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Adding upstream version 4.2+20230901.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-14 06:31:42 +01:00
parent 14fbe53fb1
commit f48db6685a
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
15 changed files with 418 additions and 196 deletions
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119
platform-intel.c
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@ -214,7 +214,7 @@ struct sys_dev *device_by_id_and_path(__u16 device_id, const char *path)
static int devpath_to_ll(const char *dev_path, const char *entry, unsigned long long *val)
{
char path[strlen(dev_path) + strlen(entry) + 2];
char path[strnlen(dev_path, PATH_MAX) + strnlen(entry, PATH_MAX) + 2];
int fd;
int n;
@ -510,9 +510,6 @@ static const struct imsm_orom *find_imsm_hba_orom(struct sys_dev *hba)
return get_orom_by_device_id(hba->dev_id);
}
#define GUID_STR_MAX 37 /* according to GUID format:
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" */
#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
((struct efi_guid) \
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
@ -703,6 +700,106 @@ const struct imsm_orom *find_imsm_nvme(struct sys_dev *hba)
return &nvme_orom->orom;
}
#define VMD_REGISTER_OFFSET 0x3FC
#define VMD_REGISTER_SKU_SHIFT 1
#define VMD_REGISTER_SKU_MASK (0x00000007)
#define VMD_REGISTER_SKU_PREMIUM 2
#define MD_REGISTER_VER_MAJOR_SHIFT 4
#define MD_REGISTER_VER_MAJOR_MASK (0x0000000F)
#define MD_REGISTER_VER_MINOR_SHIFT 8
#define MD_REGISTER_VER_MINOR_MASK (0x0000000F)
/*
* read_vmd_register() - Reads VMD register and writes contents to buff ptr
* @buff: buffer for vmd register data, should be the size of uint32_t
*
* Return: 0 on success, 1 on error
*/
int read_vmd_register(uint32_t *buff, struct sys_dev *hba)
{
int fd;
char vmd_pci_config_path[PATH_MAX];
if (!vmd_domain_to_controller(hba, vmd_pci_config_path))
return 1;
strncat(vmd_pci_config_path, "/config", PATH_MAX - strnlen(vmd_pci_config_path, PATH_MAX));
fd = open(vmd_pci_config_path, O_RDONLY);
if (fd < 0)
return 1;
if (pread(fd, buff, sizeof(uint32_t), VMD_REGISTER_OFFSET) != sizeof(uint32_t)) {
close(fd);
return 1;
}
close(fd);
return 0;
}
/*
* add_vmd_orom() - Adds VMD orom cap to orom list, writes orom_entry ptr into vmd_orom
* @vmd_orom: pointer to orom entry pointer
*
* Return: 0 on success, 1 on error
*/
int add_vmd_orom(struct orom_entry **vmd_orom, struct sys_dev *hba)
{
uint8_t sku;
uint32_t vmd_register_data;
struct imsm_orom vmd_orom_cap = {
.signature = IMSM_VMD_OROM_COMPAT_SIGNATURE,
.sss = IMSM_OROM_SSS_4kB | IMSM_OROM_SSS_8kB |
IMSM_OROM_SSS_16kB | IMSM_OROM_SSS_32kB |
IMSM_OROM_SSS_64kB | IMSM_OROM_SSS_128kB,
.dpa = IMSM_OROM_DISKS_PER_ARRAY_NVME,
.tds = IMSM_OROM_TOTAL_DISKS_VMD,
.vpa = IMSM_OROM_VOLUMES_PER_ARRAY,
.vphba = IMSM_OROM_VOLUMES_PER_HBA_VMD,
.attr = IMSM_OROM_ATTR_2TB | IMSM_OROM_ATTR_2TB_DISK,
.driver_features = IMSM_OROM_CAPABILITIES_EnterpriseSystem |
IMSM_OROM_CAPABILITIES_TPV
};
if (read_vmd_register(&vmd_register_data, hba) != 0)
return 1;
sku = (uint8_t)((vmd_register_data >> VMD_REGISTER_SKU_SHIFT) &
VMD_REGISTER_SKU_MASK);
if (sku == VMD_REGISTER_SKU_PREMIUM)
vmd_orom_cap.rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 |
IMSM_OROM_RLC_RAID10 | IMSM_OROM_RLC_RAID5;
else
vmd_orom_cap.rlc = IMSM_OROM_RLC_RAID_CNG;
vmd_orom_cap.major_ver = (uint8_t)
((vmd_register_data >> MD_REGISTER_VER_MAJOR_SHIFT) &
MD_REGISTER_VER_MAJOR_MASK);
vmd_orom_cap.minor_ver = (uint8_t)
((vmd_register_data >> MD_REGISTER_VER_MINOR_SHIFT) &
MD_REGISTER_VER_MINOR_MASK);
*vmd_orom = add_orom(&vmd_orom_cap);
return 0;
}
const struct imsm_orom *find_imsm_vmd(struct sys_dev *hba)
{
static struct orom_entry *vmd_orom;
if (hba->type != SYS_DEV_VMD)
return NULL;
if (!vmd_orom && add_vmd_orom(&vmd_orom, hba) != 0)
return NULL;
add_orom_device_id(vmd_orom, hba->dev_id);
vmd_orom->type = SYS_DEV_VMD;
return &vmd_orom->orom;
}
const struct imsm_orom *find_imsm_capability(struct sys_dev *hba)
{
const struct imsm_orom *cap = get_orom_by_device_id(hba->dev_id);
@ -712,9 +809,19 @@ const struct imsm_orom *find_imsm_capability(struct sys_dev *hba)
if (hba->type == SYS_DEV_NVME)
return find_imsm_nvme(hba);
if ((cap = find_imsm_efi(hba)) != NULL)
cap = find_imsm_efi(hba);
if (cap)
return cap;
if ((cap = find_imsm_hba_orom(hba)) != NULL)
if (hba->type == SYS_DEV_VMD) {
cap = find_imsm_vmd(hba);
if (cap)
return cap;
}
cap = find_imsm_hba_orom(hba);
if (cap)
return cap;
return NULL;