_transport_template,
+ sizeof(struct ahc_linux_target));
+ scsi_transport_reserve_device(ahc_linux_transport_template,
+ sizeof(struct ahc_linux_device));
if (ahc_linux_detect(&aic7xxx_driver_template))
return 0;
spi_release_transport(ahc_linux_transport_template);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index 30c200d..8ffe2d3 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -79,6 +79,8 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
/* Core SCSI definitions */
#define AIC_LIB_PREFIX ahc
@@ -127,23 +129,6 @@ typedef struct scsi_cmnd *ahc_io_ctx_t;
#define ahc_le32toh(x) le32_to_cpu(x)
#define ahc_le64toh(x) le64_to_cpu(x)
-#ifndef LITTLE_ENDIAN
-#define LITTLE_ENDIAN 1234
-#endif
-
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#endif
-
-#ifndef BYTE_ORDER
-#if defined(__BIG_ENDIAN)
-#define BYTE_ORDER BIG_ENDIAN
-#endif
-#if defined(__LITTLE_ENDIAN)
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-#endif /* BYTE_ORDER */
-
/************************* Configuration Data *********************************/
extern u_int aic7xxx_no_probe;
extern u_int aic7xxx_allow_memio;
@@ -283,35 +268,6 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec)
#define AIC7XXX_DRIVER_VERSION "6.2.36"
-/**************************** Front End Queues ********************************/
-/*
- * Data structure used to cast the Linux struct scsi_cmnd to something
- * that allows us to use the queue macros. The linux structure has
- * plenty of space to hold the links fields as required by the queue
- * macros, but the queue macors require them to have the correct type.
- */
-struct ahc_cmd_internal {
- /* Area owned by the Linux scsi layer. */
- uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
- union {
- STAILQ_ENTRY(ahc_cmd) ste;
- LIST_ENTRY(ahc_cmd) le;
- TAILQ_ENTRY(ahc_cmd) tqe;
- } links;
- uint32_t end;
-};
-
-struct ahc_cmd {
- union {
- struct ahc_cmd_internal icmd;
- struct scsi_cmnd scsi_cmd;
- } un;
-};
-
-#define acmd_icmd(cmd) ((cmd)->un.icmd)
-#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
-#define acmd_links un.icmd.links
-
/*************************** Device Data Structures ***************************/
/*
* A per probed device structure used to deal with some error recovery
@@ -320,7 +276,6 @@ struct ahc_cmd {
* after a successfully completed inquiry command to the target when
* that inquiry data indicates a lun is present.
*/
-TAILQ_HEAD(ahc_busyq, ahc_cmd);
typedef enum {
AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
@@ -330,8 +285,6 @@ typedef enum {
struct ahc_linux_target;
struct ahc_linux_device {
- TAILQ_ENTRY(ahc_linux_device) links;
-
/*
* The number of transactions currently
* queued to the device.
@@ -401,17 +354,10 @@ struct ahc_linux_device {
*/
u_int commands_since_idle_or_otag;
#define AHC_OTAG_THRESH 500
-
- int lun;
- struct scsi_device *scsi_device;
- struct ahc_linux_target *target;
};
struct ahc_linux_target {
- struct ahc_linux_device *devices[AHC_NUM_LUNS];
- int channel;
- int target;
- int refcount;
+ struct scsi_device *sdev[AHC_NUM_LUNS];
struct ahc_transinfo last_tinfo;
struct ahc_softc *ahc;
};
@@ -445,7 +391,7 @@ struct ahc_platform_data {
/*
* Fields accessed from interrupt context.
*/
- struct ahc_linux_target *targets[AHC_NUM_TARGETS];
+ struct scsi_target *starget[AHC_NUM_TARGETS];
spinlock_t spin_lock;
u_int qfrozen;
@@ -659,7 +605,6 @@ typedef enum
/**************************** VL/EISA Routines ********************************/
#ifdef CONFIG_EISA
-extern uint32_t aic7xxx_probe_eisa_vl;
int ahc_linux_eisa_init(void);
void ahc_linux_eisa_exit(void);
int aic7770_map_registers(struct ahc_softc *ahc,
@@ -924,7 +869,6 @@ ahc_notify_xfer_settings_change(struct ahc_softc *ahc,
static __inline void
ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb)
{
- ahc->flags &= ~AHC_RESOURCE_SHORTAGE;
}
int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index 2a0ebce..89d737e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -140,27 +140,17 @@ struct pci_driver aic7xxx_pci_driver = {
static void
ahc_linux_pci_dev_remove(struct pci_dev *pdev)
{
- struct ahc_softc *ahc;
- u_long l;
+ struct ahc_softc *ahc = pci_get_drvdata(pdev);
+ u_long s;
- /*
- * We should be able to just perform
- * the free directly, but check our
- * list for extra sanity.
