diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_dev.h')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_dev.h | 74 |
1 files changed, 63 insertions, 11 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h index 283e252385fb..0338877b828f 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_dev.h +++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h @@ -8,6 +8,8 @@ #include <linux/if.h> #define VERSION_LEN 32 +/* Maximum queues in PF mode */ +#define MAX_PF_QUEUES 64 /** * struct nitrox_cmdq - NITROX command queue @@ -103,6 +105,61 @@ struct nitrox_q_vector { }; }; +/** + * mbox_msg - Mailbox message data + * @type: message type + * @opcode: message opcode + * @data: message data + */ +union mbox_msg { + u64 value; + struct { + u64 type: 2; + u64 opcode: 6; + u64 data: 58; + }; + struct { + u64 type: 2; + u64 opcode: 6; + u64 chipid: 8; + u64 vfid: 8; + } id; +}; + +/** + * nitrox_vfdev - NITROX VF device instance in PF + * @state: VF device state + * @vfno: VF number + * @nr_queues: number of queues enabled in VF + * @ring: ring to communicate with VF + * @msg: Mailbox message data from VF + * @mbx_resp: Mailbox counters + */ +struct nitrox_vfdev { + atomic_t state; + int vfno; + int nr_queues; + int ring; + union mbox_msg msg; + atomic64_t mbx_resp; +}; + +/** + * struct nitrox_iov - SR-IOV information + * @num_vfs: number of VF(s) enabled + * @max_vf_queues: Maximum number of queues allowed for VF + * @vfdev: VF(s) devices + * @pf2vf_wq: workqueue for PF2VF communication + * @msix: MSI-X entry for PF in SR-IOV case + */ +struct nitrox_iov { + int num_vfs; + int max_vf_queues; + struct nitrox_vfdev *vfdev; + struct workqueue_struct *pf2vf_wq; + struct msix_entry msix; +}; + /* * NITROX Device states */ @@ -150,6 +207,9 @@ enum vf_mode { * @ctx_pool: DMA pool for crypto context * @pkt_inq: Packet input rings * @qvec: MSI-X queue vectors information + * @iov: SR-IOV informatin + * @num_vecs: number of MSI-X vectors + * @stats: request statistics * @hw: hardware information * @debugfs_dir: debugfs directory */ @@ -168,13 +228,13 @@ struct nitrox_device { int node; u16 qlen; u16 nr_queues; - int num_vfs; enum vf_mode mode; struct dma_pool *ctx_pool; struct nitrox_cmdq *pkt_inq; struct nitrox_q_vector *qvec; + struct nitrox_iov iov; int num_vecs; struct nitrox_stats stats; @@ -213,17 +273,9 @@ static inline bool nitrox_ready(struct nitrox_device *ndev) return atomic_read(&ndev->state) == __NDEV_READY; } -#ifdef CONFIG_DEBUG_FS -int nitrox_debugfs_init(struct nitrox_device *ndev); -void nitrox_debugfs_exit(struct nitrox_device *ndev); -#else -static inline int nitrox_debugfs_init(struct nitrox_device *ndev) +static inline bool nitrox_vfdev_ready(struct nitrox_vfdev *vfdev) { - return 0; + return atomic_read(&vfdev->state) == __NDEV_READY; } -static inline void nitrox_debugfs_exit(struct nitrox_device *ndev) -{ } -#endif - #endif /* __NITROX_DEV_H */ |