48 static struct hmcdrv_cache_entry hmcdrv_cache_file = {  variable
67 	if ((ftp->id != hmcdrv_cache_file.id) ||  in hmcdrv_cache_get()
68 	    strcmp(hmcdrv_cache_file.fname, ftp->fname))  in hmcdrv_cache_get()
71 	if (ftp->ofs >= hmcdrv_cache_file.fsize) /* EOF ? */  in hmcdrv_cache_get()
74 	if ((hmcdrv_cache_file.ofs < 0) || /* has content? */  in hmcdrv_cache_get()
75 	    time_after(jiffies, hmcdrv_cache_file.timeout))  in hmcdrv_cache_get()
81 	len = hmcdrv_cache_file.fsize - ftp->ofs;  in hmcdrv_cache_get()
89 	pos = ftp->ofs - hmcdrv_cache_file.ofs;  in hmcdrv_cache_get()
92 	    ((pos + len) <= hmcdrv_cache_file.len)) {  in hmcdrv_cache_get()
95 		       hmcdrv_cache_file.content + pos,  in hmcdrv_cache_get()
98 			 hmcdrv_cache_file.fname, len,  in hmcdrv_cache_get()
99 			 hmcdrv_cache_file.fsize);  in hmcdrv_cache_get()
124 	if ((ftp->len > 0) && (hmcdrv_cache_file.len >= ftp->len)) {  in hmcdrv_cache_do()
131 		cftp.buf = hmcdrv_cache_file.content;  /* and update */  in hmcdrv_cache_do()
132 		cftp.len = hmcdrv_cache_file.len;      /* buffer data */  in hmcdrv_cache_do()
134 		len = func(&cftp, &hmcdrv_cache_file.fsize); /* now do */  in hmcdrv_cache_do()
143 			hmcdrv_cache_file.ofs = ftp->ofs;  in hmcdrv_cache_do()
144 			hmcdrv_cache_file.timeout = jiffies +  in hmcdrv_cache_do()
146 			memcpy(ftp->buf, hmcdrv_cache_file.content, len);  in hmcdrv_cache_do()
149 		len = func(ftp, &hmcdrv_cache_file.fsize);  in hmcdrv_cache_do()
150 		hmcdrv_cache_file.ofs = -1; /* invalidate content */  in hmcdrv_cache_do()
157 		strscpy(hmcdrv_cache_file.fname, ftp->fname,  in hmcdrv_cache_do()
159 		hmcdrv_cache_file.id = ftp->id;  in hmcdrv_cache_do()
161 			 ftp->id, hmcdrv_cache_file.fsize, ftp->fname);  in hmcdrv_cache_do()
203 	hmcdrv_cache_file.id = HMCDRV_FTP_NOOP;  in hmcdrv_cache_cmd()
204 	hmcdrv_cache_file.fsize = LLONG_MAX;  in hmcdrv_cache_cmd()
205 	hmcdrv_cache_file.ofs = -1;  in hmcdrv_cache_cmd()
220 		hmcdrv_cache_file.content =  in hmcdrv_cache_startup()
224 		if (!hmcdrv_cache_file.content) {  in hmcdrv_cache_startup()
234 	hmcdrv_cache_file.len = cachesize;  in hmcdrv_cache_startup()
243 	if (hmcdrv_cache_file.content) {  in hmcdrv_cache_shutdown()
244 		free_pages((unsigned long) hmcdrv_cache_file.content,  in hmcdrv_cache_shutdown()
246 		hmcdrv_cache_file.content = NULL;  in hmcdrv_cache_shutdown()
249 	hmcdrv_cache_file.id = HMCDRV_FTP_NOOP;  in hmcdrv_cache_shutdown()
250 	hmcdrv_cache_file.fsize = LLONG_MAX;  in hmcdrv_cache_shutdown()
251 	hmcdrv_cache_file.ofs = -1;  in hmcdrv_cache_shutdown()
252 	hmcdrv_cache_file.len = 0; /* no cache */  in hmcdrv_cache_shutdown()