Improve tpm20 style
No functional changes to the code are applied. Submitted by: Kornel Duleba <mindal@semihalf.com> Obtained from: Semihalf Sponsored by: Stormshield
This commit is contained in:
Marcin Wojtas
parent
d68a65eabf
commit
f39ec261ad
@ -142,7 +142,8 @@ tpm20_write(struct cdev *dev, struct uio *uio, int flags)
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return (result);
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}
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static void tpm20_discard_buffer(void *arg)
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static void
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tpm20_discard_buffer(void *arg)
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{
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struct tpm_sc *sc;
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@ -304,9 +305,10 @@ tpm20_save_state(device_t dev, bool suspend)
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{
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struct tpm_sc *sc;
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uint8_t save_cmd[] = {
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0x80, 0x01, /* TPM_ST_NO_SESSIONS tag*/
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0x80, 0x01, /* TPM_ST_NO_SESSIONS tag*/
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0x00, 0x00, 0x00, 0x0C, /* cmd length */
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0x00, 0x00, 0x01, 0x45, 0x00, 0x00 /* cmd TPM_CC_Shutdown */
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0x00, 0x00, 0x01, 0x45, /* cmd TPM_CC_Shutdown */
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0x00, 0x00 /* TPM_SU_STATE */
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};
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sc = device_get_softc(dev);
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@ -315,7 +317,7 @@ tpm20_save_state(device_t dev, bool suspend)
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* Inform the TPM whether we are going to suspend or reboot/shutdown.
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*/
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if (suspend)
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save_cmd[11] = 1; /* TPM_SU_STATE */
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save_cmd[11] = 1; /* TPM_SU_STATE */
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if (sc == NULL || sc->buf == NULL)
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return (0);
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@ -26,7 +26,7 @@
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*/
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#ifndef _TPM20_H_
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#define _TPM20_H_
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#define _TPM20_H_
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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@ -60,46 +60,46 @@ __FBSDID("$FreeBSD$");
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#define BIT(x) (1 << (x))
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/* Timeouts in us */
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#define TPM_TIMEOUT_A 750000
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#define TPM_TIMEOUT_B 2000000
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#define TPM_TIMEOUT_C 200000
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#define TPM_TIMEOUT_D 30000
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#define TPM_TIMEOUT_A 750000
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#define TPM_TIMEOUT_B 2000000
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#define TPM_TIMEOUT_C 200000
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#define TPM_TIMEOUT_D 30000
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/*
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* Generating RSA key pair takes ~(10-20s), which is significantly longer than
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* any timeout defined in spec. Because of that we need a new one.
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*/
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#define TPM_TIMEOUT_LONG 40000000
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#define TPM_TIMEOUT_LONG 40000000
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/* List of commands that require TPM_TIMEOUT_LONG time to complete */
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#define TPM_CC_CreatePrimary 0x00000131
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#define TPM_CC_CreatePrimary 0x00000131
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#define TPM_CC_Create 0x00000153
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#define TPM_CC_CreateLoaded 0x00000191
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/* List of commands that require only TPM_TIMEOUT_C time to complete */
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#define TPM_CC_SequenceComplete 0x0000013e
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#define TPM_CC_Startup 0x00000144
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#define TPM_CC_SequenceUpdate 0x0000015c
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#define TPM_CC_GetCapability 0x0000017a
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#define TPM_CC_PCR_Extend 0x00000182
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#define TPM_CC_EventSequenceComplete 0x00000185
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#define TPM_CC_HashSequenceStart 0x00000186
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#define TPM_CC_SequenceComplete 0x0000013e
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#define TPM_CC_Startup 0x00000144
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#define TPM_CC_SequenceUpdate 0x0000015c
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#define TPM_CC_GetCapability 0x0000017a
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#define TPM_CC_PCR_Extend 0x00000182
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#define TPM_CC_EventSequenceComplete 0x00000185
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#define TPM_CC_HashSequenceStart 0x00000186
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/* Timeout before data in read buffer is discarded */
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#define TPM_READ_TIMEOUT 500000
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#define TPM_READ_TIMEOUT 500000
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#define TPM_BUFSIZE 0x1000
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#define TPM_BUFSIZE 0x1000
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#define TPM_HEADER_SIZE 10
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#define TPM_HEADER_SIZE 10
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#define TPM_CDEV_NAME "tpm0"
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#define TPM_CDEV_PERM_FLAG 0600
