#include <linux/kdebug.h>
#include <linux/highmem.h>
#include <linux/io.h>
+#include <linux/platform_device.h>
#include <acpi/apei.h>
#include "apei-internal.h"
static struct acpi_table_hest *hest_tab;
-static int hest_void_parse(struct acpi_hest_header *hest_hdr, void *data)
-{
- return 0;
-}
-
static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
[ACPI_HEST_TYPE_IA32_CHECK] = -1, /* need further calculation */
[ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1,
}
EXPORT_SYMBOL_GPL(apei_hest_parse);
+struct ghes_arr {
+ struct platform_device **ghes_devs;
+ unsigned int count;
+};
+
+static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
+{
+ int *count = data;
+
+ if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR)
+ (*count)++;
+ return 0;
+}
+
+static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
+{
+ struct platform_device *ghes_dev;
+ struct ghes_arr *ghes_arr = data;
+ int rc;
+
+ if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
+ return 0;
+
+ if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
+ return 0;
+ ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
+ if (!ghes_dev)
+ return -ENOMEM;
+
+ rc = platform_device_add_data(ghes_dev, &hest_hdr, sizeof(void *));
+ if (rc)
+ goto err;
+
+ rc = platform_device_add(ghes_dev);
+ if (rc)
+ goto err;
+ ghes_arr->ghes_devs[ghes_arr->count++] = ghes_dev;
+
+ return 0;
+err:
+ platform_device_put(ghes_dev);
+ return rc;
+}
+
+static int hest_ghes_dev_register(unsigned int ghes_count)
+{
+ int rc, i;
+ struct ghes_arr ghes_arr;
+
+ ghes_arr.count = 0;
+ ghes_arr.ghes_devs = kmalloc(sizeof(void *) * ghes_count, GFP_KERNEL);
+ if (!ghes_arr.ghes_devs)
+ return -ENOMEM;
+
+ rc = apei_hest_parse(hest_parse_ghes, &ghes_arr);
+ if (rc)
+ goto err;
+out:
+ kfree(ghes_arr.ghes_devs);
+ return rc;
+err:
+ for (i = 0; i < ghes_arr.count; i++)
+ platform_device_unregister(ghes_arr.ghes_devs[i]);
+ goto out;
+}
+
static int __init setup_hest_disable(char *str)
{
hest_disable = 1;
{
acpi_status status;
int rc = -ENODEV;
+ unsigned int ghes_count = 0;
if (acpi_disabled)
goto err;
goto err;
}
- rc = apei_hest_parse(hest_void_parse, NULL);
+ rc = apei_hest_parse(hest_parse_ghes_count, &ghes_count);
+ if (rc)
+ goto err;
+
+ rc = hest_ghes_dev_register(ghes_count);
if (rc)
goto err;