- */
- ahc_list_lock(&l);
- ahc = ahc_find_softc((struct ahc_softc *)pci_get_drvdata(pdev));
- if (ahc != NULL) {
- u_long s;
+ ahc_list_lock(&s);
+ TAILQ_REMOVE(&ahc_tailq, ahc, links);
+ ahc_list_unlock(&s);
- TAILQ_REMOVE(&ahc_tailq, ahc, links);
- ahc_list_unlock(&l);
- ahc_lock(ahc, &s);
- ahc_intr_enable(ahc, FALSE);
- ahc_unlock(ahc, &s);
- ahc_free(ahc);
- } else
- ahc_list_unlock(&l);
+ ahc_lock(ahc, &s);
+ ahc_intr_enable(ahc, FALSE);
+ ahc_unlock(ahc, &s);
+ ahc_free(ahc);
}
static int
@@ -174,22 +164,6 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
char *name;
int error;
- /*
- * Some BIOSen report the same device multiple times.
- */
- TAILQ_FOREACH(ahc, &ahc_tailq, links) {
- struct pci_dev *probed_pdev;
-
- probed_pdev = ahc->dev_softc;
- if (probed_pdev->bus->number == pdev->bus->number
- && probed_pdev->devfn == pdev->devfn)
- break;
- }
- if (ahc != NULL) {
- /* Skip duplicate. */
- return (-ENODEV);
- }
-
pci = pdev;
entry = ahc_find_pci_device(pci);
if (entry == NULL)
diff --git a/drivers/scsi/aic7xxx/aic7xxx_proc.c b/drivers/scsi/aic7xxx/aic7xxx_proc.c
index 5fece85..ab4469d 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_proc.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_proc.c
@@ -50,7 +50,7 @@ static void ahc_dump_target_state(struct ahc_softc *ahc,
u_int our_id, char channel,
u_int target_id, u_int target_offset);
static void ahc_dump_device_state(struct info_str *info,
- struct ahc_linux_device *dev);
+ struct scsi_device *dev);
static int ahc_proc_write_seeprom(struct ahc_softc *ahc,
char *buffer, int length);
@@ -142,6 +142,7 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
u_int target_offset)
{
struct ahc_linux_target *targ;
+ struct scsi_target *starget;
struct ahc_initiator_tinfo *tinfo;
struct ahc_tmode_tstate *tstate;
int lun;
@@ -153,7 +154,8 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
copy_info(info, "Target %d Negotiation Settings\n", target_id);
copy_info(info, "\tUser: ");
ahc_format_transinfo(info, &tinfo->user);
- targ = ahc->platform_data->targets[target_offset];
+ starget = ahc->platform_data->starget[target_offset];
+ targ = scsi_transport_target_data(starget);
if (targ == NULL)
return;
@@ -163,22 +165,25 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
ahc_format_transinfo(info, &tinfo->curr);
for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
- struct ahc_linux_device *dev;
+ struct scsi_device *sdev;
- dev = targ->devices[lun];
+ sdev = targ->sdev[lun];
- if (dev == NULL)
+ if (sdev == NULL)
continue;
- ahc_dump_device_state(info, dev);
+ ahc_dump_device_state(info, sdev);
}
}
static void
-ahc_dump_device_state(struct info_str *info, struct ahc_linux_device *dev)
+ahc_dump_device_state(struct info_str *info, struct scsi_device *sdev)
{
+ struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
+
copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
- dev->target->channel + 'A', dev->target->target, dev->lun);
+ sdev->sdev_target->channel + 'A',
+ sdev->sdev_target->id, sdev->lun);
copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
copy_info(info, "\t\tCommands Active %d\n", dev->active);
@@ -292,20 +297,13 @@ int
ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
off_t offset, int length, int inout)
{
- struct ahc_softc *ahc;
+ struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
struct info_str info;
char ahc_info[256];
- u_long s;
u_int max_targ;
u_int i;
int retval;
- retval = -EINVAL;
- ahc_list_lock(&s);
- ahc = ahc_find_softc(*(struct ahc_softc **)shost->hostdata);
- if (ahc == NULL)
- goto done;
-
/* Has data been written to the file? */
if (inout == TRUE) {
retval = ahc_proc_write_seeprom(ahc, buffer, length);
@@ -367,6 +365,5 @@ ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
}
retval = info.pos > info.offset ? info.pos - info.offset : 0;
done:
- ahc_list_unlock(&s);
return (retval);
}