[SCSI] lpfc 8.3.27: T10 additions for SLI4
Added T10 DIFF error injection code. Added T10 DIFF structure definitions for SLI4 devices. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
James Bottomley
Родитель
5350d872c1
Коммит
f9bb2da11d
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@ -848,6 +848,22 @@ struct lpfc_hba {
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struct dentry *debug_dumpHBASlim;
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struct dentry *debug_dumpData; /* BlockGuard BPL */
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struct dentry *debug_dumpDif; /* BlockGuard BPL */
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struct dentry *debug_InjErrLBA; /* LBA to inject errors at */
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struct dentry *debug_writeGuard; /* inject write guard_tag errors */
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struct dentry *debug_writeApp; /* inject write app_tag errors */
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struct dentry *debug_writeRef; /* inject write ref_tag errors */
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struct dentry *debug_readApp; /* inject read app_tag errors */
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struct dentry *debug_readRef; /* inject read ref_tag errors */
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/* T10 DIF error injection */
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uint32_t lpfc_injerr_wgrd_cnt;
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uint32_t lpfc_injerr_wapp_cnt;
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uint32_t lpfc_injerr_wref_cnt;
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uint32_t lpfc_injerr_rapp_cnt;
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uint32_t lpfc_injerr_rref_cnt;
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sector_t lpfc_injerr_lba;
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#define LPFC_INJERR_LBA_OFF (sector_t)0xffffffffffffffff
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struct dentry *debug_slow_ring_trc;
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struct lpfc_debugfs_trc *slow_ring_trc;
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atomic_t slow_ring_trc_cnt;
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@ -996,6 +996,85 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf,
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return nbytes;
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}
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static int
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lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file)
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{
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file->private_data = inode->i_private;
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return 0;
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}
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static ssize_t
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lpfc_debugfs_dif_err_read(struct file *file, char __user *buf,
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size_t nbytes, loff_t *ppos)
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{
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struct dentry *dent = file->f_dentry;
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struct lpfc_hba *phba = file->private_data;
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char cbuf[16];
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int cnt = 0;
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if (dent == phba->debug_writeGuard)
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cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wgrd_cnt);
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else if (dent == phba->debug_writeApp)
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cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt);
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else if (dent == phba->debug_writeRef)
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cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt);
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else if (dent == phba->debug_readApp)
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cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt);
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else if (dent == phba->debug_readRef)
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cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rref_cnt);
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else if (dent == phba->debug_InjErrLBA)
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cnt = snprintf(cbuf, 16, "0x%lx\n",
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(unsigned long) phba->lpfc_injerr_lba);
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else
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0547 Unknown debugfs error injection entry\n");
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return simple_read_from_buffer(buf, nbytes, ppos, &cbuf, cnt);
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}
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static ssize_t
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lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
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size_t nbytes, loff_t *ppos)
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{
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struct dentry *dent = file->f_dentry;
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struct lpfc_hba *phba = file->private_data;
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char dstbuf[32];
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unsigned long tmp;
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int size;
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memset(dstbuf, 0, 32);
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size = (nbytes < 32) ? nbytes : 32;
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if (copy_from_user(dstbuf, buf, size))
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return 0;
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if (strict_strtoul(dstbuf, 0, &tmp))
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return 0;
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if (dent == phba->debug_writeGuard)
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phba->lpfc_injerr_wgrd_cnt = (uint32_t)tmp;
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else if (dent == phba->debug_writeApp)
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phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp;
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else if (dent == phba->debug_writeRef)
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phba->lpfc_injerr_wref_cnt = (uint32_t)tmp;
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else if (dent == phba->debug_readApp)
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phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp;
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else if (dent == phba->debug_readRef)
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phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;
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else if (dent == phba->debug_InjErrLBA)
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phba->lpfc_injerr_lba = (sector_t)tmp;
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else
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lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
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"0548 Unknown debugfs error injection entry\n");
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return nbytes;
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}
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static int
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lpfc_debugfs_dif_err_release(struct inode *inode, struct file *file)
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{
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return 0;
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}
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/**
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* lpfc_debugfs_nodelist_open - Open the nodelist debugfs file
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* @inode: The inode pointer that contains a vport pointer.
