Page MenuHomeFreeBSD

D40459.id125689.diff
No OneTemporary

D40459.id125689.diff

diff --git a/usr.sbin/bhyve/tpm_device.c b/usr.sbin/bhyve/tpm_device.c
--- a/usr.sbin/bhyve/tpm_device.c
+++ b/usr.sbin/bhyve/tpm_device.c
@@ -141,8 +141,7 @@
}
if (dev->intf->init) {
- error = dev->intf->init(&dev->intf_sc, dev->emul, dev->emul_sc,
- dev->acpi_dev);
+ error = dev->intf->init(&dev->intf_sc, dev->emul, dev->emul_sc);
if (error)
goto err_out;
}
diff --git a/usr.sbin/bhyve/tpm_intf.h b/usr.sbin/bhyve/tpm_intf.h
--- a/usr.sbin/bhyve/tpm_intf.h
+++ b/usr.sbin/bhyve/tpm_intf.h
@@ -9,7 +9,6 @@
#include <vmmapi.h>
-#include "acpi_device.h"
#include "config.h"
#include "tpm_device.h"
#include "tpm_emul.h"
@@ -32,8 +31,7 @@
struct tpm_intf {
const char *name;
- int (*init)(void **sc, struct tpm_emul *emul, void *emul_sc,
- struct acpi_device *acpi_dev);
+ int (*init)(void **sc, struct tpm_emul *emul, void *emul_sc);
void (*deinit)(void *sc);
int (*build_acpi_table)(void *sc, struct vmctx *vm_ctx);
};
diff --git a/usr.sbin/bhyve/tpm_intf_crb.c b/usr.sbin/bhyve/tpm_intf_crb.c
--- a/usr.sbin/bhyve/tpm_intf_crb.c
+++ b/usr.sbin/bhyve/tpm_intf_crb.c
@@ -253,172 +253,7 @@
}
static int
-tpm_crb_mmiocpy(void *const dst, void *const src, const int size)
-{
- if (!(size == 1 || size == 2 || size == 4 || size == 8))
- return (EINVAL);
- memcpy(dst, src, size);
-
- return (0);
-}
-
-static int
-tpm_crb_mem_handler(struct vcpu *vcpu __unused, const int dir,
- const uint64_t addr, const int size, uint64_t *const val, void *const arg1,
- const long arg2 __unused)
-{
- struct tpm_crb *crb;
- uint8_t *ptr;
- uint64_t off, shift;
- int error;
-
- if ((addr & (size - 1)) != 0) {
- warnx("%s: unaligned %s access @ %16lx [size = %x]", __func__,
- (dir == MEM_F_READ) ? "read" : "write", addr, size);
- return (EINVAL);
- }
-
- crb = arg1;
-
- off = addr - TPM_CRB_ADDRESS;
- if (off > TPM_CRB_REGS_SIZE || off + size >= TPM_CRB_REGS_SIZE) {
- return (EINVAL);
- }
-
- shift = 8 * (off & 3);
- ptr = (uint8_t *)&crb->regs + off;
-
- if (dir == MEM_F_READ) {
- error = tpm_crb_mmiocpy(val, ptr, size);
- if (error)
- goto err_out;
- } else {
- switch (off & ~0x3) {
- case offsetof(struct tpm_crb_regs, loc_ctrl): {
- union tpm_crb_reg_loc_ctrl loc_ctrl;
-
- if ((size_t)size > sizeof(loc_ctrl))
- goto err_out;
-
- *val = *val << shift;
- tpm_crb_mmiocpy(&loc_ctrl, val, size);
-
- if (loc_ctrl.relinquish) {
- crb->regs.loc_sts.granted = false;
- crb->regs.loc_state.loc_assigned = false;
- } else if (loc_ctrl.request_access) {
- crb->regs.loc_sts.granted = true;
- crb->regs.loc_state.loc_assigned = true;
- }
-
- break;
- }
- case offsetof(struct tpm_crb_regs, ctrl_req): {
- union tpm_crb_reg_ctrl_req req;
-
- if ((size_t)size > sizeof(req))
- goto err_out;
-
- *val = *val << shift;
- tpm_crb_mmiocpy(&req, val, size);
-
- if (req.cmd_ready && !req.go_idle) {
- crb->regs.ctrl_sts.tpm_idle = false;
- } else if (!req.cmd_ready && req.go_idle) {
- crb->regs.ctrl_sts.tpm_idle = true;
- }
-
- break;
- }
- case offsetof(struct tpm_crb_regs, ctrl_cancel): {
- /* TODO: cancel the tpm command */
- warnx(
- "%s: cancelling a TPM command is not implemented yet",
