diff options
| author | Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | 2013-11-26 13:30:43 -0700 |
|---|---|---|
| committer | Peter Huewe <peterhuewe@gmx.de> | 2014-01-06 14:37:25 +0100 |
| commit | 01ad1fa75dd243909d62dba25a93254b20d5fe81 (patch) | |
| tree | f7a09e61ead8f9e0a1002dde7e53d0376b8b3c19 /include/linux/tpm.h | |
| parent | 1e3b73a95793555860512008035f6822406a2a79 (diff) | |
tpm: Create a tpm_class_ops structure and use it in the drivers
This replaces the static initialization of a tpm_vendor_specific
structure in the drivers with the standard Linux idiom of providing
a const structure of function pointers.
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Reviewed-by: Ashley Lai <adlai@linux.vnet.ibm.com>
[phuewe: did apply manually due to commit
191ffc6bde3 tpm/tpm_i2c_atmel: fix coccinelle warnings]
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Diffstat (limited to 'include/linux/tpm.h')
| -rw-r--r-- | include/linux/tpm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 9a9051bb1a03..fff1d0976f80 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -29,6 +29,18 @@ */ #define TPM_ANY_NUM 0xFFFF +struct tpm_chip; + +struct tpm_class_ops { + const u8 req_complete_mask; + const u8 req_complete_val; + bool (*req_canceled)(struct tpm_chip *chip, u8 status); + int (*recv) (struct tpm_chip *chip, u8 *buf, size_t len); + int (*send) (struct tpm_chip *chip, u8 *buf, size_t len); + void (*cancel) (struct tpm_chip *chip); + u8 (*status) (struct tpm_chip *chip); +}; + #if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE) extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf); |