On Tuesday 03 November 2015 11:42:30 John Garry wrote:
> >
> There seems to be some misunderstanding. Are you suggesting I change
> sas_smp_task?
> ./include/scsi/libsas.h
> struct sas_smp_task {
> struct scatterlist smp_req;
> struct scatterlist smp_resp;
> };
>
Ah, no. I had no
On 02/11/2015 20:29, Arnd Bergmann wrote:
On Monday 02 November 2015 17:03:58 John Garry wrote:
Can do. Actually sg_req seems only ever has one element:
expander.c, smp_execute_task()
sg_init_one(&task->smp_task.smp_req, req, req_size);
I tried replacing with dma_map_single, but I feel the c
On Monday 02 November 2015 17:03:58 John Garry wrote:
> >
> > Can do. Actually sg_req seems only ever has one element:
> > expander.c, smp_execute_task()
> > sg_init_one(&task->smp_task.smp_req, req, req_size);
> >
> >
> I tried replacing with dma_map_single, but I feel the code is not as
> clean
On 30/10/2015 16:22, John Garry wrote:
On 30/10/2015 13:53, Arnd Bergmann wrote:
On Monday 26 October 2015 22:14:58 John Garry wrote:
+ /*
+ * DMA-map SMP request, response buffers
+ */
+ /* req */
+ sg_req = &task->smp_task.smp_req;
+ elem = dma_map_sg(dev,
On 30/10/2015 13:53, Arnd Bergmann wrote:
On Monday 26 October 2015 22:14:58 John Garry wrote:
+ /*
+ * DMA-map SMP request, response buffers
+ */
+ /* req */
+ sg_req = &task->smp_task.smp_req;
+ elem = dma_map_sg(dev, sg_req, 1, DMA_TO_DEVICE);
+ if (
On Monday 26 October 2015 22:14:58 John Garry wrote:
> + /*
> + * DMA-map SMP request, response buffers
> + */
> + /* req */
> + sg_req = &task->smp_task.smp_req;
> + elem = dma_map_sg(dev, sg_req, 1, DMA_TO_DEVICE);
> + if (!elem)
> + return
Add support for smp function, which allows devices
attached by expander to be controlled
Signed-off-by: John Garry
---
drivers/scsi/hisi_sas/hisi_sas.h | 3 ++
drivers/scsi/hisi_sas/hisi_sas_main.c | 10 +++-
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 93 ++
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