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@ -3380,6 +3459,16 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = {
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.release = lpfc_debugfs_dumpDataDif_release,
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};
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#undef lpfc_debugfs_op_dif_err
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static const struct file_operations lpfc_debugfs_op_dif_err = {
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.owner = THIS_MODULE,
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.open = lpfc_debugfs_dif_err_open,
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.llseek = lpfc_debugfs_lseek,
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.read = lpfc_debugfs_dif_err_read,
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.write = lpfc_debugfs_dif_err_write,
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.release = lpfc_debugfs_dif_err_release,
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};
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#undef lpfc_debugfs_op_slow_ring_trc
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static const struct file_operations lpfc_debugfs_op_slow_ring_trc = {
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.owner = THIS_MODULE,
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@ -3788,6 +3877,74 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
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goto debug_failed;
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}
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/* Setup DIF Error Injections */
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snprintf(name, sizeof(name), "InjErrLBA");
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phba->debug_InjErrLBA =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_InjErrLBA) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0807 Cannot create debugfs InjErrLBA\n");
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goto debug_failed;
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}
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phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
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snprintf(name, sizeof(name), "writeGuardInjErr");
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phba->debug_writeGuard =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_writeGuard) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0802 Cannot create debugfs writeGuard\n");
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goto debug_failed;
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}
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snprintf(name, sizeof(name), "writeAppInjErr");
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phba->debug_writeApp =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_writeApp) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0803 Cannot create debugfs writeApp\n");
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goto debug_failed;
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}
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snprintf(name, sizeof(name), "writeRefInjErr");
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phba->debug_writeRef =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_writeRef) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0804 Cannot create debugfs writeRef\n");
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goto debug_failed;
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}
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snprintf(name, sizeof(name), "readAppInjErr");
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phba->debug_readApp =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_readApp) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0805 Cannot create debugfs readApp\n");
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goto debug_failed;
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}
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snprintf(name, sizeof(name), "readRefInjErr");
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phba->debug_readRef =
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debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
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phba->hba_debugfs_root,
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phba, &lpfc_debugfs_op_dif_err);
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if (!phba->debug_readRef) {
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lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
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"0806 Cannot create debugfs readApp\n");
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goto debug_failed;
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}
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/* Setup slow ring trace */
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if (lpfc_debugfs_max_slow_ring_trc) {
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num = lpfc_debugfs_max_slow_ring_trc - 1;
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@ -4090,6 +4247,30 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
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debugfs_remove(phba->debug_dumpDif); /* dumpDif */
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phba->debug_dumpDif = NULL;
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}
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if (phba->debug_InjErrLBA) {
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debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */
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phba->debug_InjErrLBA = NULL;
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}
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if (phba->debug_writeGuard) {
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debugfs_remove(phba->debug_writeGuard); /* writeGuard */
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phba->debug_writeGuard = NULL;
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}
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if (phba->debug_writeApp) {
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debugfs_remove(phba->debug_writeApp); /* writeApp */
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phba->debug_writeApp = NULL;
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}
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if (phba->debug_writeRef) {
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debugfs_remove(phba->debug_writeRef); /* writeRef */
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phba->debug_writeRef = NULL;
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}
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if (phba->debug_readApp) {
