diff options
| author | Asai Thambi S P <asamymuthupa@micron.com> | 2012-12-20 07:46:25 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-01-11 14:38:57 +0100 |
| commit | 16c906e51c6f08a15763a85b5686e1ded35e77ab (patch) | |
| tree | 19973c1d6187ba167a2b9de49bd071120a71ae6c /drivers/block/mtip32xx/mtip32xx.h | |
| parent | 9931faca02c604c22335f5a935a501bb2ace6e20 (diff) | |
| download | linux-16c906e51c6f08a15763a85b5686e1ded35e77ab.tar.bz2 | |
mtip32xx: Add workqueue and NUMA support
This patch contains
* parallel command completion using workers
* bind the workers to the chosen numa node
* bind isr to the chosen numa node
* allocating memory in the chosen numa node
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/mtip32xx/mtip32xx.h')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index b1742640556a..d782b1aa913e 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -164,6 +164,20 @@ struct smart_attr { u8 res[3]; } __packed; +struct mtip_work { + struct work_struct work; + void *port; + int cpu_binding; + u32 completed; +} ____cacheline_aligned_in_smp; + +#define DEFINE_HANDLER(group) \ + void mtip_workq_sdbf##group(struct work_struct *work) \ + { \ + struct mtip_work *w = (struct mtip_work *) work; \ + mtip_workq_sdbfx(w->port, group, w->completed); \ + } + /* Register Frame Information Structure (FIS), host to device. */ struct host_to_dev_fis { /* @@ -424,7 +438,7 @@ struct mtip_port { */ struct semaphore cmd_slot; /* Spinlock for working around command-issue bug. */ - spinlock_t cmd_issue_lock; + spinlock_t cmd_issue_lock[MTIP_MAX_SLOT_GROUPS]; }; /* @@ -447,9 +461,6 @@ struct driver_data { struct mtip_port *port; /* Pointer to the port data structure. */ - /* Tasklet used to process the bottom half of the ISR. */ - struct tasklet_struct tasklet; - unsigned product_type; /* magic value declaring the product type */ unsigned slot_groups; /* number of slot groups the product supports */ @@ -461,6 +472,18 @@ struct driver_data { struct task_struct *mtip_svc_handler; /* task_struct of svc thd */ struct dentry *dfs_node; + + int numa_node; /* NUMA support */ + + char workq_name[32]; + + struct workqueue_struct *isr_workq; + + struct mtip_work work[MTIP_MAX_SLOT_GROUPS]; + + atomic_t irq_workers_active; + + int isr_binding; }; #endif |