diff options
Diffstat (limited to 'drivers/cxl')
| -rw-r--r-- | drivers/cxl/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/cxl/core/hdm.c | 13 | ||||
| -rw-r--r-- | drivers/cxl/core/mbox.c | 12 | ||||
| -rw-r--r-- | drivers/cxl/cxl.h | 2 | ||||
| -rw-r--r-- | drivers/cxl/cxlmem.h | 3 | ||||
| -rw-r--r-- | drivers/cxl/pmem.c | 2 |
6 files changed, 26 insertions, 7 deletions
diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig index 5f3c9c5529b9..99b5c25be079 100644 --- a/drivers/cxl/Kconfig +++ b/drivers/cxl/Kconfig @@ -6,6 +6,7 @@ menuconfig CXL_BUS select FW_UPLOAD select PCI_DOE select FIRMWARE_TABLE + select NUMA_KEEP_MEMINFO if (NUMA && X86) help CXL is a bus that is electrically compatible with PCI Express, but layers three protocols on that signalling (CXL.io, CXL.cache, and diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c index 7d97790b893d..784843fa2a22 100644 --- a/drivers/cxl/core/hdm.c +++ b/drivers/cxl/core/hdm.c @@ -319,8 +319,8 @@ static int __cxl_dpa_reserve(struct cxl_endpoint_decoder *cxled, else if (resource_contains(&cxlds->ram_res, res)) cxled->mode = CXL_DECODER_RAM; else { - dev_dbg(dev, "decoder%d.%d: %pr mixed\n", port->id, - cxled->cxld.id, cxled->dpa_res); + dev_warn(dev, "decoder%d.%d: %pr mixed mode not supported\n", + port->id, cxled->cxld.id, cxled->dpa_res); cxled->mode = CXL_DECODER_MIXED; } @@ -519,8 +519,7 @@ int cxl_dpa_alloc(struct cxl_endpoint_decoder *cxled, unsigned long long size) if (size > avail) { dev_dbg(dev, "%pa exceeds available %s capacity: %pa\n", &size, - cxled->mode == CXL_DECODER_RAM ? "ram" : "pmem", - &avail); + cxl_decoder_mode_name(cxled->mode), &avail); rc = -ENOSPC; goto out; } @@ -888,8 +887,12 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld, } rc = eig_to_granularity(FIELD_GET(CXL_HDM_DECODER0_CTRL_IG_MASK, ctrl), &cxld->interleave_granularity); - if (rc) + if (rc) { + dev_warn(&port->dev, + "decoder%d.%d: Invalid interleave granularity (ctrl: %#x)\n", + port->id, cxld->id, ctrl); return rc; + } dev_dbg(&port->dev, "decoder%d.%d: range: %#llx-%#llx iw: %d ig: %d\n", port->id, cxld->id, cxld->hpa_range.start, cxld->hpa_range.end, diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index 97e938657773..2626f3fff201 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -56,6 +56,9 @@ static struct cxl_mem_command cxl_mem_commands[CXL_MEM_COMMAND_ID_MAX] = { CXL_CMD(GET_LSA, 0x8, CXL_VARIABLE_PAYLOAD, 0), CXL_CMD(GET_HEALTH_INFO, 0, 0x12, 0), CXL_CMD(GET_LOG, 0x18, CXL_VARIABLE_PAYLOAD, CXL_CMD_FLAG_FORCE_ENABLE), + CXL_CMD(GET_LOG_CAPS, 0x10, 0x4, 0), + CXL_CMD(CLEAR_LOG, 0x10, 0, 0), + CXL_CMD(GET_SUP_LOG_SUBLIST, 0x2, CXL_VARIABLE_PAYLOAD, 0), CXL_CMD(SET_PARTITION_INFO, 0x0a, 0, 0), CXL_CMD(SET_LSA, CXL_VARIABLE_PAYLOAD, 0, 0), CXL_CMD(GET_ALERT_CONFIG, 0, 0x10, 0), @@ -331,6 +334,15 @@ static bool cxl_payload_from_user_allowed(u16 opcode, void *payload_in) return false; break; } + case CXL_MBOX_OP_CLEAR_LOG: { + const uuid_t *uuid = (uuid_t *)payload_in; + + /* + * Restrict the ‘Clear log’ action to only apply to + * Vendor debug logs. + */ + return uuid_equal(uuid, &DEFINE_CXL_VENDOR_DEBUG_UUID); + } default: break; } diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 036d17db68e0..2a09db5f72ee 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -12,6 +12,8 @@ #include <linux/node.h> #include <linux/io.h> +extern const struct nvdimm_security_ops *cxl_security_ops; + /** * DOC: cxl objects * diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 36cee9c30ceb..19aba81cdf13 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -527,6 +527,9 @@ enum cxl_opcode { CXL_MBOX_OP_SET_TIMESTAMP = 0x0301, CXL_MBOX_OP_GET_SUPPORTED_LOGS = 0x0400, CXL_MBOX_OP_GET_LOG = 0x0401, + CXL_MBOX_OP_GET_LOG_CAPS = 0x0402, + CXL_MBOX_OP_CLEAR_LOG = 0x0403, + CXL_MBOX_OP_GET_SUP_LOG_SUBLIST = 0x0405, CXL_MBOX_OP_IDENTIFY = 0x4000, CXL_MBOX_OP_GET_PARTITION_INFO = 0x4100, CXL_MBOX_OP_SET_PARTITION_INFO = 0x4101, diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c index 7cb8994f8809..2ecdaee63021 100644 --- a/drivers/cxl/pmem.c +++ b/drivers/cxl/pmem.c @@ -11,8 +11,6 @@ #include "cxlmem.h" #include "cxl.h" -extern const struct nvdimm_security_ops *cxl_security_ops; - static __read_mostly DECLARE_BITMAP(exclusive_cmds, CXL_MEM_COMMAND_ID_MAX); static void clear_exclusive(void *mds) |