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debugfs_remove(phba->debug_readApp); /* readApp */
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phba->debug_readApp = NULL;
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}
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if (phba->debug_readRef) {
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debugfs_remove(phba->debug_readRef); /* readRef */
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phba->debug_readRef = NULL;
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}
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if (phba->slow_ring_trc) {
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kfree(phba->slow_ring_trc);
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@ -1484,16 +1484,81 @@ struct sli4_sge { /* SLI-4 */
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uint32_t addr_lo;
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uint32_t word2;
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#define lpfc_sli4_sge_offset_SHIFT 0 /* Offset of buffer - Not used*/
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#define lpfc_sli4_sge_offset_MASK 0x1FFFFFFF
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#define lpfc_sli4_sge_offset_SHIFT 0
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#define lpfc_sli4_sge_offset_MASK 0x07FFFFFF
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#define lpfc_sli4_sge_offset_WORD word2
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#define lpfc_sli4_sge_last_SHIFT 31 /* Last SEG in the SGL sets
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this flag !! */
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#define lpfc_sli4_sge_type_SHIFT 27
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#define lpfc_sli4_sge_type_MASK 0x0000000F
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#define lpfc_sli4_sge_type_WORD word2
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#define LPFC_SGE_TYPE_DATA 0x0
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#define LPFC_SGE_TYPE_DIF 0x4
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#define LPFC_SGE_TYPE_LSP 0x5
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#define LPFC_SGE_TYPE_PEDIF 0x6
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#define LPFC_SGE_TYPE_PESEED 0x7
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#define LPFC_SGE_TYPE_DISEED 0x8
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#define LPFC_SGE_TYPE_ENC 0x9
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#define LPFC_SGE_TYPE_ATM 0xA
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#define LPFC_SGE_TYPE_SKIP 0xC
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#define lpfc_sli4_sge_last_SHIFT 31 /* Last SEG in the SGL sets it */
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#define lpfc_sli4_sge_last_MASK 0x00000001
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#define lpfc_sli4_sge_last_WORD word2
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uint32_t sge_len;
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};
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struct sli4_sge_diseed { /* SLI-4 */
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uint32_t ref_tag;
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uint32_t ref_tag_tran;
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uint32_t word2;
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#define lpfc_sli4_sge_dif_apptran_SHIFT 0
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#define lpfc_sli4_sge_dif_apptran_MASK 0x0000FFFF
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#define lpfc_sli4_sge_dif_apptran_WORD word2
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#define lpfc_sli4_sge_dif_af_SHIFT 24
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#define lpfc_sli4_sge_dif_af_MASK 0x00000001
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#define lpfc_sli4_sge_dif_af_WORD word2
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#define lpfc_sli4_sge_dif_na_SHIFT 25
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#define lpfc_sli4_sge_dif_na_MASK 0x00000001
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#define lpfc_sli4_sge_dif_na_WORD word2
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#define lpfc_sli4_sge_dif_hi_SHIFT 26
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#define lpfc_sli4_sge_dif_hi_MASK 0x00000001
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#define lpfc_sli4_sge_dif_hi_WORD word2
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#define lpfc_sli4_sge_dif_type_SHIFT 27
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#define lpfc_sli4_sge_dif_type_MASK 0x0000000F
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#define lpfc_sli4_sge_dif_type_WORD word2
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#define lpfc_sli4_sge_dif_last_SHIFT 31 /* Last SEG in the SGL sets it */
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#define lpfc_sli4_sge_dif_last_MASK 0x00000001
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#define lpfc_sli4_sge_dif_last_WORD word2
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uint32_t word3;
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#define lpfc_sli4_sge_dif_apptag_SHIFT 0
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#define lpfc_sli4_sge_dif_apptag_MASK 0x0000FFFF
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#define lpfc_sli4_sge_dif_apptag_WORD word3
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#define lpfc_sli4_sge_dif_bs_SHIFT 16
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#define lpfc_sli4_sge_dif_bs_MASK 0x00000007
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#define lpfc_sli4_sge_dif_bs_WORD word3
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#define lpfc_sli4_sge_dif_ai_SHIFT 19
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#define lpfc_sli4_sge_dif_ai_MASK 0x00000001
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#define lpfc_sli4_sge_dif_ai_WORD word3
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#define lpfc_sli4_sge_dif_me_SHIFT 20
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#define lpfc_sli4_sge_dif_me_MASK 0x00000001
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#define lpfc_sli4_sge_dif_me_WORD word3
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#define lpfc_sli4_sge_dif_re_SHIFT 21
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#define lpfc_sli4_sge_dif_re_MASK 0x00000001
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#define lpfc_sli4_sge_dif_re_WORD word3
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#define lpfc_sli4_sge_dif_ce_SHIFT 22
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#define lpfc_sli4_sge_dif_ce_MASK 0x00000001
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#define lpfc_sli4_sge_dif_ce_WORD word3
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#define lpfc_sli4_sge_dif_nr_SHIFT 23
