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hw/cxl: Add dummy security state get

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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>
This commit is contained in:
Jonathan Cameron 2023-10-23 17:08:05 +01:00 committed by Michael S. Tsirkin
parent ede604d505
commit 44e4b316e4
1 changed files with 17 additions and 0 deletions
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17
hw/cxl/cxl-mailbox-utils.c
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@ -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",