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| author | Srikanth, Jampala <Jampala.Srikanth@cavium.com> | 2018-12-04 12:55:54 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-12-13 18:24:39 +0800 |
| commit | cf718eaa8f9b2cb8a372dcfd5ef701188e233558 (patch) | |
| tree | 507e4777d71aa728dd0da7343d696aedebdda2b9 /drivers/crypto/cavium/nitrox/nitrox_dev.h | |
| parent | 19c11c97c39f5c6280b4d523ea170ef9a8f7ed12 (diff) | |
| download | linux-cf718eaa8f9b2cb8a372dcfd5ef701188e233558.tar.gz linux-cf718eaa8f9b2cb8a372dcfd5ef701188e233558.tar.bz2 linux-cf718eaa8f9b2cb8a372dcfd5ef701188e233558.zip | |
crypto: cavium/nitrox - Enabled Mailbox support
Enabled the PF->VF Mailbox support. Mailbox message are interpreted
as {type, opcode, data}. Supported message types are REQ, ACK and NACK.
Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_dev.h')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_dev.h | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h index 247df32f687c..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 @@ -104,12 +106,57 @@ 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 - * @msix: MSI-X for PF in SR-IOV case + * @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; }; @@ -226,17 +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 */ |