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#define lpfc_sli4_sge_dif_nr_MASK 0x00000001
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#define lpfc_sli4_sge_dif_nr_WORD word3
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#define lpfc_sli4_sge_dif_oprx_SHIFT 24
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#define lpfc_sli4_sge_dif_oprx_MASK 0x0000000F
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#define lpfc_sli4_sge_dif_oprx_WORD word3
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#define lpfc_sli4_sge_dif_optx_SHIFT 28
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#define lpfc_sli4_sge_dif_optx_MASK 0x0000000F
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#define lpfc_sli4_sge_dif_optx_WORD word3
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/* optx and oprx use BG_OP_IN defines in lpfc_hw.h */
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};
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struct fcf_record {
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uint32_t max_rcv_size;
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uint32_t fka_adv_period;
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@ -3023,6 +3088,9 @@ struct wqe_common {
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#define wqe_ctxt_tag_MASK 0x0000FFFF
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#define wqe_ctxt_tag_WORD word6
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uint32_t word7;
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#define wqe_dif_SHIFT 0
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#define wqe_dif_MASK 0x00000003
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#define wqe_dif_WORD word7
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#define wqe_ct_SHIFT 2
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#define wqe_ct_MASK 0x00000003
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#define wqe_ct_WORD word7
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@ -3035,12 +3103,21 @@ struct wqe_common {
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#define wqe_class_SHIFT 16
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#define wqe_class_MASK 0x00000007
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#define wqe_class_WORD word7
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#define wqe_ar_SHIFT 19
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#define wqe_ar_MASK 0x00000001
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#define wqe_ar_WORD word7
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#define wqe_ag_SHIFT wqe_ar_SHIFT
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#define wqe_ag_MASK wqe_ar_MASK
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#define wqe_ag_WORD wqe_ar_WORD
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#define wqe_pu_SHIFT 20
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#define wqe_pu_MASK 0x00000003
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#define wqe_pu_WORD word7
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#define wqe_erp_SHIFT 22
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#define wqe_erp_MASK 0x00000001
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#define wqe_erp_WORD word7
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#define wqe_conf_SHIFT wqe_erp_SHIFT
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#define wqe_conf_MASK wqe_erp_MASK
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#define wqe_conf_WORD wqe_erp_WORD
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#define wqe_lnk_SHIFT 23
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#define wqe_lnk_MASK 0x00000001
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#define wqe_lnk_WORD word7
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@ -3099,6 +3176,9 @@ struct wqe_common {
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#define wqe_xc_SHIFT 21
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#define wqe_xc_MASK 0x00000001
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#define wqe_xc_WORD word10
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#define wqe_sr_SHIFT 22
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#define wqe_sr_MASK 0x00000001
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#define wqe_sr_WORD word10
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#define wqe_ccpe_SHIFT 23
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#define wqe_ccpe_MASK 0x00000001
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#define wqe_ccpe_WORD word10
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@ -58,6 +58,13 @@ static char *dif_op_str[] = {
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"SCSI_PROT_READ_PASS",
|
||||
"SCSI_PROT_WRITE_PASS",
|
||||
};
|
||||
|
||||
struct scsi_dif_tuple {
|
||||
__be16 guard_tag; /* Checksum */
|
||||
__be16 app_tag; /* Opaque storage */
|
||||
__be32 ref_tag; /* Target LBA or indirect LBA */
|
||||
};
|
||||
|
||||
static void
|
||||
lpfc_release_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *psb);
|
||||
static void
|
||||
|
|
@ -1263,6 +1270,174 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static inline unsigned
|
||||
lpfc_cmd_blksize(struct scsi_cmnd *sc)
|
||||
{
|
||||
return sc->device->sector_size;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
|
||||
/*
|
||||
* Given a scsi cmnd, determine the BlockGuard tags to be used with it
|
||||
* @sc: The SCSI command to examine
|
||||
* @reftag: (out) BlockGuard reference tag for transmitted data
|
||||
* @apptag: (out) BlockGuard application tag for transmitted data
|
||||
* @new_guard (in) Value to replace CRC with if needed
|
||||
*
|
||||
* Returns (1) if error injection was performed, (0) otherwise
|
||||
*/
|
||||
static int
|
||||
lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
|
||||
uint32_t *reftag, uint16_t *apptag, uint32_t new_guard)
|
||||
{
|
||||
struct scatterlist *sgpe; /* s/g prot entry */
|
||||
struct scatterlist *sgde; /* s/g data entry */
|
||||
struct scsi_dif_tuple *src;
|
||||
uint32_t op = scsi_get_prot_op(sc);
|
||||
uint32_t blksize;
|
||||
uint32_t numblks;
|
||||
sector_t lba;
|
||||
int rc = 0;
|
||||
|
||||
if (op == SCSI_PROT_NORMAL)
|
||||
return 0;
|
||||
|
||||
lba = scsi_get_lba(sc);
|
||||
if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) {
|
||||
blksize = lpfc_cmd_blksize(sc);
|
||||
numblks = (scsi_bufflen(sc) + blksize - 1) / blksize;
|
||||
|
||||
/* Make sure we have the right LBA if one is specified */
|
||||
if ((phba->lpfc_injerr_lba < lba) ||
|
||||
(phba->lpfc_injerr_lba >= (lba + numblks)))
|
||||
return 0;
|
||||
}
|
||||
|
||||
sgpe = scsi_prot_sglist(sc);
|
||||
sgde = scsi_sglist(sc);
|
||||
|
||||
/* Should we change the Reference Tag */
|
||||
if (reftag) {
|
||||
/*
|
||||
* If we are SCSI_PROT_WRITE_STRIP, the protection data is
|
||||
* being stripped from the wire, thus it doesn't matter.