- __func__);
-
- break;
- }
- case offsetof(struct tpm_crb_regs, ctrl_start): {
- union tpm_crb_reg_ctrl_start start;
-
- if ((size_t)size > sizeof(start))
- goto err_out;
-
- *val = *val << shift;
-
- pthread_mutex_lock(&crb->mutex);
- tpm_crb_mmiocpy(&start, val, size);
-
- if (!start.start || crb->regs.ctrl_start.start)
- break;
-
- crb->regs.ctrl_start.start = true;
-
- pthread_cond_signal(&crb->cond);
- pthread_mutex_unlock(&crb->mutex);
-
- break;
- }
- case offsetof(struct tpm_crb_regs, cmd_size):
- case offsetof(struct tpm_crb_regs, cmd_addr_lo):
- case offsetof(struct tpm_crb_regs, cmd_addr_hi):
- case offsetof(struct tpm_crb_regs, rsp_size):
- case offsetof(struct tpm_crb_regs,
- rsp_addr) ... offsetof(struct tpm_crb_regs, rsp_addr) +
- 4:
- case offsetof(struct tpm_crb_regs,
- data_buffer) ... offsetof(struct tpm_crb_regs, data_buffer) +
- TPM_CRB_DATA_BUFFER_SIZE / 4:
- /*
- * Those fields are used to execute a TPM command. The
- * crb_thread will access them. For that reason, we have
- * to acquire the crb mutex in order to write them.
- */
- pthread_mutex_lock(&crb->mutex);
- error = tpm_crb_mmiocpy(ptr, val, size);
- pthread_mutex_unlock(&crb->mutex);
- if (error)
- goto err_out;
- break;
- default:
- /*
- * The other fields are either readonly or we do not
- * support writing them.
- */
- goto err_out;
- }
- }
-
- return (0);
-
-err_out:
- warnx("%s: invalid %s @ %16lx [size = %d]", __func__,
- dir == MEM_F_READ ? "read" : "write", addr, size);
-
- return (error);
-}
-
-static int
-tpm_crb_modify_mmio_registration(const bool registration, void *const arg1)
-{
- const struct mem_range crb_mmio = {
- .name = "crb-mmio",
- .base = TPM_CRB_ADDRESS,
- .size = TPM_CRB_LOCALITIES_MAX * TPM_CRB_CONTROL_AREA_SIZE,
- .flags = MEM_F_RW,
- .arg1 = arg1,
- .handler = tpm_crb_mem_handler,
- };
-
- if (registration)
- return (register_mem(&crb_mmio));
- else
- return (unregister_mem(&crb_mmio));
-}
-
-static int
-tpm_crb_init(void **sc, struct tpm_emul *emul, void *emul_sc,
- struct acpi_device *acpi_dev)
+tpm_crb_init(void **sc, struct tpm_emul *emul, void *emul_sc)
{
struct tpm_crb *crb = NULL;
int error;
@@ -469,19 +304,6 @@
goto err_out;
}
- error = acpi_device_add_res_fixed_memory32(acpi_dev, false,
- TPM_CRB_ADDRESS, TPM_CRB_CONTROL_AREA_SIZE);
- if (error) {
- warnx("%s: failed to add acpi resources\n", __func__);
- goto err_out;
- }
-
- error = tpm_crb_modify_mmio_registration(true, crb);
- if (error) {
- warnx("%s: failed to register crb mmio", __func__);
- goto err_out;
- }
-
error = pthread_mutex_init(&crb->mutex, NULL);
if (error) {
warnc(error, "%s: failed to init mutex", __func__);
@@ -516,7 +338,6 @@
tpm_crb_deinit(void *sc)
{
struct tpm_crb *crb;
- int error;
if (sc == NULL) {
return;
@@ -531,9 +352,6 @@
pthread_cond_destroy(&crb->cond);
pthread_mutex_destroy(&crb->mutex);
- error = tpm_crb_modify_mmio_registration(false, NULL);
- assert(error == 0);
-
free(crb);
}

File Metadata

Mime Type
text/plain
Expires
Sun, Feb 8, 6:09 PM (10 h, 43 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
28481596
Default Alt Text
D40459.id125689.diff (6 KB)

Event Timeline