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#define TPM_CDEV_NAME "tpm0"
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#define TPM_CDEV_PERM_FLAG 0600
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#define TPM2_START_METHOD_ACPI 2
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#define TPM2_START_METHOD_TIS 6
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#define TPM2_START_METHOD_CRB 7
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#define TPM2_START_METHOD_CRB_ACPI 8
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#define TPM2_START_METHOD_ACPI 2
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#define TPM2_START_METHOD_TIS 6
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#define TPM2_START_METHOD_CRB 7
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#define TPM2_START_METHOD_CRB_ACPI 8
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struct tpm_sc {
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device_t dev;
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@ -34,47 +34,47 @@ __FBSDID("$FreeBSD$");
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* CRB register space as defined in
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* TCG_PC_Client_Platform_TPM_Profile_PTP_2.0_r1.03_v22
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*/
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#define TPM_LOC_STATE 0x0
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#define TPM_LOC_CTRL 0x8
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#define TPM_LOC_STS 0xC
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#define TPM_CRB_INTF_ID 0x30
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#define TPM_CRB_CTRL_EXT 0x38
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#define TPM_CRB_CTRL_REQ 0x40
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#define TPM_CRB_CTRL_STS 0x44
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#define TPM_CRB_CTRL_CANCEL 0x48
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#define TPM_CRB_CTRL_START 0x4C
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#define TPM_CRB_INT_ENABLE 0x50
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#define TPM_CRB_INT_STS 0x54
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#define TPM_CRB_CTRL_CMD_SIZE 0x58
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#define TPM_CRB_CTRL_CMD_LADDR 0x5C
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#define TPM_CRB_CTRL_CMD_HADDR 0x60
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#define TPM_CRB_CTRL_RSP_SIZE 0x64
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#define TPM_CRB_CTRL_RSP_ADDR 0x68
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#define TPM_CRB_CTRL_RSP_HADDR 0x6c
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#define TPM_CRB_DATA_BUFFER 0x80
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#define TPM_LOC_STATE 0x0
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#define TPM_LOC_CTRL 0x8
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#define TPM_LOC_STS 0xC
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#define TPM_CRB_INTF_ID 0x30
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#define TPM_CRB_CTRL_EXT 0x38
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#define TPM_CRB_CTRL_REQ 0x40
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#define TPM_CRB_CTRL_STS 0x44
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#define TPM_CRB_CTRL_CANCEL 0x48
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#define TPM_CRB_CTRL_START 0x4C
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#define TPM_CRB_INT_ENABLE 0x50
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#define TPM_CRB_INT_STS 0x54
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#define TPM_CRB_CTRL_CMD_SIZE 0x58
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#define TPM_CRB_CTRL_CMD_LADDR 0x5C
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#define TPM_CRB_CTRL_CMD_HADDR 0x60
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#define TPM_CRB_CTRL_RSP_SIZE 0x64
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#define TPM_CRB_CTRL_RSP_ADDR 0x68
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#define TPM_CRB_CTRL_RSP_HADDR 0x6c
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#define TPM_CRB_DATA_BUFFER 0x80
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#define TPM_LOC_STATE_ESTB BIT(0)
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#define TPM_LOC_STATE_ASSIGNED BIT(1)
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#define TPM_LOC_STATE_ACTIVE_MASK 0x9C
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#define TPM_LOC_STATE_VALID BIT(7)
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#define TPM_LOC_STATE_ESTB BIT(0)
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#define TPM_LOC_STATE_ASSIGNED BIT(1)
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#define TPM_LOC_STATE_ACTIVE_MASK 0x9C
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#define TPM_LOC_STATE_VALID BIT(7)
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#define TPM_CRB_INTF_ID_TYPE_CRB 0x1
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#define TPM_CRB_INTF_ID_TYPE 0x7
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#define TPM_CRB_INTF_ID_TYPE_CRB 0x1
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#define TPM_CRB_INTF_ID_TYPE 0x7
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#define TPM_LOC_CTRL_REQUEST BIT(0)
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#define TPM_LOC_CTRL_RELINQUISH BIT(1)
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#define TPM_LOC_CTRL_REQUEST BIT(0)
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#define TPM_LOC_CTRL_RELINQUISH BIT(1)
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#define TPM_CRB_CTRL_REQ_GO_READY BIT(0)
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#define TPM_CRB_CTRL_REQ_GO_IDLE BIT(1)
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#define TPM_CRB_CTRL_REQ_GO_READY BIT(0)
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#define TPM_CRB_CTRL_REQ_GO_IDLE BIT(1)
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#define TPM_CRB_CTRL_STS_ERR_BIT BIT(0)
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#define TPM_CRB_CTRL_STS_IDLE_BIT BIT(1)
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#define TPM_CRB_CTRL_STS_ERR_BIT BIT(0)
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#define TPM_CRB_CTRL_STS_IDLE_BIT BIT(1)
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#define TPM_CRB_CTRL_CANCEL_CMD BIT(0)
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#define TPM_CRB_CTRL_CANCEL_CMD BIT(0)
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#define TPM_CRB_CTRL_START_CMD BIT(0)
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#define TPM_CRB_CTRL_START_CMD BIT(0)
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#define TPM_CRB_INT_ENABLE_BIT BIT(31)
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#define TPM_CRB_INT_ENABLE_BIT BIT(31)
