47 static struct hmcdrv_cache_entry hmcdrv_cache_file = {  variable
66 	if ((ftp->id != hmcdrv_cache_file.id) ||  in hmcdrv_cache_get()
67 	    strcmp(hmcdrv_cache_file.fname, ftp->fname))  in hmcdrv_cache_get()
70 	if (ftp->ofs >= hmcdrv_cache_file.fsize) /* EOF ? */  in hmcdrv_cache_get()
73 	if ((hmcdrv_cache_file.ofs < 0) || /* has content? */  in hmcdrv_cache_get()
74 	    time_after(jiffies, hmcdrv_cache_file.timeout))  in hmcdrv_cache_get()
80 	len = hmcdrv_cache_file.fsize - ftp->ofs;  in hmcdrv_cache_get()
88 	pos = ftp->ofs - hmcdrv_cache_file.ofs;  in hmcdrv_cache_get()
91 	    ((pos + len) <= hmcdrv_cache_file.len)) {  in hmcdrv_cache_get()
94 		       hmcdrv_cache_file.content + pos,  in hmcdrv_cache_get()
97 			 hmcdrv_cache_file.fname, len,  in hmcdrv_cache_get()
98 			 hmcdrv_cache_file.fsize);  in hmcdrv_cache_get()
123 	if ((ftp->len > 0) && (hmcdrv_cache_file.len >= ftp->len)) {  in hmcdrv_cache_do()
130 		cftp.buf = hmcdrv_cache_file.content;  /* and update */  in hmcdrv_cache_do()
131 		cftp.len = hmcdrv_cache_file.len;      /* buffer data */  in hmcdrv_cache_do()
133 		len = func(&cftp, &hmcdrv_cache_file.fsize); /* now do */  in hmcdrv_cache_do()
142 			hmcdrv_cache_file.ofs = ftp->ofs;  in hmcdrv_cache_do()
143 			hmcdrv_cache_file.timeout = jiffies +  in hmcdrv_cache_do()
145 			memcpy(ftp->buf, hmcdrv_cache_file.content, len);  in hmcdrv_cache_do()
148 		len = func(ftp, &hmcdrv_cache_file.fsize);  in hmcdrv_cache_do()
149 		hmcdrv_cache_file.ofs = -1; /* invalidate content */  in hmcdrv_cache_do()
156 		strlcpy(hmcdrv_cache_file.fname, ftp->fname,  in hmcdrv_cache_do()
158 		hmcdrv_cache_file.id = ftp->id;  in hmcdrv_cache_do()
160 			 ftp->id, hmcdrv_cache_file.fsize, ftp->fname);  in hmcdrv_cache_do()
202 	hmcdrv_cache_file.id = HMCDRV_FTP_NOOP;  in hmcdrv_cache_cmd()
203 	hmcdrv_cache_file.fsize = LLONG_MAX;  in hmcdrv_cache_cmd()
204 	hmcdrv_cache_file.ofs = -1;  in hmcdrv_cache_cmd()
219 		hmcdrv_cache_file.content =  in hmcdrv_cache_startup()
223 		if (!hmcdrv_cache_file.content) {  in hmcdrv_cache_startup()
233 	hmcdrv_cache_file.len = cachesize;  in hmcdrv_cache_startup()
242 	if (hmcdrv_cache_file.content) {  in hmcdrv_cache_shutdown()
243 		free_pages((unsigned long) hmcdrv_cache_file.content,  in hmcdrv_cache_shutdown()
245 		hmcdrv_cache_file.content = NULL;  in hmcdrv_cache_shutdown()
248 	hmcdrv_cache_file.id = HMCDRV_FTP_NOOP;  in hmcdrv_cache_shutdown()
249 	hmcdrv_cache_file.fsize = LLONG_MAX;  in hmcdrv_cache_shutdown()
250 	hmcdrv_cache_file.ofs = -1;  in hmcdrv_cache_shutdown()
251 	hmcdrv_cache_file.len = 0; /* no cache */  in hmcdrv_cache_shutdown()