diff options
Diffstat (limited to 'drivers/crypto/ccp/sev-dev.h')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/sev-dev.h b/drivers/crypto/ccp/sev-dev.h index 666c21eb81ab..b1cd556bbbf6 100644 --- a/drivers/crypto/ccp/sev-dev.h +++ b/drivers/crypto/ccp/sev-dev.h @@ -25,8 +25,8 @@ #include <linux/miscdevice.h> #include <linux/capability.h> +#define SEV_CMDRESP_CMD GENMASK(26, 16) #define SEV_CMD_COMPLETE BIT(1) -#define SEV_CMDRESP_CMD_SHIFT 16 #define SEV_CMDRESP_IOC BIT(0) struct sev_misc_dev { @@ -34,6 +34,8 @@ struct sev_misc_dev { struct miscdevice misc; }; +struct sev_tio_status; + struct sev_device { struct device *dev; struct psp_device *psp; @@ -42,7 +44,6 @@ struct sev_device { struct sev_vdata *vdata; - int state; unsigned int int_rcvd; wait_queue_head_t int_queue; struct sev_misc_dev *misc; @@ -52,12 +53,34 @@ struct sev_device { u8 build; void *cmd_buf; + void *cmd_buf_backup; + bool cmd_buf_active; + bool cmd_buf_backup_active; + + bool snp_initialized; + + struct sev_user_data_status sev_plat_status; + + struct sev_user_data_snp_status snp_plat_status; + struct snp_feature_info snp_feat_info_0; + + struct tsm_dev *tsmdev; + struct sev_tio_status *tio_status; }; int sev_dev_init(struct psp_device *psp); void sev_dev_destroy(struct psp_device *psp); +int __sev_do_cmd_locked(int cmd, void *data, int *psp_ret); + void sev_pci_init(void); void sev_pci_exit(void); +struct page *snp_alloc_hv_fixed_pages(unsigned int num_2mb_pages); +void snp_free_hv_fixed_pages(struct page *page); + +void sev_tsm_init_locked(struct sev_device *sev, void *tio_status_page); +void sev_tsm_uninit(struct sev_device *sev); +int sev_tio_cmd_buffer_len(int cmd); + #endif /* __SEV_DEV_H */ |