diff options
Diffstat (limited to 'drivers/thunderbolt/tb.h')
| -rw-r--r-- | drivers/thunderbolt/tb.h | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 75b6ad5923ad..33524503a422 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -23,11 +23,6 @@ #define NVM_MAX_SIZE SZ_512K #define NVM_DATA_DWORDS 16 -/* Intel specific NVM offsets */ -#define NVM_DEVID 0x05 -#define NVM_VERSION 0x08 -#define NVM_FLASH_SIZE 0x45 - /** * struct tb_nvm - Structure holding NVM information * @dev: Owner of the NVM @@ -35,13 +30,17 @@ * @minor: Minor version number of the active NVM portion * @id: Identifier used with both NVM portions * @active: Active portion NVMem device + * @active_size: Size in bytes of the active NVM * @non_active: Non-active portion NVMem device * @buf: Buffer where the NVM image is stored before it is written to * the actual NVM flash device + * @buf_data_start: Where the actual image starts after skipping + * possible headers * @buf_data_size: Number of bytes actually consumed by the new NVM * image * @authenticating: The device is authenticating the new NVM * @flushed: The image has been flushed to the storage area + * @vops: Router vendor specific NVM operations (optional) * * The user of this structure needs to handle serialization of possible * concurrent access. @@ -52,11 +51,14 @@ struct tb_nvm { u32 minor; int id; struct nvmem_device *active; + size_t active_size; struct nvmem_device *non_active; void *buf; + void *buf_data_start; size_t buf_data_size; bool authenticating; bool flushed; + const struct tb_nvm_vendor_ops *vops; }; enum tb_nvm_write_ops { @@ -300,6 +302,7 @@ struct usb4_port { * @device: Device ID of the retimer * @port: Pointer to the lane 0 adapter * @nvm: Pointer to the NVM if the retimer has one (%NULL otherwise) + * @no_nvm_upgrade: Prevent NVM upgrade of this retimer * @auth_status: Status of last NVM authentication */ struct tb_retimer { @@ -310,6 +313,7 @@ struct tb_retimer { u32 device; struct tb_port *port; struct tb_nvm *nvm; + bool no_nvm_upgrade; u32 auth_status; }; @@ -741,11 +745,13 @@ static inline void tb_domain_put(struct tb *tb) } struct tb_nvm *tb_nvm_alloc(struct device *dev); -int tb_nvm_add_active(struct tb_nvm *nvm, size_t size, nvmem_reg_read_t reg_read); +int tb_nvm_read_version(struct tb_nvm *nvm); +int tb_nvm_validate(struct tb_nvm *nvm); +int tb_nvm_write_headers(struct tb_nvm *nvm); +int tb_nvm_add_active(struct tb_nvm *nvm, nvmem_reg_read_t reg_read); int tb_nvm_write_buf(struct tb_nvm *nvm, unsigned int offset, void *val, size_t bytes); -int tb_nvm_add_non_active(struct tb_nvm *nvm, size_t size, - nvmem_reg_write_t reg_write); +int tb_nvm_add_non_active(struct tb_nvm *nvm, nvmem_reg_write_t reg_write); void tb_nvm_free(struct tb_nvm *nvm); void tb_nvm_exit(void); |