- 26 Nov, 2015 40 commits
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Arnd Bergmann authored
do_div is the wrong way to divide a sector_t, as it is less efficient when sector_t is 32-bit wide. With the upcoming do_div optimizations, the kernel starts warning about this: drivers/scsi/scsi_debug.c: In function 'dif_store': include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast This changes the code to use sector_div instead, which always produces optimal code. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Hannes Reinicke <hare@suse.de> Reviewed-by:
Sagi Grimberg <sagig@mellanox.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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John Garry authored
Originally the driver would use of_irq_count to calculate how much memory is required for storing the interrupt names, since the number of interrupt sources for the controller is variable. Since of_irq_count cannot be used by the driver, use fixed names. Signed-off-by:
John Garry <john.garry@huawei.com> Signed-off-by:
Zhangfei Gao <zhangfei.gao@linaro.org> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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John Garry authored
Add maintainer for HiSilicon SAS driver. Signed-off-by:
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John Garry authored
Add handlers for fatal interrupts. Signed-off-by:
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John Garry authored
Add method for lldd_control_phy. Currently link rate control and spinup hold is unsupported. Signed-off-by:
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John Garry authored
Add function methods for tmf's. Signed-off-by:
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John Garry authored
Add functions for scsi host template scan_finished and scan_start methods. Signed-off-by:
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John Garry authored
Add support for smp function, which allows devices attached by expander to be controlled. Signed-off-by:
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John Garry authored
This is for expander broadcast event. Signed-off-by:
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John Garry authored
Add abnormal irq handler. This handler is concerned with phy down event. Also add port formed and port deformed handlers. Signed-off-by:
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John Garry authored
Add functions to deal with lldd_dev_found and lldd_dev_gone. Signed-off-by:
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John Garry authored
Add cq interrupt handler and also slot error handler function. Signed-off-by:
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John Garry authored
Add path to send ssp command to HW. Signed-off-by:
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John Garry authored
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John Garry authored
Add code to interrupts, so now we can get a phy up interrupt when a disk is connected. Signed-off-by:
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John Garry authored
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John Garry authored
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John Garry authored
Add module init code for v1 hw. Signed-off-by:
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John Garry authored
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John Garry authored
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John Garry authored
Include initialisation. Signed-off-by:
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John Garry authored
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John Garry authored
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John Garry authored
The SAS address for the HBA comes from the device tree. Signed-off-by:
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John Garry authored
Each completion queue has a structure. This is mainly for passing to irq handler so we know which queue the irq occured on. Signed-off-by:
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John Garry authored
Add functionality to init slot indexing. Slot indexing is for the host to track which slots (or tags) are free and which are used. Signed-off-by:
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John Garry authored
This patch also includes relevant memory/pool freeing and sas/scsi host removal. Signed-off-by:
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John Garry authored
Allocate DMA and non-DMA memories for the controller. Also create DMA pools. These include: - Delivery queues - Completion queues - Command status buffer - Command table - ITCT (For device context) - Host slot info - IO status - Breakpoint - host slot indexing - SG data - FIS - interrupts names Signed-off-by:
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John Garry authored
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John Garry authored
Scan the device tree for all properties. Also do this: - do ioremap for SAS registers - allocate memory for interrupt names Signed-off-by:
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John Garry authored
Add functionality to register device as a scsi host. The SAS domain transport ops are empty at this point. Signed-off-by:
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John Garry authored
This patch adds the initial bare main driver for the HiSilicon SAS HBA. This only introduces the changes to build and load the main driver module. The complete driver consists of the core main module and also a module platform driver for driving the hw. The HBA is a platform device. Signed-off-by:
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John Garry authored
Add devicetree bindings for HiSilicon SAS driver. Signed-off-by:
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John Garry authored
The xfer_rdy, command, and task frame's iu structures are not available in <scsi/sas.h>, but only aic94xx driver folder. Add them to include/scsi/sas.h Signed-off-by:
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Ondrej Zary authored
Move 870-specific init code to a separate function atp870_init() Signed-off-by:
Ondrej Zary <linux@rainbow-software.org> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Ondrej Zary authored
Move 885-specific init code to a separate function atp885_init() Signed-off-by:
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Ondrej Zary authored
Move 880-specific init code to a separate function atp880_init() Signed-off-by:
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Ondrej Zary authored
Call _init_tables before chip-specific initialization. This avoids code duplication and fixes a bug(?) in 880 init where the values read from flash into atpdev->sp are then overwritten by calling init_tables. Signed-off-by:
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Ondrej Zary authored
scam_on is used only during probe, no need to keep it later. Signed-off-by:
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Ondrej Zary authored
Allocate IRQ later during probe to avoid code duplication and also remove the need for weird locking in _probe. (It was probably there to prevent race with the IRQ handler?) Signed-off-by:
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