diff options
Diffstat (limited to 'drivers/scsi')
119 files changed, 5015 insertions, 3857 deletions
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 3e2bdb90813c..dfa93347c752 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -263,6 +263,7 @@ config SCSI_SPI_ATTRS config SCSI_FC_ATTRS tristate "FiberChannel Transport Attributes" depends on SCSI && NET + select BLK_DEV_BSGLIB select SCSI_NETLINK help If you wish to export transport-specific information about @@ -743,40 +744,18 @@ config SCSI_ISCI control unit found in the Intel(R) C600 series chipset. config SCSI_GENERIC_NCR5380 - tristate "Generic NCR5380/53c400 SCSI PIO support" - depends on ISA && SCSI + tristate "Generic NCR5380/53c400 SCSI ISA card support" + depends on ISA && SCSI && HAS_IOPORT_MAP select SCSI_SPI_ATTRS ---help--- - This is a driver for the old NCR 53c80 series of SCSI controllers - on boards using PIO. Most boards such as the Trantor T130 fit this - category, along with a large number of ISA 8bit controllers shipped - for free with SCSI scanners. If you have a PAS16, T128 or DMX3191 - you should select the specific driver for that card rather than - generic 5380 support. - - It is explained in section 3.8 of the SCSI-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. If it doesn't work out - of the box, you may have to change some settings in - <file:drivers/scsi/g_NCR5380.h>. + This is a driver for old ISA card SCSI controllers based on a + NCR 5380, 53C80, 53C400, 53C400A, or DTC 436 device. + Most boards such as the Trantor T130 fit this category, as do + various 8-bit and 16-bit ISA cards bundled with SCSI scanners. To compile this driver as a module, choose M here: the module will be called g_NCR5380. -config SCSI_GENERIC_NCR5380_MMIO - tristate "Generic NCR5380/53c400 SCSI MMIO support" - depends on ISA && SCSI - select SCSI_SPI_ATTRS - ---help--- - This is a driver for the old NCR 53c80 series of SCSI controllers - on boards using memory mapped I/O. - It is explained in section 3.8 of the SCSI-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. If it doesn't work out - of the box, you may have to change some settings in - <file:drivers/scsi/g_NCR5380.h>. - - To compile this driver as a module, choose M here: the - module will be called g_NCR5380_mmio. - config SCSI_IPS tristate "IBM ServeRAID support" depends on PCI && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 1520596f54a6..a2d03957cbe2 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -74,7 +74,6 @@ obj-$(CONFIG_SCSI_ISCI) += isci/ obj-$(CONFIG_SCSI_IPS) += ips.o obj-$(CONFIG_SCSI_FUTURE_DOMAIN)+= fdomain.o obj-$(CONFIG_SCSI_GENERIC_NCR5380) += g_NCR5380.o -obj-$(CONFIG_SCSI_GENERIC_NCR5380_MMIO) += g_NCR5380_mmio.o obj-$(CONFIG_SCSI_NCR53C406A) += NCR53c406a.o obj-$(CONFIG_SCSI_NCR_D700) += 53c700.o NCR_D700.o obj-$(CONFIG_SCSI_NCR_Q720) += NCR_Q720_mod.o diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 790babc5ef66..d849ffa378b1 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -121,9 +121,10 @@ * * Either real DMA *or* pseudo DMA may be implemented * - * NCR5380_dma_write_setup(instance, src, count) - initialize - * NCR5380_dma_read_setup(instance, dst, count) - initialize - * NCR5380_dma_residual(instance); - residual count + * NCR5380_dma_xfer_len - determine size of DMA/PDMA transfer + * NCR5380_dma_send_setup - execute DMA/PDMA from memory to 5380 + * NCR5380_dma_recv_setup - execute DMA/PDMA from 5380 to memory + * NCR5380_dma_residual - residual byte count * * The generic driver is initialized by calling NCR5380_init(instance), * after setting the appropriate host specific fields and ID. If the @@ -178,7 +179,7 @@ static inline void initialize_SCp(struct scsi_cmnd *cmd) /** * NCR5380_poll_politely2 - wait for two chip register values - * @instance: controller to poll + * @hostdata: host private data * @reg1: 5380 register to poll * @bit1: Bitmask to check * @val1: Expected value @@ -195,18 +196,14 @@ static inline void initialize_SCp(struct scsi_cmnd *cmd) * Returns 0 if either or both event(s) occurred otherwise -ETIMEDOUT. */ -static int NCR5380_poll_politely2(struct Scsi_Host *instance, - int reg1, int bit1, int val1, - int reg2, int bit2, int val2, int wait) +static int NCR5380_poll_politely2(struct NCR5380_hostdata *hostdata, + unsigned int reg1, u8 bit1, u8 val1, + unsigned int reg2, u8 bit2, u8 val2, + unsigned long wait) { - struct NCR5380_hostdata *hostdata = shost_priv(instance); + unsigned long n = hostdata->poll_loops; unsigned long deadline = jiffies + wait; - unsigned long n; - /* Busy-wait for up to 10 ms */ - n = min(10000U, jiffies_to_usecs(wait)); - n *= hostdata->accesses_per_ms; - n /= 2000; do { if ((NCR5380_read(reg1) & bit1) == val1) return 0; @@ -288,6 +285,7 @@ mrs[] = { static void NCR5380_print(struct Scsi_Host *instance) { + struct NCR5380_hostdata *hostdata = shost_priv(instance); unsigned char status, data, basr, mr, icr, i; data = NCR5380_read(CURRENT_SCSI_DATA_REG); @@ -337,6 +335,7 @@ static struct { static void NCR5380_print_phase(struct Scsi_Host *instance) { + struct NCR5380_hostdata *hostdata = shost_priv(instance); unsigned char status; int i; @@ -441,14 +440,14 @@ static void prepare_info(struct Scsi_Host *instance) struct NCR5380_hostdata *hostdata = shost_priv(instance); snprintf(hostdata->info, sizeof(hostdata->info), - "%s, io_port 0x%lx, n_io_port %d, " - "base 0x%lx, irq %d, " + "%s, irq %d, " + "io_port 0x%lx, base 0x%lx, " "can_queue %d, cmd_per_lun %d, " "sg_tablesize %d, this_id %d, " "flags { %s%s%s}, " "options { %s} ", - instance->hostt->name, instance->io_port, instance->n_io_port, - instance->base, instance->irq, + instance->hostt->name, instance->irq, + hostdata->io_port, hostdata->base, instance->can_queue, instance->cmd_per_lun, instance->sg_tablesize, instance->this_id, hostdata->flags & FLAG_DMA_FIXUP ? "DMA_FIXUP " : "", @@ -482,6 +481,7 @@ static int NCR5380_init(struct Scsi_Host *instance, int flags) struct NCR5380_hostdata *hostdata = shost_priv(instance); int i; unsigned long deadline; + unsigned long accesses_per_ms; instance->max_lun = 7; @@ -530,7 +530,8 @@ static int NCR5380_init(struct Scsi_Host *instance, int flags) ++i; cpu_relax(); } while (time_is_after_jiffies(deadline)); - hostdata->accesses_per_ms = i / 256; + accesses_per_ms = i / 256; + hostdata->poll_loops = NCR5380_REG_POLL_TIME * accesses_per_ms / 2; return 0; } |