redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

scsi_debug: use locally assigned naa

Browse source 
For reported SAS addresses replace fake IEEE registered NAAs (5) with
locally assigned NAAs (3).

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Douglas Gilbert 2016-05-06 00:40:29 -04:00 committed by Martin K. Petersen
parent 09ba24c18c
commit 1b37bd606d
1 changed files with 18 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

35
drivers/scsi/scsi_debug.c
View file

@ -925,9 +925,10 @@ static int fetch_to_dev_buffer(struct scsi_cmnd *scp, unsigned char *arr,
static const char * inq_vendor_id = "Linux ";
static const char * inq_product_id = "scsi_debug ";
static const char *inq_product_rev = "0186"; /* version less '.' */
static const u64 naa5_comp_a = 0x5222222000000000ULL;
static const u64 naa5_comp_b = 0x5333333000000000ULL;
static const u64 naa5_comp_c = 0x5111111000000000ULL;
/* Use some locally assigned NAAs for SAS addresses. */
static const u64 naa3_comp_a = 0x3222222000000000ULL;
static const u64 naa3_comp_b = 0x3333333000000000ULL;
static const u64 naa3_comp_c = 0x3111111000000000ULL;
/* Device identification VPD page. Returns number of bytes placed in arr */
static int inquiry_vpd_83(unsigned char *arr, int port_group_id,
@ -961,12 +962,12 @@ static int inquiry_vpd_83(unsigned char *arr, int port_group_id,
memcpy(arr + num, lu_name, 16);
num += 16;
} else {
/* NAA-5, Logical unit identifier (binary) */
/* NAA-3, Logical unit identifier (binary) */
arr[num++] = 0x1; /* binary (not necessarily sas) */
arr[num++] = 0x3; /* PIV=0, lu, naa */
arr[num++] = 0x0;
arr[num++] = 0x8;
put_unaligned_be64(naa5_comp_b + dev_id_num, arr + num);
put_unaligned_be64(naa3_comp_b + dev_id_num, arr + num);
num += 8;
}
/* Target relative port number */
@ -979,14 +980,14 @@ static int inquiry_vpd_83(unsigned char *arr, int port_group_id,
arr[num++] = 0x0;
arr[num++] = 0x1; /* relative port A */
}
/* NAA-5, Target port identifier */
/* NAA-3, Target port identifier */
arr[num++] = 0x61; /* proto=sas, binary */
arr[num++] = 0x93; /* piv=1, target port, naa */
arr[num++] = 0x0;
arr[num++] = 0x8;
put_unaligned_be64(naa5_comp_a + port_a, arr + num);
put_unaligned_be64(naa3_comp_a + port_a, arr + num);
num += 8;
/* NAA-5, Target port group identifier */
/* NAA-3, Target port group identifier */
arr[num++] = 0x61; /* proto=sas, binary */
arr[num++] = 0x95; /* piv=1, target port group id */
arr[num++] = 0x0;
@ -995,19 +996,19 @@ static int inquiry_vpd_83(unsigned char *arr, int port_group_id,
arr[num++] = 0;
put_unaligned_be16(port_group_id, arr + num);
num += 2;
/* NAA-5, Target device identifier */
/* NAA-3, Target device identifier */
arr[num++] = 0x61; /* proto=sas, binary */
arr[num++] = 0xa3; /* piv=1, target device, naa */
arr[num++] = 0x0;
arr[num++] = 0x8;
put_unaligned_be64(naa5_comp_a + target_dev_id, arr + num);
put_unaligned_be64(naa3_comp_a + target_dev_id, arr + num);
num += 8;
/* SCSI name string: Target device identifier */
arr[num++] = 0x63; /* proto=sas, UTF-8 */
arr[num++] = 0xa8; /* piv=1, target device, SCSI name string */
arr[num++] = 0x0;
arr[num++] = 24;
memcpy(arr + num, "naa.52222220", 12);
memcpy(arr + num, "naa.32222220", 12);
num += 12;
snprintf(b, sizeof(b), "%08X", target_dev_id);
memcpy(arr + num, b, 8);
@ -1086,7 +1087,7 @@ static int inquiry_vpd_88(unsigned char *arr, int target_dev_id)
arr[num++] = 0x93; /* PIV=1, target port, NAA */
arr[num++] = 0x0; /* reserved */
arr[num++] = 0x8; /* length */
put_unaligned_be64(naa5_comp_a + port_a, arr + num);
put_unaligned_be64(naa3_comp_a + port_a, arr + num);
num += 8;
arr[num++] = 0x0; /* reserved */
arr[num++] = 0x0; /* reserved */
@ -1101,7 +1102,7 @@ static int inquiry_vpd_88(unsigned char *arr, int target_dev_id)
arr[num++] = 0x93; /* PIV=1, target port, NAA */
arr[num++] = 0x0; /* reserved */
arr[num++] = 0x8; /* length */
put_unaligned_be64(naa5_comp_a + port_b, arr + num);
put_unaligned_be64(naa3_comp_a + port_b, arr + num);
num += 8;
return num;
@ -1931,10 +1932,10 @@ static int resp_sas_pcd_m_spg(unsigned char * p, int pcontrol, int target,
};
int port_a, port_b;
put_unaligned_be64(naa5_comp_a, sas_pcd_m_pg + 16);
put_unaligned_be64(naa5_comp_c + 1, sas_pcd_m_pg + 24);
put_unaligned_be64(naa5_comp_a, sas_pcd_m_pg + 64);
put_unaligned_be64(naa5_comp_c + 1, sas_pcd_m_pg + 72);
put_unaligned_be64(naa3_comp_a, sas_pcd_m_pg + 16);
put_unaligned_be64(naa3_comp_c + 1, sas_pcd_m_pg + 24);
put_unaligned_be64(naa3_comp_a, sas_pcd_m_pg + 64);
put_unaligned_be64(naa3_comp_c + 1, sas_pcd_m_pg + 72);
port_a = target_dev_id + 1;
port_b = port_a + 1;
memcpy(p, sas_pcd_m_pg, sizeof(sas_pcd_m_pg));