*/
static char *aic7xxx = NULL;
-MODULE_AUTHOR("Maintainer: Justin T. Gibbs <gibbs@scsiguy.com>");
-MODULE_DESCRIPTION("Adaptec Aic77XX/78XX SCSI Host Bus Adapter driver");
+MODULE_AUTHOR("Maintainer: Hannes Reinecke <hare@suse.de>");
+MODULE_DESCRIPTION("Adaptec AIC77XX/78XX SCSI Host Bus Adapter driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(AIC7XXX_DRIVER_VERSION);
module_param(aic7xxx, charp, 0444);
" debug Bitmask of debug values to enable\n"
" no_probe Toggle EISA/VLB controller probing\n"
" probe_eisa_vl Toggle EISA/VLB controller probing\n"
-" no_reset Supress initial bus resets\n"
+" no_reset Suppress initial bus resets\n"
" extended Enable extended geometry on all controllers\n"
" periodic_otag Send an ordered tagged transaction\n"
" periodically to prevent tag starvation.\n"
static int ahc_linux_unit;
+/************************** OS Utility Wrappers *******************************/
+void
+ahc_delay(long usec)
+{
+ /*
+ * udelay on Linux can have problems for
+ * multi-millisecond waits. Wait at most
+ * 1024us per call.
+ */
+ while (usec > 0) {
+ udelay(usec % 1024);
+ usec -= 1024;
+ }
+}
+
+/***************************** Low Level I/O **********************************/
+uint8_t
+ahc_inb(struct ahc_softc * ahc, long port)
+{
+ uint8_t x;
+
+ if (ahc->tag == BUS_SPACE_MEMIO) {
+ x = readb(ahc->bsh.maddr + port);
+ } else {
+ x = inb(ahc->bsh.ioport + port);
+ }
+ mb();
+ return (x);
+}
+
+void
+ahc_outb(struct ahc_softc * ahc, long port, uint8_t val)
+{
+ if (ahc->tag == BUS_SPACE_MEMIO) {
+ writeb(val, ahc->bsh.maddr + port);
+ } else {
+ outb(val, ahc->bsh.ioport + port);
+ }
+ mb();
+}
+
+void
+ahc_outsb(struct ahc_softc * ahc, long port, uint8_t *array, int count)
+{
+ int i;
+
+ /*
+ * There is probably a more efficient way to do this on Linux
+ * but we don't use this for anything speed critical and this
+ * should work.
+ */
+ for (i = 0; i < count; i++)
+ ahc_outb(ahc, port, *array++);
+}
+
+void
+ahc_insb(struct ahc_softc * ahc, long port, uint8_t *array, int count)
+{
+ int i;
+
+ /*
+ * There is probably a more efficient way to do this on Linux
+ * but we don't use this for anything speed critical and this
+ * should work.
+ */
+ for (i = 0; i < count; i++)
+ *array++ = ahc_inb(ahc, port);
+}
+
/********************************* Inlines ************************************/
-static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*);
+static void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*);
-static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
+static 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 void
+static void
ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb)
{
struct scsi_cmnd *cmd;
scsi_dma_unmap(cmd);
}
-static __inline int
+static 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)
{
bp = &buffer[0];
ahc = *(struct ahc_softc **)host->hostdata;
memset(bp, 0, sizeof(buffer));
- strcpy(bp, "Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev ");
- strcat(bp, AIC7XXX_DRIVER_VERSION);
- strcat(bp, "\n");
- strcat(bp, " <");
+ strcpy(bp, "Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev " AIC7XXX_DRIVER_VERSION "\n"
+ " <");
strcat(bp, ahc->description);
- strcat(bp, ">\n");
- strcat(bp, " ");
+ strcat(bp, ">\n"
+ " ");
ahc_controller_info(ahc, ahc_info);
strcat(bp, ahc_info);
strcat(bp, "\n");
.max_sectors = 8192,
.cmd_per_lun = 2,
.use_clustering = ENABLE_CLUSTERING,
- .use_sg_chaining = ENABLE_SG_CHAINING,
.slave_alloc = ahc_linux_slave_alloc,
.slave_configure = ahc_linux_slave_configure,
.target_alloc = ahc_linux_target_alloc,
char *p;
char *end;
- static struct {
+ static const struct {
const char *name;
uint32_t *flag;
} options[] = {
return SCSI_MLQUEUE_DEVICE_BUSY;
}
+ nseg = scsi_dma_map(cmd);
+ if (nseg < 0)
+ return SCSI_MLQUEUE_HOST_BUSY;
+
/*
* Get an scb to use.
*/
scb = ahc_get_scb(ahc);
- if (!scb)
+ if (!scb) {
+ scsi_dma_unmap(cmd);
return SCSI_MLQUEUE_HOST_BUSY;
+ }
scb->io_ctx = cmd;
scb->platform_data->dev = dev;
ahc_set_sense_residual(scb, 0);
scb->sg_count = 0;
- nseg = scsi_dma_map(cmd);
- BUG_ON(nseg < 0);
if (nseg > 0) {
struct ahc_dma_seg *sg;
struct scatterlist *cur_seg;
untagged_q = &(ahc->untagged_queues[target_offset]);
TAILQ_REMOVE(untagged_q, scb, links.tqe);
BUG_ON(!TAILQ_EMPTY(untagged_q));
- }
-
- if ((scb->flags & SCB_ACTIVE) == 0) {
+ } else if ((scb->flags & SCB_ACTIVE) == 0) {
+ /*
+ * Transactions aborted from the untagged queue may
+ * not have been dispatched to the controller, so
+ * only check the SCB_ACTIVE flag for tagged transactions.
+ */
printf("SCB %d done'd twice\n", scb->hscb->tag);
ahc_dump_card_state(ahc);
panic("Stopping for safety");
sense_size = min(sizeof(struct scsi_sense_data)
- ahc_get_sense_residual(scb),
- (u_long)sizeof(cmd->sense_buffer));
+ (u_long)SCSI_SENSE_BUFFERSIZE);
memcpy(cmd->sense_buffer,
ahc_get_sense_buf(ahc, scb), sense_size);
- if (sense_size < sizeof(cmd->sense_buffer))
+ if (sense_size < SCSI_SENSE_BUFFERSIZE)
memset(&cmd->sense_buffer[sense_size], 0,
- sizeof(cmd->sense_buffer) - sense_size);
+ SCSI_SENSE_BUFFERSIZE - sense_size);
cmd->result |= (DRIVER_SENSE << 24);
#ifdef AHC_DEBUG
if (ahc_debug & AHC_SHOW_SENSE) {
unsigned int ppr_options = tinfo->goal.ppr_options;
unsigned long flags;
unsigned long offset = tinfo->goal.offset;
- struct ahc_syncrate *syncrate;
+ const struct ahc_syncrate *syncrate;
if (offset == 0)
offset = MAX_OFFSET;
unsigned int ppr_options = 0;
unsigned int period = 0;
unsigned long flags;
- struct ahc_syncrate *syncrate = NULL;
+ const struct ahc_syncrate *syncrate = NULL;
ahc_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
starget->channel + 'A', ROLE_INITIATOR);
unsigned int period = tinfo->goal.period;
unsigned int width = tinfo->goal.width;
unsigned long flags;
- struct ahc_syncrate *syncrate;
+ const struct ahc_syncrate *syncrate;
if (dt && spi_max_width(starget)) {
ppr_options |= MSG_EXT_PPR_DT_REQ;
projects / linux-2.6-omap-h63xx.git / blobdiff