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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2023-10-23 17:08:05 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-11-07 03:39:11 -0500 |
| commit | 44e4b316e4bf8f7327f3917c25aae38172695680 (patch) | |
| tree | 160496fc97376a00b98977fc5a364954303b4af4 /hw/cxl | |
| parent | ede604d505d711e45abcc37dd4389967fda410d7 (diff) | |
| download | qemu-44e4b316e4bf8f7327f3917c25aae38172695680.zip qemu-44e4b316e4bf8f7327f3917c25aae38172695680.tar.gz qemu-44e4b316e4bf8f7327f3917c25aae38172695680.tar.bz2 | |
hw/cxl: Add dummy security state get
Needed to allow the santize comamnds to be tested with proposed Linux Kernel
support. Default value + no control of the security state will work for now.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20231023160806.13206-17-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/cxl')
| -rw-r--r-- | hw/cxl/cxl-mailbox-utils.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 2b78136..693c2cb 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -73,6 +73,8 @@ enum { SANITIZE = 0x44, #define OVERWRITE 0x0 #define SECURE_ERASE 0x1 + PERSISTENT_MEM = 0x45, + #define GET_SECURITY_STATE 0x0 MEDIA_AND_POISON = 0x43, #define GET_POISON_LIST 0x0 #define INJECT_POISON 0x1 @@ -886,6 +888,19 @@ static CXLRetCode cmd_sanitize_overwrite(const struct cxl_cmd *cmd, } } +static CXLRetCode cmd_get_security_state(const struct cxl_cmd *cmd, + uint8_t *payload_in, + size_t len_in, + uint8_t *payload_out, + size_t *len_out, + CXLCCI *cci) +{ + uint32_t *state = (uint32_t *)payload_out; + + *state = 0; + *len_out = 4; + return CXL_MBOX_SUCCESS; +} /* * This is very inefficient, but good enough for now! * Also the payload will always fit, so no need to handle the MORE flag and @@ -1132,6 +1147,8 @@ static const struct cxl_cmd cxl_cmd_set[256][256] = { ~0, IMMEDIATE_CONFIG_CHANGE | IMMEDIATE_DATA_CHANGE }, [SANITIZE][OVERWRITE] = { "SANITIZE_OVERWRITE", cmd_sanitize_overwrite, 0, IMMEDIATE_DATA_CHANGE | SECURITY_STATE_CHANGE | BACKGROUND_OPERATION }, + [PERSISTENT_MEM][GET_SECURITY_STATE] = { "GET_SECURITY_STATE", + cmd_get_security_state, 0, 0 }, [MEDIA_AND_POISON][GET_POISON_LIST] = { "MEDIA_AND_POISON_GET_POISON_LIST", cmd_media_get_poison_list, 16, 0 }, [MEDIA_AND_POISON][INJECT_POISON] = { "MEDIA_AND_POISON_INJECT_POISON", |