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cxl/mbox: Move raw command warning to raw command validation 

This move serves two purposes: 1) Emit the warning in the raw
command validation path, and 2) Remove the dependency on the
struct cxl_mem_command in handle_mailbox_cmd_from_user() in
preparation for a refactor of that function.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/df5f0e0ec8afa1f75299aa86b4226ab4479ef325.1648687552.git.alison.schofield@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Alison Schofield 2022-03-30 18:27:12 -07:00 committed by Dan Williams
parent 6dd0e5cc87
commit 39ed8da4f3
1 changed files with 2 additions and 3 deletions
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5
drivers/cxl/core/mbox.c
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@ -225,6 +225,8 @@ static int cxl_to_mem_cmd_raw(struct cxl_mem_command *mem_cmd,
if (!cxl_mem_raw_command_allowed(send_cmd->raw.opcode))
return -EPERM;
dev_WARN_ONCE(cxlds->dev, true, "raw command path used\n");
*mem_cmd = (struct cxl_mem_command) {
.info = {
.id = CXL_MEM_COMMAND_ID_RAW,
@ -417,9 +419,6 @@ static int handle_mailbox_cmd_from_user(struct cxl_dev_state *cxlds,
cxl_command_names[cmd->info.id].name, mbox_cmd.opcode,
cmd->info.size_in);
dev_WARN_ONCE(dev, cmd->info.id == CXL_MEM_COMMAND_ID_RAW,
"raw command path used\n");
rc = cxlds->mbox_send(cxlds, &mbox_cmd);
if (rc)
goto out;