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struct tpmcrb_sc {
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struct tpm_sc base;
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@ -34,45 +34,45 @@ __FBSDID("$FreeBSD$");
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* TIS register space as defined in
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* TCG_PC_Client_Platform_TPM_Profile_PTP_2.0_r1.03_v22
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*/
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#define TPM_ACCESS 0x0
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#define TPM_INT_ENABLE 0x8
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#define TPM_INT_VECTOR 0xc
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#define TPM_INT_STS 0x10
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#define TPM_INTF_CAPS 0x14
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#define TPM_STS 0x18
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#define TPM_DATA_FIFO 0x24
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#define TPM_INTF_ID 0x30
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#define TPM_XDATA_FIFO 0x80
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#define TPM_DID_VID 0xF00
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#define TPM_RID 0xF04
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#define TPM_ACCESS 0x0
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#define TPM_INT_ENABLE 0x8
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#define TPM_INT_VECTOR 0xc
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#define TPM_INT_STS 0x10
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#define TPM_INTF_CAPS 0x14
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#define TPM_STS 0x18
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#define TPM_DATA_FIFO 0x24
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#define TPM_INTF_ID 0x30
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#define TPM_XDATA_FIFO 0x80
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#define TPM_DID_VID 0xF00
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#define TPM_RID 0xF04
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#define TPM_ACCESS_LOC_REQ BIT(1)
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#define TPM_ACCESS_LOC_Seize BIT(3)
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#define TPM_ACCESS_LOC_ACTIVE BIT(5)
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#define TPM_ACCESS_LOC_RELINQUISH BIT(5)
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#define TPM_ACCESS_VALID BIT(7)
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#define TPM_ACCESS_LOC_REQ BIT(1)
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#define TPM_ACCESS_LOC_Seize BIT(3)
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#define TPM_ACCESS_LOC_ACTIVE BIT(5)
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#define TPM_ACCESS_LOC_RELINQUISH BIT(5)
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#define TPM_ACCESS_VALID BIT(7)
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#define TPM_INT_ENABLE_GLOBAL_ENABLE BIT(31)
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#define TPM_INT_ENABLE_CMD_RDY BIT(7)
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#define TPM_INT_ENABLE_LOC_CHANGE BIT(2)
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#define TPM_INT_ENABLE_STS_VALID BIT(1)
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#define TPM_INT_ENABLE_DATA_AVAIL BIT(0)
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#define TPM_INT_ENABLE_GLOBAL_ENABLE BIT(31)
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#define TPM_INT_ENABLE_CMD_RDY BIT(7)
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#define TPM_INT_ENABLE_LOC_CHANGE BIT(2)
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#define TPM_INT_ENABLE_STS_VALID BIT(1)
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#define TPM_INT_ENABLE_DATA_AVAIL BIT(0)
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#define TPM_INT_STS_CMD_RDY BIT(7)
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#define TPM_INT_STS_LOC_CHANGE BIT(2)
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#define TPM_INT_STS_VALID BIT(1)
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#define TPM_INT_STS_DATA_AVAIL BIT(0)
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#define TPM_INT_STS_CMD_RDY BIT(7)
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#define TPM_INT_STS_LOC_CHANGE BIT(2)
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#define TPM_INT_STS_VALID BIT(1)
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#define TPM_INT_STS_DATA_AVAIL BIT(0)
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#define TPM_INTF_CAPS_VERSION 0x70000000
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#define TPM_INTF_CAPS_TPM20 0x30000000
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#define TPM_INTF_CAPS_VERSION 0x70000000
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#define TPM_INTF_CAPS_TPM20 0x30000000
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#define TPM_STS_VALID BIT(7)
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#define TPM_STS_CMD_RDY BIT(6)
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#define TPM_STS_CMD_START BIT(5)
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#define TPM_STS_DATA_AVAIL BIT(4)
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#define TPM_STS_DATA_EXPECTED BIT(3)
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#define TPM_STS_BURST_MASK 0xFFFF00
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#define TPM_STS_BURST_OFFSET 0x8
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#define TPM_STS_VALID BIT(7)
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#define TPM_STS_CMD_RDY BIT(6)
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#define TPM_STS_CMD_START BIT(5)
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#define TPM_STS_DATA_AVAIL BIT(4)
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#define TPM_STS_DATA_EXPECTED BIT(3)
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#define TPM_STS_BURST_MASK 0xFFFF00
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#define TPM_STS_BURST_OFFSET 0x8
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static int tpmtis_transmit(struct tpm_sc *sc, size_t length);
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@ -93,6 +93,7 @@ static bool tpmtis_go_ready(struct tpm_sc *sc);
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static bool tpm_wait_for_u32(struct tpm_sc *sc, bus_size_t off,
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uint32_t mask, uint32_t val, int32_t timeout);
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static uint16_t tpmtis_wait_for_burst(struct tpm_sc *sc);
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char *tpmtis_ids[] = {"MSFT0101", NULL};
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