|
||||
*/
|
||||
if ((op == SCSI_PROT_WRITE_PASS) ||
|
||||
(op == SCSI_PROT_WRITE_INSERT)) {
|
||||
if (phba->lpfc_injerr_wref_cnt) {
|
||||
|
||||
/* DEADBEEF will be the reftag on the wire */
|
||||
*reftag = 0xDEADBEEF;
|
||||
phba->lpfc_injerr_wref_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9081 BLKGRD: Injecting reftag error: "
|
||||
"write lba x%lx\n", (unsigned long)lba);
|
||||
}
|
||||
} else {
|
||||
if (phba->lpfc_injerr_rref_cnt) {
|
||||
*reftag = 0xDEADBEEF;
|
||||
phba->lpfc_injerr_rref_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9076 BLKGRD: Injecting reftag error: "
|
||||
"read lba x%lx\n", (unsigned long)lba);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Should we change the Application Tag */
|
||||
if (apptag) {
|
||||
/*
|
||||
* If we are SCSI_PROT_WRITE_STRIP, the protection data is
|
||||
* being stripped from the wire, thus it doesn't matter.
|
||||
*/
|
||||
if ((op == SCSI_PROT_WRITE_PASS) ||
|
||||
(op == SCSI_PROT_WRITE_INSERT)) {
|
||||
if (phba->lpfc_injerr_wapp_cnt) {
|
||||
|
||||
/* DEAD will be the apptag on the wire */
|
||||
*apptag = 0xDEAD;
|
||||
phba->lpfc_injerr_wapp_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9077 BLKGRD: Injecting apptag error: "
|
||||
"write lba x%lx\n", (unsigned long)lba);
|
||||
}
|
||||
} else {
|
||||
if (phba->lpfc_injerr_rapp_cnt) {
|
||||
*apptag = 0xDEAD;
|
||||
phba->lpfc_injerr_rapp_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9078 BLKGRD: Injecting apptag error: "
|
||||
"read lba x%lx\n", (unsigned long)lba);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Should we change the Guard Tag */
|
||||
|
||||
/*
|
||||
* If we are SCSI_PROT_WRITE_INSERT, the protection data is
|
||||
* being on the wire is being fully generated on the HBA.
|
||||
* The host cannot change it or force an error.
|
||||
*/
|
||||
if (((op == SCSI_PROT_WRITE_STRIP) ||
|
||||
(op == SCSI_PROT_WRITE_PASS)) &&
|
||||
phba->lpfc_injerr_wgrd_cnt) {
|
||||
if (sgpe) {
|
||||
src = (struct scsi_dif_tuple *)sg_virt(sgpe);
|
||||
/*
|
||||
* Just inject an error in the first
|
||||
* prot block.
