diff options
| -rw-r--r-- | drivers/cxl/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/cxl/core/hdm.c | 13 | ||||
| -rw-r--r-- | drivers/cxl/cxl.h | 2 | ||||
| -rw-r--r-- | drivers/cxl/pmem.c | 2 | ||||
| -rw-r--r-- | include/linux/cxl-event.h | 3 | ||||
| -rw-r--r-- | tools/testing/cxl/test/mem.c | 19 |
6 files changed, 29 insertions, 11 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/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/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) diff --git a/include/linux/cxl-event.h b/include/linux/cxl-event.h index 03fa6d50d46f..812ed16ffc2f 100644 --- a/include/linux/cxl-event.h +++ b/include/linux/cxl-event.h @@ -3,6 +3,9 @@ #ifndef _LINUX_CXL_EVENT_H #define _LINUX_CXL_EVENT_H +#include <linux/types.h> +#include <linux/uuid.h> + /* * Common Event Record Format * CXL rev 3.0 section 8.2.9.2.1; Table 8-42 diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index 35ee41e435ab..6584443144de 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -127,7 +127,7 @@ static struct { #define CXL_TEST_EVENT_CNT_MAX 15 /* Set a number of events to return at a time for simulation. */ -#define CXL_TEST_EVENT_CNT 3 +#define CXL_TEST_EVENT_RET_MAX 4 struct mock_event_log { u16 clear_idx; @@ -222,6 +222,12 @@ static void mes_add_event(struct mock_event_store *mes, log->nr_events++; } +/* + * Vary the number of events returned to simulate events occuring while the + * logs are being read. + */ +static int ret_limit = 0; + static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) { struct cxl_get_event_payload *pl; @@ -233,14 +239,18 @@ static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) if (cmd->size_in != sizeof(log_type)) return -EINVAL; - if (cmd->size_out < struct_size(pl, records, CXL_TEST_EVENT_CNT)) + ret_limit = (ret_limit + 1) % CXL_TEST_EVENT_RET_MAX; + if (!ret_limit) + ret_limit = 1; + + if (cmd->size_out < struct_size(pl, records, ret_limit)) return -EINVAL; log_type = *((u8 *)cmd->payload_in); if (log_type >= CXL_EVENT_TYPE_MAX) return -EINVAL; - memset(cmd->payload_out, 0, cmd->size_out); + memset(cmd->payload_out, 0, struct_size(pl, records, 0)); log = event_find_log(dev, log_type); if (!log || event_log_empty(log)) @@ -248,7 +258,7 @@ static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) pl = cmd->payload_out; - for (i = 0; i < CXL_TEST_EVENT_CNT && !event_log_empty(log); i++) { + for (i = 0; i < ret_limit && !event_log_empty(log); i++) { memcpy(&pl->records[i], event_get_current(log), sizeof(pl->records[i])); pl->records[i].event.generic.hdr.handle = @@ -256,6 +266,7 @@ static int mock_get_event(struct device *dev, struct cxl_mbox_cmd *cmd) log->cur_idx++; } + cmd->size_out = struct_size(pl, records, i); pl->record_count = cpu_to_le16(i); if (!event_log_empty(log)) pl->flags |= CXL_GET_EVENT_FLAG_MORE_RECORDS; |