Author: jimharris
Date: Tue Mar 26 21:01:53 2013
New Revision: 248757
URL: http://svnweb.freebsd.org/changeset/base/248757
Log:
Add structure definitions and a controller command function for
error log pages.
Sponsored by: Intel
Reviewed by: carl
Modified:
head/sys/dev/nvme/nvme.h
head/sys/dev/nvme/nvme_ctrlr_cmd.c
head/sys/dev/nvme/nvme_private.h
Modified: head/sys/dev/nvme/nvme.h
==============================================================================
--- head/sys/dev/nvme/nvme.h Tue Mar 26 21:00:18 2013 (r248756)
+++ head/sys/dev/nvme/nvme.h Tue Mar 26 21:01:53 2013 (r248757)
@@ -622,6 +622,19 @@ enum nvme_log_page {
/* 0xC0-0xFF - vendor specific */
};
+struct nvme_error_information_entry {
+
+ uint64_t error_count;
+ uint16_t sqid;
+ uint16_t cid;
+ struct nvme_status status;
+ uint16_t error_location;
+ uint64_t lba;
+ uint32_t nsid;
+ uint8_t vendor_specific;
+ uint8_t reserved[35];
+} __packed __aligned(4);
+
union nvme_critical_warning_state {
uint8_t raw;
Modified: head/sys/dev/nvme/nvme_ctrlr_cmd.c
==============================================================================
--- head/sys/dev/nvme/nvme_ctrlr_cmd.c Tue Mar 26 21:00:18 2013
(r248756)
+++ head/sys/dev/nvme/nvme_ctrlr_cmd.c Tue Mar 26 21:01:53 2013
(r248757)
@@ -267,6 +267,25 @@ nvme_ctrlr_cmd_get_log_page(struct nvme_
nvme_ctrlr_submit_admin_request(ctrlr, req);
}
+void
+nvme_ctrlr_cmd_get_error_page(struct nvme_controller *ctrlr,
+ struct nvme_error_information_entry *payload, uint32_t num_entries,
+ nvme_cb_fn_t cb_fn, void *cb_arg)
+{
+
+ KASSERT(num_entries > 0, ("%s called with num_entries==0\n", __func__));
+
+ /* Controller's error log page entries is 0-based. */
+ if (num_entries > (ctrlr->cdata.elpe + 1)) {
+ printf("%s num_entries=%d cdata.elpe=%d\n",
+ __func__, num_entries, ctrlr->cdata.elpe);
+ num_entries = ctrlr->cdata.elpe + 1;
+ }
+
+ nvme_ctrlr_cmd_get_log_page(ctrlr, NVME_LOG_ERROR,
+ NVME_GLOBAL_NAMESPACE_TAG, payload, sizeof(*payload) * num_entries,
+ cb_fn, cb_arg);
+}
void
nvme_ctrlr_cmd_get_health_information_page(struct nvme_controller *ctrlr,
Modified: head/sys/dev/nvme/nvme_private.h
==============================================================================
--- head/sys/dev/nvme/nvme_private.h Tue Mar 26 21:00:18 2013
(r248756)
+++ head/sys/dev/nvme/nvme_private.h Tue Mar 26 21:01:53 2013
(r248757)
@@ -342,6 +342,11 @@ void nvme_ctrlr_cmd_set_interrupt_coales
uint32_t threshold,
nvme_cb_fn_t cb_fn,
void *cb_arg);
+void nvme_ctrlr_cmd_get_error_page(struct nvme_controller *ctrlr,
+ struct nvme_error_information_entry
*payload,
+ uint32_t num_entries, /* 0 = max */
+ nvme_cb_fn_t cb_fn,
+ void *cb_arg);
void nvme_ctrlr_cmd_get_health_information_page(struct nvme_controller
*ctrlr,
uint32_t nsid,
struct
nvme_health_information_page *payload,
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