|
||||
*/
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9079 BLKGRD: Injecting guard error: "
|
||||
"write lba x%lx oldGuard x%x refTag x%x\n",
|
||||
(unsigned long)lba, src->guard_tag,
|
||||
src->ref_tag);
|
||||
|
||||
src->guard_tag = (uint16_t)new_guard;
|
||||
phba->lpfc_injerr_wgrd_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
|
||||
} else {
|
||||
blksize = lpfc_cmd_blksize(sc);
|
||||
/*
|
||||
* Jump past the first data block
|
||||
* and inject an error in the
|
||||
* prot data. The prot data is already
|
||||
* embedded after the regular data.
|
||||
*/
|
||||
src = (struct scsi_dif_tuple *)
|
||||
(sg_virt(sgde) + blksize);
|
||||
|
||||
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
|
||||
"9080 BLKGRD: Injecting guard error: "
|
||||
"write lba x%lx oldGuard x%x refTag x%x\n",
|
||||
(unsigned long)lba, src->guard_tag,
|
||||
src->ref_tag);
|
||||
|
||||
src->guard_tag = (uint16_t)new_guard;
|
||||
phba->lpfc_injerr_wgrd_cnt--;
|
||||
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
|
||||
rc = 1;
|
||||
}
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Given a scsi cmnd, determine the BlockGuard opcodes to be used with it
|
||||
* @sc: The SCSI command to examine
|
||||
|
|
@ -1341,18 +1516,6 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
|
|||
return ret;
|
||||
}
|
||||
|
||||
struct scsi_dif_tuple {
|
||||
__be16 guard_tag; /* Checksum */
|
||||
__be16 app_tag; /* Opaque storage */
|
||||
__be32 ref_tag; /* Target LBA or indirect LBA */
|
||||
};
|
||||
|
||||
static inline unsigned
|
||||
lpfc_cmd_blksize(struct scsi_cmnd *sc)
|
||||
{
|
||||
return sc->device->sector_size;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function sets up buffer list for protection groups of
|
||||
* type LPFC_PG_TYPE_NO_DIF
|
||||
|
|
@ -1401,6 +1564,11 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
|
|||
blksize = lpfc_cmd_blksize(sc);
|
||||
reftag = scsi_get_lba(sc) & 0xffffffff;
|
||||
|
||||
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
|
||||
/* reftag is the only error we can inject here */
|
||||
lpfc_bg_err_inject(phba, sc, &reftag, 0, 0);
|
||||
#endif
|
||||
|
||||
/* setup PDE5 with what we have */
|
||||
pde5 = (struct lpfc_pde5 *) bpl;
|
||||
memset(pde5, 0, sizeof(struct lpfc_pde5));
|
||||
|
|
@ -1532,6 +1700,11 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
|
|||
blksize = lpfc_cmd_blksize(sc);
|
||||
reftag = scsi_get_lba(sc) & 0xffffffff;
|
||||
|
||||
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
|
||||
/* reftag / guard tag are the only errors we can inject here */
|
||||
lpfc_bg_err_inject(phba, sc, &reftag, 0, 0xDEAD);
|
||||
#endif
|
||||
|
||||
split_offset = 0;
|
||||
do {
|
||||
/* setup PDE5 with what we have */
|
||||
|
|
@ -1671,7 +1844,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
|
|||
}
|
||||
|
||||
} while (!alldone);
|
||||
|
||||
out:
|
||||
|
||||
return num_bde;
|
||||
|
|
@ -2075,6 +2247,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
|
|||
else
|
||||
bf_set(lpfc_sli4_sge_last, sgl, 0);
|
||||
bf_set(lpfc_sli4_sge_offset, sgl, dma_offset);
|
||||
bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA);
|
||||
sgl->word2 = cpu_to_le32(sgl->word2);
|
||||
sgl->sge_len = cpu_to_le32(dma_len);
|
||||
dma_offset += dma_len;
|
||||
|
|
|
|||
|
|
@ -7538,6 +7538,8 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
|
|||
if (inbound == 1)
|
||||
offset = 0;
|
||||
bf_set(lpfc_sli4_sge_offset, sgl, offset);
|
||||
bf_set(lpfc_sli4_sge_type, sgl,
|
||||
LPFC_SGE_TYPE_DATA);
|
||||
offset += bde.tus.f.bdeSize;
|
||||
}
|
||||
sgl->word2 = cpu_to_le32(sgl->word2);
|
||||
|
|
|
|||
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