diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_dev.h')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_dev.h | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h index abb5c8ac54e5..62fb75923bfe 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_dev.h +++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h @@ -9,44 +9,51 @@ #define VERSION_LEN 32 +/** + * struct nitrox_cmdq - NITROX command queue + * @cmd_qlock: command queue lock + * @resp_qlock: response queue lock + * @backlog_qlock: backlog queue lock + * @ndev: NITROX device + * @response_head: submitted request list + * @backlog_head: backlog queue + * @dbell_csr_addr: doorbell register address for this queue + * @base: command queue base address + * @dma: dma address of the base + * @pending_count: request pending at device + * @backlog_count: backlog request count + * @write_idx: next write index for the command + * @instr_size: command size + * @qno: command queue number + * @qsize: command queue size + * @unalign_base: unaligned base address + * @unalign_dma: unaligned dma address + */ struct nitrox_cmdq { - /* command queue lock */ - spinlock_t cmdq_lock; - /* response list lock */ - spinlock_t response_lock; - /* backlog list lock */ - spinlock_t backlog_lock; - - /* request submitted to chip, in progress */ + spinlock_t cmd_qlock; + spinlock_t resp_qlock; + spinlock_t backlog_qlock; + + struct nitrox_device *ndev; struct list_head response_head; - /* hw queue full, hold in backlog list */ struct list_head backlog_head; - /* doorbell address */ u8 __iomem *dbell_csr_addr; - /* base address of the queue */ - u8 *head; + u8 *base; + dma_addr_t dma; - struct nitrox_device *ndev; - /* flush pending backlog commands */ struct work_struct backlog_qflush; - /* requests posted waiting for completion */ atomic_t pending_count; - /* requests in backlog queues */ atomic_t backlog_count; int write_idx; - /* command size 32B/64B */ u8 instr_size; u8 qno; u32 qsize; - /* unaligned addresses */ - u8 *head_unaligned; - dma_addr_t dma_unaligned; - /* dma address of the base */ - dma_addr_t dma; + u8 *unalign_base; + dma_addr_t unalign_dma; }; /** @@ -152,7 +159,7 @@ enum vf_mode { * @nr_queues: Number of command queues * @mode: Device mode PF/VF * @ctx_pool: DMA pool for crypto context - * @pkt_cmdqs: SE Command queues + * @pkt_inq: Packet input rings * @msix: MSI-X information * @bh: post processing work * @hw: hardware information @@ -177,7 +184,7 @@ struct nitrox_device { enum vf_mode mode; struct dma_pool *ctx_pool; - struct nitrox_cmdq *pkt_cmdqs; + struct nitrox_cmdq *pkt_inq; struct nitrox_msix msix; struct nitrox_bh bh; |